JP2014105425A - Reinforcing wall construction method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a reinforcing wall construction method capable of constructing a reinforcing wall which can sufficiently resist lateral pressure of concrete and is compatible with structural design calculation.SOLUTION: A reinforcing wall construction method comprises: a positioning step to determine mounting positions on a bottom surface 26 of a slab and a floor surface 27; a vertical member first installation step to install first vertical members 17 on the mounting positions at predetermined intervals in a horizontal direction; a panel installation step to install panels 16a to 16c at positions posterior to the vertical members 17 in a longitudinal direction thereof in a manner that keeps the panels 16a to 16c in contact with the vertical members 17; a vertical member second installation step to install second vertical members 17 on installation positions parallel to the first vertical members 17 in the horizontal direction; a horizontal member installation step to fix horizontal members 18 at the positions anterior to the vertical members 17 in the longitudinal direction thereof at the predetermined intervals in the vertical direction; a concrete placing step to place concrete in a space between a wall surface and the panels 16a to 16c; and a formwork removal step to remove a formwork 10A after curing the concrete.

Description

  The present invention relates to a reinforcing wall construction method in which a new reinforcing wall is constructed by placing concrete in a space between a wall surface and a mold frame, using a mold frame assembled outside a wall surface of a building.

  When building a seismic reinforcement wall on the wall of an existing building, after assembling the formwork outside the wall, multiple rebars (embedded anchors, vertical bars, After placing the concrete in the space and curing the concrete for a certain period of time, the assembled formwork is removed (disassembled) to create a seismic reinforcement wall made of newly reinforced concrete. The formwork carpenter in charge of the formwork works with the wall of the building so that the formwork can withstand the lateral pressure of the concrete to be placed and the parallel state of the plywood of the formwork against the wall surface can be maintained. A plurality of separators are installed between the plywood and the veneer plate of the formwork, and the wall and the plywood plate are connected by the separators. By connecting the wall and the plywood of the formwork using these separators, deformation of the plywood due to the side pressure of the concrete can be prevented, and the parallel state of the wall of the building and the plywood can be maintained. Forms using a plurality of separators are disclosed in Patent Document 1 and Patent Document 2.

JP 2000-8522 A JP-A-2005-290711

  An example of the procedure for installing the separator is as follows. A plurality of anchor holes are drilled in the wall of the building, and a plurality of through holes are drilled in the veneer plate of the mold corresponding to the position of the anchor hole. Next, resin anchors and mechanical anchors are installed in the anchor holes, and one clamp metal fitting of the separator is connected to the resin anchors or mechanical anchors, and the other clamp metal fitting exposed from the through hole of the plywood plate is cylindrical. Screw the clamp with the tube engaged. When assembling the formwork, not only do you have to install a considerable number of separators per unit area of the wall, taking into account the position of the reinforcing bars so that they do not collide with the reinforcing bars, but also anchor holes in the building walls When a hole is drilled, it is necessary to avoid the reinforcing bars embedded in the wall. Further, after determining the drilling position for drilling the anchor hole, a plurality of positions corresponding to the anchor hole at any position of the plywood plate corresponding to the drilling position The through hole must be drilled. Accurate positioning (marking out) the drilling position of the anchor hole with respect to the wall and the through hole with respect to the plywood, and ensuring that the parallel state of the wall and the plywood is maintained does not rely on many years of experience in formwork It is the present condition that we do not get. In addition, when the carpenter assembles the formwork by constructing the formwork, and when placing the concrete in the space between the assembled formwork and the wall surface to create the seismic reinforcement wall, until the formwork is assembled as designed Therefore, it is difficult to efficiently construct a seismic reinforcement wall in a short construction period.

  An object of the present invention is to provide a reinforcing wall construction method capable of efficiently creating a reinforcing wall in a short construction period without depending on the experience of a mold carpenter. Another object of the present invention is to provide a reinforcing wall construction method that can sufficiently withstand the lateral pressure of the concrete to be placed and can create a new reinforcing wall as designed on the outside of the existing wall according to the structural calculation. It is to provide.

  The premise of the present invention to solve the above-mentioned problems is to use a formwork assembled outside the wall surface of the building, and make a new reinforcing wall by placing concrete in the space between the wall face and the formwork. Reinforcement wall construction method.

  The feature of the present invention based on the above premise is that the reinforcing wall construction method positions the first attachment location on the bottom surface of the slab or the beam bottom surface of the building that is separated from the wall surface in the front-rear direction by a predetermined dimension, and is predetermined from the wall surface in the front-rear direction. A positioning step of positioning the second attachment location on the floor surface of the building that is spaced apart from each other, and a plurality of first vertical installation members extending in the vertical direction are spaced apart from each other by a predetermined size in the lateral direction. A vertical installation material first installation step to be installed in between, and a plurality of formwork panels of a predetermined area in the up-down direction with the first vertical installation material being in front of and behind the first vertical installation material and in contact with the first vertical installation material Between the first and second mounting locations in a state in which a plurality of second vertical members extending in the vertical direction are juxtaposed in the horizontal direction of the first vertical members. Vertical installation material second setting to install The frame is assembled by the horizontal installation material fixing step of fixing the first and second vertical installation materials in the front-rear direction of the first and second vertical installation materials in a state where the plurality of horizontal installation materials extending in the vertical direction are spaced apart by a predetermined dimension. In addition, a new reinforcing wall is formed by a concrete placing process for placing concrete in the space between the wall surface and the formwork panel, and a formwork removing process for removing the formwork after curing the concrete placed in the space. There is to make.

  As an example of the present invention, in the reinforcing wall construction method, after the positioning step, the first horizontal member is installed at the first mounting location on the bottom surface of the slab or the bottom surface of the beam, and the second horizontal mounting location is provided on the second mounting location on the floor surface. Including a horizontal material installation process for installing a frame material. In the first vertical installation material process and the second vertical material installation process, the upper ends of the first and second vertical installation materials are connected to the first horizontal member by a predetermined fixing means. While fixing to a frame material, the lower end part of the 1st and 2nd vertical installation material is fixed to a 2nd horizontal material by a predetermined fixing means.

  As another example of the present invention, in the panel installation step, the panels are arranged in order in the vertical direction and the horizontal direction while connecting the formwork panels and the first vertical installation members via the connection members.

  As another example of the present invention, in the vertical installation material second installation step, after the second vertical installation material is installed between the first and second mounting locations, the formwork panels and the second vertical installation material are combined. It connects via a connection member.

  As another example of the present invention, in the reinforcing wall construction method, the deformation of the panels due to the side pressure of the concrete when the concrete is placed in the space between the wall surface and the formwork panels is the first and second vertical installation. It is prevented by the material, and deformation and bending of the first and second longitudinal members due to the side pressure of the concrete are prevented by the horizontal members.

  As another example of the present invention, in the first vertical installation material installation step, one first vertical installation material is installed between both side edges of a pair of the formwork panels arranged in the vertical direction, and the vertical installation material first In the two installation steps, at least two second vertical installation members are installed between both side edges of the pair of formwork panels arranged in the vertical direction.

  As another example of the present invention, in the horizontal installation material installation process, the horizontal installation materials are arranged in the first and second directions so that at least one horizontal installation material is positioned in front of each of the formwork panels arranged in the vertical direction. Secure to the vertical construction material.

  As another example of the reinforcing wall construction method of the present invention, the first and second vertically installed members are truss structures, and the truss structure extends in a straight line in the vertical direction in contact with the formwork panel. A vertical member, a second vertical member extending in a vertical direction and spaced apart from the first vertical member by a predetermined distance in the front-rear direction, and positioned between the first vertical member and the second vertical member in the vertical direction It is made of truss members extending in a zigzag manner, and these horizontal members are fixed to the second vertical member.

  As another example of the reinforcing wall construction method of the present invention, the truss structure includes a dimension adjusting material whose height can be adjusted, and the dimension adjusting material is positioned on the side of the building and fixed to the building. A fixed end portion, and an opening portion which is located on the first vertical member side and is capable of adjusting a fixed position in the vertical direction with respect to the first vertical member, and the first vertical member is a dimension adjusting member through the opening portion. It is detachably connected to.

  As another example of the reinforcing wall construction method of the present invention, a predetermined area where the form panels face the wall surface, an abutting surface of the predetermined area abutting against the first vertical member of the truss structure, upper and lower surfaces, A hexahedron having both sides is coated with a synthetic resin that reduces the frictional resistance of the panel to the concrete and increases the strength of the entire panel.

  As another example of the reinforcing wall construction method of the present invention, the synthetic resin is a polyurea resin composed of isocyanate and a special amine, and a smooth coating layer having a predetermined thickness is formed on the six surfaces of the panels by the cured polyurea resin. ing.

  As another example of the reinforcing wall construction method of the present invention, at least one of the formwork panels is provided with a supply port for placing concrete in a space between the wall surface and the panel. For example, when placing concrete in a space, a confirmation window is formed so that the concrete placement state in the space can be confirmed.

  As another example of the reinforcing wall construction method of the present invention, the building is an existing one, and the formwork is used to construct a reinforced concrete seismic reinforcing wall made on the wall surface of the existing building.

  According to the reinforcing wall construction method according to the present invention, the plurality of first and second vertical installation members and the plurality of horizontal installation members are used to be placed in the space between the wall surface and the formwork panel. Even if concrete side pressure acts on the formwork, deformation and collapse of the panels are prevented, the formwork can withstand the concrete side pressure sufficiently, and the parallel state of the wall and panel of the building is maintained. In addition, it is possible to reliably add concrete to the wall surface, and to create a new reinforcing wall as designed by the structural calculation outside the existing wall. The reinforcement wall construction method does not need to install multiple separators when assembling the formwork, it can save labor and time for installing separators, it is not necessary to rely on the experience of formwork carpenters, The reinforcing wall can be efficiently made in a short time, and the reinforcing wall can be made inexpensively without requiring time and effort.

  After the positioning step, the first horizontal member is installed at the first mounting location on the bottom surface of the slab or the beam, and the second horizontal material is installed at the second mounting location on the floor surface, In the vertical installation material first installation step and the vertical installation material second installation step, the upper ends of the first and second vertical installation materials are fixed to the first horizontal material, and the lower ends of the first and second vertical installation materials In the reinforcing wall construction method for fixing the frame to the second horizontal member, the first and second vertical members are firmly fixed to the slab bottom surface, the beam bottom surface or the floor surface via the first and second horizontal members. Even if the side pressure of the concrete placed in the space between the wall surface and the formwork panel acts on the formwork, the first and second vertical members prevent deformation and collapse of the panel, and the concrete side pressure The formwork can withstand the wall of the building and the panel. It is possible to maintain the parallel state with, it is possible to hit increased reliably concrete wall, it is possible to make a new reinforcing wall as designed, which are structural calculation outside the existing wall.

  In the panel installation step, the reinforcing wall construction method for arranging the panels in the vertical direction and the horizontal direction in order while connecting the formwork panels and the first vertical members through the connecting members is performed by the connecting members. By connecting the first vertical installation material, the panels are supported by the first vertical installation material, so that the panels can be prevented from falling down, and a plurality of panels can be arranged in the vertical and horizontal directions. it can.

  In the vertical installation material second installation step, after the second vertical installation material is installed between the first and second attachment locations, the formwork panels and the second vertical installation material are connected via a connecting member. In the wall construction method, the panels are supported by the first and second vertical members by connecting the panels and the second vertical members by connecting members, so that the panels during the placement of the concrete into the space It is possible to prevent the wall from collapsing toward the wall surface, and to reliably place concrete into the space, and to add concrete to the wall surface of the building.

  When the concrete is placed in the space between the wall surface and the formwork panels, the deformation of the panels due to the side pressure of the concrete is prevented by the first and second longitudinal members, and the first and second of the concrete due to the side pressure of the concrete are prevented. (2) The reinforcing wall construction method in which deformation and bending of the vertically erected material are prevented by these horizontally erected materials, the plurality of first and second vertically erected materials fixed in front of the formwork panel are provided between the wall surface and the panel. Since the bulging forward of the panel in the front-rear direction due to the side pressure of the concrete when the concrete is placed in the space can be suppressed, deformation and collapse of the panel when the concrete is placed in the space can be prevented. In addition, since the plurality of horizontal installation members fixed in front of the first and second vertical installation members and extending in the horizontal direction suppress the bulges of the vertical installation members in the front-rear direction, the space between the wall surface and the panel It is possible to prevent the longitudinal construction material from being deformed forward in the front-rear direction and bent in the lateral direction due to the side pressure of the concrete when the concrete is placed. The reinforcement wall construction method uses the first and second vertical and horizontal construction materials, so that the formwork can sufficiently withstand the side pressure of the concrete, and the concrete is reliably added to the wall surface. It is possible to create a new reinforcing wall outside the existing wall as designed by the structural calculation.

  In the first vertical installation material installation process, one first vertical installation material is installed between both side edges of the pair of formwork panels arranged in the vertical direction, and in the vertical installation material second installation process, the vertical installation material The reinforcing wall construction method in which at least two second vertical members are installed between the side edges of a set of these formwork panels is a set of these formwork in which at least three vertical members are arranged in the vertical direction. Since it is installed between the edges of the panel, even if the concrete side pressure placed in the space between the wall and the panel acts on these panels, the panel bulges forward in the longitudinal direction of the panel due to the concrete side pressure. Are sufficiently pressed down by these vertically installed materials, and the deformation and collapse of the panel when concrete is placed in the space can be reliably prevented. Reinforcement wall construction methods can use these vertical installation materials, so that the formwork can sufficiently withstand the side pressure of the concrete, and the concrete can be added to the wall without fail. It is possible to make a new reinforcing wall according to the calculated design.

  In the horizontal installation material installation step, a reinforcing wall for fixing the horizontal installation material to the first and second vertical installation materials so that at least one horizontal installation material is positioned in front of each of the formwork panels arranged in the vertical direction In the construction method, even if the lateral pressure of the concrete placed in the space acts on the panels and the vertical installation material, the vertical installation material is deformed forward in the front-rear direction or bent in the horizontal direction. Since one horizontal construction material is arranged, the bulges of the vertical construction materials in the front-rear direction due to the lateral pressure of the concrete are suppressed by the vertical construction materials, and before and after the vertical construction materials when placing concrete in the space It is possible to reliably prevent forward deformation and lateral deflection. Reinforcement wall construction methods can use these horizontal members to ensure that the formwork can sufficiently withstand the lateral pressure of the concrete, and can reliably add concrete to the wall surface. It is possible to make a new reinforcing wall according to the calculated design.

  The first and second vertically mounted members are truss structures, and the truss structure is positioned between the first and second vertical members extending in a straight line in the vertical direction and zigzags in the vertical direction. Reinforced wall construction method in which the horizontal laying material is fixed to the second vertical member is made from the material and the front and back of the panel due to the concrete side pressure when the concrete is placed in the space between the wall surface and the formwork panel Since the truss structure that abuts against the panel holds the bulge forward in the direction, it is possible to reliably prevent deformation and collapse of the panel due to the side pressure of the concrete. In addition, since these horizontal members are fixed to the second vertical member of the truss structure, and these horizontal members suppress the bulging forward of the truss structure in the front-rear direction, the front of the truss structure in the front-rear direction due to the side pressure of the concrete And deformation in the lateral direction can be prevented. The reinforced wall construction method can sufficiently withstand the lateral pressure of concrete placed in the space between the wall surface and the panel by using a plurality of truss structures and a plurality of horizontal members. Therefore, it is possible to reliably add concrete to the wall surface of the building and to create a new reinforcing wall as designed on the outside of the existing wall.

  The truss structure includes a dimension adjuster capable of adjusting its height dimension, the dimension adjuster positioned on the side of the building and fixed on the building and positioned on the side of the first vertical member. The reinforcing wall construction method has an opening that can adjust a fixed position in the vertical direction with respect to the first vertical member, and the first vertical member is detachably connected to the dimension adjusting member through the opening. Can adjust the vertical dimension of the truss structure, so that the vertical dimension of the truss structure can be matched with the height of the wall of the building, and the truss structure can be securely attached to the building. By using these truss structures that can be fixed and whose height is adjusted by a dimensional adjusting material, it is possible to prevent deformation and collapse of the panel due to the side pressure of the concrete, and it is structured outside the existing wall. New as calculated It is possible to make the Do reinforcing wall.

  These form panels are hexahedrons having opposing surfaces, contact surfaces, upper and lower surfaces, and both side surfaces, and synthetic resins that reduce the friction resistance of the panels against concrete and increase the overall strength of the panels are the six surfaces of the panels. The reinforcement wall construction method applied to the surface of the formwork panel can be smoothed by applying synthetic resin, thereby reducing the frictional resistance against the concrete of the six surfaces. After curing the concrete, the panel can be easily removed from the hardened concrete when removing the formwork. In the reinforcing wall construction method, since the smoothness of the six surfaces of the formwork panel is maintained by the synthetic resin, the used panel can be used repeatedly, and the cost for the construction of the reinforcing wall can be suppressed. The reinforcement wall construction method increases the strength of the formwork panel by the synthetic resin and prevents deformation such as buckling, breakage and bending of the panel during use. The concrete can be sufficiently retained in the space, and the concrete can be reliably added to the wall surface of the building.

  The reinforcing wall construction method in which the synthetic resin is a polyurea resin composed of isocyanate and a special amine, and a smooth coating layer having a predetermined thickness is formed on the six surfaces of the cured polyurea resin by using the cured polyurea resin. A smooth coating layer having a predetermined thickness is formed on the six surfaces of the steel sheet, thereby reducing the frictional resistance against the concrete on the six surfaces. After curing the placed concrete, when removing the formwork, The panel can be easily removed. Since the smoothness of the six faces of the formwork panel is maintained by the polyurea resin coating layer, the reinforcing wall construction method can be used repeatedly, reducing the cost of construction of the reinforcing wall. Can do. The reinforcement wall construction method increases the strength of the formwork panel due to the polyurea resin coating layer and prevents deformation of the panel during use, such as buckling, breakage, bending, and so on. The concrete can be sufficiently retained in the space between and the concrete, and the concrete can be surely added to the wall surface of the building.

  A supply port for placing concrete in the space between the wall and the panel is created in at least one of these formwork panels, and when placing concrete in the space, the concrete placement state in the space can be confirmed Reinforcement wall construction method in which a simple confirmation window is made in at least one of these formwork panels, concrete can be easily placed in the space by using a supply port made in the panel. It is possible to easily add concrete to the wall of an object. Reinforcement wall construction method can confirm the concrete placement condition in the space from the panel confirmation window, so that concrete can be reliably placed in the entire space, and the concrete is surely placed on the wall of the building. You can beat it.

  Reinforcement wall construction method used to construct seismic reinforcement walls made of reinforced concrete where the building is that of an existing building and the formwork is made on the wall of the existing building. New seismic reinforcement walls made of reinforced concrete can be newly installed as designed. The reinforcing wall construction method can efficiently make a reinforced concrete seismic reinforcing wall in a short time, and can make the seismic reinforcing wall inexpensively without requiring labor.

The perspective view which shows an example of the earthquake-proof reinforcement wall made in the wall surface. The front view which shows an example of the assembled formwork. FIG. 3 is a side view of the assembled formwork of FIG. 2. The perspective view of the formwork panels 16a-16c shown as an example. FIG. 5 is an end view taken along line 5-5 of FIG. The figure which shows an example of the construction procedure of an earthquake-proof reinforcement wall. The side view of FIG. The figure which shows the construction procedure of the earthquake-proof reinforcement wall which continues from FIG. The side view of FIG. The figure which shows the construction procedure of the earthquake-proof reinforcement wall which continues from FIG. The side view of FIG. The figure which shows the construction procedure of the earthquake-proof reinforcement wall which continues from FIG. The figure which shows the construction procedure of the earthquake-proof reinforcement wall which continues from FIG. The side view of FIG. The side view similar to FIG. 14 which shows the placement state of concrete. The front view which shows another example of the assembled formwork. FIG. 17 is a side view of the assembled formwork of FIG. 16. The figure which shows another example of the construction procedure of an earthquake-proof reinforcement wall. The figure which shows the construction procedure of the earthquake-proof reinforcement wall which continues from FIG. The side view which shows the placement state of concrete.

  The details of the reinforcing wall construction method according to the present invention will be described with reference to the attached drawings such as FIG. 1 which is a perspective view showing an example of the seismic reinforcing wall W2 formed on the wall surface 12 between the columns 15 of the building 11. It is as follows. 2 is a front view showing an example of an assembled mold 10A used for the construction of the seismic reinforcement wall W2, and FIG. 3 is a side view of the assembled mold 10A of FIG. 4 is a perspective view of form panels 16a to 16c shown as an example, and FIG. 5 is an end view taken along line 5-5 of FIG. 2 and 3, the vertical direction is indicated by an arrow A, the horizontal arrow B (only FIG. 2), and the front-rear direction is indicated by an arrow C (only FIG. 3). 1 and 3, illustration of reinforcing bars embedded in the concrete 13 is omitted.

  The reinforcing wall construction method is assembling a formwork 10A at a position separated by a predetermined dimension forward and backward in the front-rear direction of the wall surface 12 of an existing building 11 (building), and adding concrete 13 to the outside of the wall surface 12 to make a new reinforced concrete. The seismic reinforcement wall W2 is made. In the reinforcing wall construction method, a plurality of reinforcing bars (not shown) are arranged at the location where the seismic reinforcing wall W2 is formed, and the formwork 10A is assembled, and the wall surface 12 and the formwork 10A (formwork panels 16a to 16c) are arranged. Concrete 13 is placed in the space 14 between them. After the cast concrete 13 is cured for a predetermined period, the assembled formwork 10A is removed (disassembled), whereby a reinforced concrete seismic reinforcement wall W2 is made.

  1 and 2 illustrate the case where the seismic reinforcing wall W2 is constructed on the wall surface 12 of the existing wall W1 provided between the pillars 15 of the building 11, but not only between the pillars 15 but also the mold. By using the frame 10A (including the later-described formwork 10B), the seismic reinforcing wall W2 can be formed on the wall surface 12 of any existing wall W1 such as a wall between wall beams and a wall between floor slabs. The existing wall W1 includes all walls such as an outer wall, a load-bearing wall, a partition wall, a hanging wall, a sleeve wall, and a waist wall. The formwork 10A is made up of a plurality of formwork panels 16a to 16c, a plurality of truss structures 17 (first and second vertical installation members), and a plurality of horizontal installation members 18a to 18c. .

  The form panels 16a to 16c are formed in a plate shape having a square shape with a predetermined thickness. The formwork panels 16a to 16c have a predetermined area facing the wall surface 12 and a predetermined area abutting on the truss structure 17 (first vertical member 31) located on the opposite side of the facing surface 19. It is a hexahedron having a surface 20, upper and lower surfaces 21 and 22, and both side surfaces 23 and 24. There are no particular limitations on the vertical dimensions, horizontal dimensions, and thickness dimensions of the formwork panels 16a to 16c, and the panel is calculated by structural calculation considering the horizontal dimensions and thickness dimensions of the seismic reinforcing wall W2 to be constructed. Each dimension of 16a-16c is determined. It is also possible to prepare various panels 16a to 16c having different dimensions and use them in an appropriate combination when assembling the mold 10A.

  These form panels 16a-16c are made from polystyrene foam, rigid urethane foam, foamed polyethylene, phenol foam, or the like. As shown in FIGS. 3 and 4, polyurea resin 25 (synthetic resin) made of isocyanate and special amine is applied (spray coating) on the six surfaces 19 to 24 of these mold panels 16 a to 16 c. A smooth coating layer having a predetermined thickness is formed of the cured polyurea resin 25 on the six surfaces 19 to 24 of the mold panels 16a to 16c. The irregularities on the six surfaces 19 to 24 are corrected by the polyurea resin 25 applied to the six surfaces 19 to 24 of the mold panels 16a to 16c, and the six surfaces 19 to 24 are processed smoothly.

  The form panels 16a to 16c have a coating layer formed by the cured polyurea resin 25, so that the frictional resistance on the six surfaces 19 to 24 is greatly reduced, and the concrete 13 after curing adheres to the six surfaces 19 to 24. Therefore, it is easy to release from the concrete 13. Furthermore, if the coating layer formed by the cured polyurea resin 25 significantly increases the strength of the panels 16a to 16c and prevents the buckling and breakage when the panels 16a to 16c are stacked in the vertical direction only. Therefore, the bending deformation of the panels 16a to 16c is prevented.

  The formwork panels 16a to 16c may be made of reinforced plastic, a transparent synthetic resin plate, or wood. Even in this case, it is preferable that the polyurea resin 25 is applied to the six surfaces 19 to 24. In addition, the mold panels 16a to 16c may be made of other thermoplastic synthetic resins (polyurethane, polystyrene, paint for reinforced plastics, etc.) as long as it is possible to smooth the six surfaces 19 to 24 instead of the polyurea resin 25. Alternatively, a thermosetting synthetic resin can be applied.

  The formwork panels 16a to 16c have a slab bottom surface 26 or a beam installation bottom surface 26 positioned a predetermined distance away from the wall surface 12 in the front-rear direction and a floor surface 27 spaced a predetermined distance forward from the wall surface 12 in the front-rear direction. It is installed between the positioned second installation locations. Between the first installation location and the second installation location, the panel 16a positioned at the top from the first installation location toward the second installation location → the panel 16b positioned at the middle portion → the panel 16c positioned at the bottom The panels 16a to 16c are arranged in the vertical direction in this order. Further, three sets of the panels 16a to 16c are arranged in the horizontal direction. The number of panels 16a to 16c arranged in the vertical direction and the number of groups of panels 16a to 16c arranged in the horizontal direction are not particularly limited, and the number and the number of groups are appropriately determined according to each dimension of the seismic reinforcement wall W2 to be constructed.

  The form panel 16a has an upper surface 21 in contact with the slab bottom surface 26 or the beam bottom surface 26, a side surface 23 in contact with the column 15, and a side surface 24 in contact with the side surface 23 of the panel 16a adjacent in the lateral direction. Is in contact with the upper surface 21 of the panel 16b. As for the formwork panel 16a, the thickness dimension of the upper end part 44 is smaller than that of the remaining part. The formwork panel 16b has a side surface 23 in contact with the pillar 15, a side surface 24 in contact with the side surface 23 of the panel 16b adjacent in the lateral direction, and a lower surface 22 in contact with the upper surface 21 of the panel 16c. The formwork panel 16c has a side surface 23 in contact with the pillar 15, a side surface 24 in contact with the side surface 23 of the panel 16c adjacent in the lateral direction, and a lower surface 22 in contact with the floor surface 27. As for the formwork panel 16c, the thickness dimension of the lower end part 45 is smaller than that of the remaining part.

  Two handles 28 that protrude forward in the front-rear direction and are arranged in the lateral direction are attached to the contact surfaces 20 of the mold panels 16a to 16c. These handles 28 are U-shaped metal bars, and both ends of the handles 28 pass through the panels 16a to 16c and are fixed to a fixing plate 46 disposed on the opposing surfaces of the panels 16a to 16c. These handles 28 can be gripped by an operator who installs the mold 10A. A connection string 42 (connection member) is connected to the handle 28. In addition to the string 42, a connecting rubber band having elasticity can also be used as the connecting member.

  The formwork panel 16a is provided with a placement port 29 for placing (inflowing) the concrete 13 into the space 14 between the wall surface 12 and the panels 16a to 16c (formwork 10A). In the placement port 29, the panel 16a is cut out in a square shape, and a square iron plate having a metal mouth tube is fixed thereto. In addition, the placement port 29 may be made in two or more panels 16a to 16c. In the formwork panels 16a and 16c, when the concrete 13 is placed in the space 14, a rectangular confirmation window 30 is formed so that the placement state of the concrete 13 in the space 14 can be confirmed. In the confirmation window 30, the panels 16a and 16c are cut out into a quadrangle, and a transparent square synthetic resin plate is fitted therein.

  The truss structure 17 (first and second vertically installed members) is located in front of the mold panels 16a to 16c in the front-rear direction and extends straight in the up-down direction. The truss structures 17 are lined up with a predetermined distance in the lateral direction. Three truss structures 17 are installed in a set of formwork panels 16a to 16c arranged in the vertical direction. One truss structure 17 is arranged on one side edge of one set of formwork panels 16a to 16c, and one truss structure 17 is the other side edge of one set of formwork panels 16a to 16c. In addition, one truss structure 17 is disposed in the center in the lateral direction of one set of formwork panels 16a to 16c.

  In addition, there is no limitation in particular about the number of truss structures 17 with respect to 1 set of panels 16a-16c, and 1 set of panels 16a- is calculated by the structure calculation in consideration of the horizontal dimension, thickness dimension, etc. of the earthquake-proof reinforcement wall W2 to construct | assemble. The number of truss structures 17 to be installed for 16c is determined. In addition to the truss structure 17, as a vertically installed material, a metal column having a square cross section made of metal such as iron, aluminum, brass, or alloy or a metal column having another shape can be used. Steel materials such as H-shaped steel, square steel pipe (column), I-shaped steel, C-shaped steel, and grooved steel can also be used.

  The truss structure 17 is opposed to the first facing surface 20 of the formwork panels 16a to 16c, and is separated from the first vertical member 31 by a predetermined dimension forward in the front-rear direction. A second vertical member 32 extending straight in the up-down direction, a truss member 33 positioned between the first vertical member 31 and the second vertical member 32 and extending zigzag in the up-down direction, and a height of the truss structure 17 It is made from the dimension adjusting material 34 which can adjust a height dimension. In the truss structure 17, the first vertical member 31 and the truss member 33 are connected by bolts and nuts, and the second vertical member 32 and the truss member 33 are connected by bolts and nuts.

  The dimension adjusting member 34 is positioned on the side of the first vertical member 31 in the vertical direction with respect to the first vertical member 31 and the fixed end 35 fixed to the slab bottom surface 26 or the beam bottom surface 26 via an angle 37a described later. And an opening 36 that is adjustable in fixing position. The fixing position of the upper end portion of the first vertical member 31 with respect to the opening portion 36 of the dimension adjusting member 34 is adjusted (the upper end portion of the first vertical member 31 is fixed to the opening portion 36 of the dimension adjusting member 34 by a fixing bolt and nut). By doing so, the vertical dimension of the truss structure 17 can be adjusted within the limit of the length dimension of the opening 36. The formwork 10 </ b> A can adjust the vertical dimension of the truss structure 17 by the dimension adjusting member 34, and the vertical dimension of the truss structure 17 can be matched with the height dimension of the wall surface 12 of the building 11. it can.

  In the truss structure 17, the upper end portion 37 (the fixed end portion 35 of the dimension adjusting member 34) is a first fixing location (the slab bottom surface 26 or the beam bottom surface 26 of the building 11 is accurately positioned via a predetermined fixing means ( It is fixed at the first inking area). Further, the lower end portion 38 (the lower end portion of the first vertical member 31) of the truss structure 17 is fixed to a second fixing portion (second inking portion) that is accurately positioned on the floor surface 27 through a predetermined fixing means. Has been. In addition, the 1st fixing location of the slab bottom face 24 or the beam bottom face 24 and the 2nd fixing location of the floor surface 31 correspond substantially exactly. As specific examples of the fixing means, angles 39a and 39b, anchor bolts 40a and 40b, and adjuster bolts 41a and 41b are used to fix the truss structure 17 to the slab bottom surface 26, the beam bottom surface 26, and the floor surface 27.

  A plurality of anchor holes (not shown) arranged in the lateral direction are drilled in the first fixed portion (just before the second facing surface 20 of the panel 16a) positioned precisely on the slab bottom surface 26 or the beam bottom surface 26, and these anchor holes are drilled. Resin anchors and mechanical anchors are installed, and the anchor bolts 40a are inserted into the bolt holes formed in the angles 39a, and the anchor bolts 40a are screwed into the anchor holes to firmly fix the angles 39a at the first fixing points. To do. A plurality of anchor holes (not shown) arranged in the lateral direction are drilled in the second fixed location (just before the second facing surface 20 of the panel 16c) positioned accurately on the floor surface 27, and resin anchors or A mechanical anchor is installed, and the anchor bolt 40b is inserted into a bolt hole formed in the angle 39b, and the anchor bolt 40b is screwed into the anchor hole to firmly fix the angle 39b to the second fixing portion.

  Next, an adjuster bolt 41 a is screwed into a bolt screw hole (not shown) drilled in the angle 39 a and a bolt screw hole (not shown) drilled in the fixed end 35 of the dimension adjusting member 34. Then, a nut is screwed onto the bolt 41a to firmly fix the fixed end 35 to the angle 39a. Further, an adjuster bolt 41b is screwed into a bolt screw hole (not shown) drilled in the angle 39b and a bolt screw hole (not shown) drilled in the lower end of the first vertical member 31. A nut is screwed onto the bolt 41b to firmly fix the lower end portion of the first vertical member 31 to the angle 39b.

  When the fixed end portion 35 of the dimension adjusting member 34 is fixed to the angle 39a and the lower end portion of the first vertical member 31 is fixed to the angle 39b while adjusting the height dimension of the truss structure 17 in the vertical direction, The vertical member 31 contacts (contacts) the contact surface 20 of the formwork panels 16a to 16c. Accordingly, the truss structure 17 suppresses the bulging forward of the mold panels 16a to 16c in the front-rear direction due to the lateral pressure of the concrete 13 when the concrete 13 is placed in the space 14, and the front-rear direction of the panels 16a to 16c. This prevents forward deformation and collapse of the stacked panels 16a to 16c.

  It should be noted that the thickness dimension of the upper end portion 44 of the formwork panel 16a is smaller than that of the remaining portion, whereby the thickness of the angle 39a is absorbed by the upper end portion 44, and the first vertical member 31 does not interfere with the angle 39a. Securely contacts (contacts) the contact surfaces 20 of the form panels 16a to 16c. In addition, the thickness dimension of the lower end portion 45 of the mold panel 16c is smaller than that of the remaining portion, whereby the thickness of the angle 39b is absorbed by the lower end portion 45, and the first vertical member 31 does not interfere with the angle 39b. Securely contacts (contacts) the contact surfaces 20 of the form panels 16a to 16c.

  A connecting string 42 (connecting member) extending from the handle 28 is strongly connected to the second vertical member 32 of the truss structure 17. In the mold frame 10A, the handles 28 of the panels 16a to 16c and the truss structure 17 are connected via the connecting string 42, and the panels 16a to 16c are prevented from falling to the wall surface 16 side. When a connecting rubber band is used as the connecting member, the rubber band is hooked on the truss structure 17 in a state where the rubber band is extended from the handle 28.

  The horizontally installed members 18a to 18c are fixed to the truss structure 17 while being positioned in front of the truss structure 17 in the front-rear direction (immediately before the second vertical member 32 of the truss structure 17) and extend straight in the lateral direction. Yes. These horizontal members 18a to 18c are lined up with a predetermined distance in the vertical direction. As shown in FIGS. 1 and 2, the horizontal members 18 a to 18 c are hollow metal cylinders having a circular cross section made of a metal such as iron, aluminum, brass, or an alloy. The horizontally installed members 18 a to 18 c are firmly fixed to the second vertical member 32 of the truss structure 17 via the fixing bracket 43.

  The horizontal member 18a is arranged in front of the panel 16a arranged in the horizontal direction, the horizontal member 18b is arranged in front of the panel 16b arranged in the horizontal direction, and the front of the panel 16c in which the horizontal member 18c is arranged in the horizontal direction. Is arranged. Although three horizontal members are installed on the mold 10A, the number of horizontal members to be installed on the mold 10A is not particularly limited, and the horizontal dimensions and thickness dimensions of the seismic reinforcement wall W2 to be constructed. The number of the horizontal members 23 to be used is determined by the structural calculation considering the above. By these laterally laying members 18a to 18c, the bulges of the truss structures 17 in the front-rear direction due to the lateral pressure of the concrete 13 when the concrete 13 is placed in the space 14 are suppressed, and the truss structures 17 are moved forward in the front-rear direction. And deformation in the lateral direction are prevented.

  FIG. 6 is a diagram illustrating an example of a construction procedure for the earthquake-resistant reinforcing wall W2, and FIG. 7 is a side view of FIG. 8 is a diagram showing a construction procedure of the earthquake-proof reinforcement wall W2 continuing from FIG. 6, and FIG. 9 is a side view of FIG. FIG. 10 is a diagram showing a construction procedure of the seismic reinforcing wall W2 continued from FIG. 8, and FIG. 11 is a side view of FIG. 6 and 7 show the state in which the horizontal member installation process is completed, FIGS. 8 and 9 show the state in which the vertical member first installation process is completed, and FIGS. 10 and 11 show the panel installation process. Indicates the completed state. 7, 9, and 11, illustration of reinforcing bars (embedded anchors, vertical bars, horizontal bars) is omitted.

  Reinforced concrete seismic reinforcement wall W2 includes positioning process, horizontal member installation process (angle installation process), vertical installation material first installation process (truss structure first installation process), panel installation process, vertical installation material second installation After assembling the mold 10A by performing each process (truss structure second installation process) and horizontal installation material installation process, the concrete placing process and the mold removing process are performed. It is done. First, a positioning process is performed.

  In the positioning step, although not shown in the drawing, the panel first installation location (inking location) of the formwork panel 16a with respect to the bottom surface 26 or the beam bottom surface 26 of the building 11 is accurately positioned (marking out), and the bottom surface 26 or The truss first mounting location (inking location) of the truss structure 17 (angles 39a and 39b) with respect to the beam bottom surface 26 is accurately positioned (marking out). Further, the panel second installation location (inking location) of the formwork panel 16c with respect to the floor 27 is accurately positioned (marking out), and the truss second of the truss structure 17 (angles 39a and 39b) with respect to the floor 27 is provided. Accurately position (mark out) the mounting location (ink marking location).

  The panel first installation location of the panel 16a on the slab bottom surface 26 and the beam bottom surface 26 is a location spaced forward from the wall surface 12 in the front-rear direction, and a first line (inking line) extending laterally to the first installation location (see FIG. Pull (not shown). The truss first mounting location of the truss structure 17 on the slab bottom surface 26 or the beam bottom surface 26 is a location spaced forward from the wall surface 12 in the front-rear direction (a location slightly spaced forward from the first panel installation location in the front-rear direction). A second line (inking line) (not shown) extending in the lateral direction is drawn at the first attachment location.

  The panel second installation location of the panel 16c on the floor surface 27 is a location spaced forward from the wall surface 12 in the front-rear direction, and a third line (inking line) (not shown) extending in the lateral direction is provided at the second installation location. Pull. The truss second mounting location of the truss structure 17 on the floor surface 27 is a location spaced forward from the wall surface 12 in the front-rear direction (a location slightly spaced forward from the panel second installation location in the front-rear direction). A fourth line (inking line) (not shown) extending in the horizontal direction is drawn.

  The distance from the wall surface 12 of the first installation location to the front in the front-rear direction is the same as the distance from the wall surface 12 to the front in the front-rear direction of the second installation location, and the distance from the wall surface 12 to the front in the front-rear direction. The dimensions and the distance from the wall surface 12 of the second attachment location to the front in the front-rear direction are the same. In the positioning step, the truss first mounting location and the truss second mounting location (first and second mounting locations) are positioned without positioning the installation location of the panel, and a line is drawn only to these mounting locations. Also good.

  Although the first and second lines are drawn on the bottom surface 26 or the beam bottom surface 26 and the third and fourth lines are drawn on the floor surface 27, the reinforcing bars (embedded anchors, vertical bars) are not shown in the space 14 although not shown. , Horizontal bars). After reinforcing bars are arranged in the space 14, a horizontal member installation process (angle installation process) is performed. In the horizontal member installation step, an angle 39a (horizontal member) is attached to the first truss attachment position where the slab bottom surface 26 or the beam bottom surface 26 is positioned, and the angle 39b is attached to the second truss second attachment portion where the floor surface 27 is positioned. Attach (horizontal material).

  In the horizontal member installation process, a plurality of anchor holes (not shown) arranged in the lateral direction are drilled in the truss first mounting position where the slab bottom surface 26 or the beam bottom surface 26 is positioned, and resin anchors or mechanical type are formed in these anchor holes. Install the anchor. Next, the angle 39a is arranged on the second line so that the upper end portion 37 of the truss structure 17 (the fixed end portion 35 of the dimension adjusting member 34) is accurately positioned on the second line, and the angle 39a is formed. The anchor bolt 40 a is inserted into the bolt hole and the anchor bolt 40 a is screwed into the anchor hole to firmly fix the angle 39 a to the truss first mounting position on the slab bottom surface 26 or the beam bottom surface 26.

  Further, a plurality of anchor holes (not shown) arranged in the lateral direction are drilled in the second truss mounting position where the floor surface 27 is positioned, and a resin anchor or a mechanical anchor is installed in these anchor holes. Next, the angle 39b is arranged on the fourth line so that the lower end portion 38 of the truss structure 17 is accurately positioned on the fourth line, and the anchor bolt 40b is inserted into the bolt hole formed in the angle 39b. The anchor bolt 40b is screwed into the anchor hole, and the angle 39b is firmly fixed to the truss second mounting position on the floor surface 27.

  After attaching the angle 39a to the slab bottom surface 26 or the beam bottom surface 26 and attaching the angle 39b to the floor surface 27, the first vertical installation material installation process (truss structure first installation process) is performed. In the vertical installation material first installation step (truss structure first installation step), one truss structure 17 (first vertical installation) is provided at a position corresponding to one set of panels 16a to 16c stacked in the vertical direction in the panel installation step. Material) and a total of three truss structures 17 a to 17 c are attached between the pillars 15.

  In the first installation process of the vertically erected material, an adjuster bolt is attached to a bolt screw hole (not shown) drilled in the angle 39b and a bolt screw hole (not shown) drilled in the lower end portion of the first vertical member 31. 41b is screwed, and a nut is screwed to the bolt 41b to firmly fix the lower end portion of the first vertical member 31 to the angle 39b. In order to adjust the vertical height dimension of the truss structure 17, the fixing position of the upper end portion of the first vertical member 31 with respect to the opening 36 of the dimension adjusting member 34 is determined. After the fixing position is determined, the upper end portion of the first vertical member 31 is firmly fixed to the opening 36 of the dimension adjusting member 34 at the fixing position. The upper end portion of the first vertical member 31 and the dimension adjusting member 34 are fixed via fixing bolts and nuts. Further, an adjuster bolt 41a is screwed into a bolt screw hole (not shown) drilled in the angle 39a and a bolt screw hole (not shown) drilled in the fixed end 35 of the dimension adjusting member 34, A nut is screwed onto the bolt 41a to firmly fix the fixed end 35 of the dimension adjusting member 34 to the angle 39a.

  When the height of the truss structure 17 in the vertical direction is adjusted, the lower end portion of the first vertical member 34 is fixed to the angle 39b, and the fixed end portion 35 of the dimension adjusting member 34 is fixed to the angle 39a. As shown in FIG. 3, three truss structures 17 a to 17 c extending in the vertical direction between the slab bottom surface 26 and the beam bottom surface 26 and the floor surface 27 are spaced apart by a predetermined dimension in the lateral direction.

  After the truss structures 17a to 17c are attached to the truss first attachment location and the truss second attachment location, a panel installation process is performed. In the panel installation process, three formwork panels 16a to 16c are installed in the order of panel 16c → panel 16b → panel 16a with respect to the truss structure 17a located on the left side of FIG. The three formwork panels 16a to 16c are installed in the order of the panel 16c → the panel 16b → the panel 16a with respect to the truss structure 17b, and three molds with respect to the truss structure 17c located on the right side of FIG. Frame panels 16a to 16c are installed in the order of panel 16c → panel 16b → panel 16a. The formwork panel 16a is provided with a placement port 29 for placing the concrete 13 in the space 14 between the wall surface 12 and the panels 16a to 16c. Further, when the concrete 13 is placed in the space 14, a confirmation window 30 capable of confirming the placement state of the concrete 13 in the space 14 is formed in the formwork panels 16 a and 16 c.

  With the opposing surface 19 of the panels 16a to 16c facing the wall surface 12, the lower surface 22 of the panel 16c is positioned at the third line (panel second installation location), and the upper surface 21 of the panel 16a is the first line (panel These panels 16a-16c are installed between the truss structure 17a and the wall surface 12 so that it may be located in a 1st installation location. When the panels 16a to 16c are installed, a portion extending downward from the slab bottom surface 26 and the beam bottom surface 26 of the angle 39a contacts the upper end portion 44 of the panel 16a, and a portion extending upward from the floor surface 27 of the angle 39b The portion of the remaining portion of the panels 16a and 16c that is in contact with the lower end 45 and the contact surface 20 of the panel 16b extends downward from the slab bottom surface 26 or the beam bottom surface 26 of the angle 39a or the floor of the angle 39b. The abutting surface 20 and the abutting surface 20 of the panel 16b at the remaining portions of the panels 16a and 16c are in contact with the first vertical member 31 of the truss structure 17a. Touch.

  Next, the connection string 42 (connection member) is connected to the handle 28 attached to the panels 16a to 16c, and the connection string 42 is connected to the second vertical member 32 of the truss structure 17a. By connecting the handle 28 and the truss structure 17a with the connecting string 42, the panels 16a to 16c and the truss structure 17a are connected, and the panels 16a to 16c are supported by the truss structure 17a, and the panels 16a to 16c. Is prevented from falling to the wall surface 12 side, and the panels 16a to 16c can be arranged in an orderly manner along the truss structure 17a.

  With the first facing surface 19 of the panels 16a to 16c facing the wall surface 12, the lower surface 22 of the panel 16c is positioned on the third line (panel second installation location), and the upper surface 21 of the panel 16a is the first line. These panels 16a-16c are installed between the truss structure 17b and the wall surface 12 so that it may be located in (panel 1st installation location). When the panels 16a to 16c are installed, a portion extending downward from the slab bottom surface 26 and the beam bottom surface 26 of the angle 39a contacts the upper end portion 44 of the panel 16a, and a portion extending upward from the floor surface 27 of the angle 39b The portion of the remaining portion of the panels 16a and 16c that is in contact with the lower end 45 and the contact surface 20 of the panel 16b extends downward from the slab bottom surface 26 or the beam bottom surface 26 of the angle 39a or the floor of the angle 39b. The abutment surface 20 and the abutment surface 20 of the panel 16b in the remaining portions of the panels 16a and 16c are in contact with the first vertical member 31 of the truss structure 17b. Touch.

  Next, the connection string 42 (connection member) is connected to the handle 28 attached to the panels 16a to 16c, and the connection string 42 is connected to the second vertical member 32 of the truss structure 17b. By connecting the handle 28 and the truss structure 17b with the connecting string 42, the panels 16a to 16c and the truss structure 17b are connected, and the panels 16a to 16c are supported by the truss structure 17b, and the panels 16a to 16c. Can be prevented from falling to the wall surface 12 side, and the panels 16a to 16c can be arranged in the vertical direction along the truss structure 17b.

  With the first facing surface 19 of the panels 16a to 16c facing the wall surface 12, the lower surface 22 of the panel 16c is positioned on the third line (panel second installation location), and the upper surface 21 of the panel 16a is the first line. These panels 16a-16c are installed between the truss structure 17c and the wall surface 12 so that it may be located in (panel 1st installation location). When the panels 16a to 16c are installed, a portion extending downward from the slab bottom surface 26 and the beam bottom surface 26 of the angle 39a contacts the upper end portion 44 of the panel 16a, and a portion extending upward from the floor surface 27 of the angle 39b The portion of the remaining portion of the panels 16a and 16c that is in contact with the lower end 45 and the contact surface 20 of the panel 16b extends downward from the slab bottom surface 26 or the beam bottom surface 26 of the angle 39a or the floor of the angle 39b. The abutment surface 20 and the abutment surface 20 of the panel 16b in the remaining portions of the panels 16a and 16c are in contact with the first vertical member 31 of the truss structure 17c. Touch.

  Next, the connection string 42 (connection member) is tied to the handle 28 attached to the formwork panels 16a to 16c, and the connection string 42 is tied to the second vertical member 32 of the truss structure 17c. By connecting the handle 28 and the truss structure 17c with the connecting string 42, the panels 16a to 16c and the truss structure 17c are connected, and the panels 16a to 16c are supported by the truss structure 17c, and the panels 16a to 16c. Can be prevented from falling to the wall surface 12 side, and the panels 16a to 16c can be arranged in the vertical direction along the truss structure 17c.

  When the panels 16a to 16c are installed between the truss structures 17a to 17c and the wall surface 12, the lower surface 22 of the formwork panel 16c located at the lowermost position is positioned on the third line of the floor surface 27, and the upper surface 21 of the panel 16c. Comes into contact (contact) with the lower surface 22 of the panel 16b located in the middle, and the panels 16c and 16b overlap in the vertical direction. The upper surface 21 of the formwork panel 16b located at the middle part abuts (adheres) to the lower surface 22 of the panel 16a located at the uppermost part, the panel 16b and the panel 16a overlap in the vertical direction, and the upper surface 21 of the panel 16a slabs. It is located on the first line of the bottom surface 26 and the beam bottom surface 26. In the formwork panels 16a to 16c adjacent in the lateral direction, the side surfaces 22 and 23 of the panels 16a to 16c are in contact (adhered). In the panels 16a to 16c supported by the truss structure 17a, the side surface 22 abuts (contacts) the column 15, and in the panels 16a to 16c supported by the truss structure 17c, the side surface 23 abuts the column 15 ( In close contact.

  FIG. 12 is a diagram showing a construction procedure of the seismic reinforcement wall W2 continuing from FIG. 10, and FIG. 13 is a diagram showing a construction procedure of the earthquake resistance reinforcement wall W2 continuing from FIG. FIG. 14 is a side view of FIG. 13, and FIG. 15 is a side view similar to FIG. FIG. 12 shows a state where the second truss structure installation step is completed, and FIG. 13 shows a state where the horizontal member installation step is completed. 14 and 15, illustration of reinforcing bars (embedded anchors, vertical bars, horizontal bars) is omitted.

  After the panels 16a to 16c are installed, the vertical installation material second installation process is performed. In the vertical installation material second installation process (truss structure second installation process), two truss structures 17 (second vertical installation material) are newly formed in one set of panels 16a to 16c stacked in the vertical direction in the panel installation process. ) (Two truss structures 17 on both sides of the truss structure 17a, two truss structures 17 on both sides of the truss structure 17b, and two truss structures on both sides of the truss structure 17c) Mount the object 17). In the vertical installation material first installation step and the vertical installation material second installation step, three truss structures 17 are attached to one set of panels 16a to 16c stacked in the vertical direction, and a total of nine truss structures 17 are provided between the columns 15. A truss structure 17 is attached.

  An adjuster bolt 41b is screwed into a bolt screw hole (not shown) drilled in the angle 39b and a bolt screw hole (not shown) drilled in the lower end portion of the first vertical member 31 of the truss structure 17. Then, a nut is screwed onto the bolt 41b to firmly fix the lower end portion of the first vertical member 31 to the angle 39b. In order to adjust the height dimension of the truss structure 17 in the vertical direction, the fixing position of the upper end portion of the first vertical member 31 with respect to the opening 36 of the dimension adjusting member 34 is determined, and then the first vertical member is fixed at the fixing position. The upper end portion of 31 is firmly fixed to the opening portion 36 of the dimension adjusting member 34 through fixing bolts and nuts. Further, an adjuster bolt 41a is screwed into a bolt screw hole (not shown) drilled in the angle 39a and a bolt screw hole (not shown) drilled in the fixed end 35 of the dimension adjusting member 34, A nut is screwed onto the bolt 41a to firmly fix the fixed end 35 of the dimension adjusting member 34 to the angle 39a.

  When the vertical height of the truss structure 17 is adjusted, the lower end portion of the first vertical member 34 is fixed to the angle 39b, and the fixed end portion 35 of the dimension adjusting member 34 is fixed to the angle 39a. As shown in FIG. 2, two truss structures 17 extending in the vertical direction are installed on both sides of the truss structure 17a so as to be spaced apart from each other by a predetermined dimension, and the two trusses extending in the vertical direction are arranged on both sides of the truss structure 17b. The structure 17 is installed with a predetermined distance in the lateral direction, and two truss structures 17 extending in the vertical direction on both sides of the truss structure 17c are installed with a predetermined distance in the horizontal direction.

  When two truss structures 17 are installed on both sides of the truss structure 17a, the truss structures 17 are arranged on both side edges extending in the vertical direction of the panels 16a to 16c with the truss structure 17a interposed therebetween. When two truss structures 17 are installed on both sides of the truss structure 17b, the truss structures 17 are arranged on both side edges extending in the vertical direction of the panels 16a to 16c with the truss structure 17b interposed therebetween. Further, when two truss structures 17 are installed on both sides of the truss structure 17c, the truss structures 17 are arranged on both side edges extending in the vertical direction of the panels 16a to 16c with the truss structure 17c interposed therebetween.

  Next, the connection string 42 (connection member) is connected to the handle 28 attached to the panels 16 a to 16 c, and the connection string 42 is connected to the second vertical member 32 of the truss structure 17. By connecting the handle 28 and the truss structure 17 with the connecting string 42, the panels 16a to 16c and the truss structure 17 are connected, and the panels 16a to 16c are supported by the truss structure 17, and the panels 16a to 16c. Is prevented from falling to the wall surface 12 side.

  If the lower end portion of the first vertical member 31 and the fixed end portion 35 of the dimension adjusting member 34 are fixed to the angles 39a and 39b while adjusting the vertical dimension of the truss structure 17, the remaining portions of the panels 16a and 16c are retained. The contact surface 20 at the part and the contact surface 20 of the panel 16 b contact the first vertical members 31 of the truss structure 17. In the mold 10A, the nine truss structures 17 arranged in the horizontal direction prevent the mold panels 16a to 16c from being deformed forward and backward and the stacked panels 16a to 16c from collapsing.

  After the handle 28 and the truss structure 17 are connected by the connecting string 42, a horizontal installation material installation process is performed. In the horizontal installation material installation step, a plurality of horizontal installation materials 18 a to 18 c extending in the horizontal direction are installed in each truss structure 17. In the horizontal installation material installation step, as shown in FIG. 13, the three horizontal installation materials 18 a to 18 c extending in the horizontal direction are installed in the front-rear direction front of the truss structure 17 in a state of being separated by a predetermined dimension in the vertical direction. . In the horizontal member installation process, the horizontal members 18 a to 18 c are firmly fixed to the second vertical members 32 of the truss structures 17 via the fixing bracket 43.

  When the horizontal members 18a to 18c are fixed to the truss structure 17, the horizontal member 18a is located in front of the formwork panel 16a and at the center in the vertical direction of the panel 16a, and the horizontal member 18b is provided on the formwork panel 16b. It is the front and is located in the center of the panel 16b in the vertical direction. Further, the horizontal member 18c is located in front of the form panel 16c and at the center in the vertical direction of the panel 16c. In the mold frame 10A, the laterally extending members 18a to 18c prevent the truss structure 17 from being deformed forward in the front-rear direction and bent in the lateral direction.

  When the positioning process, horizontal member installation process, vertical installation material first installation process, panel installation process, vertical installation material second installation process, and horizontal installation material installation process are completed, the mold 10A shown in FIG. 1 is completed. A space 14 for placing concrete 13 is formed between the wall surface 12 and the formwork 10A (formwork panels 16a to 16c). Although not shown in the drawing, an air hole for releasing air existing in the space 14 when the concrete 13 is placed in the space 14 to the outside is formed in any formwork panel 16a.

  After assembling the mold 10A, a concrete placing process is performed. In the concrete placing step, as shown in FIG. 15, the concrete 13 is placed in the space 14 from a placement port 29 formed in the formwork panel 16a. Although the concrete 13 is placed in the space 14 (not shown), a hose extending from the concrete mixer is connected to the placement port 29 of the panel 16a, and the concrete 13 is pressed into the space 14 from the placement port 29. The air in the space 14 is exhausted to the outside through the air hole of the formwork panel 16a. In the concrete placing step, the concrete 13 is placed while visually confirming the space 14 from the confirmation window 30 and determining the placement state of the concrete 13 in the space 14 using the confirmation window 30.

  In the concrete placing process, by using the supply port 29 made in the formwork panel 16a, the concrete 13 can be easily placed in the space 14, and the concrete 13 can be easily added to the wall surface 12 of the building 11. You can hit. In addition, since the concrete 13 can be placed in the space 14 through the confirmation window 30, the concrete 13 can be reliably placed over the entire space 14, and the concrete 13 can be reliably added to the wall surface 12. can do.

  When the concrete 13 is placed in the space 14 by the concrete placing step, the lateral pressure of the concrete 13 that has entered the space 14 acts on the formwork panels 16a to 16c. When the side pressure of the concrete 13 acts on the panels 16a to 16c, the panels 16a to 16c try to bulge forward in the front-rear direction, but the bulges of the panels 16a to 16c are suppressed by the truss structure 17, and the side pressure of the concrete 13 is increased. The deformation of the panels 16a to 16c and the collapse of the stacked panels 16a to 16c are prevented. In addition, the truss structure 17 tends to bulge forward in the front-rear direction due to the side pressure of the concrete 13, but the bulge of each truss structure 17 is suppressed by the lateral members 18 a to 18 c, and the truss structure due to the side pressure of the concrete 13. 17 deformation and flexure are prevented.

  In the formwork 10A, even if each truss structure 17 serves as a press in the vertical direction with respect to the panels 16a to 16c, and the lateral pressure of the concrete 13 placed in the space 14 acts on the panels 16a to 16c, the panels 16a to 16c. Is not bent, and the straight state of the panels 16a to 16c can be maintained. Further, the polyurea resin 25 is applied to the six surfaces 19 to 24 of the panels 16a to 16c, and the bending strength of the panels 16a to 16c itself is greatly increased by the cured polyurea resin 25. Even if it acts on the panels 16a to 16c, the panels 16a to 16c are not bent, and the straight state of the panels 16a to 16c can be maintained.

  After placing the concrete 13 in the space 14, the concrete 13 is cured for a predetermined period. After the curing period of the concrete 13 elapses, a mold removal process is performed. In the mold removing step, the fixing bracket 43 is removed from the second vertical member 32 of the truss structure 17, and the horizontal members 18 a to 18 c are removed from the truss structure 17. After the horizontal members 18a to 18c are removed, the connecting string 42 is unwound from the second vertical member 32 of the truss structure 17, and the bolt screw hole of the angle 39a and the bolt screw of the fixed end 35 of the dimension adjusting member 34 are screwed. The adjuster bolt 41a is removed from the hole to release the fixing of the fixed end portion 35 of the dimension adjusting member 34 and the angle 39a, and from the bolt screw hole of the angle 39b and the bolt screw hole of the lower end portion of the first vertical member 31. The adjuster bolt 41b is removed, the lower end portion of the first vertical member 31 is fixed to the angle 39b, and the truss structure 17 is removed from the slab bottom surface 26, the beam bottom surface 26, and the floor surface 27.

  After the truss structure 17 is removed, the anchor bolt 40b is removed from the resin anchor or the mechanical anchor in the anchor hole drilled in the truss second mounting position of the floor surface 27, and the fixation between the floor surface 27 and the angle 39b is released. At the same time, the anchor bolt 40a is extracted from the resin anchor or the mechanical anchor in the anchor hole drilled in the truss first mounting portion of the slab bottom surface 26 or the beam bottom surface 26, and the slab bottom surface 26 or the beam bottom surface 26 is fixed to the angle 39a. To do.

  After removing the angles 40a and 40b, while holding the handles 28 of the form panels 16a to 16c by hand, the panels 16a to 16c are pulled away from the wall surface 12 (forward in the front-rear direction) to remove the panels 16a to 16c. . Since the polyurea resin 25 is applied to the six surfaces 19 to 24 of the panels 16a to 16c, and the frictional resistance of the six surfaces 19 to 24 is greatly reduced, the hardened concrete 13 after curing is the panels 16a to 16c. The panels 16 a to 16 c can be easily removed from the concrete 13 without adhering to the first facing surface 19. By removing all the members forming the mold 10A and removing (disassembling) the assembled mold 10A, a newly installed seismic reinforcement wall W2 made of reinforced concrete is produced.

  The reinforcing wall construction method uses a plurality of truss structures 17 (first and second vertical members) and a plurality of horizontal members 18a to 18c, so that the wall surface 12 and the formwork panel 16a of the building 11 are used. Even if the side pressure of the concrete 13 placed in the space 14 between ˜16c acts on the mold 10 </ b> A, the panels 16 a ˜ 16 c are not deformed, and the mold 10 </ b> A is sufficient for the side pressure of the concrete 13. In addition, the parallel state of the wall surface 12 of the building 11 and the panels 16a to 16c can be maintained, so that the concrete wall 13 can be reliably added to the wall surface 12 and the outside of the existing wall W1. A new seismic reinforcement wall W2 as designed by the structural calculation can be created.

  The reinforcing wall construction method does not need to install a plurality of separators when assembling the formwork 10A, saves labor and time for installing the separators, and does not need to rely on the experience of the carpenter. The mold 10A can be efficiently assembled in a short time, and the seismic reinforcement wall W2 can be constructed at low cost without requiring labor. In addition, since the reinforcing wall construction method does not require a separator to be installed in the space 14 when assembling the mold 10A, reinforcing bars (embedded anchors, vertical bars, horizontal bars) arranged in the space 14 are installed in the separator 14. Therefore, it is possible to freely arrange reinforcing bars in the space 14 and to make a strong reinforced concrete seismic reinforcing wall W2.

  16 is a front view showing another example of the assembled mold 10B, and FIG. 17 is a side view of the assembled mold 10B of FIG. FIG. 18 is a diagram illustrating another example of the construction procedure of the earthquake-resistant reinforcing wall W2, and FIG. 19 is a diagram illustrating the construction procedure of the earthquake-resistant reinforcing wall W2 continued from FIG. FIG. 20 is a side view showing a placement state of the concrete 13. 16 and 17, the vertical direction is indicated by an arrow A, the horizontal arrow B (only FIG. 16), and the front-back direction is indicated by an arrow C (only FIG. 17). 18 shows a state where the horizontal member installation process, the vertical member first installation process, and the panel installation process are completed, and FIG. 19 shows a state where the vertical member second installation process is completed. In FIGS. 17 and 20, illustration of reinforcing bars (embedded anchors, vertical bars, horizontal bars) is omitted.

  The reinforcement wall construction method using the formwork 10B is the same as the reinforcement wall construction method using the formwork 10A, the positioning process, the horizontal material installation process (angle installation process), the vertical construction material first installation process (truss structure). After assembling the formwork 10B by sequentially performing each step of the first object installation step), the panel installation step, the vertical installation material second installation step (truss structure second installation step), and the horizontal installation material installation step The seismic reinforcing wall W2 made of reinforced concrete is made by sequentially performing the concrete placing process and the form removing process.

  The difference between the mold 10B and the mold 10A is that the number of installed truss structures 17 and the number of horizontal members are larger than those of the mold 10A in FIG. Since the other configuration is the same as that of FIG. 1, the description of the other configuration of the mold 10B is omitted by using the description of the mold 10A of FIG. The mold 10B is formed of a plurality of mold panels 16a to 16c, a plurality of truss structures 17 (first and second vertical installation members), and a plurality of horizontal installation members 18.

  The truss structure 17 (first and second vertically installed members) is located in front of the mold panels 16a to 16c in the front-rear direction and extends straight in the up-down direction. The truss structures 17 are lined up with a predetermined distance in the lateral direction. Four or five truss structures 17 are installed on a set of formwork panels 16a to 16c arranged in the vertical direction. The truss structure 17 includes first and second vertical members 31 and 32 that extend in a straight line in the vertical direction so as to face the first facing surface 20 of the formwork panels 16a to 16c, and between the vertical members 31 and 32. It is made of a truss member 33 that is positioned and extends in a zigzag manner in the vertical direction, and a dimension adjusting member 34 that can adjust the height dimension of the truss structure 17.

  In the truss structure 17, the upper end portion 37 (fixed end portion 35 of the dimension adjusting member 34) has a slab bottom surface 26 or a beam bottom surface of the building 11 via predetermined fixing means (angle 39 a, anchor bolt 40 a, adjuster bolt 41 a). 26 is firmly fixed to the first position of the truss that is accurately positioned (first inking position). In addition, the truss in which the lower end portion 38 (the lower end portion of the first vertical member 31) of the truss structure 17 is accurately positioned on the floor surface 27 through predetermined fixing means (angle 39b, anchor bolt 40b, adjuster bolt 41b). It is firmly fixed to the second fixed location (second inking location).

  When the fixed end portion 35 of the dimension adjusting member 34 is fixed to the angle 39a and the lower end portion of the first vertical member 31 is fixed to the angle 39b while adjusting the height dimension of the truss structure 17 in the vertical direction, The vertical member 31 contacts (contacts) the contact surface 20 of the formwork panels 16a to 16c. A connecting string 42 (connecting member) extending from the handle 28 is strongly connected to the second vertical member 32 of the truss structure 17.

  The horizontal installation member 18 is fixed to the truss structure 17 and extends straight in the horizontal direction while being positioned in front of the truss structure 17 in the front-rear direction (immediately before the second vertical member 32 of the truss structure 17). These horizontal members 18 are lined up with a predetermined dimension in the vertical direction. The horizontal member 18 is a hollow metal cylinder having a circular cross-sectional shape. The horizontal member 18 is firmly fixed to the second vertical member 32 of the truss structure 17 via the fixing bracket 43. Two horizontal members 18 are arranged in front of the panel 16a arranged in the horizontal direction, and two horizontal members 18 are arranged in front of the panel 16b arranged in the horizontal direction. Two horizontal members 18 are arranged in front of 16c.

  In the positioning step, the first panel installation location (inking location) of the formwork panel 16a with respect to the bottom surface 26 or the beam bottom surface 26 is accurately positioned (marking out), and the truss structure 17 (angle) with respect to the bottom surface 26 or the beam bottom surface 26 39a, 39b) the truss first mounting location (inking location) is accurately positioned (marking out), and a first line (inking line) (not shown) extending in the lateral direction is drawn to the first installation location. Then, a second line (inking line) (not shown) extending in the lateral direction is drawn at the first attachment location.

  Further, the panel second installation location (inking location) of the formwork panel 16c with respect to the floor 27 is accurately positioned (marking out), and the truss second of the truss structure 17 (angles 39a and 39b) with respect to the floor 27 is provided. Accurately locate (mark out) the mounting location (marking out location), draw a third line (ink marking line) (not shown) extending in the lateral direction at the second installation location, and laterally move to the second mounting location A fourth line (inking line) (not shown) extending to is drawn.

  After the first and second lines are drawn on the bottom surface 26 or the beam bottom surface 26 and the third and fourth lines are drawn on the floor surface 27, reinforcing bars (embedded anchors, vertical bars, horizontal bars) are arranged in the space 14. . After reinforcing bars are arranged in the space 14, a horizontal member installation process (angle installation process) is performed. In the horizontal member installation step, the angle 39a is attached to the first truss attachment position where the slab bottom surface 26 or the beam bottom surface 26 is positioned, and the angle 39b is attached to the second truss attachment position where the floor surface 27 is positioned.

  In the horizontal member installation process, a resin anchor or a mechanical anchor is installed in an anchor hole drilled in the first truss mounting position where the slab bottom surface 26 or the beam bottom surface 26 is positioned, and an upper end portion 37 (dimension adjustment) of the truss structure 17 The angle 39a is arranged on the second line so that the fixed end portion 35) of the member 34 is accurately located on the second line, and the angle 39a is attached to the truss first mounting on the slab bottom surface 26 or the beam bottom surface 26 by the anchor bolt 40a. Firmly fix in place. In addition, a resin anchor or a mechanical anchor is installed in an anchor hole drilled in the second truss mounting position on the floor 27 so that the lower end portion 38 of the truss structure 17 is accurately positioned on the fourth line. The angle 39b is arranged on the fourth line, and the angle 39b is firmly fixed to the truss second mounting position on the floor surface 27 by the anchor bolt 40b.

  After the angles 39a and 39b are attached to the slab bottom surface 26, the beam bottom surface 26, and the floor surface 27, the first vertical installation material installation step is performed. In the vertical installation material first installation step (truss structure first installation step), one truss structure 17 (first vertical installation) is provided at a position corresponding to one set of panels 16a to 16c stacked in the vertical direction in the panel installation step. Material) and a total of three truss structures 17 a to 17 c are attached between the pillars 15.

  In the first vertical installation material installation step, the lower end portion of the first vertical member 31 is firmly fixed to the angle 39b by the adjuster bolt 41b and the nut. After the fixing position of the upper end portion of the first vertical member 31 with respect to the opening portion 36 of the dimension adjusting member 34 is determined, the upper end portion of the first vertical member 31 is fixed to the opening portion of the dimension adjusting member 34 by a fixing bolt and nut. Firmly fixed to 36. Further, the fixed end portion 35 of the dimension adjusting member 34 is firmly fixed to the angle 39a by the adjuster bolt 41b and the nut. FIG. 18 shows that the lower end portion of the first vertical member 34 is fixed to the angle 39b and the fixed end portion 35 of the dimension adjusting member 34 is fixed to the angle 39a while adjusting the height dimension of the truss structure 17 in the vertical direction. As shown, three truss structures 17a to 17c extending in the vertical direction between the slab bottom surface 26 and the beam bottom surface 26 and the floor surface 27 are spaced apart by a predetermined dimension in the lateral direction.

  After the truss structures 17a to 17c are attached to the truss first attachment location and the truss second attachment location, a panel installation process is performed. In the panel installation process, three mold panels 16a to 16c are installed in the order of panel 16c → panel 16b → panel 16a with respect to the truss structures 17a to 17c. With the opposing surface 19 of the panels 16a to 16c facing the wall surface 12, the lower surface 22 of the panel 16c is positioned at the third line (panel second installation location), and the upper surface 21 of the panel 16a is the first line (panel The panels 16 a to 16 c are installed between the truss structures 17 a to 17 c and the wall surface 12 so as to be positioned at the first installation location.

  With the opposing surface 19 of the panels 16a to 16c facing the wall surface 12, the lower surface 22 of the panel 16c is positioned at the third line (panel second installation location), and the upper surface 21 of the panel 16a is the first line (panel These panels 16a-16c are installed between the truss structure 17a and the wall surface 12 so that it may be located in a 1st installation location. When the panels 16a to 16c are installed, a portion extending downward from the slab bottom surface 26 and the beam bottom surface 26 of the angle 39a contacts the upper end portion 44 of the panel 16a, and a portion extending upward from the floor surface 27 of the angle 39b The portion of the remaining portion of the panels 16a and 16c that is in contact with the lower end 45 and the contact surface 20 of the panel 16b extends downward from the slab bottom surface 26 or the beam bottom surface 26 of the angle 39a or the floor of the angle 39b. The first vertical member 31 of the truss structures 17a to 17c is located slightly forward from the portion extending upward from the surface 27, and the contact surface 20 and the contact surface 20 of the panel 16b in the remaining portions of the panels 16a and 16c. Abut.

  Next, the connection string 42 (connection member) is connected to the handle 28 attached to the panels 16a to 16c, and the connection string 42 is connected to the second vertical members 32 of the truss structures 17a to 17c. By connecting the handle 28 and the truss structures 17a to 17c with the connecting string 42, the panels 16a to 16c and the truss structures 17a to 17c are connected, and the panels 16a to 16c are supported by the truss structures 17a to 17c. Thus, the panels 16a to 16c are prevented from falling toward the wall surface 12, and the panels 16a to 16c can be arranged in an orderly manner along the truss structures 17a to 17c.

  After the panels 16a to 16c are installed, the vertical installation material second installation process is performed. In the vertical installation material second installation process (truss structure second installation process), three or four truss structures 17 (second vertical structure 17) are newly added to one set of panels 16a to 16c stacked in the vertical direction in the panel installation process. Install the construction material. In the first truss structure installation step and the second truss structure installation step, four or five truss structures 17 are attached to one set of panels 16 a to 16 c stacked in the vertical direction, and a total of 13 between the pillars 15 is provided. The truss structure 17 is attached. The lower end portion of the first vertical member 31 is firmly fixed to the angle 39b by the adjuster bolt 41b and the nut. After the fixing position of the upper end portion of the first vertical member 31 with respect to the opening portion 36 of the dimension adjusting member 34 is determined, the upper end portion of the first vertical member 31 is fixed to the opening portion of the dimension adjusting member 34 by a fixing bolt and nut. Firmly fixed to 36. Further, the fixed end portion 35 of the dimension adjusting member 34 is firmly fixed to the angle 39a by the adjuster bolt 41b and the nut.

  When the lower end portion of the first vertical member 34 is fixed to the angle 39b and the fixed end portion 35 of the dimension adjusting member 34 is fixed to the angle 39a while adjusting the height dimension of the truss structure 17 in the vertical direction, FIG. Four truss structures 17 are installed on the panels 16a to 16c located on the left side of the panel 16 at a predetermined distance from each other in the lateral direction, and five truss structures 17 are arranged on the panels 16a to 16c located in the center of FIG. While being spaced apart by a predetermined dimension in the lateral direction, four truss structures 17 are spaced apart from each other by a predetermined dimension on the panels 16a to 16c located on the right side of FIG.

  Next, the connection string 42 (connection member) is connected to the handle 28 attached to the panels 16 a to 16 c, and the connection string 42 is connected to the second vertical member 32 of the truss structure 17. By connecting the handle 28 and the truss structure 17 with the connecting string 42, the panels 16a to 16c and the truss structure 17 are connected, and the panels 16a to 16c are supported by the truss structure 17, and the panels 16a to 16c. Is prevented from falling to the wall surface 12 side.

  If the lower end portion of the first vertical member 31 and the fixed end portion 35 of the dimension adjusting member 34 are fixed to the angles 39a and 39b while adjusting the vertical dimension of the truss structure 17, the remaining portions of the panels 16a and 16c are retained. The contact surface 20 at the part and the contact surface 20 of the panel 16 b contact the first vertical members 31 of the truss structure 17. In the mold 10B, the 13 truss structures 17 arranged in the horizontal direction prevent the mold panels 16a to 16c from being deformed forward in the front-rear direction and the stacked panels 16a to 16c from collapsing.

  After the handle 28 and the truss structure 17 are connected by the connecting string 42, a horizontal installation material installation process is performed. In the horizontal installation material installation step, a plurality of horizontal installation materials 18 extending in the horizontal direction are installed in each truss structure 17. In the horizontal installation material installation step, as shown in FIG. 16, the six horizontal installation materials 18 are installed in front of the truss structure 17 in a state where they are separated by a predetermined dimension in the vertical direction. In the horizontal member installation process, the horizontal members 18 are firmly fixed to the second vertical members 32 of the truss structures 17 via the fixing fittings 43. When the horizontal members 18a to 18c are fixed to the truss structure 17, the two horizontal members 18 are positioned in front of the mold panel 16a, and the two horizontal members 18 are positioned in front of the mold panel 16b. At the same time, the two horizontal members 18 are positioned in front of the formwork panel 16c. In the mold frame 10B, the laterally laying members 18 prevent the truss structures 17 from being deformed forward and backward in the front-rear direction and laterally bent.

  Positioning process, horizontal member installation process (angle installation process), vertical installation material first installation process (truss structure first installation process), panel installation process, vertical installation material second installation process (truss structure first installation process) ) When the horizontal installation material installation step is completed, the mold 10B shown in FIG. 16 is completed. After assembling the mold 10B, a concrete placing process is performed. In the concrete placing process, as shown in FIG. 20, the concrete 13 is placed in the space 14 from a placement port 29 formed in the formwork panel 16a. When the concrete 13 is placed in the space 14 by the concrete placing step, the lateral pressure of the concrete 13 that has entered the space 14 acts on the formwork panels 16a to 16c.

  When the side pressure of the concrete 13 acts on the panels 16a to 16c, the panels 16a to 16c try to bulge forward in the front-rear direction, but the bulges of the panels 16a to 16c are suppressed by the truss structure 17, and the side pressure of the concrete 13 is increased. The deformation of the panels 16a to 16c and the collapse of the stacked panels 16a to 16c are prevented. In addition, the truss structure 17 tends to bulge forward in the front-rear direction due to the side pressure of the concrete 13, but the bulge of each truss structure 17 is suppressed by the lateral members 18 a to 18 c, and the truss structure due to the side pressure of the concrete 13. 17 deformation and flexure are prevented.

  In the reinforcing wall construction method using the mold 10B, each truss structure 17 becomes a vertical press against the panels 16a to 16c, and the lateral pressure of the concrete 13 placed in the space 14 acts on each panel 16a to 16c. However, the panels 16a to 16c are not bent, and the straight state of the panels 16a to 16c can be maintained. Further, the polyurea resin 25 is applied to the six surfaces 19 to 24 of the panels 16a to 16c, and the bending strength of the panels 16a to 16c itself is greatly increased by the cured polyurea resin 25. Even if it acts on the panels 16a to 16c, the panels 16a to 16c are not bent, and the straight state of the panels 16a to 16c can be maintained.

  After the curing period of the concrete 13 elapses, a mold removal process is performed. Since the details of the mold removal process are the same as those of the construction procedure of the earthquake-proof reinforcement wall W2 using the mold 10A of FIG. 1, detailed description thereof is omitted. By removing all the members forming the mold 10B and removing (disassembling) the assembled mold 10B, a newly installed seismic reinforcement wall W2 made of reinforced concrete is produced.

  The reinforcing wall construction method is driven into the space 14 between the wall surface 12 of the building 11 and the formwork panels 16a to 16c by using a plurality of truss structures 17 and a plurality of horizontal members 18. Since the formwork 10B can sufficiently withstand the lateral pressure of the concrete 13 and the parallel state of the wall surface 12 and the panels 16a to 16c can be maintained, the concrete 13 can be reliably applied to the wall surface 12. A new reinforced concrete seismic reinforcement wall W2 can be made as designed outside the existing wall W1.

  The reinforcing wall construction method does not need to install a plurality of separators when assembling the mold 10B, and can save labor and time for installing the separators, and does not need to rely on the experience of the carpenter. The mold 10B can be assembled efficiently in a short time, and the seismic reinforcement wall W2 can be made at low cost without requiring labor. Further, in the reinforcing wall construction method, it is not necessary to install a separator in the space 14 when the mold 10B is assembled. Therefore, the reinforcing bars arranged in the space 14 do not interfere with the installation of the separator. It is possible to freely arrange reinforcing bars and to make a strong reinforced concrete seismic reinforcing wall W2.

10A Formwork 10B Formwork 11 Building (Building)
12 Wall surface 13 Concrete 14 Space 15 Pillar 16a-16c Formwork panel 17 Truss structure (vertical installation material)
18a-18c Horizontal installation material 19 1st opposing surface 20 2nd opposing surface 21 Upper surface 22 Lower surface 23 Side surface 24 Side surface 25 Polyurea resin 26 Slab bottom surface or beam bottom surface 27 Floor surface 28 Handle 29 Confirmation port 30 Confirmation window 31 1st vertical member 32 Second vertical member 33 Truss member 34 Size adjusting member 35 Fixed end portion 36 Opening portion 37 Upper end portion 38 Lower end portion 39a, 39b Angle 40a, 40b Anchor bolt 41a, 41b Adjuster bolt 42 Connecting string (connecting member)
43 Fixing bracket 44 Upper end 45 Lower end

Claims (13)

In the reinforcement wall construction method of using a mold assembled on the outside of the wall surface of the building, and placing a concrete in the space between the wall surface and the mold to create a new reinforcement wall,
The reinforcing wall construction method positions the first mounting location on the bottom surface of the slab or the beam bottom surface of the building that is spaced a predetermined distance forward from the wall surface in the front-rear direction, and the building is spaced a predetermined distance forward from the wall surface in the front-rear direction. A positioning step of positioning the second mounting location on the floor of the object, and a plurality of first vertically extending members extending in the vertical direction are installed between the first and second mounting locations in a state of being spaced apart by a predetermined dimension in the lateral direction. The first vertical installation material installation step, and a plurality of formwork panels having a predetermined area at the rear of the first vertical installation material in the front-rear direction and in contact with the first vertical installation material in the vertical direction and the horizontal direction. A panel installation step that is arranged side by side, and a plurality of second vertical installation members extending in the vertical direction are installed between the first and second attachment locations in a state in which they are juxtaposed in the lateral direction of the first vertical installation materials. Vertical installation material second installation process And assembling the formwork by a horizontal installation material installation step of fixing a plurality of horizontal installation materials extending in the horizontal direction to the front in the front-rear direction of the first and second vertical installation materials in a state of being spaced apart by a predetermined dimension in the vertical direction. The concrete placement step of placing the concrete in the space between the wall surface and the formwork panel, and the formwork removal step of removing the formwork after curing the concrete placed in the space. Reinforcement wall construction method characterized by creating a new reinforcement wall.   In the reinforcing wall construction method, after the positioning step, the first horizontal member is installed at the first attachment location on the bottom surface of the slab or the bottom surface of the beam, and the second horizontal material is installed at the second attachment location on the floor surface. A horizontal installation material installation step, wherein in the first vertical installation material installation step and the vertical installation material second installation step, the upper ends of the first and second vertical installation materials are attached to the first vertical installation material by a predetermined fixing means. The reinforcing wall construction method according to claim 1, wherein the reinforcing wall construction method is fixed to the horizontal member and the lower ends of the first and second vertical members are fixed to the second horizontal member by a predetermined fixing means.   The said panel installation process WHEREIN: While connecting these formwork panels and these 1st vertical installation materials via a connection member, these panels are arranged in order of an up-down direction and a horizontal direction. Reinforcement wall construction method.   In the vertical installation material second installation step, after the second vertical installation material is installed between the first and second attachment locations, the formwork panels and the second vertical installation material are interposed via the connecting member. The reinforcing wall construction method according to claim 3, wherein the reinforcing walls are connected together.   In the reinforcing wall construction method, the deformation of the panels due to the side pressure of the concrete when the concrete is placed in the space between the wall surface and the formwork panels is prevented by the first and second longitudinal members. 5. The reinforcing wall construction method according to any one of claims 1 to 4, wherein deformation and bending of the first and second longitudinal members due to a side pressure of the concrete are prevented by the lateral members.   In the vertical installation material first installation step, one of the first vertical installation materials is installed between both side edges of the pair of formwork panels arranged in the vertical direction, and in the vertical installation material second installation step, The reinforcing wall construction method according to any one of claims 1 to 5, wherein at least two of the second longitudinal members are installed between both side edges of the pair of formwork panels arranged in the vertical direction.   In the horizontal installation material installation step, the horizontal installation materials are fixed to the first and second vertical installation materials so that at least one of the horizontal installation materials is positioned in front of each of the formwork panels arranged in the vertical direction. The reinforcing wall construction method according to any one of claims 1 to 6.   The first and second vertical installation members are truss structures, and the truss structure is in contact with the formwork panel and extends in a straight line in the vertical direction, and the first vertical members A second vertical member that extends straight in the up-down direction with a predetermined distance away from the front in the front-rear direction; and a truss member that is positioned between the first vertical member and the second vertical member and extends in a zigzag direction in the up-down direction. The reinforcement wall construction method according to any one of claims 1 to 7, wherein the horizontal construction members are made and fixed to the second vertical members.   The truss structure includes a dimension adjusting member capable of adjusting a height dimension thereof, and the dimension adjusting member is located on a side of the building and fixed to the building, and the first An opening that is positioned on a vertical member side and that can be adjusted in a vertical fixing position with respect to the first vertical member, and the first vertical member can be attached to and detached from the dimension adjustment member through the opening. The reinforcing wall construction method according to claim 8, wherein the reinforcing wall construction method is connected to the wall.   The formwork panels are hexahedrons having a facing surface having a predetermined area facing the wall surface, a contact surface having a predetermined area contacting the first vertical member of the truss structure, and upper and lower surfaces and both side surfaces. The reinforcing wall construction method according to claim 8 or 9, wherein synthetic resin is applied to the six surfaces of the panel to reduce the frictional resistance of the panel to the concrete and increase the strength of the entire panel.   The reinforcing wall according to claim 10, wherein the synthetic resin is a polyurea resin composed of isocyanate and a special amine, and smooth coating layers having a predetermined thickness are formed on the six surfaces of the panels by the cured polyurea resin. Construction method.   At least one of the formwork panels is provided with a supply port for placing the concrete in a space between the wall surface and the panel, and at least one of the formwork panels has the concrete in the space. The reinforcing wall construction method according to any one of claims 1 to 11, wherein a confirmation window capable of confirming a placement state of the concrete in the space is made when placing the concrete.   The reinforcement according to any one of claims 1 to 12, wherein the building is an existing one, and the formwork is used to construct a reinforced concrete seismic reinforcement wall made on a wall surface of the existing building. Wall construction method.

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