JP2011184881A - Joint part reinforcing structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a joint part reinforcing structure which easily reinforces even the joint part of an existing wooden framework structure, for instance, without damaging a wooden shaft member. <P>SOLUTION: The joint part reinforcing hardware 1 for reinforcing the joint part 100 crossing and joining wooden shaft members 110 to each other includes a steel-made reinforcing member 10 surrounding partially an outer peripheral part in each shaft member 110, and a corner part plate 20 connecting the steel reinforcing members 10 to each other inside the corner part of the joint part 100. The steel reinforcing member 10 is constituted by assembling a plurality of U-shaped steel covers 11. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a joint reinforcement structure that reinforces a joint in which beams and columns are joined in a wooden frame structure, and more particularly, a joint reinforcement that can be easily reinforced without damaging a wooden shaft member. Concerning structure.

  Since the Great Hanshin Earthquake, the Building Standards Law has been revised, and wooden framed structures need more earthquake resistance than before, and various reinforcement structures have been proposed. For example, in the seismic isolation structure of a wooden frame structure described in Patent Document 1, a joint portion made of a column or a beam is formed of a joint metal that allows insertion and fixation of a wooden shaft member.

  Thereby, it is said that it can construct easily compared with the conventional wooden frame structure, and has the vibration isolation property in a junction part. However, in this seismic isolation structure, the shaft member inserted into the joint metal is passed through the bolt together with the joint metal, and the joint metal and the shaft member are fixed. There was a problem of a drop. For example, there is no problem as long as it is a new wooden frame structure that can use a shaft member that considers a cross-sectional defect for penetrating a bolt, but a shaft member that does not consider such a cross-sectional defect is used. In the existing wooden frame structure, the through hole for passing the bolt is considered to have a great influence on the structure.

  In addition, existing wooden frame structures that were built before the current Building Standards Act are less quake-resistant than new structures, and improvement of quake resistance is an urgent task, and it is easily reinforced by construction. A reinforcing structure that can be used is desired. However, the above-described seismic isolation structure of Patent Document 1 cannot be used for an existing structure in which the shaft member is already joined because the shaft member constituting the column or beam is joined with the joint metal.

JP 2002-356915 A

  Then, this invention aims at providing the junction part reinforcement structure which can be easily reinforced even if it is a junction part of an existing wooden frame structure, for example, without damaging a wooden shaft member. .

  The present invention is a joint reinforcement structure that reinforces a joint that crosses and joins wooden shaft members, and the steel reinforcing member made of steel that surrounds a part of the outer periphery of each shaft member; The steel reinforcing member is configured to connect the steel reinforcing members to each other inside the corner portion of the joint portion, and the steel reinforcing member is configured by assembling a plurality of steel parts.

The wooden shaft member is, for example, a three- or four-dimensional wooden square member that constitutes a column, a beam, or the like, and is also referred to as a shaft set or a wire rod.
For example, the joint portion may be a joint formed by a tenon and a mortise.

According to the configuration of the present invention, the joint can be easily reinforced without damaging the wooden shaft member.
Specifically, the steel reinforcing member surrounds a part of the outer peripheral portion of each shaft member, and the connection reinforcing member is configured to connect the steel reinforcing members to each other inside the corner portion of the joint portion. Or a connection reinforcing member can be attached to the joint and reinforced. Therefore, the joint can be easily reinforced.

Further, according to the configuration of the present invention, for example, even a joint portion of an existing wooden frame structure can be easily reinforced without damaging the wooden shaft member.
Specifically, since a steel reinforcing member is configured by assembling a plurality of steel parts, even if it is a joint portion of an existing wooden frame structure in which the shaft members are connected to each other, for example, the shaft member is penetrated. Without using such bolts, etc., by assembling the steel parts at the place where the steel reinforcing member in each shaft member is mounted, it is made of steel in a manner that easily surrounds a part of the outer periphery of each shaft member A reinforcing member can be attached. Therefore, the joint portion can be easily reinforced without damaging the wooden shaft member.

  As described above, according to the configuration of the present invention, it is possible to easily reinforce the joint portion without damaging the shaft member in the wooden frame structure whether newly installed or existing. Therefore, the earthquake resistance of the wooden frame structure can be improved by reinforcing the joint.

As an aspect of the present invention, a cushioning material can be interposed between the steel reinforcing member and the shaft member.
The cushioning material can be composed of a rubber sheet or a film made of an elastic paint or the like.

  According to the structure of this invention, it can reinforce easily, without damaging a wooden shaft member reliably. Specifically, the wooden frame structure in which the wooden shaft members are assembled is slightly bent by an external force such as earthquake motion or wind. At this time, the wooden shaft member having higher deformability than the steel reinforcing member and the connection reinforcing member is temporarily elastically deformed and can absorb the external force.

  In this way, with the joint part reinforced with the joint reinforcement structure by interposing the buffer material between the wooden shaft member deformed with respect to the external force and the steel reinforcement member rigidly connected with the connection reinforcing member, Even if there is, the wooden shaft member effectively deforms and absorbs the external force, and prevents, for example, a problem that the non-deformable steel reinforcing member bites into and damages the deformed wooden shaft member. be able to.

  Further, as an aspect of the present invention, relative movement restriction that allows relative movement of the steel reinforcing member by deformation of the wooden shaft members with the joint portion by external force as a fulcrum and restricts relative movement larger than a predetermined amount. Means may be provided.

  The above external force is an external force such as earthquake or wind acting on the wooden frame structure constructed by assembling the wooden shaft member, or vibration or temperature acting from the inside of the wooden frame structure. An external force resulting from deformation due to humidity or the like, or an external force when these act together.

  The above-mentioned predetermined amount is the relative movement of the steel reinforcing member that is a deformation of the wooden shaft members that may cause the wooden shaft structure with the wooden shaft members to collapse or become unusable, for example. Thus, it can be set as the predetermined amount which has a safety factor on the basis of the upper limit of the elastic range of a deformation | transformation of a wooden shaft member.

  With the configuration of the present invention, the joint portion can be reliably reinforced against an external force exceeding the deformation performance of the shaft member while effectively utilizing the deformation performance of the wooden shaft member itself in the wooden frame structure. it can.

  Further, as an aspect of the present invention, the connection reinforcing member and the steel reinforcing member are connected by a bolt communicating with a bolt hole provided in the connection reinforcing member and the steel reinforcing member, and the relative movement restricting means is provided. Can be constituted by a long hole-shaped bolt hole corresponding to the relative movement of the steel reinforcing member to be allowed.

  With the configuration of the present invention, while utilizing a simple structure, the deformation performance of the wooden shaft member itself is effectively utilized, and the joint is reliably reinforced against an external force that exceeds the deformation performance of the shaft member. Can do. Specifically, since the bolt is loosely fitted into the long hole, the deformation performance of the wooden shaft member can be utilized without the reinforcement by the connection reinforcing member and the steel reinforcing member in the play of the bolt. On the other hand, when deformation exceeding the play of the bolt with respect to the long hole acts on the wooden shaft member, the connection reinforcing member and the steel reinforcing member are constrained in the deformation direction by the long hole and the bolt, thereby reinforcing the joint. can do.

Further, as an aspect of the present invention, the long hole-shaped bolt hole is provided in the connection reinforcing member and the steel reinforcing member, and the bolt hole of the connection reinforcing member and the long hole of the bolt hole of the steel reinforcing member are provided. The directions can be crossed.
The long hole direction may be the long axis direction in the long hole shape.

  This makes it possible to effectively utilize the deformation performance of the wooden shaft member itself against external forces that cause the deformation to vibrate, and reliably against external forces that exceed the deformation performance of the shaft member. The joint can be reinforced.

  Specifically, when an external force vibrates like an earthquake motion, the relative movement between the steel reinforcing members due to the deformation of the wooden shaft member occurs in both the compression direction and the tensile direction in the connecting direction of the connecting reinforcing member. Thus, in the relative movement of the steel reinforcing members in both directions, the bolt hole of the connection reinforcing member and the long hole direction of the bolt hole of the steel reinforcing member intersect each other, thereby making the plane in the connection direction of the connection reinforcing member It is possible to reliably cope with compression and pulling in either direction of the two-dimensional direction. Accordingly, it is possible to reliably realize a predetermined amount of relative movement allowance and restriction while having a simple structure in which the long hole directions of the long hole shape bolt holes to be bolted are crossed.

  Further, as an aspect of the present invention, the connection reinforcing member is constituted by a plurality of connection parts having a lap portion in which a part in a connection direction for connecting the steel reinforcing members is overlapped, and the connection parts are connected to the wrap. The connection bolt holes provided in each of the portions are connected by connecting bolts, and the relative movement restricting means is constituted by the connection bolt holes formed in a long hole shape corresponding to the relative movement of the steel reinforcing member to be allowed. can do.

  With the configuration of the present invention, while utilizing a simple structure, the deformation performance of the wooden shaft member itself is effectively utilized, and the joint is reliably reinforced against an external force that exceeds the deformation performance of the shaft member. Can do. Specifically, since the bolt is loosely fitted into the long hole, the deformation performance of the wooden shaft member can be utilized without the reinforcement by the connection reinforcing member and the steel reinforcing member in the play of the bolt. On the other hand, when the deformation exceeding the play of the bolt with respect to the long hole acts on the wooden shaft member, the connection reinforcing member and the steel reinforcing member are restrained in the deformation direction by the long hole and the bolt, thereby reinforcing the joint. Can do.

  According to the present invention, it is possible to provide a joint reinforcement structure that can be easily reinforced even if it is a joint of an existing wooden frame structure, for example, without damaging the wooden shaft member.

The perspective view of the junction part which equipped the junction part reinforcement metal fitting. The AA sectional view of the joined part equipped with the joined part reinforcement metal fitting. The perspective view explaining the assembly | attachment of a junction reinforcement metal fitting. The perspective view explaining the assembly | attachment of a junction reinforcement metal fitting. Explanatory drawing explaining the deformation | transformation tolerance of a junction part reinforcement metal fitting. The perspective view about the junction reinforcement metal fitting provided with the strip | belt-shaped corner part plate. Explanatory drawing about the junction part reinforcement metal fitting provided with the fan-shaped corner part plate. Explanatory drawing about the junction part reinforcement metal fitting provided with the wedge corner part plate.

An embodiment of the present invention will be described below in detail with reference to the drawings.
FIG. 1 is a perspective view of the joint 100 in a state where the joint reinforcing metal 1 is mounted, and FIG. 2 is a cross-sectional view taken along line AA (FIG. 1) of the joint 100 in the same state.

  3 and 4 are perspective views for explaining the assembly of the joint reinforcement metal 1 to the joint 100. FIG. Specifically, FIG. 3 shows a perspective view of a state in which the steel reinforcing member 10 is assembled to the shaft member 110 constituting the joint portion 100. On the other hand, FIG. 4 shows a perspective view of a state in which the corner plate 20 is attached to the steel reinforcing member 10 assembled to the shaft member 110.

  FIG. 5 shows an explanatory view for explaining the deformation allowance of the joint reinforcement hardware 1. Specifically, in the joint portion 100, the upper half of the corner plate 20 shows a cross-sectional view inside the thickness of the fixing rib 12 of the steel reinforcing member 10, and the lower half shows a cross section inside the thickness of the corner plate 20. The figure is shown.

  As shown in FIGS. 1 and 4, the joint reinforcing metal 1 is attached to a joint 100 obtained by joining a column member 120 and beam members 130 and 140. The beam members 130 and 140 are joined by inserting a tenon (not shown) formed at the tip into a tenon hole (not shown) formed in the column member 120.

  The joint reinforcement hardware 1 includes a steel reinforcement member 10 attached to each shaft member 110 (column member 120, beam members 130 and 140) and a corner angle disposed inside the corner portion between adjacent steel reinforcement members 10. The part plate 20 is joined by a bolt 15.

  As shown in FIGS. 2 and 3, the steel reinforcing member 10 has a U-shaped steel cover 11 having a U-shaped cross section formed by bending a steel plate into a U-shaped shape. As described above, the outer side of the shaft member 110 is surrounded. Specifically, the U-shaped steel cover 11 includes a flat surface portion 11a corresponding to the outer shape of the shaft member 110, and side surfaces 11b arranged in the orthogonal direction on both sides of the flat surface portion 11a. In addition, the side part 11b is formed in the length of about half of the plane part 11a.

  In addition, the outer surface of the U-shaped steel cover 11 is provided with fixing ribs 12 that are erected on each surface in the longitudinal direction. Two fixing ribs 12 of the flat surface portion 11a are arranged in parallel at intervals corresponding to the thickness of a corner plate 20 described later, and the fixing rib 12 of the side surface portion 11b is an edge on the side opposite to the flat surface portion 11a. It is erected at a position that is half the thickness of the corner plate 20 from the portion.

  The fixing rib 12 forms a bolt hole 13 that allows insertion of the bolt 15. In addition, the bolt hole 13 is formed in the long hole shape long in the transversal direction of the fixing rib 12, as shown in FIG. In the present embodiment, two bolt holes 13 are formed in each of the fixing ribs 12, but the present invention is not limited to this, and three or more bolt holes 13 may be formed.

  An elastic rubber sheet 14 is attached to the inner surface of the U-shaped steel cover 11. The rubber sheet 14 may be wound around the shaft member 110 without being attached to the inner surface of the U-shaped steel cover 11 and the U-shaped steel cover 11 may be attached from the outside.

  The corner plate 20 is a steel plate having a substantially isosceles right triangle when viewed from the front, and includes a bolt hole 21 that allows the bolt 15 to be inserted at a corresponding position of the fixing rib 12 on the oblique side 20a. A concave circular arc cutout 22 is formed in the direction. In addition, the bolt hole 21 is formed in the long hole shape long in the direction parallel to the oblique side 20a of the corner | angular part plate 20, as shown in the enlarged view of FIG.

Next, a method for assembling the joint reinforcing metal piece 1 configured as described above will be described with reference to FIGS.
First, as shown in FIG. 3, the two U-shaped steel covers 11 each having a rubber sheet 14 affixed to the inner surface are opposed to each other, and are attached in such a manner that they are sandwiched from the outside of a predetermined portion of each shaft member 110 of the joint 100. . And inside the corner part in the junction part 100, the corner | angular part plate 20 is inserted between the fixing ribs 12 of the U-shaped steel cover 11 made to oppose, and the center of the bolt hole 13 of the fixing rib 12 is made. The center of the bolt hole 21 of the corner plate 20 is aligned with the bolt 15 and fixed.

  Thereby, in the bolt hole 13 and the bolt hole 21, the bolt 15 is loosely fitted with a gap in both directions. Further, in the connection between the steel reinforcing member 10 and the corner plate 20 via the fixing rib 12, the hypotenuse 20a and the corners 20a correspond to the deformation in the direction in which the shaft member 110 approaches (arrow a direction in FIG. 5). An appropriate gap is secured between the surface of the character steel cover 11 and fixed.

  This is performed with respect to all the shaft members 110 and the corner portions constituting the joint portion 100 to complete the joint portion reinforcing hardware 1. As described above, the steel reinforcing member 10 in the joint reinforcement metal 1 is fixed to the shaft member 110 without being restricted in the longitudinal direction. In the joint reinforcement hardware 1, the U-shaped steel covers 11 are also fixed to each other with the bolts 15 that fix the steel reinforcing member 10 and the corner plate 20. In addition to the bolts 15 for fixing the corner plate 20, fixing ribs and bolts for fixing the U-shaped steel covers 11 may be provided.

The reinforcing action of the joint reinforcing metal 1 assembled in this way will be described.
In the joint reinforcing metal 1, the bolt hole 13 of the steel reinforcing member 10 and the bolt hole 21 of the corner plate 20 are loosely fitted to the bolt 15, and the long hole direction of the bolt hole 13 and the bolt hole 21 is the same. Since they are orthogonal, when the joint member 100 is deformed in the direction in which the shaft member 110 approaches (arrow a direction), as shown in the a part enlarged view -1 and the b part enlarged view 1 in FIG. When the bolt 15 relatively moves in the direction in which the shaft member 110 approaches the part plate 20 and moves by a predetermined amount, the bolt 15 regulates the positions of the bolt holes 13 and 21.

  Therefore, the deformation of the shaft member 110 exceeding a predetermined amount corresponding to the shape of the long holes of the bolt holes 13 and 21 is restricted by the joint reinforcing metal 1, and the steel reinforcing member 10 and the corner plate 20 are connected to the shaft member 110. Therefore, the joint 100 is reinforced by the joint reinforcement hardware 1.

  On the other hand, when the shaft member 110 is deformed in the direction away from the joint member 100 (arrow b direction), as shown in the a-part enlarged view-2 and the b-part enlarged view-2 in FIG. When the bolt 15 moves relative to the shaft member 110 in a direction away from the shaft member 110 and moves by a predetermined amount, the position of the bolt holes 13 and 21 is regulated by the bolt 15.

  Therefore, the deformation of the shaft member 110 exceeding the predetermined amount is restricted by the joint reinforcement metal 1, and the steel reinforcement member 10 and the corner plate 20 are constrained in the direction in which the shaft member 110 moves away, and the joint portion 100 is reinforced by the joint reinforcement metal 1.

  Further, even when the deformation amount of the shaft member 110 exceeds a predetermined amount and the steel reinforcing member 10 is constrained in a predetermined direction, the rubber sheet 14 is provided on the inner surface of the U-shaped steel cover 11. Therefore, due to the buffering action of the rubber sheet 14, the shaft member 110 is damaged by the steel reinforcement member 10 in a state of being restrained in a predetermined direction, for example, the steel reinforcement member 10 bites into the shaft member 110. Can be prevented.

  Thus, the joining part reinforcement metal object 1 which reinforces the joining part 100 which cross | intersects and joins the wooden shaft members 110 mutually surrounds the steel steel reinforcing member 10 surrounding a part of the outer peripheral part in each shaft member 110. And a corner plate 20 that connects the steel reinforcing members 10 to each other inside the corner portion of the joint portion 100, and the steel reinforcing member 10 includes two U-shaped steel covers 11. Since it assembled and comprised, the junction part 100 can be easily reinforced, without damaging the wooden shaft member 110. FIG.

  Specifically, the steel reinforcing member 10 surrounds a part of the outer peripheral portion of each shaft member 110, and the corner plate 20 is configured to connect the steel reinforcing members 10 to each other inside the corner portion of the joint portion 100. Therefore, the steel reinforcing member 10 and the corner plate 20 can be attached to the joint portion 100 and reinforced. Therefore, the joint portion 100 can be easily reinforced without damaging the wooden shaft member 110.

Moreover, even if the junction part reinforcement metal object 1 is the junction part 100 of the existing wooden frame structure, for example, it can be easily reinforced without damaging the wooden shaft member 110.
Specifically, since the steel reinforcing member 10 is configured by assembling a plurality of U-shaped steel covers 11, even in the joint portion 100 of an existing wooden framework structure in which the shaft members 110 are connected to each other. By attaching the U-shaped steel cover 11 to the place where the steel reinforcing member 10 is mounted on each shaft member 110 without using a through bolt or the like that penetrates the shaft member 110, each shaft can be easily assembled. The steel reinforcing member 10 can be mounted in such a manner as to surround a part of the outer peripheral portion of the member 110.

  As described above, the joint reinforcement metal 1 can easily reinforce the joint 100 without damaging the shaft member 110 regardless of whether the wooden frame structure is newly provided or existing. Therefore, by reinforcing the joint portion 100, the earthquake resistance of the wooden frame structure can be improved.

  Moreover, since the rubber sheet 14 is interposed between the steel reinforcing member 10 and the shaft member 110, the joint reinforcing metal 1 can be easily reinforced without damaging the wooden shaft member 110 reliably. Can do. Specifically, even if the wooden frame structure with the wooden shaft member 110 is slightly bent by an external force such as earthquake motion or wind, the wooden structure is more deformable than the steel reinforcing member 10 or the corner plate 20. The shaft member 110 is once elastically deformed and can absorb the external force.

  Thus, by joining the rubber sheet 14 between the wooden shaft member 110 that is deformed by an external force and the steel reinforcing member 10 that is rigidly connected by the corner plate 20, the joint reinforcing metal 1 Even in the joint portion 100 reinforced by the above, the wooden shaft member 110 is effectively deformed with respect to the external force to absorb the external force and, for example, the wooden shaft member 110 in which the non-deformed steel reinforcing member 10 is deformed. It is possible to prevent problems such as biting into and hurting.

  Further, the corner plate 20 and the corner plate 20 are configured so as to allow relative movement of the steel reinforcing member 10 by deformation of the wooden shaft members 110 with the joint 100 by external force as a fulcrum, and restrict relative movement larger than a predetermined amount. The steel reinforcing member 10 is connected to the corner plate 20 and the bolt holes 13 and 21 provided in the steel reinforcing member 10 with the bolts 15 communicating with each other, and the bolt holes 13 and 21 are formed in a long hole shape. The joint portion 100 can be reliably reinforced against an external force that exceeds the deformation performance of the shaft member 110 while effectively utilizing the deformation performance of the wooden shaft member 110 itself in the wooden frame structure.

  Specifically, since the bolt 15 is loosely fitted into the long hole, the play of the bolt 15 makes use of the deformation performance of the wooden shaft member 110 without acting by the corner plate 20 and the steel reinforcing member 10. be able to. On the other hand, when deformation exceeding the play of the bolt 15 with respect to the long hole-shaped bolt holes 13, 21 acts on the wooden shaft member 110, the corner portions are formed by the long hole-shaped bolt holes 13, 21 and the bolt 15. The plate 20 and the steel reinforcing member 10 are restrained in the deformation direction of the wooden shaft member 110, and can reinforce the joint portion 100.

  Further, since the elongated hole directions of the elongated hole-shaped bolt holes 13 and 21 are crossed, the wooden shaft member 110 is simple in structure even against an external force that causes the deformation of the shaft member 110 to vibrate. While effectively utilizing the deformation performance of the shaft member 110, the joint portion 100 can be reliably reinforced against an external force that exceeds the deformation performance of the shaft member 110.

  Specifically, when an external force vibrates like earthquake motion, the relative movement between the steel reinforcing members 10 due to the deformation of the wooden shaft member 110 is the compression direction in the connecting direction of the corner plate 20 (the direction of arrow a in FIG. 5). And in both directions of the tension direction (arrow b direction in FIG. 5). In this way, in the relative movement between the steel reinforcing members 10 in both directions, the corner holes are formed by intersecting the bolt holes 21 of the corner plate 20 with the long hole directions of the bolt holes 13 of the steel reinforcing member 10. It is possible to reliably cope with compression and pulling in any direction of the two-dimensional direction on the plane in the connecting direction of the plate 20. Therefore, while having a simple structure in which the long hole directions in the long hole-shaped bolt holes 13 and 21 connected by the bolt 15 are crossed, a predetermined amount of relative movement can be allowed and restricted with certainty. .

  Further, the steel reinforcing member 10 has a U-shaped steel cover 11 having a U-shaped cross section opposed to the shaft member 110 and is fixed with a bolt 15 by a fixing rib 12. The steel reinforcing member 10 can be mounted without damaging the shaft member 110 without using a through bolt penetrating the shaft member 110 for fixing the reinforcing member 10 made of steel.

  Further, since the steel reinforcing member 10 is not restrained in the longitudinal direction with respect to the shaft member 110, even if the shaft member 110 is deformed, the load in the longitudinal direction when the shaft member 110 is deformed is made of steel. Even when acting via the reinforcing member 10, it is possible to prevent a load from being transmitted to the shaft member 110.

  In addition, although the bolt hole 13 and the bolt hole 21 on both sides of the corner plate 20 are formed in a long hole shape, the one bolt hole 13 and the bolt hole 21 in the corner plate 20 are formed in a long hole shape. The other bolt hole 13 and bolt hole 21 may be formed in a normal circular hole shape in which the bolt 15 is not loosely fitted.

  In the above description, the steel reinforcing member 10 is mounted in the vicinity of the joint portion 100 in the shaft member 110. However, as shown in FIG. 6, the steel reinforcing member 10 is disposed at a position away from the joint portion 100 in the shaft member 110. You may wear it. In this case, instead of the corner plate 20 formed in an isosceles right-angled triangle shape, the steel reinforcing members 10 may be connected to each other by a belt-like band corner plate 20 '. Thereby, while being able to acquire the effect similar to the junction reinforcement metal object 1 which connected the steel reinforcement member 10 with the said corner | angular part plate 20, the steel reinforcement member 10 is mounted in the vicinity of the junction part 100 in the shaft member 110. Even in such a case, the steel reinforcing member 10 can be easily attached.

  In addition, the joint reinforcement 1 using the steel reinforcing member 10 and the corner plate 20 is mounted in the vicinity of the joint 100, and the joint using the steel reinforcing member 10 and the strip-shaped corner plate 20 ′. It is also possible to obtain a double reinforcing effect on the joint 100 by mounting the reinforcement hardware 1 at a position away from the joint 100.

  Next, instead of the corner plate 20, two fan-shaped fan plates 31 are used, and the joint reinforcement metal 1 a using the fan-shaped corner plate 30 constituting the lap portion 32 that is a part of which is overlapped. Will be described with reference to FIG.

  7A shows a front view of one part where the steel reinforcing member 10 is connected by the fan-shaped corner plate 30 in the joint reinforcing metal 1a, and FIG. 7B shows a side view of the same part. FIG. 7C shows a rear view of the same part.

  Moreover, the a part enlarged view -1 in FIG. 7 shows the enlarged view at the time of deform | transforming in the direction (arrow a direction) which the shaft member 110 approaches in the a part in FIG. 7 (a), and the a part enlarged view in FIG. -2 shows an enlarged view when the shaft member 110 is deformed in the direction (arrow b direction) away from the part a in FIG.

  The joint reinforcement metal 1a includes a steel reinforcing member 10, a fan-shaped corner plate 30, and a bolt 15 that connects the steel reinforcing member 10 and the fan-shaped corner plate 30. In addition, since the steel reinforcement member 10 and the volt | bolt 15 are the same as the steel reinforcement member 10 and the volt | bolt 15 in the above-mentioned joining part reinforcement metal fitting 1, description is abbreviate | omitted.

  The fan-shaped corner plate 30 instead of the corner plate 20 in the joint reinforcing metal 1 is composed of two fan-shaped fan plates 31 each having a central angle of about 45 ° or more and having a central angle of 45 ° or more. The bolt holes 33 that allow the bolts 15 to pass therethrough are formed in the lap portions 33 near the center of the lap portions 33 so as to wrap at an angle of about 10 ° in the vicinity. The bolt hole 33 is formed in a substantially arc-shaped long hole shape with respect to the bolt 15. In addition, the connection of the steel reinforcing member 10 and the fan plate 31 via the fixed rib 12 is connected using a bolt and a bolt hole in which the bolt is not loosely fitted.

  Since the bolt 15 and the bolt hole 33 are loosely fitted in the lap portion 32 of the fan-shaped corner plate 30, the joint reinforcing metal 1 a configured in this way is in the direction in which the shaft member 110 approaches (direction of arrow a). 7), the bolt 15 relatively moves in the bolt hole 33 in the direction in which the shaft member 110 approaches, and when the bolt 15 moves by a predetermined amount, as shown in FIG. The position of is regulated.

  Therefore, the deformation of the shaft member 110 exceeding the predetermined amount is restricted by the joint reinforcement metal 1a, and the steel reinforcement member 10 and the fan-shaped corner plate 30 are constrained in the direction in which the shaft member 110 approaches, The part 100 is reinforced by the joint reinforcement metal 1a.

  On the other hand, when the shaft member 110 is deformed in the direction in which the shaft member 110 moves away (in the direction of arrow b) in the joint portion 100, the bolt 15 is bolted in the direction in which the shaft member 110 moves away as shown in FIG. The position of the bolt hole 33 is regulated by the bolt 15 when it moves relative to the inside 33 and moves by a predetermined amount.

  Therefore, the deformation of the shaft member 110 exceeding this predetermined amount is restricted by the joint reinforcement metal 1a, and the steel reinforcement member 10 and the fan-shaped corner plate 30 are constrained in the direction in which the shaft member 110 moves away. The part 100 will be reinforced by the joint reinforcement hardware 1.

  As described above, the joint reinforcing metal piece 1a using the fan-shaped corner plate 30 effectively utilizes the deformation performance of the wooden shaft member 110 itself while having a simple structure, and the deformation performance of the shaft member 110. Therefore, it is possible to reliably reinforce the joint portion 100 against an external force exceeding.

  Specifically, since the bolt 15 is loosely fitted into the long hole-shaped bolt hole 33, the wooden shaft member is not acted on by the play of the bolt 15 without the reinforcement by the steel reinforcing member 10 and the fan-shaped corner plate 30. The deformation performance of 110 can be utilized. On the other hand, when deformation exceeding the play of the bolt 15 with respect to the long hole-shaped bolt hole 33 acts on the wooden shaft member 110, the bolt hole 33 is regulated by the long hole-shaped bolt 15, and the steel reinforcing member 10. And the fan-shaped corner | angular part plate 30 is restrained in a deformation | transformation direction, and can reinforce the junction part 100. FIG.

  Subsequently, instead of the corner plate 20 or the fan-shaped corner plate 30, a wedge corner portion for inserting the insertion-side fan plate 42 whose thickness changes between the two fan-shaped frame-side fan plates 41. The joint reinforcement metal 1b using the plate 40 will be described with reference to FIG. 8A shows a front view of one part where the steel reinforcing member 10 is connected by the wedge corner plate 40 in the joint reinforcing metal 1b, and FIG. 8B shows a side view of the same part. FIG. 8C shows a rear view of the same part. Moreover, the enlarged view of a part in FIG. 8 has shown the enlarged view of the a part in FIG.8 (b).

  The joint reinforcement metal 1b includes a steel reinforcement member 10, a wedge corner plate 40, and bolts 15 that connect the steel reinforcement member 10 and the wedge corner plate 40. In addition, since the steel reinforcement member 10 and the volt | bolt 15 are the same as the steel reinforcement member 10 and the volt | bolt 15 in the above-mentioned joining part reinforcement metal fitting 1, description is abbreviate | omitted.

  The wedge corner plate 40 instead of the corner plate 20 in the joint reinforcement hardware 1 is composed of two fan-shaped frame side fan plates 41 each having a central angle of about 55 ° which is 45 ° or more. The fan plate 42 is fixed to one steel reinforcing member 10 with the thickness of the fan plate 42 being separated.

  Then, the other steel reinforcing member 10 is wrapped at an angle of about 10 ° in the vicinity of the center of the corner portion, and the outer side of the wrap portion 43 is the shaft on the other side as shown in the enlarged view of FIG. The insertion-side fan plate 42 having a thickness increasing portion 42a that increases in a wedge shape when viewed from the side is fixed to the member 110.

  Further, the two frame-side fan plates 41 and the insertion-side fan plate 42 have bolts 15 passing through bolt holes 44 formed in the lap portion 43. The bolt hole 44 is formed in a substantially arc-shaped long hole shape with respect to the bolt 15. Further, the frame-side fan plate 41 and the insertion-side fan plate 42 are connected to the steel reinforcing member 10 via the fixing ribs 12 using bolts and bolt holes in which the bolts are not loosely fitted.

  Since the bolt 15 and the bolt hole 44 are loosely fitted, the joint reinforcement metal 1b configured in this way is enlarged in a part of FIG. 8 when deformed in the direction in which the shaft member 110 approaches (arrow a direction). As shown in the figure, the thickness increasing portion 42a moves so as to interrupt between the frame side fan plates 41. However, when the thickness increasing portion 42a moves by a predetermined amount e or more, the thickness increasing portion 42a bites into the frame side fan plate 41 and the frame side fan plate is moved. The position of the insertion side fan plate 42 with respect to 41 is regulated.

  Therefore, the deformation of the shaft member 110 exceeding the predetermined amount e is restricted by the joint reinforcing metal 1b, and the steel reinforcing member 10 and the wedge corner plate 40 are constrained in the direction in which the shaft member 110 approaches, The part 100 is reinforced by the joint reinforcement metal 1b.

  On the other hand, when the shaft member 110 is deformed in the direction (arrow b direction) away from the joint 100, the position of the bolt hole 44 is regulated by the bolt 15, and the steel reinforcing member 10 and the wedge corner plate 40 are The shaft member 110 is constrained in a direction away from the shaft member 110, and the joint portion 100 is reinforced by the joint portion reinforcing hardware 1.

  As described above, the joint reinforcing metal piece 1b using the wedge corner plate 40 effectively utilizes the deformation performance of the wooden shaft member 110 itself, while having a simple structure, and the deformation performance of the shaft member 110. Therefore, it is possible to reliably reinforce the joint portion 100 against an external force exceeding.

In correspondence between the configuration of the present invention and the above-described embodiment,
The shaft member of the present invention corresponds to the shaft member 110, the column member 120, and the beam members 130 and 140,
Similarly,
The joint reinforcement structure corresponds to the joint reinforcement hardware 1, 1a, 1b,
The connection reinforcing member corresponds to the corner plate 20, the strip-shaped corner plate 20 ′, the fan-shaped corner plate 30, and the wedge corner plate 40,
The steel parts correspond to the U-shaped steel cover 11,
The cushioning material corresponds to the rubber sheet 14,
The relative movement restricting means corresponds to the bolt holes 13, 21, 33 into which the bolts 15 are loosely fitted, and the thickness increasing portion 42a of the insertion side fan plate 42 to be inserted into the frame side fan plate 41,
The connecting parts correspond to the fan plate 31, or the frame side fan plate 41 and the insertion side fan plate 42,
The connection bolt holes correspond to the bolt holes 33 and 44,
The connecting bolt corresponds to the bolt 15,
The present invention is not limited only to the configuration of the above-described embodiment, and many embodiments can be obtained.

  For example, in the above-described embodiment, the joint reinforcing metal 1 is attached and reinforced to the joint 100 in which the beam members 130 and 140 are connected to the column member 120 from four directions. It may be reinforced by attaching the joint reinforcement hardware 1 to the joint portion of the shaft member that is not orthogonal, such as the inverted T-shape or the corner joint portion 100 to which the column member 120 is connected, or the rafter and eaves girder. .

  Further, on the facing surface of the corner plate 20 and the fixing rib 12, the facing surface of the fan plates 31 in the wrap portion 32, or the facing surface of the frame side fan plate 41 and the insertion side fan plate 42 in the wrap portion 43, A coating capable of obtaining a desired frictional force such as a friction reducing coating or a friction increasing coating may be applied. Thereby, the deformation | transformation performance of shaft member 110 itself and the reinforcement effect | action by the steel reinforcement member 10 used as the state restrained in the predetermined direction by the bolt hole and the volt | bolt can be controlled to a desired state.

  Further, the bolt 15 is composed of a high-tension bolt capable of friction joining, and the bolt 15 is screwed into the deformable performance of the shaft member 110 itself, and the steel is constrained in a predetermined direction by the bolt hole and the bolt. The reinforcing action by the reinforcing member 10 may be controlled to a desired state.

DESCRIPTION OF SYMBOLS 1, 1a, 1b ... Joint reinforcement metal 10 ... Steel reinforcement member 11 ... U-shaped steel cover 13, 21, 33, 44 ... Bolt hole 14 ... Rubber sheet 15 ... Bolt 20 ... Corner plate 20 ' ... strip-shaped corner plate 30 ... fan-shaped corner plate 31 ... fan plate 32 ... wrap portion 40 ... wedge corner plate 41 ... frame side fan plate 42 ... insertion side fan plate 42a ... thickness increasing portion 100 ... junction 110 ... Shaft member 120 ... Pillar member 130,140 ... Beam member

Claims (6)

It is a joint part reinforcement structure that reinforces a joint part that crosses and joins wooden shaft members,
A steel reinforcing member made of steel surrounding a part of the outer periphery of each shaft member;
It is composed of a connection reinforcing member for connecting the steel reinforcing members to each other inside the corner portion of the joint portion,
The steel reinforcing member,
A joint reinforcement structure constructed by assembling multiple steel parts. The joint reinforcement structure according to claim 1, wherein a buffer material is interposed between the steel reinforcing member and the shaft member. The relative movement restricting means for allowing relative movement of the steel reinforcing member by deformation of the wooden shaft members with the joint portion by an external force as a fulcrum and restricting relative movement larger than a predetermined amount is provided. The joint reinforcement structure according to 2. The connection reinforcing member and the steel reinforcing member are connected with bolts communicating with bolt holes provided in the connection reinforcing member and the steel reinforcing member,
The relative movement restricting means;
The joint reinforcement structure according to claim 3, comprising the bolt hole formed in a long hole shape corresponding to the relative movement of the steel reinforcing member to be allowed. The elongated hole-shaped bolt hole is provided in the connection reinforcing member and the steel reinforcing member,
The joint reinforcement structure according to claim 4, wherein the bolt hole of the connection reinforcing member intersects the long hole direction of the bolt hole of the steel reinforcing member. The connection reinforcing member;
Consists of a plurality of connecting parts having a lap portion that overlaps a part of the connecting direction connecting the steel reinforcing members,
The connection parts are connected to each other with a connection bolt that communicates with a connection bolt hole provided in each of the lap parts,
The relative movement restricting means;
The joint reinforcement structure according to claim 3, comprising the connection bolt hole formed in a long hole shape corresponding to the relative movement of the steel reinforcing member to be allowed.

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