WO2004079115A1 - 建築物の壁体構造 - Google Patents
建築物の壁体構造 Download PDFInfo
- Publication number
- WO2004079115A1 WO2004079115A1 PCT/JP2003/011288 JP0311288W WO2004079115A1 WO 2004079115 A1 WO2004079115 A1 WO 2004079115A1 JP 0311288 W JP0311288 W JP 0311288W WO 2004079115 A1 WO2004079115 A1 WO 2004079115A1
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- WO
- WIPO (PCT)
- Prior art keywords
- wall
- brick
- building
- bricks
- reinforcing member
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/42—Walls having cavities between, as well as in, the elements; Walls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/14—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
- E04B2/16—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2002/0202—Details of connections
- E04B2002/0243—Separate connectors or inserts, e.g. pegs, pins or keys
- E04B2002/0254—Tie rods
Definitions
- the present invention relates to a wall structure of a building, and more particularly, to a wall structure of a building, which is constructed by a distributed and unbonded prestress (DUP) method.
- the present invention relates to a wall structure of a building having an outer wall of a brick masonry structure.
- BACKGROUND ART Various construction methods such as wooden structures, reinforced concrete structures, steel frame structures, block masonry structures and the like are known.
- a brick masonry construction method of masonrying bricks (bricks) to construct a wall body is known.
- Brick made by firing clay at high temperature has received high praise for its design and aesthetic effects such as exterior walls, solid feeling, texture and color.
- Bricks also have excellent physical properties such as durability, sound insulation, fire resistance and heat storage. For this reason, bricks have long been popular around the world and have been widely used as wall materials for buildings for many years.
- the present inventor has proposed a distributed unpound prestress method (DUP method) as a dry masonry masonry construction method.
- This construction method is a brick masonry construction method in which bricks are stacked in multiple layers while introducing prestress by the fastening force of metal ports, and research on its practical application is still ongoing (Japanese Patent Application, Japanese Patent Application No. Hei 4—5 1 893, Japanese Patent Application No. 5—9 1 674, Japanese Patent Application No. 6—20 659, Japanese Patent Application 7—1 7 26 03, Japanese Patent Application Ganpei 8—43 0 14).
- the structures of the determined structural type are subjected to long-term loads (self-weight, loading loads) and short-term loads (earthquake loads, wind loads). Load).
- the inner walls made of construction materials manufactured according to the standards and specifications of foreign countries and relatively inexpensive building materials have sufficient resistance to short-term horizontal loads such as seismic loads. Difficult to demonstrate. For this reason, it is necessary to reinforce the inner wall or change the design, and as a result, there is a problem that the construction cost increases.
- the brick wall of the DUP method has been found to exhibit high resistance to short-term horizontal loads by recent studies.
- the brick wall of the conventional DUP method includes roof load Because it is built to support long-term vertical loads, 'if the brick wall also bears the short-term horizontal load of the building, the load that the brick wall will bear will increase significantly.
- the brick wall of the dry method (DUP method) described above like the outer wall of the wet method, has a prolonged period of the tile masonry process. Is a concern. Therefore, measures are required to lay bricks in an environment that is not easily affected by the weather, even when bad weather continues.
- the present invention appropriately uses both relatively inexpensive and low-strength construction materials such as imported materials and brick walls of a dry method (DUP method), and both of them appropriately bear a long-term vertical load and a short-term horizontal load.
- An object of the present invention is to provide a wall structure of a building.
- the present invention also includes a wall that mainly bears a long-term vertical load, and a wall that mainly bears a short-term horizontal load, and these walls cooperate to structurally withstand a design load.
- An object of the present invention is to provide a wall structure of a building exhibiting the above.
- the present invention further provides a wall structure or wall so that a brick masonry process and an interior construction process can be performed simultaneously, and a brick wall of a dry method (DUP method) can be constructed in a condition that is hardly affected by weather. The purpose is to improve the body construction method. Disclosure of the invention
- the present invention provides a method of stacking a tile and a metal plate, and tightening a fastener passing through a port of the brick, thereby forming upper and lower bricks under prestress of the fastener.
- An inner wall constructed inside the outer wall, and a shear reinforcing member interconnecting the outer wall and the inner wall,
- the inner wall is constructed as a wall of a dry construction method capable of supporting a roof load, an inner end of the shear reinforcing member is fixed to the inner wall, and an outer end of the shear reinforcing member is fixed by the fastener.
- the seismic force fixed to the outer wall and acting on the roof and the inner wall is transmitted to the outer wall via the shear reinforcing member, thereby providing a wall structure of a building.
- the wall structure of the building bears an element (inner wall) that bears a long-term vertical load such as its own weight and a loading load, and bears its own weight and a short-term horizontal load (such as seismic force and wind load). (Outer wall).
- Both elements work together to provide structural resistance.
- This structural concept is based on the conventional brick wall mainly intended for decorative effect (the brick wall is constructed by the wet method outside the inner wall that bears both short-term load and long-term load. Paying only its own weight) is a completely different concept.
- the concept of the present invention was made possible by the fact that it was found that the brick wall of the dry method (DUP method) exhibited a higher level of horizontal power resistance than originally expected. With a wall, such a concept of a building structure cannot be obtained. Further, according to the above configuration of the present invention, after the inner wall is constructed prior to the outer wall and the roof is constructed, the bricks of the outer wall can be masonry.
- the brick masonry process of the outer wall can be performed under the eaves of the roof, the problem of the brick masonry process, which is likely to be delayed due to the weather, is eliminated.
- the interior wall has already been constructed, so brick construction and interior construction can be performed simultaneously.
- the short-term horizontal load acting on the roof and the inner wall is transmitted to the outer wall via the shear reinforcing member, and the wind pressure is blocked by the outer wall and does not act on the inner wall.
- the inner wall only needs to exhibit the resistance to long-term vertical load such as roof load, and the problem of seismic resistance and wind resistance, which have been issues for imported housing materials or low-priced materials, will be resolved.
- the construction cost can be reduced by constructing the inner wall with imported housing materials or low-priced materials.
- one end of the shear reinforcing member is fixed to the upper surface of the brick or between the upper and lower bricks, and is fixed to the tile by the tightening force of the fastener.
- the other end of the shear reinforcing member is firmly fixed to the inner wall.
- the shear reinforcing member may be composed of an outer wall-side bracket (21) fixed between the upper and lower bricks of the brick and an inner wall-side bracket (22) fixed firmly to a structural member of the inner wall.
- the outer wall side bracket and the inner wall side bracket are interconnected so as to transmit stress.
- the present invention also relates to a wall structure of a building having a double wall structure of an outer wall and an inner wall,
- the outer wall has a resistance to bear its own weight of the outer wall and a short-term horizontal load acting on the outer wall and the inner wall, and the inner wall bears its own weight of the inner wall and a long-term vertical load acting on the inner wall.
- the outer wall and the inner wall are interconnected by a shear reinforcing member that transmits a shear force of the inner wall to the outer wall, and a short-term horizontal load acting on the inner wall is transmitted to the outer wall by the shear reinforcing member.
- the inner wall that mainly bears a long-term load and the outer wall that mainly bears a short-term load cooperate to structurally withstand a design load (short-term / long-term load). Because it exerts power, for example, inexpensive 2x4 wooden panels with relatively low seismic performance can be used for the inner wall.
- the outer wall is a brick set that laminates a brick and a metal plate, and tightens a fastener that penetrates a port of the brick to integrally interconnect the upper and lower bricks under the prestress of the fastener. It consists of a multi-wall structure.
- the short term allowable shear of the outer wall is proportional to the prestress applied to the fastener.
- N P Total prestress (force) introduced in the layer where slip occurs
- the brick wall of the outer wall is designed as an anti-seismic wall which is effective in this setting. Also, the seismic performance or effect of the brick wall can be arbitrarily set by setting the prestress appropriately. From another viewpoint, the present invention relates to a method for constructing a wall of a building,
- the upper and lower bricks are interconnected integrally under the prestress of the fastener by tightening a fastener that penetrates the port insertion hole of the brick,
- a shear reinforcing member for transmitting a short-term horizontal load acting on the inner wall to the outer wall is constructed, and the outer wall and the inner wall are interconnected by the shear reinforcing member.
- the brick masonry process can be performed under the roof eaves without being affected by rainfall.
- the interior construction work will proceed at the same time as the brick masonry work, thereby shortening the construction period.
- the accuracy of the brick masonry is improved because the previously constructed inner wall serves as a reference or ruler for the brick position at the time of brick masonry.
- the shear reinforcing member is fixed to the upper surface of the brick or between the upper and lower bricks by the tightening force of the brick fastener when the bricks are laid up to a predetermined number of steps. For this reason, the shear reinforcing member is fixed to the brick wall by the brick fastener without using special fasteners or locking tools, and firmly fixed to the brick wall by the tightening force of the fastener. Is done.
- the present invention provides, as an application thereof, a method of constructing a building wall which improves the earthquake resistance and wind resistance of an existing building. That is, the present invention relates to a method of constructing a wall of a building,
- a method for constructing a wall of a building characterized by interconnecting an outer wall.
- FIG. 1 is a schematic sectional view of a residential building provided with the wall structure of the present invention.
- FIG. 2 and 3 are cross-sectional views showing a brick masonry process of the outer wall.
- FIG. 4 (A) is a perspective view of a brick alone
- FIGS. 4 (B) and (C) are a perspective view and a front view showing a brick masonry state.
- FIG. 5 is a cross-sectional view showing a structure and an attaching method of the shear reinforcing hardware arranged at the uppermost ends of the outer wall and the inner wall.
- FIG. 6 is a perspective view showing the configuration of the shear reinforcing means arranged on the second floor.
- Fig. 7 is a diagram showing the loading test results (loading history curve) of the brick wall by the DUP method.
- Figure 8 is a diagram showing the test results (out-of-plane bending test results) on the out-of-plane rigidity of the brick wall by the DUP method.
- Figure 9 is a perspective view showing the construction process of a two-story house, showing the construction process of the foundation and the ground floor below the ground floor.
- FIG. 10 is a perspective view showing the process of building the inner wall of the first floor.
- FIG. 11 is a perspective view showing the construction process of the second floor set.
- FIG. 12 is a perspective view showing the process of the inner wall construction on the second floor.
- Fig. 13 is a perspective view showing the process of roof construction.
- FIG. 14 is a perspective view showing a brick masonry process on the outer wall of the first floor.
- FIG. 15 is a perspective view showing a brick masonry process on the second floor outer wall.
- Figure 16 is a perspective view of a two-story house showing the state at the time of completion of brick masonry work.
- FIG. 1 is a schematic sectional view of a residential building having the wall structure of the present invention.
- the building is composed of a foundation and a floor slab, an outer wall, an inner wall, a hut, a second floor and a ceiling.
- the outer wall 2 consists of a brick wall of the DUP construction method masonry on the foundation and the floor slab 1.
- the inner wall 3 is made of a wooden panel member used for a two-by-four wooden method and is built on a foundation and a floor slab 1.
- the hut 4 is supported on the upper end of the inner wall 3, and the roofing material is installed on the upper surface of the hut 4.
- the load of the hut 4 acts on the inner wall 3 as a vertical load, and is supported by the load bearing capacity of the inner wall 3.
- the outer end of the shear reinforcement 10 is fixed to the uppermost end of the outer wall 2 and extends horizontally to the inner wall 3 side.
- the inner end of the shear reinforcement metal 10 is bent downward at a right angle, and is connected to the upper end of the inner wall 3 by the port 31.
- the horizontal load (seismic force, etc.) acting on the hut 4 and the inner wall 3 is transmitted to the outer wall 2 via the shear reinforcing hardware 10, and is supported by the seismic force of the outer wall 2.
- a horizontal member 30 supporting the second floor set 5 and the upper floor inner wall 3 is connected to the intermediate height portion of the outer wall 2 by a middle floor shear reinforcing means 20 so that stress can be transmitted.
- the shear reinforcement means 20 is composed of an outer wall side bracket 21 fixed to the outer wall 2 and an inner wall side bracket 22 fixed to the horizontal member 30.
- the brackets 21 and 22 are interconnected together by a port and nut assembly (not shown).
- Horizontal loads (seismic force, etc.) acting on the inner wall 3 and the second floor set 5 are transmitted to the outer wall 2 via the brackets 21 and 22 and supported by the seismic force of the outer wall 2.
- 2 and 3 are cross-sectional views showing a brick masonry process of the outer wall 2.
- FIGS. 4 (B) and (C) are brick masonry states. Showing a perspective The bricks A: B of the outer wall 2 shown in the figure and the front view are stacked vertically as shown in FIG. 2, and a metal plate (horizontal reinforcing plate) 51 is interposed between the bricks A: B.
- the metal plate 51 has a width substantially the same as the width of the brick upper surface and a length substantially equal to the length of the brick alone.
- Each metal plate 51 is arranged so as to straddle two adjacent bricks. As shown in Fig.
- the bricks are laid in a staggered arrangement, and the upper and lower bricks are arranged at positions relatively displaced in the direction of the center of the wall by a half dimension.
- the port holes 53 of the metal plate 51 interposed between the upper and lower bricks A: B are aligned with the port holes 7 and the large-diameter through holes 8.
- the entire screw port 60 is inserted into the through hole 7, the through hole 8, and the through hole 53.
- Porto 60 has a height (length) equivalent to the overall height of the bricks A: B laminated in two layers.
- a long nut 70 into which the port 60 can be screwed is arranged in the hollow portion 80 of the through hole 8.
- the plate 51 is placed on the upper surface of the bricks A: B already masonry.
- the round washer 63 and the spring washer 62 are placed on the plate 51 so as to align with the port hole 53.
- the upper end of the Porto 6OA projects upward through the Porto through hole 53, the round washer 63 and the spring washer 62.
- the long nut 70 is screwed into the upper end of Porto 6OA.
- the upper end of Porto 6 OA is screwed into the lower half of the inner screw 71.
- a special removal tool 100 shown in phantom in FIG. 2 is used.
- the detachable tool 100 includes a portable driving unit 101, a socket 102 that can be selectively engaged with the bolt 60 and the long nut 70, and a base end of the socket 102.
- the socket 102 receives the long nut 70 and transmits the torque of the driving unit 101 to the long nut 70.
- the long nut 70 rotates in the screwing direction, and the long nut 70 rotates relative to the port 60 A, and is fastened to the upper end of the port 60 A.
- the upper brick C is further masoned on the lower brick: EB.
- the long nut 70 is accommodated in the hollow portion 80, and the metal plate 51 is laminated on the brick C. Furthermore, the upper brick D is laminated on the metal plate 51.
- the port 60B is inserted into the port 7 of the uppermost brick D, and the lower end of the port 60B is screwed into the long nut 70.
- the above-mentioned detachable tool 100 is used for tightening the port 600B to the long nut 70.
- the socket portion 102 of the demounting tool 100 receives the upper end of the port 60B and transmits the torque of the driving portion 101 to the port 60B.
- the port 60B rotates in the screwing direction, and as a result, the port 60B is fastened to the nut 70.
- the condition of the bricks A: B: C: D thus masonry is shown in FIGS.
- a series of port 60 and long nut 70 connected in series transmits the fastening torque of the upper layer port 60 and long nut 70 to the lower layer port 60 and long nut 70.
- the lower layer port 60 and the longer nut 70 are screwed with a stronger fastening torque as the brick 1 is laid on the upper layer.
- the lower layer Porto 60 and the brick 1 are subjected to a considerably high prestress, and as a result, the stiffness and toughness of the outer wall 2 against horizontal and vertical exciting forces are substantially improved.
- the brick D shown in FIG. 5 is shown as a brick located at the uppermost end of the outer wall 2.
- the shear reinforcing hardware 10 is formed of an integral metal plate having a horizontal portion 11 and a vertical portion 12.
- the horizontal portion 11 includes a port through hole 13 through which the port 60 (60B) can pass.
- the round washer 63 and the spring washer 62 are placed on the horizontal part 11 so as to be aligned with the port 1 through hole 13.
- the upper end of Porto 60B projects upward through Porto through hole 13, Round washer 63 and Spring washer 62.
- the long nut 70 is screwed into the upper end of the port 60B.
- the fastening tool 100 described above is used for tightening the long nut 70.
- the vertical portion 12 includes a port 1 through hole 14. As shown in FIG. 1, the entire screw port 31 projecting toward the outer wall is fixed to the upper end of the inner wall 3 on the second floor.
- the vertical wall 12 is positioned on the side of the upper end of the inner wall 3 so that the protruding end portion of the entire screw port passes through the port hole 14 of the vertical portion 12.
- a nut (indicated by an imaginary line) is fastened to the tip of the entire screw port 31 (indicated by an imaginary line) penetrating the hole 14.
- the shear reinforcing hardware 10 is integrally connected to the upper end of the second-floor inner wall 3 by tightening a nut.
- the shear reinforcement metal 10 connects the upper end of the outer wall 2 and the upper end of the second-floor inner wall 3 so that stress can be transmitted.
- FIG. 6 is a perspective view showing the structure of the middle-floor shear reinforcement means 20 arranged on the second floor.
- the shear reinforcing means 20 is arranged at the same height as the horizontal member 30, and interconnects the middle part of the outer wall 2 and the horizontal member 30 so that stress can be transmitted.
- the metal bracket 21 is arranged on the upper surface of the brick when the brick is laid to a predetermined height.
- the bracket 21 includes a horizontal part 24 and an inclined part 25.
- the horizontal portion 24 has a total length that spans a plurality of bricks and is positioned on the upper surface of the brick.
- the inclined portion 25 is inclined upward at a predetermined angle with respect to the horizontal portion 24 and extends toward the inner wall 3.
- port holes 26 through which bolts 60 can pass are formed at predetermined intervals. The upper end of the porto 60 projects upward through each port hole 26 of the horizontal portion 24.
- the long nut 70 is, as mentioned above, It is fastened to the port 60 at a predetermined position by the detachment tool 100.
- the horizontal part 22 is permanently fixed to the upper surface of the brick by the fastening force of the long nut 70.
- the vertical portion 27 of the metal bracket 22 is fixed to the side surface of the horizontal member 30.
- the port 33 protruding from the side surface of the horizontal member 30 penetrates a bolt hole (not shown) formed in the vertical portion 27.
- the nut 34 is fastened to the tip of the port 33.
- the vertical portion 27 is integrally fixed to the horizontal member 30 so that stress can be transmitted by the tightening force of the nut 34.
- the inclined portion 28 of the metal bracket 22 extends from the lower end of the vertical portion 27 toward the outer wall 2.
- the inclination angle of the inclined portion 28 matches the inclination angle of the inclined portion 25.
- the inclined portions 28, 25 overlap each other in the hollow region between the inner wall 3 and the outer wall 2. Portions (not shown) are formed at predetermined intervals in the overlapping area of the inclined portions 28, 25, and the inclined portions 28, 25 are formed in the port / nut assembly 29. Is firmly linked by The port / nut assembly 29 includes a port 29 a passing through a port hole and a nut 29 b fastened to the port 29 a. On the horizontal part 24, bricks are further laid.
- FIG. 7 is a diagram showing a loading test result (loading history curve) of the DUP brick wall constituting the outer wall 2. The loading history curve shown by the solid line in Fig.
- FIG. 7 shows the relationship between the horizontal load acting on the brick wall and the shear deformation angle of the brick wall.
- the load history curve of pure steel frame (“Rahmen" frame) is shown by a broken line in the diagram of FIG.
- the vertical axis plane for short-term permissible shear force Q AS It indicates the ratio of the horizontal load Q (QZQAS), and the horizontal axis indicates the shear deformation angle.
- the brick walls used in the experiment were masonry using Ml 2 steel port, and 7. OkNZ prestresses were uniformly applied to each port. As shown in Fig.
- the loading history curve of the brick wall is generally similar to the loading history curve of the steel structure, and shows a stable steady loop of a spindle shape. This is thought to be due to slippage between the brick and the plate, which absorbs short-term horizontal loads such as seismic force, inside the dry material structure composed of the metal plate and the brick.
- the wall responds flexibly to short-term horizontal loads due to such slippage, avoiding the total destruction or collapse of the wall.
- the brick wall has a high energy absorption capacity and has a resistance to a large seismic force that does not cause the entire wall to be destroyed or collapsed.
- the short-term allowable shear force of the brick wall is set to a condition that does not allow plastic deformation due to slippage to ensure a high safety factor up to the ultimate strength (Q / Q AS ⁇ 1).
- the shear stress-deformation angle analysis formula used for the design of the brick wall is as follows.
- Shearing angle of wall body Shear stress
- G Shear modulus of dry material structure (structure composed of bricks, plates and port nuts)
- the distance (short distance to f) (short-term allowable shear stress) is determined by the prestress introduced into the port and is calculated by the following equation (3).
- N P Total prestress (force) introduced in the layer where slip occurs
- FIG. Figure 8 shows the test results (out-of-plane bending test results) on the out-of-plane rigidity of the brick wall that constitutes the outer wall 2.
- FIG. Figure 8 shows the bending stress acting on the brick wall as a result of the horizontal load acting perpendicular to the wall. Increasing the out-of-plane load (eg, wind pressure) perpendicular to the brick wall will Begins to bend and deform, and a slight gap is created between the upper and lower bricks on the tension side wall (tensile edge opening point).
- out-of-plane load eg, wind pressure
- the curve showing the relationship between the deformation angle and the bending stress degree has a gentle slope (the slope decreases) from the point where the rigidity decrease point is exceeded, as if plasticity It shows a tendency similar to the relationship between deformation angle and bending stress in the deformation region.
- the wall upon release of the out-of-plane load, the wall is restored to its initial state and the residual strain or residual deformation is very small. This is due to the prestress introduced in Porto.
- the brick wall is substantially deformed to a considerable degree by a short-term horizontal load acting in an out-of-plane direction such as wind pressure.
- FIGS. 9 to 16 are perspective views schematically showing the construction process of a two-story house.
- the inner wall 3 is constructed before the brick wall of the outer wall 2 is constructed.
- the first-floor inner wall assembling process shown in Fig. 9 and Fig.
- the wooden panel members 3a constituting the first-floor inner wall 3 are placed on the foundation and floor slab 1. It will be built sequentially.
- the second floor set 5 is assembled, the second floor inner wall 3 is built using the same wooden panel members as the first floor inner wall, and as shown in FIG. Set 4 and the roof will be built on the inner wall 3 of the second floor. Since the inner wall 3 has sufficient load resistance (durability against vertical load) to withstand a vertical load, the structure in which the inner wall 3, the hut group 4 and the second floor group 5 are constructed is transiently stable. As shown in FIG.
- bricks of the outer wall 2 are masonry in the outer peripheral zone of the foundation and the floor slab 1 by the above-mentioned DUP method. Since hut 4 has already been constructed, masonry work on bricks is not easily affected by the weather, and curing of bricks against rainwater is exceptional. Not required. Since the brick masonry work is performed under the eaves environment that is not easily affected by rainfall, the delay of brick masonry work due to rainfall can be avoided. In addition, since the inner wall 3 has already been constructed, interior work such as indoor boarding work can be performed simultaneously with the brick masonry process of the outer wall 2. Therefore, the construction period can be shortened by the simultaneous progress of the brick masonry process and the interior construction process. As shown in FIG.
- the inner wall 3 supports vertical loads such as the weight of the inner wall 3, the load of the hut 4, the load on the second floor and the load on the building, and the seismic load acting on the inner wall 3 is as follows. It is transmitted to the outer wall 2 via the shear reinforcing hardware 10 and the shear reinforcing means 20 and is supported by the outer wall 2. Further, the outer wall 2 blocks the wind ffi acting on the inner wall 3, so that the wind pressure does not act on the inner wall 3. Therefore, since the inner wall 3 only needs to bear substantially the vertical load, the inner wall 3 can be constructed of a relatively low-strength wooden panel member having insufficient earthquake resistance and wind resistance.
- the above configuration of the present invention can be applied to the renovation or reinforcement of an existing building having insufficient earthquake resistance and wind resistance.
- Buildings usually exist with their walls carrying both long-term loads, such as their own weight and payload, and short-term loads, such as seismic and wind pressure.
- long-term loads such as their own weight and payload
- short-term loads such as seismic and wind pressure.
- buildings in the past deteriorate over time and reduce their power resistance.
- buildings constructed in the past often do not have sufficient seismic resistance and wind resistance unlike current buildings.
- the wall 3 and the hut combination 4 shown in Fig. 13 are grasped as the outer wall and the roof of the existing building, and an application example in which the configuration of the present invention is applied to the renovation of the existing building will be described below.
- the existing wall 3 supports long-term vertical loads, such as its own weight, the load of the hut 4, the load of the second floor, and the load of the building. Supports short-term horizontal loads such as seismic and wind loads acting on buildings.
- an outer wall 2 of a brick masonry structure using the DUP method will be newly constructed outside the building. More specifically, a foundation 1 for supporting the lowermost stage of the brick is constructed along the lower end of the existing wall 3 as shown in Fig. 13 and the outer wall 2 of the brick masonry structure is constructed as shown in Fig. 14 , As shown in FIGS. 15 and 16. In the process of constructing the outer wall 2 (FIGS.
- the shear reinforcing metal 10 and the shear reinforcing means 20 are attached to the brick wall 2, and the existing wall 3 is connected to the outer wall 2.
- the seismic force acting on the existing building is transmitted to the newly installed outer wall 2 by the shear reinforcing hardware 10 and the shear reinforcing means 20, and is supported by the outer wall 2. Since the outer wall 2 blocks the wind pressure acting on the existing wall 3, the wind pressure does not act on the existing wall 3. Therefore, the existing building after the outer wall 2 is constructed is released from short-term horizontal loads such as seismic force and wind pressure, and only needs to support long-term loads.
- the existing building is reinforced by the construction of the brick masonry exterior wall 2. As described above, the preferred embodiments of the present invention have been described in detail.
- shear reinforcing hardware 10 and the shear reinforcing means 20 may be further provided between the second floor level and the hut level, or between the second floor level and the foundation level.
- the workability at the time of mounting the shear reinforcing hardware 10 and the brackets 21 and 22 and the slight relative displacement between the shear reinforcing hardware 10 and the brackets 21 and 22 and the inner wall 3 and the outer wall 2 or the bracket 2 Taking into account the relative displacement, etc. between 1 and 2, shear holes 10 and brackets 21 and 22 are loose holes or slots. It can be designed in the form of a cut-out hole Industrial applicability
- the wall structure of the building which used both the brick wall of the DUP construction method, and the comparatively low-strength or low-cost construction materials, such as a specification of another country or a low price, is provided.
- the brick wall of the DUP method has sufficient earthquake resistance and wind resistance to bear the short-term horizontal load of the building. Since the brick wall of the DUP method bears its own weight and short-term horizontal load, the inner wall should bear its own weight and long-term vertical load. Therefore, the construction cost can be reduced by constructing the inner wall with imported housing materials or low-priced materials.
- the wall structure or the wall construction method of the present invention it is possible to shorten the period by simultaneously proceeding with the brick masonry process and the interior construction process, and in the environment under the eaves of a hut which is hardly affected by the weather.
- Brick walls can be constructed.
- the wall structure of the present invention is applicable to a wall having any structure.
- the outer wall bears the weight of the outer wall and the short-term horizontal load acting on the outer wall and the inner wall
- the inner wall bears the weight of the inner wall and the long-term vertical load acting on the inner wall. It has resistance to heat. Long-term vertical loads, such as the load on the roof and upper floors, and the load capacity, are supported by the inner walls.
- the seismic load acting on the inner wall is transmitted to the outer wall by the shear reinforcing members and is supported by the outer wall, and the wind load only acts on the outer wall.
- the inner and outer walls cooperate to provide structural resistance to the design load, and in particular seismic or wind loads (ie, short-term horizontal loads) have substantially no effect on the inner wall, and therefore
- the inner wall can be constructed of relatively low-strength or inexpensive construction materials such as those of other countries or low-priced specifications.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
- Finishing Walls (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020057015631A KR101131364B1 (ko) | 2003-03-06 | 2003-09-04 | 건축물의 벽체구조 |
AU2003271053A AU2003271053B2 (en) | 2003-03-06 | 2003-09-04 | Wall construction of architectural structure |
US10/548,306 US7836646B2 (en) | 2003-03-06 | 2003-09-04 | Wall construction of architectural structure |
CA2520200A CA2520200C (en) | 2003-03-06 | 2003-09-04 | Wall construction of architectural structure |
NZ542580A NZ542580A (en) | 2003-03-06 | 2003-09-04 | Wall construction of architectural structure |
EP03816171A EP1612341A4 (en) | 2003-03-06 | 2003-09-04 | CONSTRUCTION OF A WALL OF ARCHITECTURAL STRUCTURE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-60551 | 2003-03-06 | ||
JP2003060551A JP3673517B2 (ja) | 2002-03-06 | 2003-03-06 | 建築物の壁体構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004079115A1 true WO2004079115A1 (ja) | 2004-09-16 |
Family
ID=32958887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/011288 WO2004079115A1 (ja) | 2003-03-06 | 2003-09-04 | 建築物の壁体構造 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7836646B2 (ja) |
EP (1) | EP1612341A4 (ja) |
KR (1) | KR101131364B1 (ja) |
CN (1) | CN100335726C (ja) |
AU (1) | AU2003271053B2 (ja) |
CA (1) | CA2520200C (ja) |
NZ (1) | NZ542580A (ja) |
TW (1) | TWI326321B (ja) |
WO (1) | WO2004079115A1 (ja) |
Cited By (1)
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CN101228100B (zh) * | 2005-06-28 | 2012-05-09 | 独立行政法人科学技术振兴机构 | 圬工单元的成形方法 |
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- 2003-09-04 NZ NZ542580A patent/NZ542580A/en not_active IP Right Cessation
- 2003-09-04 KR KR1020057015631A patent/KR101131364B1/ko not_active IP Right Cessation
- 2003-09-04 WO PCT/JP2003/011288 patent/WO2004079115A1/ja active Application Filing
- 2003-09-04 CN CNB038261030A patent/CN100335726C/zh not_active Expired - Fee Related
- 2003-09-04 US US10/548,306 patent/US7836646B2/en not_active Expired - Fee Related
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CN101228100B (zh) * | 2005-06-28 | 2012-05-09 | 独立行政法人科学技术振兴机构 | 圬工单元的成形方法 |
Also Published As
Publication number | Publication date |
---|---|
AU2003271053B2 (en) | 2008-09-25 |
TWI326321B (en) | 2010-06-21 |
US7836646B2 (en) | 2010-11-23 |
TW200417664A (en) | 2004-09-16 |
KR101131364B1 (ko) | 2012-04-04 |
NZ542580A (en) | 2007-03-30 |
AU2003271053A1 (en) | 2004-09-28 |
CA2520200A1 (en) | 2004-09-16 |
CN100335726C (zh) | 2007-09-05 |
CN1751160A (zh) | 2006-03-22 |
CA2520200C (en) | 2011-08-23 |
EP1612341A4 (en) | 2010-09-15 |
US20060272245A1 (en) | 2006-12-07 |
KR20050102138A (ko) | 2005-10-25 |
EP1612341A1 (en) | 2006-01-04 |
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