WO2006006323A1 - 木造建築物開口部における耐震用フレーム - Google Patents
木造建築物開口部における耐震用フレーム Download PDFInfo
- Publication number
- WO2006006323A1 WO2006006323A1 PCT/JP2005/010328 JP2005010328W WO2006006323A1 WO 2006006323 A1 WO2006006323 A1 WO 2006006323A1 JP 2005010328 W JP2005010328 W JP 2005010328W WO 2006006323 A1 WO2006006323 A1 WO 2006006323A1
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- Prior art keywords
- frame
- fiber
- sheet
- column
- gate
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0237—Structural braces with damping devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/2644—Brackets, gussets or joining plates
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/2644—Brackets, gussets or joining plates
- E04B2001/2648—Brackets, gussets or joining plates located in slots of the elongated wooden members
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/2652—Details of nailing, screwing, or bolting
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/268—Connection to foundations
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/2692—End to end connections of elongated members along their common longitudinal axis
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B2001/2696—Shear bracing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G2023/0251—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements
Definitions
- the present invention relates to a wooden frame structure that imparts earthquake resistance to an opening of a wooden building by a frame wall method and a frame method.
- the wooden frame structure of the present invention is basically a frame having a gate shape or a box shape, and is reinforced by sticking a fiber sheet to a joint or the like. This will eliminate the unbalancing of the proof walls in existing and new wooden buildings, and improve the earthquake resistance of the entire building.
- a safe building can be realized with the minimum required wall magnification and floor magnification.
- the earthquake-resistant wooden frame of Patent Document 1 is a gate-shaped or box-shaped shape that is formed by joining members originally made in an L-shape.
- the earthquake-resistant wooden frame of Patent Document 2 is formed by joining two square members to form an L-shaped member, and then joining a plurality of L-shaped members into a portal or box shape. is there.
- a joining metal fitting that exerts a force for pulling members together is used in the joint portion of the L-shaped member itself and the joint portion of the L-shaped members.
- Patent Document 1 Japanese Patent No. 2946299
- Patent Document 2 Japanese Patent Laid-Open No. 2004-285817
- a frame that is attached to an opening of a wooden building, particularly a large opening for earthquake resistance, can be easily manufactured regardless of the shape of the gate or other shapes. Development of products that can be installed is considered essential. Such a frame is considered to have a divided structure.
- the current technology has the following problems.
- the former portal frame is a force added to the building structure frame
- the latter portal frame is a part of the building structure frame.
- the force of the former portal frame supported by the opening The latter portal frame is self-supporting.
- a portal frame with a configuration that can be used in common with any of these types is provided.
- the present invention has the following objects.
- the size of one piece is made small and lightweight. In this case, it divides
- the present invention that achieves the above object provides the following configuration.
- the seismic-proof gate frame according to claim 1 is a wooden seismic-proof gate-type frame that is attached in an assembled form to the opening of a wooden building by the frame wall construction method.
- a pair of column frames, a beam frame horizontally installed between the upper ends of each of the column frames, and a column base attached to the lower end of each of the column frames, and the column frame and the beam frame are
- the sheet is rigidly bonded by a fiber sheet having a high tensile strength, which is bonded with an adhesive, and the fiber sheet has a fiber direction in only one direction parallel to the longitudinal direction, and is parallel to and perpendicular to the longitudinal direction.
- the seismic gate-type frame according to claim 2 is the pillar frame and the beam frame according to claim 1, Are rigidly joined by the fiber sheet and the metal fitting.
- the portal frame for earthquake resistance according to claim 4 is the sheet according to claim 1 or 2, wherein the fiber sheet is a sheet having the fiber direction in only one direction or the two parallel and vertical directions. In the case of a sheet having a fiber direction, a plurality of the fiber sheets are stacked and adhered.
- the seismic gate-type frame according to claim 5 is characterized in that, in claim 2, the metal fitting is a metal fitting that generates a force to draw the column frame and the beam frame together. .
- a seismic portal frame is a wooden seismic portal frame that is attached in an assembled form to an opening of a wooden building by a frame wall method.
- the frame is rigidly joined by a fiber sheet with high tensile strength that is bonded with an adhesive, and the beam frame is divided into two or three parts. It is characterized in that the beam frame pieces are pin-joined by metal fittings.
- the seismic gate-type frame according to claim 7 is characterized in that, in claim 6, the column frame and the beam frame are rigidly joined by the fiber sheet and the metal fitting. .
- the portal frame for earthquake resistance according to claim 8 is the sheet according to claim 6 or 7, wherein the fiber sheet has a fiber direction of only one direction parallel to the longitudinal direction, and the longitudinal direction.
- Group force including sheets with two parallel and perpendicular fiber directions and sheets with two different fiber directions inclined in two different directions with respect to the longitudinal direction must also be one of the selected sheets. It is characterized by.
- the seismic portal frame according to claim 10 is the fiber according to claim 6 or 7.
- the sheet is a sheet having only one fiber direction or a sheet having two parallel and perpendicular fiber directions, a plurality of the fiber sheets are laminated and pasted.
- a seismic gate-type frame according to claim 11 is characterized in that, in claim 6 or 7, the metal fitting for pin-joining the adjacent beam frame pieces has a force to draw them together. It is a metal fitting that is generated.
- the metal fitting for pin-joining the column frame and the beam frame according to claim 7 is a metal fitting that generates a force for pulling them together.
- a seismic box frame according to claim 13 is a wooden seismic box frame attached in an assembled form to an opening of a wooden building by a framed wall method, 4 L-shaped frames joined to form a mold, and a first metal fitting for joining the L-shaped frames adjacent to each other, and each of the L-shaped frames has a vertical frame piece and a vertical frame piece.
- the vertical frame piece and the horizontal frame piece are rigidly joined to each other by a second metal fitting and a fiber sheet having a high tensile strength that is bonded with an adhesive.
- the first bracket is a bracket that generates a force that pulls the L-shaped frames together
- the second bracket is a bracket that generates a force that pulls the vertical frame piece and the horizontal frame piece, and the fiber.
- Sheet with a single fiber direction parallel to the longitudinal direction, fiber direction in two directions parallel and perpendicular to the longitudinal direction A group force including a sheet having a direction and a sheet having two fiber directions inclined in two different directions with respect to the longitudinal direction is also a selected sheet.
- the seismic box-shaped frame according to claim 14 is the frame according to claim 13, wherein the fiber sheet is a sheet having two inclined fiber directions, and the inclination angle is 30 to 60 degrees. It is characterized by being.
- the seismic box-type frame according to claim 15 is the seismic box-type frame according to claim 13, wherein the fiber sheet is a sheet having the fiber direction in only one direction or the fiber directions in the parallel and perpendicular directions. In the case of a sheet having a plurality of sheets, a plurality of the fiber sheets are laminated and adhered.
- the seismic box-shaped frame according to claim 16 is characterized in that, in claim 13, the opening is It is provided on the roof, wall corner or floor.
- the seismic portal frame according to claim 17 is a wooden seismic portal frame that is attached in an assembled form to an opening of a wooden building by a conventional frame construction method.
- the frame and the beam frame are rigidly joined by a fiber sheet having a high tensile strength that is bonded with an adhesive, and the beam frame is divided into two or three beams to form a single force.
- the adjacent beam frame pieces are pin-joined by metal fittings.
- the seismic-proof portal frame according to claim 18 is characterized in that, in claim 17, the column frame and the beam frame are rigidly joined to each other by the fiber sheet and a metal fitting. .
- the seismic portal frame according to claim 19 is the gate frame according to claim 17 or 18, wherein the fiber sheet is a sheet having only one fiber direction parallel to the longitudinal direction, parallel to the longitudinal direction, and Selected from the group comprising a sheet with two perpendicular fiber directions and a sheet with two fiber directions inclined in two different directions with respect to the longitudinal direction! Features.
- the inclination angle is 30 to 60 degrees. It is characterized by being.
- the seismic portal frame according to claim 21 is the gate frame according to claim 17 or 18, wherein the fiber sheet has a fiber direction in only one direction or the two parallel and perpendicular fiber directions. In the case of a sheet having, a plurality of the fiber sheets are stacked and pasted.
- the seismic-proof gate-type frame according to claim 22 is the bracket according to claim 17 or 18, wherein the metal fitting for pin-joining the adjacent beam frame pieces generates a force for pulling them together. It is characterized by.
- the seismic-proof portal frame according to claim 23 is characterized in that, in claim 18, the metal fitting for joining the column frame and the beam frame is a metal fitting that generates a force for pulling them together. It is a sign.
- a seismic gate-type frame according to claim 24 is a wooden structure to be attached in an assembled form in which an opening is formed as a part of a structural frame of a wooden building by a conventional shaft construction method.
- the seismic gate-type frame has a pair of side-by-side column frames, a beam frame horizontally mounted between the upper ends of the column frames, and a column base hardware attached to the lower ends of the column frames.
- the column frame and the beam frame are rigidly joined to each other by a first fiber sheet having a high tensile strength adhered with an adhesive, and the beam frame piece is divided into two or three.
- a second receiving material for the column of the structural frame provided in contact with the upper surface of the beam frame. Characterized in that it has a.
- the seismic portal frame according to claim 25 is characterized in that, in claim 24, the column frame and the beam frame are rigidly joined to each other by the first fiber sheet and a metal fitting.
- the seismic portal frame according to claim 26 is the gate frame according to claim 24 or 25, wherein the first fiber sheet has a fiber direction only in one direction parallel to the longitudinal direction. Selected from the group comprising a sheet with two fiber directions parallel and perpendicular to the longitudinal direction and a sheet with two fiber directions inclined in two different directions with respect to the longitudinal direction !, in any sheet It is characterized by being.
- the inclination angle is 30. It is ⁇ 60 degrees.
- the seismic portal frame according to claim 28 is the gate frame according to claim 24 or 25, wherein the first fiber sheet is a sheet having the fiber direction in only one direction or the two parallel and perpendicular directions. In the case of a sheet having a fiber direction, a plurality of the first fiber sheets are stacked and adhered.
- the portal frame for earthquake resistance according to claim 29 further includes a second fiber sheet attached to the joint portion between the beam frame pieces with an adhesive according to claim 24 or 25. It is characterized by this.
- the gate frame for earthquake resistance according to claim 30 is the second fiber sheet according to claim 29.
- the sheet has a fiber direction in only one direction parallel to the longitudinal direction, a sheet having two fiber directions parallel and perpendicular to the longitudinal direction, and two inclined at two different directions with respect to the longitudinal direction.
- the group force including the sheet having the fiber direction of the direction is also any one of the selected sheets.
- the second fiber sheet is a sheet having only one fiber direction or a sheet having two parallel and perpendicular fiber directions
- a plurality of the second fiber sheets are laminated and pasted. It is characterized by.
- the gate frame for earthquake resistance according to claim 33 is the third fiber sheet according to claim 24 or 25, wherein the third fiber sheet is adhered to either or both of the upper surface and the lower surface of the beam frame. It is characterized by further having a head.
- the seismic gate-type frame according to claim 34 is the gate frame according to claim 33, wherein the third fiber sheet is a sheet having only one fiber direction parallel to the longitudinal direction.
- Group force including sheets with two parallel and perpendicular fiber directions and sheets with two different fiber directions inclined in two different directions with respect to the longitudinal direction must also be one of the selected sheets. It is characterized by.
- the metal fitting for pin-joining the adjacent beam frame pieces according to claim 24 or 25 is a metal fitting that generates a force for pulling them together. It is characterized by.
- the seismic-proof portal frame according to claim 37 is characterized in that, in claim 25, the metal fitting for joining the column frame and the beam frame is a metal fitting that generates a force for pulling them together. It is a sign. The invention's effect
- the present invention provides a simple joining bracket and a high tensile strength bonded with an adhesive at the corners where the member pieces forming the gate-shaped or box-shaped frame are joined in an L shape.
- the moment M due to the horizontal load on the horizontally arranged beam frame becomes zero at the midpoint. Therefore, no moment is generated even if a joint is provided at the center of the beam frame. As a result, the central part of the beam frame can be divided. It is possible to pin-join the divided beam frame pieces with simple metal fittings.
- the portal frame of the present invention can be used in common for both the portal frame incorporated in the opening and the self-supporting portal frame forming the opening itself.
- Figure 1 shows how a wooden seismic frame according to the present invention is assembled into a wooden building by the frame wall method. It is a figure which shows typically the situation which sees in schematically. The same applies when incorporating into a wooden building by the wooden panel method.
- a part of the construction process of the wooden building 50 by the frame wall method (two-by-four method) will be outlined with reference to Fig. 1.
- a foundation 55 (a part of the rising force S) is laid on a foundation 55 to construct a floor (not shown), and then a stud 51 is erected and a plywood is stretched on the outside to construct a wall 51 ( Framing).
- the roof 52 is completed by installing talc over the eaves and applying plywood in the same way.
- the wooden building 50 in FIG. 1 has, for example, a wall opening 51a provided in the wall 51, a roof opening 52a provided in the roof 52, and the like.
- the wall opening 51a is a window, for example, it is surrounded on all sides by secondary stud materials (a combination of several pieces) installed on the left and right sides, and floor joists, madasa or head joints installed on the top and bottom respectively.
- the wall opening 51a is an entrance or a garage, it is surrounded on three sides by sub studs (a combination of several) installed on the left and right sides, floor joists, masa and head joints installed on the upper side.
- the roof opening 52a is the same as the window of the wall opening 51a.
- FIG. 10 There are two types of wooden seismic frames according to the present invention, which are distinguished from each other in shape: one is a portal frame 10 and the other is a box frame 30. These are properly used according to the application location. Generally, when the wall opening 51a is a large opening such as an entrance or a garage, the gate frame 10 is incorporated, and when the wall opening 51a is a window, the box frame 30 is incorporated. A box frame 30 is incorporated in the roof opening 52a.
- the gate-type frame 10 and the box-type frame 30 shown in FIG. 1 are of the type attached to the opening of the structural frame of the wooden building 50. In the application method of the seismic frame according to the present invention, it is assembled in a gate shape or box shape, and the assembled state is attached to the opening.
- FIG. 2 is a perspective view showing an embodiment of the portal frame 10 attached to the inside of the wall opening 51a of the wooden building by the frame wall construction method.
- the wall opening 51a shown in FIG. 2 is, for example, a first floor entrance or a garage.
- the type of the opening frame material 51b forming the four-sided enclosure is different between the wall opening 51a on the first floor and the wall openings on the second and higher floors in the building.
- the lower side of the wall opening 51a is the foundation 54 or foundation 55.
- the portal frame 10 can be attached to the wall opening on any floor, and the attachment method is the same.
- the portal frame 10 shown in FIG. 2 is fitted and fixed in the wall opening 51 a in a preassembled form as shown.
- the gate-type frame 10 is horizontally mounted between a pair of side-by-side column frames 12, a column base 13 attached to the lower ends of each of these column frames, and the upper ends of the two column frames 12.
- a fiber sheet 14 having high tensile strength. This fiber sheet will be described in detail in FIGS. 4A to 5B described later.
- a corner bolt hole 12b is formed at the upper end 12a of the column frame 12.
- Bolt holes (not shown) are also formed in the end face of the beam frame 11 so as to be continuous with the corner bolt holes 12 b.
- the beam frame 11 is also provided with a corner bolt hole 11a penetrating in the front-rear direction.
- Tensile fittings 15b are embedded in the corner bolt holes 11a. The tension bolt 15a passes through the corner bolt hole 12b and the bolt hole (not shown) of the beam frame 11, and is screwed into the screw hole of the tension fitting 15b.
- the column base metal 13 has a box portion 13a and a vertical plate portion 13b erected on the upper surface thereof.
- the vertical plate portion 13b is inserted into the lower slit 12i of the column frame 12, and is fixed by a drift pin 15d passing through the leg pin hole 12d.
- Bolt holes 13c are formed in the bottom surface of the box portion 13a.
- anchor bolts 15e are embedded in advance on the concrete surface of the foundation 54. Fix the anchor bolt 15e through the bolt hole 13c. In the case of the second floor or more, the same fixing bolt as the anchor bolt 15e is installed on the floor beam.
- bolt holes 12c for attachment are formed in the column frame 12 at predetermined intervals.
- a bolt 15e such as a lag screw bolt is passed through the bolt hole 12c and fixed to the opening frame member 51b.
- the upper end 12a of the column frame 12 of the portal frame 10 and the beam frame 11 are joined using various joining fittings. This joint forms an L-shaped corner.
- the joining bracket generates a force that pulls the column frame 12 and the beam frame 11 toward each other.
- FIGS. 3A to 3G are partial enlarged perspective views showing various embodiments of the joining tool at the joint portion between the column frame 12 and the beam frame 11 when the column frame is won.
- a tensile metal fitting 15b with a round steel thread is embedded in the vicinity of the right end of the beam frame 11 in the upper and lower stages.
- the tension bolt 15a penetrates substantially horizontally from the outer surface of the column frame 12, and is screwed with the tension fitting 15b.
- each of the tension fittings 15b embedded in the upper and lower stages near the right end of the beam frame 11 receives a plurality of tension bolts 15a. Therefore, the tension fitting 15b is internally threaded at a plurality of locations.
- the tension fitting 15b is embedded vertically from the upper surface of the beam frame 11.
- the tension bolt 15a penetrated from the outer surface of the column frame 12 is screwed with the tension fitting 15b.
- the resistance against tensile force is improved by embedding the tension fitting 15b perpendicular to the laminating direction of the lamina.
- a tensile metal fitting 15b is embedded in the upper and lower stages near the right end of the beam frame 11. Then, the two tension bolts 15a, which are also obliquely inserted into the outer surface force of the column frame 12, are screwed into the respective tension fittings 15b. The two tension bolts 15a cross each other when viewed from the front. In this embodiment, a force that draws from bottom to top and from top to bottom is generated, which is further effective.
- a substantially front L-shaped steel plate member 15f is inserted into the corner slits l lb and 12e pre-cut with respect to the beam frame 11 and the column frame 12, respectively.
- the plate fitting 15f has a plurality of pin holes 15fl. The positions of these pin holes 15fl correspond to the plurality of pin holes l lf and 12f drilled in the beam frame 11 and the column frame 12, respectively. After inserting the plate fitting 15f, place the drift pin 15g in the pin holes l lf and 12f. As a result, the beam frame 11 and the column frame 12 are securely joined.
- a joining fitting 15h is used to draw and join the beam frame 11.
- the joining metal fitting 15h is provided with a substantially rectangular plate, and its left side is not vertical but inclined.
- An L-shaped steel flange 15h2 is welded to the vertical right side and the horizontal lower side.
- a wood touch pipe 15h3 is welded to the inclined left side.
- the inclination of the wood-tack pipe 15h3 is the direction of approaching the column frame 12 as it is directed downward from above.
- the flange 15h2 is fixed to the column frame 12 with a tension bolt 15a.
- the corner slit 1 lb and the pipe hole 1 lc are pre-cut in the beam frame 11 so as to be fitted to the joint fitting 15h.
- the beam frame 11 is provided with a notch l id for accommodating a protruding portion such as a tightening nut of the tension bolt 15a.
- a flange 15h2 is also accommodated in the notch l id.
- the wood tack noive 15h3 provided in an inclined manner causes the beam frame 11 to connect the column frame 1 Pull in two directions. Thereafter, the drift pins 15g are driven into the plurality of pin holes 15hl provided in the joint metal fitting 15h and the pin holes 1 If of the beam frame 11 corresponding thereto. Semi-rigid joining is realized by using the 15h joint.
- FIGS. 3H to 3K are partial perspective views showing various embodiments of the joining tool at the joint portion between the column frame 12 and the beam frame 11 when the beam frame is won.
- the height of the opening can be easily secured even if the beam frame is large.
- the tension fitting 15b is embedded horizontally in the front-rear direction.
- the tension bolt 15a is inserted from the upper surface of the beam frame 11, and is screwed into the tension fitting 15b.
- one tension fitting 15b receives a plurality of tension bolts 15a.
- a bolt head spotting is drilled on the upper surface of the beam frame 11 so that the length of the tension bolt 15a can be shortened. By shortening the tension bolt 15a, safety can be secured against the bending moment of the joint. After bonding, fill up Zabori with an adhesive.
- a vertically rectangular steel plate member 15f is inserted into the corner slits l lb and 12e of the beam frame 11 and the column frame 12, respectively.
- a plurality of pin holes 15fl are formed in the plate fitting 15f.
- the beam frame 11 and the column frame 12 are also provided with pin holes 1 If and 12f, respectively.
- Drift pins 15g are placed in these pin holes. As a result, the beam frame 11 and the column frame 12 are securely joined.
- a joining fitting 15h is used to draw and join the column frame 12.
- the joint fitting 15h is provided with a substantially rectangular plate, and its lower side is inclined rather than horizontal.
- An L-shaped steel plate flange 15h2 is welded to the horizontal upper side and the vertical left side.
- a wood tack tip 15h3 is welded to the sloped bottom.
- the inclination of the wood-tack pipe 15h3 is the direction approaching the beam frame 11 as the right force is directed to the left.
- the flange 15h2 is fixed to the beam frame 11 by a tension bolt 15a.
- the corner slit 12e and the pipe hole 12h are pre-cut in the column frame 12 so as to be fitted to the joint fitting 15h.
- the column frame 12 is provided with a notch 12g for accommodating a protruding portion such as a tightening nut of the tension bolt 15a.
- a flange 15h2 is also accommodated in the notch 12g.
- the bolt head pits can be formed on the upper surface of the beam frame 11 to shorten the tension bolt 15a. This makes it safe against bending moments at the joint. Semi-rigid joining is realized by using the 15h joint.
- FIGS. 4A to 4D are diagrams showing application examples of a fiber sheet that is attached to a corner portion that is a joint portion between the beam frame 11 and the column frame 12 in the portal frame shown in FIG. is there.
- a fiber sheet is wound and pasted so as to straddle the respective surfaces of the beam frame 11 and the column frame 12 at the corners.
- the fiber sheet is stuck with an adhesive.
- rigid joining at the corners is realized by reinforcing joining using a fiber sheet and an adhesive.
- the tensile / bending strength at the corners can be improved and the initial rigidity can be increased. In addition, it improves the reliability due to its tenacity and resistance.
- the fiber sheet is, for example, a chemical fiber such as aramid fiber, carbon fiber, glass fiber, vinylon fiber, talyl fiber, nylon fiber, or a combination of these, and a composite fiber of these fibers and metal fibers. It is.
- the fiber sheet is a sheet in which fibers having high tensile strength and excellent toughness are formed.
- a sheet having only one fiber direction parallel to the longitudinal direction a sheet having two fiber directions parallel and perpendicular to the longitudinal direction (sheet woven in a cross shape) Or a sheet having two fiber directions inclined in two different directions with respect to the longitudinal direction as shown in FIG. 5A.
- a chemical fiber such as aramid fiber, carbon fiber, glass fiber, vinylon fiber, talyl fiber, nylon fiber, or a combination of these, and a composite fiber of these fibers and metal fibers. It is.
- the fiber sheet is a sheet in which fibers having high tensile strength and excellent toughness are formed.
- an appropriate number of fiber sheets 14 are wound around the side surface near the upper end of the column frame 12 and the front and rear surfaces of the beam frame 11. Further, an adhesive is overcoated on the surface of the adhered fiber sheet 14.
- both the fiber sheet 14 and the adhesive are the main bonding materials as compared with a structure in which the adhesive is simply applied and pasted to the back surface of the fiber sheet 14.
- sufficient joint strength equivalent to that of the joint hardware can be obtained.
- not only the strength against the tensile stress at the corner of the portal frame 10 but also the bending strength against the moment stress is greatly improved.
- the structural integration of the corners is ensured, resulting in a rigid joint with excellent toughness.
- a fiber sheet 14a is wound in a different direction so as to overlap therewith.
- An appropriate number of fiber sheets 14 a are wound around the beam frame 11 so as to be orthogonal to the end of the fiber sheet 14.
- the fiber sheet 14a is also bonded and reinforced with an adhesive.
- the stress direction differs depending on the overlapping. It can correspond to.
- fiber sheets 14b and 14c are wound so as to overlap therewith.
- An appropriate number of fiber sheets 14b and 14c are attached so as to cross the side surface of the column frame 12 and the front surface of the beam frame 11 at an angle of 45 degrees and -45 degrees with respect to the horizontal direction, respectively.
- FIG. 4D in addition to the fiber sheet 14 of FIG. 4A, the fiber sheets 14b and 14c of FIG. 4C are wound so as to overlap therewith, and further the fiber sheet 14d is wound so as to overlap therewith. ing. An appropriate number of fiber sheets 14d are wound around the beam frame 11 so as to be orthogonal to the ends of the fiber sheets 14.
- a plurality of fiber sheets cross each other and are stacked in layers, and are further overcoated with an adhesive to reinforce them. The meeting is realized.
- FIG. 5A and FIG. 5B are diagrams showing examples of suitable fiber sheets in the present invention.
- a suitable fiber sheet 14 wound around the column frame 12 and the beam frame 11 as shown in FIG. 5A is a woven fabric so that warp and weft are inclined in two different directions with respect to the longitudinal direction of the sheet.
- FIG. 5B is a diagram schematically showing a force, a thread direction, and the like related to the fiber sheet 14 of FIG. 5A.
- An arrow sO indicates a general crack direction of the beam frame 11. This is the wood fiber direction of the beam frame 11 and is substantially horizontal.
- Arrow sO is also the longitudinal direction of the fiber sheet.
- Arrow s3 indicates the magnitude and direction of the stress generated in the crack.
- Arrows si and s2 are component forces of the stress s3 in the warp direction and the weft direction of the fiber sheet 14. In this way, the warp and weft can withstand the stress of the cracked portion, thereby preventing the crack from spreading.
- the inclination angle ⁇ in the warp direction and the weft direction with respect to the longitudinal direction sO of the fiber sheet is most preferably 45 degrees and may be in the range of 30 to 60 degrees.
- FIGS. 6A to 6C are views showing examples of the column base hardware attached to the lower ends of the column frames 12 of the portal frame 10 of FIG.
- Each of these drawings includes an enlarged view of the column base hardware 13 surrounded by a dotted circle.
- the column base 13 is composed of a box portion 13a having a size corresponding to the lower end surface of the column frame 12, and a vertical plate portion 13b erected in the left-right direction at the center of the upper surface. It is configured.
- the vertical plate portion 13b is inserted into the lower slit 12i precut at the lower end of the column frame 12.
- the column base metal 13 is fixed to the column frame 12 by passing the drift pin 15d through the leg pin hole 12d and the vertical plate pin hole 13d.
- the column base metal 13 is attached to the foundation or floor beams. Fixed.
- the gate frame is smoothly fitted into the opening of the building by notching from the periphery of the bolt hole 13c on the lower surface of the column base 13 to the rear edge of the lower surface. Can do. The same applies to other column base hardware embodiments to be described later.
- the column base 13 in FIG. 6B has a structure similar to that of the column base in FIG. 6A. It is equipped with an extension leg 13e with additional points fixed to the beam.
- the extension legs are only on one side of the box 13a, but they may be provided on both sides of the box.
- the column base metal 13 in FIG. 6C includes a wood touch pipe 13f on the half of the upper side of the force vertical plate portion 13b having the same configuration as the column base metal in FIG. 6A.
- the lower pipe hole 13 ⁇ 4 is pre-cut in the lower slit 12i at the lower end of the column frame 12 so as to correspond to the wood tack 13p.
- the wood touch pipe 13f is slightly inclined. Accordingly, by inserting the vertical plate portion 13b into the lower slit 12i, the wood touch pipe 13f has an effect of pulling the column frame 12 and the column base metal 13 together.
- a well-known hole-down hardware is provided so as to face each other on both sides of the lower part of the column frame 12, and is fastened with bolts. To do. This makes it possible to pull and fix with anchor bolts and fixing bolts that have been installed in advance.
- FIG. 7 is a perspective view showing an example of the portal frame 20 attached to the inside of the wall opening 51a of the wooden building by the frame wall construction method.
- the wall opening 51a shown in FIG. 7 is the same as FIG.
- the beam frame 11 is not divided and is integrated, whereas in the portal frame 20 shown in Fig. 7, the beam frame 21 is divided into two.
- the beam frame pieces 21a and 21b are connected to each other by a plate fitting 22a.
- the portal frame 20 in FIG. 7 has the same configuration as the portal frame 10 in FIG.
- FIG. 7 the connection between the left end of the beam frame piece 21a and the upper end of the column frame 12 and the connection between the right end of the beam frame side 21b and the upper end of the column frame 12 are shown in FIG. ⁇
- Each embodiment of joining with the metal fitting shown in Fig. 3K can be similarly applied.
- the embodiments of joining with the fiber sheet and the adhesive shown in FIGS. 4A to 4D and FIGS. 5A and 5B described above can be similarly applied. Therefore, all of the above description regarding FIG. 3A to FIG. 5B also applies to the portal frame 20 shown in FIG.
- FIG. 8A to FIG. 8G are views showing an embodiment of the central joint portion of the portal frame 20 of FIG. 7 having a two-divided beam frame 21 in which the beam frame piece is divided into two.
- a steel plate metal fitting 22a is inserted into a slit 21d provided perpendicularly to the joint end face (cut end) of each of the beam frame pieces 21a and 21b.
- a plurality of pin holes 22al are formed in the plate fitting 22a.
- pin holes 21c are also formed in the beam frame pieces 21a and 21b so as to correspond to these pin holes 22al.
- a steel plate fitting 22b is inserted into a slit 21d provided in the horizontal direction on each joint surface of the beam frame pieces 21a, 21b.
- the plate metal fitting 22b is provided with pin holes 22b1 and 22b2 and a notch 22b3 continuous with the pin hole 22b2.
- the edge p closer to the center line 22b4 is parallel to the center line 22b4, and the far edge q is the center line toward the insertion direction. 22b away from 4.
- the drift pin 23a is driven into the pin hole 21c of the beam frame pieces 21a and 21b corresponding to the pin hole 22b2 before the plate metal fitting 22b is inserted.
- an effect of pulling the beam frame pieces 21a and 21b together by the wedge effect is produced. As a result, a joint having no gap is realized.
- a wood touch pipe 22cl is welded to the left and right sides of the steel plate fitting 22c.
- the wood tack pipe 22c 1 is inclined in the direction of the forward force and the backward direction from the center line 22c2.
- a slit 21d and a pipe hole 21e for wood tack nove are formed so as to correspond to the beam frame pieces 21a and 21b.
- the pipe hole 21e is parallel to the center line 22c2. Therefore, when the plate metal fitting 22c is inserted, the beam frame pieces 2la and 21b are attracted to each other by the wedge effect. As a result, a joint having no gap is realized.
- the tension fitting 23c is embedded in the upper and lower stages in the front-rear direction in the vicinity of the joint surface of the beam frame pieces 21a and 21b.
- steel plate metal fittings 2 on the upper and lower surfaces of the beam frame pieces 21a and 21b, respectively. 2d is applied and fixed with tension bolt 23d.
- a screw hole 22d2 is also formed in the plate metal fitting 22d so as to be fastened with a long screw for reinforcement. As a result, high tensile strength can be obtained.
- Fig. 8E the tension fittings 23c are embedded in the upper and lower stages so as to be orthogonal to the joint surfaces of the beam frame pieces 21a and 21b. Then, steel plate metal fittings 22d are applied to the upper and lower surfaces of the beam frame pieces 21a and 21b, respectively, and fixed with tensile bolts 23d. In addition to the bolt hole 22dl, a screw hole 22d2 is also drilled in the plate fitting 22d so as to be fastened with a long screw for reinforcement. As a result, high tensile strength can be obtained.
- a wood touch pipe 22el is welded to the left and right sides of a steel plate fitting 22e.
- the wood tack pipe 22el is inclined in a direction away from the center line 22e3 from below to above.
- a slit 21d and a pipe hole 21e for a wood touch pipe are formed so as to correspond to the beam frame pieces 21a and 21b.
- the pipe hole 21e is parallel to the center line 22e3. Therefore, when the plate fitting 22e is driven, an effect of pulling the beam frame pieces 21a and 2 lbs together by the wedge effect is produced. As a result, a joint having no gap is realized. Furthermore, it is securely fixed by the drift pin 22a.
- FIG. 8G has a shape in which a flange 22f 5 is welded to the lower side of the plate fitting 22e in FIG. 8F. Further, a notch 22f4 similar to the notch 22b3 provided in the plate metal fitting 22b in FIG. 8B is provided.
- a drift pin 22a is previously driven into the pin hole 21c of the beam frame piece corresponding to the pin hole 22f3 continuous with the notch 22f4. Therefore, when the plate fitting 22f is driven, an effect of pulling the beam frame pieces 21a and 21b together by the wedge effect is produced. As a result, a joint having no gap is realized. Furthermore, it is securely fixed by the drift pin 22a.
- a recess having a thickness of the flange 22f5 is provided on the lower surface of the beam frame pieces 21a and 21b.
- FIG. 8H to FIG. 8J are diagrams showing an example of a joint portion in a three-divided type portal frame 201 in which a beam frame piece is divided into three.
- split-type portal frame 201 With the split-type portal frame 201, it is possible to produce and keep in stock a product in which only the column frame 12 and the end beam frame piece 21a or 21b are joined or integrally molded. Is preferred. By doing so, it becomes possible to appropriately select the length and beam formation of the central beam frame piece 21g and the reinforcing means with the fiber sheet at the site so as to suit the span of the opening and the purpose of use.
- FIG. 8H the beam frame pieces are attracted and connected using the plate fitting 22e shown in FIG. 8F described above.
- FIG. 81 the beam frame pieces are connected to each other using the plate fitting 22a shown in FIG. 8A described above. Further, the upper and lower surfaces are reinforced by the plate fitting 22d shown in FIG. 8D.
- FIG. 8J the beam frame pieces are pulled and connected together using the plate fitting 22f shown in FIG. 8G described above. Further, the upper surface is reinforced by the plate fitting 22d shown in FIG. 8D.
- the central beam frame piece 21h shown in Fig. 8J also bears the vertical load P. For this reason, the beam formation is increased to enhance the cross-sectional performance of the central beam frame piece 21h.
- FIG. 9A to FIG. 9D are diagrams showing examples of reinforcement by a fiber sheet and an adhesive at the joint portion of the three-divided type portal frame 201 shown in FIG. 8H to FIG. 8J.
- the present invention can also be applied to the two-divided portal frame 20 shown in FIG.
- Fig. 7 for the beam frame joints of the split frame type portal frame that fits into the opening of the structural frame, it is usually sufficient to use only pin joints with metal fittings. Sheets and adhesives may be used for reinforcement.
- the fiber sheet and adhesive are usually used in addition to pin bonding by metal fittings. Need reinforcement by The This is for bending resistance.
- Fig. 9A an appropriate number of fiber sheets 24 are attached to the front and rear surfaces of the beam frame pieces 21a and 21g with an adhesive. Further, a fiber sheet 24a that is orthogonal to and overlaps with the fiber sheet 24 is wound around and adhered to the front surface, the lower surface, and the rear surface of the joint portion.
- the fiber sheet 24 is wound around the entire surface of the joint portion between the beam frame pieces 21a and 21g.
- an appropriate number of fiber sheets 24 are attached to the front and rear surfaces of the beam frame pieces 21a and 21g with an adhesive. Further, a wide fiber sheet 24a that is orthogonal to and overlaps with the fiber sheet 24 is attached so as to be wound around the entire surface of the joint.
- FIG. 9D the fiber sheets 24 and 24a shown in FIG. 9C are rolled up, and the fiber sheet 24b force is applied to the end force of the upper end surface of the column frame 12 to the position corresponding to the distance of about 4Z1 of the total length of the upper surface of the beam frame 21. It is stuck. Since the 3 split type joint is located in the range from the end to the distance of about 4/1 of the total length of the beam frame, the fiber sheet 24b must straddle the joint. This is particularly effective as a reinforcement when the beam is enlarged so that it can bear vertical loads.
- the method of sticking the fiber sheet with the adhesive shown in Figs. 9A to 9D is not limited to these, and may be combined as appropriate.
- a structural veneer laminate (LVL) is used as the material of the split-frame type portal frame 10
- LVL structural veneer laminate
- the fiber direction of the lamina is constant, so the strength varies depending on the force direction. Therefore, rigid bonding can be realized if the corner sheet is reinforced with a fiber sheet and an adhesive as shown in FIGS. 4A to 4D. In that case, it is more preferable to use the fiber sheet shown in FIGS. 5A and 5B.
- An L-shaped member for a gate-type frame, in which one pillar frame and one beam frame piece are rigidly joined, is manufactured in advance at a manufacturing plant.
- each corner of the column frame and beam frame piece is used.
- the material is joined using metal fittings, the joint is reinforced with a fiber sheet and an adhesive, and the column frame and beam frame piece are integrally formed from a single plate, and the corners are bonded to the fiber sheet.
- the left L-shaped member and the right L-shaped member are joined facing each other to assemble the portal frame.
- FIG. 10 is a perspective view showing an embodiment of the box frame 30 attached to the inside of the wall opening 5 la of the wooden building by the frame wall construction method.
- the wall opening 51a shown in FIG. 10 is mainly a window or an entrance / exit.
- the box frame 30 shown in FIG. 10 is fitted into the wall opening 5 la in a preassembled form as shown, and is fixed to the opening frame member 51b.
- the box-shaped frame 30 includes four L-shaped frames 31, 32, 33, and 34 joined to form a box-shape, and metal fittings 36a and 36b that join the L-shaped frames adjacent to each other.
- Each of the L-shaped frame 31 and the like is formed by joining the end portions of the horizontal frame piece and the vertical frame piece at a right angle.
- FIG. 11A to FIG. 11C are diagrams showing an embodiment of a joint portion, that is, a corner portion of the L-shaped frame 33 located on the upper right side of the box-shaped frame 30. The same applies to the other L-shaped frames 31, 32 and 34.
- the L-shaped frame 33 is formed by pulling and joining a horizontal frame piece 33a and a vertical frame piece 33b, which are square members, with metal fittings. Furthermore, it can be set as rigid joining by sticking the fiber sheet which has high tensile strength with the adhesive with respect to the junction part joined by the metal fitting.
- the method of applying the fiber sheet to the joint, that is, the corner is the same as that at the corner of the portal frame shown in FIGS. 4A to 4D. Further, it is preferable to use the fiber sheet shown in FIG. 5A and FIG. 5B.
- a tension fitting 38 which is formed by a round steel female thread, is embedded in the upper and lower stages near the right end of the horizontal frame piece 33a.
- the tension bolt 39 penetrates substantially horizontally from the outer surface of the vertical frame piece 33b and is screwed into the tension fitting 38.
- the tension metal fitting 38 is embedded vertically from the upper surface of the horizontal frame piece 33a.
- the tension bolt 39 inserted from the outer side surface of the vertical frame piece 33b is screwed into the tension fitting 38.
- FIG. 11C a plurality of tension bolts 39 are received by each of the tension fittings 38 embedded in the upper and lower stages near the right end of the horizontal frame piece 33a. Therefore, the tension fitting 38 is internally threaded at a plurality of locations.
- FIGS. 12A and 12B are diagrams showing an example of a joint portion for joining L-shaped frames adjacent to each other.
- the box frame is formed by pulling and joining the end faces of the vertical frame pieces of the L-shaped frames adjacent to each other or the end faces of the horizontal frame pieces.
- 12A and 12B are the same for the other joints as well as the force indicating the joint of the L-shaped frames 33 and 34 in FIG. 10.
- FIG. 12C is the same as the joint of the L-shaped frames 31 and 33. It is a figure which shows an Example.
- the wood touch pipe 36a2 is welded to the upper and lower sides of the steel plate fitting 36a.
- the wood tack pipe 36a2 is inclined in a direction in which both the right force and the center line 36a3 force move away from the left.
- slits 33e and 34e and pipe holes 33f and 34f are respectively formed in the vertical frame pieces 33b and 34b so as to correspond to the plate metal fitting 36a.
- the pipe holes 33f and 34f are parallel to the center line 236a3.
- FIGS. 13A and 13B are diagrams showing an embodiment in which the box-shaped frame 30 is attached to the opening 51a in the vicinity of one corner of the wooden building by the frame yarn and wall method.
- the stud 51c is erected at the wall position in the wall work to be performed after the foundation work and floor work are completed.
- An opening frame member 51b is installed around the wall opening 51a.
- the assembled box frame 30 is fitted into the opening 51a and fixed to the opening frame member 51b.
- FIG. 13B a framing work is performed in which the wall plywood 51d is stretched on the stud.
- FIG. 14A and FIG. 14B are views showing an embodiment in which the box frame 30 is attached to the opening 52a in the roof 52 of the wooden building by the frame wall method.
- the roof 52c will be installed with Tarki 52c that extends to the eaves.
- An opening frame member 52b is installed around the roof opening 52a.
- the assembled box frame 30 is fitted into the roof opening 52a and fixed to the opening frame member 52b.
- framing work is performed to stretch the roof plywood 52d on the turkey.
- FIGS. 15A and 15B are diagrams showing an embodiment in which the box frame 30 is attached to the opening 53a in the floor 53 of the wooden building by the frame wall method.
- the joist 53c will be installed on the foundation and head joint.
- An opening frame member 53b is installed around the floor opening 53a.
- the assembled box frame 30 is fitted into the floor opening 53a and fixed to the opening frame 53b.
- framing work is performed in which the floor plywood 53d is stretched over the joists.
- FIG. 16A and FIG. 16B are perspective views showing an example of a portal frame 20 attached to the inside of a wall opening 70a of a wooden building by a conventional shaft construction method.
- the portal frame 20 is a beam split type shown in FIG.
- the wall opening 70a in FIG. 16A includes a pair of left and right column members 72 standing on a foundation 74 or a foundation 75, and a trunk difference 'girder horizontally mounted between the upper ends of the left and right column members 72. 'It is formed with horizontal members 71 such as lintels.
- the attachment method is the same as that for attaching the portal frame 20 in FIG. 7 to the opening frame member 52b.
- the wall opening 70a in FIG. 16B includes a pair of left and right column members 72 standing on the floor beam 76, etc., and a trunk difference 'girder' spanned between the upper ends of the left and right column members 72 It is made of horizontal material 71.
- the attachment method is the same as the case where the portal frame 20 in FIG. 7 is attached to the opening frame member 52b.
- FIG. 17A and FIG. 17B are perspective views showing an embodiment of a self-supporting portal frame 202 that constitutes the wall opening 70a of a wooden building by a conventional shaft construction method.
- the self-supporting portal frame 202 shown in the figure has the same configuration as the beam-splitting portal frame 20 shown in FIG. Therefore, the joint between the beam frame pieces 21a and 21b and the column frame 12 and the joint between the beam frame pieces 21a and 21b.
- the reinforcement with adhesive sheets and adhesives at their joints is the same as for the portal frame 20.
- a self-supporting portal frame having the same configuration as the non-beam-divided portal frame 10 shown in FIG. 2 is possible.
- the portal frame 202 shown in FIG. 17A constitutes a wall opening 70b such as a garage provided above the base top end surface 74a in which a part of the base 74 is lowered to the ground surface.
- the gate-shaped frame 202 constitutes a part of the building frame.
- the portal frame 202 is self-supporting by fixing the column base 13 of the portal frame 202 to anchor bolts provided on the base top end face 74a.
- the column material receiving member 78 is placed and fixed on the upper surface of the beam frame 21 in order to support the column material 72 extending upward from both ends of the upper surface of the beam frame 21. To do. Further, in order to support the horizontal member 71 that extends to the left and right as well as the upper end force of the column frame 12, the horizontal member receiving member 79 that contacts the outer surface of the column frame 12 is fixed. By providing these receiving materials, the subsequent process becomes easy.
- the foundation 74 can be installed on the base 75 when it is not lowered to the ground surface or when it is not lowered.
- FIG. 17B shows another installation example of the self-supporting portal frame 202 that constitutes a part of the structural frame. It can be installed in a self-supporting state by fixing the column base 13 on the floor beam 76 or the like.
- a column material receiving material 78 that supports the upper column material and a horizontal material receiving material 79 that supports the horizontal material extending left and right are installed. By providing these receiving materials, subsequent processes are facilitated.
- a self-supporting portal frame 202 is provided continuously in one direction, and can be used as a one-way rigid frame structure.
- FIG. 19A shows an example of reinforcing means using a fiber sheet and an adhesive in a self-supporting portal frame.
- the example shown is for a three-part portal frame in which a vertical load P is applied to the central beam frame piece 21g.
- a long fiber sheet 25 having a high tensile strength is adhered to the entire lower surface of the central beam frame piece 21g.
- the vertical load P can be handled without increasing the beam formation of the central beam frame piece 21g. In this way, reinforcement at the construction site is possible.
- FIG. 19B shows another example of the reinforcing means using the fiber sheet and the adhesive in the self-supporting portal frame.
- the example shown is for a two-part type portal frame in which a concentrated load P is applied to the beam frame piece 21a (21b).
- a concentrated load P is applied to the beam frame piece 21a (21b).
- a long fiber sheet 26 is adhered to the lower surface of the beam frame piece 21a (21b).
- the long fiber sheet 27 is stuck to the position corresponding to the distance of about 4Z1 of the total length of the upper surface of the beam frame 21 in the end force of the upper end surface of the column frame 12.
- the vertical load P can be handled without increasing the beam formation of the central beam frame piece. In this way, it is possible to perform reinforcement at the construction site.
- reinforcing the lower and Z or upper surfaces of the beam frame shown in Fig. 19A and Fig. 19B with a long fiber sheet and an adhesive means either a non-split type or a 2 or 3 split type. It can be effectively applied to the portal frame.
- the overall balance is improved by making the openings resistant to walls, the magnification of the existing resistant walls can be reduced, the pull-out force of the pillars to which the existing resistant walls are attached is reduced, and the hole-down hardware is reduced it can.
- the wall-resistant walls can be systematically dispersed and arranged, so the rigidity of the floor can be reduced.
- the portal and box frames of the present invention are made of wood, they can be stored lightly on site and can be changed immediately by replacing or cutting the parts.
- Beam frame split type portal frame can be adapted to various opening widths.
- the beam-frame split type portal frame enables rational production and parts stock, reduces costs through mass production, and reduces transportation and installation costs.
- the beam frame split type portal frame does not change the specifications for rigid connection between the column frame and the beam frame, and the brackets at the joints between the beam frame pieces according to the structural frame of various construction methods and the purpose of use.
- the technique of the fiber sheet and the adhesive can be changed.
- the portal-type or box-type frame of the present invention for a load-bearing wall balance improvement and floor rigidity reduction, and a large-span room with a large span and a large space with a colonnade. This greatly increases the degree of design freedom.
- FIG. 1 is a diagram schematically and schematically showing a state in which a wooden seismic frame according to the present invention is incorporated into a wooden building by a frame wall construction method.
- FIG. 2 is a perspective view showing an embodiment of the portal frame 10.
- FIG. 3A is a partially enlarged perspective view showing an embodiment of a joint fitting at a joint portion between a column frame 12 and a beam frame 11 when a column frame is won.
- FIG. 3B is a partially enlarged perspective view showing an embodiment of the joint fitting at the joint between the column frame 12 and the beam frame 11 when the column frame is won.
- FIG. 3C is a partially enlarged perspective view showing an embodiment of the joint fitting at the joint between the column frame 12 and the beam frame 11 when the column frame is won.
- FIG. 3D is a partially enlarged perspective view showing an embodiment of the joint fitting at the joint between the column frame 12 and the beam frame 11 when the column frame is won.
- FIG. 3E is a partially enlarged perspective view showing an embodiment of a joint fitting at a joint portion between the column frame 12 and the beam frame 11 when the column frame is won.
- FIG. 3F is a partially enlarged perspective view showing an embodiment of a joint fitting at the joint between the column frame 12 and the beam frame 11 in the case of winning the column frame.
- FIG. 3G is a partially enlarged perspective view showing an embodiment of the joint fitting at the joint portion between the column frame 12 and the beam frame 11 when the column frame wins.
- FIG. 3H One implementation of joint fittings at the joint between the column frame 12 and the beam frame 11 when the beam frame wins It is a partial expansion perspective view which shows an example.
- FIG. 31 is a partially enlarged perspective view showing an embodiment of a joint fitting at the joint between the column frame 12 and the beam frame 11 when the beam frame is won.
- FIG. 3J is a partially enlarged perspective view showing an example of a joint fitting at a joint portion between the column frame 12 and the beam frame 11 when the beam frame is won.
- FIG. 3B is a partially enlarged perspective view showing an embodiment of the joint fitting at the joint between the column frame 12 and the beam frame 11 in the case of [3K] beam frame win.
- FIG. 4A is a diagram showing an application example of a fiber sheet that is adhered to a corner portion that is a joint portion between the beam frame 11 and the column frame 12 in the portal frame shown in FIG. 2.
- FIG. 4A is a diagram showing an application example of a fiber sheet that is adhered to a corner portion that is a joint portion between the beam frame 11 and the column frame 12 in the portal frame shown in FIG. 2.
- 4B is a diagram showing an application example of a fiber sheet adhered to a corner portion that is a joint portion between the beam frame 11 and the column frame 12 in the portal frame shown in FIG. 2.
- 4C is a diagram showing an application example of a fiber sheet adhered to a corner portion that is a joint portion between the beam frame 11 and the column frame 12 in the portal frame shown in FIG.
- 4D is a diagram showing an application example of a fiber sheet adhered to a corner portion that is a joint portion between the beam frame 11 and the column frame 12 in the portal frame shown in FIG. 2.
- [5A] A diagram showing an example of a preferred fiber sheet in the present invention.
- ⁇ 5B is a view showing an example of a suitable fiber sheet in the present invention.
- FIG. 6A is a view showing an example of a column base hardware attached to each lower end of the column frame 12 of the portal frame 10 of FIG.
- FIG. 6B is a view showing an example of column base hardware attached to the lower ends of the column frames 12 of the portal frame 10 of FIG.
- FIG. 6C is a view showing an example of column base hardware attached to the lower ends of the column frames 12 of the portal frame 10 of FIG.
- FIG. 7 is a perspective view showing an embodiment of a portal frame 20 attached to the inside of a wall opening 5 la of a wooden building by a frame wall construction method.
- FIG. 8A is a view showing an embodiment of a central joint portion of the portal frame 20 of FIG.
- FIG. 8B is a diagram showing an embodiment of the central joint portion of the portal frame 20 of FIG.
- FIG. 8C is a view showing an embodiment of the central joint portion of the portal frame 20 of FIG.
- FIG. 8D is a view showing an embodiment of a central joint portion of the portal frame 20 of FIG.
- FIG. 8E is a view showing an embodiment of the central joint portion of the portal frame 20 of FIG.
- FIG. 8F is a view showing an embodiment of the central joint portion of the portal frame 20 of FIG.
- FIG. 8G is a view showing an embodiment of the central joint portion of the portal frame 20 of FIG.
- FIG. 8H is a diagram showing an example of a joint portion in a three-divided type portal frame 201.
- FIG. 81 is a diagram showing an example of a joint portion in a three-split type portal frame 201.
- FIG. 8J is a diagram showing an example of a joint portion in a three-divided type portal frame 201.
- FIG. 9A is a view showing an example of reinforcement by a fiber sheet and an adhesive at a joint portion of a three-part type portal frame 201.
- FIG. 9B is a view showing an example of reinforcement by a fiber sheet and an adhesive at a joint portion of a three-part type portal frame 201.
- FIG. 9C is a view showing an example of reinforcement by a fiber sheet and an adhesive at a joint portion of a three-part type portal frame 201.
- FIG. 9D is a diagram showing an example of reinforcement by a fiber sheet and an adhesive at a joint portion of a three-divided type portal frame 201.
- FIG. 10 is a perspective view showing an embodiment of a box frame 30 attached to the inside of a wall opening 5 la of a wooden building by a frame wall construction method.
- FIG. 11A is a view showing an example of the joint portion, that is, the corner portion of the L-shaped frame 33 located at the upper right of the box-shaped frame 30.
- FIG. 11B is a view showing an example of a joint portion, that is, a corner portion of the L-shaped frame 33 located at the upper right of the box-shaped frame 30.
- FIG. 11C is a view showing an example of a joint portion, that is, a corner portion of the L-shaped frame 33 located at the upper right of the box-shaped frame 30.
- FIG. 12 is a view showing an example of a joint portion for joining L-shaped frames adjacent to each other.
- FIG. 12B is a diagram showing an example of a joint portion for joining L-shaped frames adjacent to each other.
- FIG. 12 is a view showing an example of a joint portion for joining L-shaped frames adjacent to each other.
- FIG. 13A is a view showing an embodiment in which a box frame 30 is attached to an opening 5 la in the vicinity of a corner of a wooden building by a frame wall construction method.
- FIG. 13B is a view showing an embodiment in which a box frame 30 is attached to an opening 5 la in the vicinity of a corner of a wooden building by a frame wall construction method.
- FIG. 14A is a view showing an embodiment in which a box frame 30 is attached to an opening 52a in a roof 52 of a wooden building by a frame wall construction method.
- FIG. 14B is a diagram showing an embodiment in which the box frame 30 is attached to the opening 52 a in the roof 52 of the wooden building by the frame wall method.
- FIG. 15A is a view showing an embodiment in which a box frame 30 is attached to an opening 53 a in a floor 53 of a wooden building by a frame thread and wall method.
- FIG. 15B is a view showing an embodiment in which the box frame 30 is attached to the opening 53 a in the floor 53 of the wooden building by the frame thread and wall method.
- FIG. 16A is a perspective view showing an example of a portal frame 20 attached to the inside of a wall opening 70a of a wooden building by a conventional shaft construction method.
- FIG. 16B is a perspective view showing an example of a portal frame 20 attached to the inside of a wall opening 70a of a wooden building by a conventional shaft construction method.
- FIG. 17A is a perspective view showing an example of a self-supporting portal frame 202 that constitutes a wall opening 70a of a wooden building by a conventional frame construction method.
- FIG. 17B is a perspective view showing an example of a self-supporting portal frame 202 that constitutes a wall opening 70a of a wooden building by a conventional frame construction method.
- FIG. 18 An example in which a self-supporting portal frame 202 is installed continuously in the direction.
- FIG. 19A shows an example of a reinforcing means using a fiber sheet and an adhesive in a self-supporting portal frame.
- FIG. 19B shows an example of a reinforcing means using a fiber sheet and an adhesive in a self-supporting portal frame.
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- Environmental & Geological Engineering (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (4)
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JP2004231690 | 2004-07-09 | ||
JP2004-231690 | 2004-07-09 | ||
JP2005128169A JP4928091B2 (ja) | 2004-07-09 | 2005-04-26 | 木造建築物開口部における耐震用フレーム |
JP2005-128169 | 2005-04-26 |
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WO2006006323A1 true WO2006006323A1 (ja) | 2006-01-19 |
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PCT/JP2005/010328 WO2006006323A1 (ja) | 2004-07-09 | 2005-06-06 | 木造建築物開口部における耐震用フレーム |
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WO (1) | WO2006006323A1 (ja) |
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CN102094455A (zh) * | 2010-12-27 | 2011-06-15 | 上海现代建筑设计(集团)有限公司 | 木结构体系构造设计方法 |
ITVE20120045A1 (it) * | 2012-11-14 | 2014-05-15 | Simone Moro | Procedimento di ristrutturazione di edifici.- |
CN106836842A (zh) * | 2017-02-21 | 2017-06-13 | 安徽工业大学 | 古建木梁柱卯榫节点加固装置 |
US20190368188A1 (en) * | 2016-10-18 | 2019-12-05 | Shelter Co., Ltd. | Metal joint and panel joining method |
WO2020226562A1 (en) * | 2019-05-09 | 2020-11-12 | Modvion Ab | Wood connection and a laminated wood tower comprising a plurality of such wood connections |
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JP2010047951A (ja) * | 2008-08-21 | 2010-03-04 | J Kenchiku Syst Kk | 水平構面用耐震開口フレーム |
JP4956558B2 (ja) * | 2009-01-09 | 2012-06-20 | 積水化学工業株式会社 | 枠組壁構造による建物の増築方法 |
JP5322756B2 (ja) * | 2009-04-23 | 2013-10-23 | 積水化学工業株式会社 | 柱梁接合構造、接合プレート及びユニット建物 |
ITMI20131316A1 (it) * | 2013-08-02 | 2015-02-03 | Interbau S R L | Collegamento antisismico tra due elementi strutturali, particolarmente tra due elementi strutturali prefabbricati, del tipo trave-pilastro, trave-trave, trave-tegolo o simile. |
JP6385686B2 (ja) * | 2014-02-25 | 2018-09-05 | 株式会社タナカ | 木質フレーム構造 |
JP6974006B2 (ja) * | 2016-12-28 | 2021-12-01 | 旭化成ホームズ株式会社 | 建物 |
JP6989908B2 (ja) * | 2017-05-18 | 2022-01-12 | 日本基礎技術株式会社 | 補強材の連結構造および連結方法 |
JP7105344B1 (ja) * | 2021-06-29 | 2022-07-22 | 株式会社高田建築事務所 | 木造建築物の壁体構造、木造建築物及びその建築方法 |
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CN102094455A (zh) * | 2010-12-27 | 2011-06-15 | 上海现代建筑设计(集团)有限公司 | 木结构体系构造设计方法 |
CN102094455B (zh) * | 2010-12-27 | 2012-05-23 | 上海现代建筑设计(集团)有限公司 | 木结构体系构造设计方法 |
ITVE20120045A1 (it) * | 2012-11-14 | 2014-05-15 | Simone Moro | Procedimento di ristrutturazione di edifici.- |
US20190368188A1 (en) * | 2016-10-18 | 2019-12-05 | Shelter Co., Ltd. | Metal joint and panel joining method |
US10829926B2 (en) * | 2016-10-18 | 2020-11-10 | Shelter Co., Ltd. | Metal joint and panel joining method |
CN106836842A (zh) * | 2017-02-21 | 2017-06-13 | 安徽工业大学 | 古建木梁柱卯榫节点加固装置 |
CN106836842B (zh) * | 2017-02-21 | 2018-09-11 | 安徽工业大学 | 古建木梁柱卯榫节点加固装置 |
WO2020226562A1 (en) * | 2019-05-09 | 2020-11-12 | Modvion Ab | Wood connection and a laminated wood tower comprising a plurality of such wood connections |
SE545291C2 (en) * | 2019-05-09 | 2023-06-20 | Modvion Ab | Wood connection for laminated veneer lumber modules and a laminated wood tower comprising a plurality of such connections |
Also Published As
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JP4928091B2 (ja) | 2012-05-09 |
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