JP4257681B2 - Seismic reinforcement bracing tool and seismic reinforcement bracing tool construction method - Google Patents

Description

Detailed Description of the Invention

Industrial application fields

The present invention relates to a seismic reinforcing bracing tool and a seismic reinforcing bracing tool construction method, which can be easily installed without removing a floor material or a ceiling base between a horizontal member and a foundation of an existing wooden house or between two horizontal members The present invention relates to a seismic reinforcement bracing tool and a seismic reinforcement bracing tool construction method that can improve seismic resistance and seismic isolation.

Conventionally, when building a framework in wooden construction, it has been common to improve the seismic performance by reinforcing the wooden building by placing braces between the base and pillar material, and the crossing of the beam and pillar material. is there. In addition, braces for wooden buildings have been created to improve seismic performance (see, for example, Patent Document 1).
However, in such a bracing, in order to distribute it to an existing wooden building, at least the flooring and the ceiling member must be removed, then the bracing is arranged, and after the bracing is arranged, the flooring and the ceiling member must be attached again. The work process was complicated.

Japanese Patent Laid-Open No. 10-266346

Problems to be solved by the invention

The present invention has been made in view of such circumstances, and the seismic reinforcement bracing tool and the seismic reinforcement bracing tool construction that can improve the seismic performance and can be easily disposed without removing the flooring and ceiling members. The purpose is to provide a method.

Means for solving the problem

The invention described in claim 1 is a seismic reinforcement bracing device disposed between a horizontal member and a foundation in an existing wooden house, and a cylinder threaded on the outer periphery and screwed into the horizontal member. A first bracing member that is inserted into the cylindrical body having a thread threaded at one end and a head having a diameter larger than the inner diameter of the cylindrical body at the other end; and at least one end A second bracing member that is threaded and screwed into the foundation and the other end is fixed; and a connecting member that is provided with a screwing hole that is screwed into the thread of the first and second bracing members. A seismic reinforcement characterized in that a required number of slit-shaped notches are provided at one end of the rod-like body in the longitudinal direction and an expanding portion is formed that expands when the head is located within the one end. Providing braces.

The invention according to claim 2 is a seismic reinforcement bracing device arranged between two horizontal members in an existing wooden house, wherein a thread is threaded on the outer periphery and screwed into each horizontal member. 1. A first and second cylindrical body, and a screw thread is threaded at one end and a head having a diameter larger than at least the inner diameter of the cylindrical body is provided at the other end and is inserted into the cylindrical body. A bracing member, and a connecting member provided with a threaded hole for screwing into the threads of the first and second bracing members, and at one end of the first and second tubular bodies, a required number in the longitudinal direction. Provided is a seismic reinforcing bracing device characterized in that it is provided with a slit-shaped notch and an expanded portion is formed that expands when the head is positioned within one end.

The invention according to claim 3 is a seismic reinforcement bracing device construction method disposed between a horizontal member and a foundation in an existing wooden house, wherein a thread is threaded on the outer periphery and a longitudinal end is provided on one end. A cylindrical body provided with a required number of slit-shaped notches in the direction and a required number of engaging recesses at the other end, and a thread threaded at one end and at least a cylindrical body at the other end A first bracing member having a head larger than the inner diameter of the first bracing member, a second bracing member having a thread threaded at least on one end, a connecting member provided with a screwing hole, The cylindrical member is provided with a required number of engaging convex portions that engage with the engaging concave portion. First, at least a hole having a diameter smaller than the outer diameter of the cylindrical body is provided in the horizontal member, and at least the second bracing member is provided. When a hole having a diameter larger than the outer diameter is provided in the base, and the adhesive is filled in the hole provided in the base, First, the other end of the second bracing member is inserted, and a cylindrical body in which the first bracing member is inserted in advance is screwed into a hole provided in the horizontal member, and the first and second bracing members are connected via the connecting member. And after the adhesive is hardened, the first and second bracing members are tightened via the connecting member so that the head is positioned within one end of the cylindrical body and is expanded. To provide seismic reinforcement bracing equipment construction method.

The invention according to claim 4 is a seismic reinforcement bracing device construction method disposed between two horizontal members in an existing wooden house, wherein a thread is threaded on the outer periphery, and one end in a longitudinal direction. A first and second cylindrical bodies provided with a required number of slit-shaped notches and a required number of engaging recesses at the other end, and threaded at one end and at least at the other end First and second bracing members having heads larger than the inner diameters of the first and second cylindrical bodies, a connecting member provided with a screwing hole, and an engagement portion at the end. It comprises a cylindrical member provided with a required number of engaging projections to be joined. First, at least holes having a diameter smaller than the outer diameter of the first and second cylindrical bodies are provided in the two horizontal members, respectively. The first and second bracing members are respectively screwed into the first and second tubular members that are inserted through the first and second bracing members in advance, and the first and second bracing members are connected via the connecting members. First the head coupling to provide a seismic reinforcement struts tool construction method characterized by formed by widened is positioned within one end of the second tubular member.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic perspective view showing a first bracing member and a tubular body according to an embodiment of the present invention, and FIG. 2 is a schematic cross-sectional view for explaining a method for constructing a seismic reinforcement bracing device according to an embodiment of the present invention. 3 is a schematic cross-sectional view for explaining a method for constructing a seismic reinforcing brace according to one embodiment of the present invention, as in FIG. 2, and FIG. 4 is according to one embodiment of the present invention, similarly to FIG. FIG. 5 is a schematic cross-sectional view for explaining an earthquake-resistant reinforcement bracing tool construction method, FIG. 5 is a schematic cross-sectional view for explaining an earthquake-resistant reinforcement bracing tool construction method according to one embodiment of the present invention, as shown in FIG. FIG. 7 is a schematic perspective view for explaining a method for constructing a seismic reinforcement bracing device according to an embodiment of the present invention as in FIG. 2, and FIG. 7 is a seismic reinforcement bracing device according to an embodiment of the present invention as in FIG. FIG. 8 is a schematic perspective view for explaining the construction method, and FIG. Schematic cross-sectional view for explaining the seismic reinforcement struts tool construction method according to 施例, FIG. 9 is a schematic cross-sectional view for explaining the seismic reinforcement struts tool construction method according to another embodiment of the present invention.

(1) is a seismic reinforcement bracing tool arranged between a horizontal member (18) and a foundation (19) in an existing wooden house, and this seismic reinforcement bracing tool (1) is a first and second bracing. It consists of member (2) (3), a cylindrical body (4), and a connection member (5).
A thread (6) is threaded at one end of the first bracing member (2), and a head (7) having a diameter larger than at least the inner diameter of the cylindrical body (4) is formed at the other end. The shape of the head (7) may be formed in a taper shape in cross section, a substantially oval shape in cross section, or a substantially spherical shape.
A thread (8) is threaded on at least one end of the second bracing member (3). In addition, you may screw a screw thread (17) in the other end of this 2nd bracing member (3).
As shown in FIG. 1, a thread (9) is threaded on the outer periphery of the cylindrical body (4), and a required number of slit-shaped notches (in the longitudinal direction) are formed at one end of the cylindrical body (4). 10) (10)... Are formed, and an expanded portion (11) is formed which expands when the head (7) is positioned within one end. In addition, a required number of engaging recesses (12), (12),... Are provided at the other end.
The connecting member (5) is provided with a screw hole (13).
The first and second bracing members (2) and (3), the tubular body (4), and the connecting member (5) are preferably made of stainless steel, which is a highly tensile material, but is not limited thereto. As long as the material has high tensile properties, iron, titanium, carbon fiber, fine ceramic, etc. are employed.

Next, the construction method to this wooden house of this seismic reinforcement reinforcement tool (1) is demonstrated based on FIG. 2 thru | or FIG. First, a hole (14a) having a required length smaller than the outer diameter of at least the cylindrical body (4) is provided in the horizontal member (18), and at least the second bracing member (3) is provided in the foundation (19). A hole (14b) having a required length larger than the outer diameter is provided. Of course, when the hole (14a) is provided in the horizontal member (18), the through hole (21a) is provided in the ceiling base (20), and when the hole (14b) is provided in the foundation (19), the floor material (22) or joist ( 23) are provided with through holes (21b) and (21c), respectively.
As shown in FIG. 3, the two holes (14a) and (14b) are provided so that the respective axes (24) are substantially straight. In order to provide the axis (24) of the holes (14a) and (14b) to be substantially in a straight line, an insertion hole (not shown) is provided in the ceiling base (20) and the flooring (22). The scope (18) and the position (hereinafter referred to as a reference point) where the holes (14a) and (14b) of the foundation (19) are formed are confirmed by inserting the scope. Thereafter, laser light is emitted using a laser line marker so as to connect the reference points, and through holes (21a) (21b) (21c) and holes (14a) (14b) are formed in accordance with the laser light. Further, without using a laser line marker, a thread or string is stretched so as to connect the reference points, and through holes (21a) (21b) (21c) and holes (14a) (14b) are formed in accordance with the thread or string. May be.

The hole (14b) provided in the foundation (19) is filled with an adhesive (not shown), and the other end of the second bracing member (3) is inserted as shown in FIG.
The cylindrical body (4) through which the first bracing member (2) has been inserted in advance is screwed into the hole (14a) provided in the horizontal member (18). A cylindrical member (15) is used to screw the cylindrical body (4) onto the horizontal member (18). As shown in FIG. 7, a required number of engaging projections (16), (16)... Are provided at the end of the cylindrical member (15), and the engaging projections (16) (16). Are engaged with the engaging recesses (12), (12), and the cylindrical body (4) is screwed to the horizontal member (20) as shown in FIG.
The first bracing member (2) is arranged such that the head (7) is positioned on the side of the cylindrical body (4) where the notches (10), (10), ... are provided.
Subsequently, a 1st bracing member (2) and a 2nd bracing member (3) are connected via a connection member (5). After the adhesive is cured, the first and second bracing members (2) and (3) are tightened through the connecting member (5). By this tightening, the head (7) is gradually fitted into the cylindrical body (4), and one end of the cylindrical body (4) is expanded as shown in FIGS. ) Is formed.

Thus, by tightening the first and second bracing members (2) and (3) via the connecting member (5), the head (7) gradually fits into the tubular body (4), and the tubular shape Since one end of the body (4) is expanded and the expanded portion (11) is formed in the horizontal member (18), the seismic reinforcement bracing tool (1) is used for the horizontal member (18) of the existing wooden house. Can be firmly attached between the base and the foundation (19) to improve the earthquake resistance, and the installation work can be easily performed without removing the ceiling member (20) and the flooring (22). it can.

Next, another embodiment of the present invention will be described.
(1a) is an anti-seismic reinforcement bracing tool arranged between two horizontal members (18) (18) in an existing wooden house, and this seismic retrofit bracing tool (1a) is a first and second bracing member ( 2a) (3a), a cylindrical body (4a) (4a), and a connecting member (5).
A thread is threaded at one end of the first and second bracing members (2a) (3a), and a head having a diameter larger than the inner diameter of at least the cylindrical bodies (4a) (4a) is formed at the other end. ing. The shape of the head may be formed into a tapered shape in cross section, a substantially elliptic shape in cross section, or a substantially spherical shape.
A thread is threaded on the outer periphery of each of the cylindrical bodies (4a) and (4a), and one end of the cylindrical body is provided with a required number of slit-shaped notches in the longitudinal direction, and the head is one end. The expansion part (11a) (11a) which expands when it is located in is formed. The other end is provided with a required number of engaging recesses.
The connecting member (5) is provided with a screw hole.
The first and second bracing members (2a) and (3a), the cylindrical bodies (4a) and (4a), and the connecting member (5) are preferably made of stainless steel, which is a highly tensile material. If it is a material with high tensile property, iron, titanium, carbon fiber, fine ceramic, etc. are adopted.

Next, the construction method to this wooden house of this seismic reinforcement reinforcement tool (1a) is demonstrated based on FIG.8 and FIG.9. First, as shown in FIG. 8, holes (14a) (14a) having a required length smaller than the outer diameter of at least the cylindrical bodies (4a) (4a) are formed in the two horizontal members (18) (18). Provide. Of course, when the holes (14a) (14a) are provided in the horizontal member (18) arranged on the ceiling base (20) side, the through holes (21a) are provided in the ceiling base (20), and the floor material (22) side is provided. When the hole (14a) is provided in the horizontal member (18) disposed in the floor, the through hole (21b) is provided in the floor material (22) and the joist (not shown).
As shown in FIG. 8, the two holes (14a) and (14a) are provided so that the respective axes (24) are substantially straight. In order to provide the axis (24) of the holes (14a) and (14a) to be substantially in a straight line, an insertion hole (not shown) is provided in the ceiling base (20) and the flooring (22). Insert a scope and check the reference point. Thereafter, laser light is emitted using a laser line marker so as to connect the reference points, and through holes (21a) (21b) and holes (14a) (14a) are formed in accordance with the laser light. Further, without using a laser line marker, a thread or string is stretched so as to connect the reference points, and through holes (21a) (21b) and holes (14a) (14a) are formed in accordance with the thread or string. Good.

Cylindrical bodies (4a) (4a) with first and second bracing members (2a) (3a) inserted in advance into the holes (14a) (14a) provided in the horizontal members (18) (18) are screwed. To do. A cylindrical member (15) is used to screw the cylindrical bodies (4a) (4a) to the horizontal members (18) (18). A required number of engaging protrusions (16), (16),... Are provided at the end of the cylindrical member (15), and the engaging protrusions (16), (16),. .. Are engaged with the mating recesses (12), (12)... And the cylindrical bodies (4b) and (4b) are screwed to the horizontal members (20) and (20) by a screw action.
The first and second bracing members (2a) and (3a) are arranged so that their heads are located on the side where the cutout portions of the cylindrical bodies (4a) and (4a) are provided.
Next, the first bracing member (2a) and the second bracing member (3a) are coupled via the coupling member (5), and the first and second bracing members (2a) (3a) are coupled via the coupling member (5b). Tighten. By this tightening, the head gradually fits into the cylindrical bodies (4a) and (4a), and as shown in FIG. 9, one end of the cylindrical bodies (4a) and (4a) expands to expand the expanded portion (11a ) (11a) is formed.

Thus, by tightening the first and second bracing members (2a) and (3a) via the connecting member (5), the head gradually fits into the cylindrical bodies (4a) and (4a). Since one end of the body (4a) (4a) is expanded and the expanded portions (11a) (11a) are formed in the horizontal members (18) and (18), respectively, the seismic reinforcement reinforcement tool (1a) It can be firmly attached between the two horizontal members (18) and (18) of the wooden house, improving the earthquake resistance, and easily without removing the ceiling member (20) and flooring (22) Arrangement work can be performed.

The invention's effect

As described above, the invention described in claim 1 is a seismic reinforcement bracing device arranged between a horizontal member and a foundation in an existing wooden house, and a screw thread is engraved on the outer periphery of the horizontal member. A cylindrical body to be screwed, and a first bracing member inserted into the cylindrical body having a screw thread at one end and a head having a diameter larger than at least the inner diameter of the cylindrical body at the other end A second bracing member in which a screw thread is threaded at least at one end and the other end is embedded and fixed in the foundation, and a connecting member provided with a screwing hole to be screwed into the screw thread of the first and second bracing members The cylindrical body is provided with a required number of slit-shaped notches in the longitudinal direction and an expanded portion that expands when the head is positioned within the one end. Since it is a seismic reinforcement bracing tool, it has the following effects.
That is, by tightening the first and second bracing members via the connecting member, the head gradually fits into the cylindrical body, and one end of the cylindrical body expands to form an expanded portion in the horizontal member. Therefore, it can be firmly attached between the horizontal member of the existing wooden house and the foundation, and the seismic resistance can be improved.

The invention according to claim 2 is a seismic reinforcement bracing device arranged between two horizontal members in an existing wooden house, wherein a thread is threaded on the outer periphery and screwed into each horizontal member. 1. A first and second cylindrical body, and a screw thread is threaded at one end and a head having a diameter larger than at least the inner diameter of the cylindrical body is provided at the other end and is inserted into the cylindrical body. A bracing member, and a connecting member provided with a threaded hole for screwing into the threads of the first and second bracing members, and at one end of the first and second tubular bodies, a required number in the longitudinal direction. Since it is a seismic reinforcement bracing tool characterized in that it is provided with a slit-shaped notch and an expanded portion is formed that expands when the head is positioned within one end, the following effects are obtained.
That is, by tightening the first and second bracing members via the connecting member, the head gradually fits into the cylindrical body, and one end of the cylindrical body expands to form an expanded portion in the horizontal member. Therefore, it can be firmly attached between the horizontal members of the existing wooden house, and the earthquake resistance can be improved.

The invention according to claim 3 is a seismic reinforcement bracing device construction method disposed between a horizontal member and a foundation in an existing wooden house, wherein a thread is threaded on the outer periphery and a longitudinal end is provided on one end. A cylindrical body provided with a required number of slit-shaped notches in the direction and a required number of engaging recesses at the other end, and a thread threaded at one end and at least a cylindrical body at the other end A first bracing member having a head larger than the inner diameter of the first bracing member, a second bracing member having a thread threaded at least on one end, a connecting member provided with a screwing hole, The cylindrical member is provided with a required number of engaging convex portions that engage with the engaging concave portion. First, at least a hole having a diameter smaller than the outer diameter of the cylindrical body is provided in the horizontal member, and at least the second bracing member is provided. When a hole having a diameter larger than the outer diameter is provided in the base, and the adhesive is filled in the hole provided in the base, First, the other end of the second bracing member is inserted, and a cylindrical body in which the first bracing member is inserted in advance is screwed into a hole provided in the horizontal member, and the first and second bracing members are connected via the connecting member. And after the adhesive is hardened, the first and second bracing members are tightened via the connecting member so that the head is positioned within one end of the cylindrical body and is expanded. Since it is a seismic reinforcement reinforcement tool construction method, it has the following effects.
That is, by tightening the first and second bracing members via the connecting member, the head gradually fits into the cylindrical body, and one end of the cylindrical body expands to form an expanded portion in the horizontal member. Therefore, it can be firmly attached between the horizontal member of the existing wooden house and the foundation, improving the earthquake resistance, and can be easily installed without removing the ceiling member and flooring. It can be carried out.

The invention according to claim 4 is a seismic reinforcement bracing device construction method disposed between two horizontal members in an existing wooden house, wherein a thread is threaded on the outer periphery, and one end in a longitudinal direction. A first and second cylindrical bodies provided with a required number of slit-shaped notches and a required number of engaging recesses at the other end, and threaded at one end and at least at the other end First and second bracing members having heads larger than the inner diameters of the first and second cylindrical bodies, a connecting member provided with a screwing hole, and an engagement portion at the end. It comprises a cylindrical member provided with a required number of engaging projections to be joined. First, at least holes having a diameter smaller than the outer diameter of the first and second cylindrical bodies are provided in the two horizontal members, respectively. First and second tubular members, which are inserted through the first and second bracing members in advance, are screwed together, and the first and second bracing members are connected via the connecting members. First the head linked to, since it is Retrofit bracing tool construction method is positioned within one end of the second tubular body and characterized by being widened, the following effects.
That is, by tightening the first and second bracing members via the connecting member, the head gradually fits into the cylindrical body, and one end of the cylindrical body expands to form an expanded portion in the horizontal member. Therefore, it can be firmly attached between the horizontal members of the existing wooden house, can improve the earthquake resistance, and can be easily installed without removing the ceiling member and flooring. .

It is a schematic perspective view which shows the 1st bracing member and cylindrical body which concern on one Example of this invention. It is a schematic sectional drawing for demonstrating the earthquake-proof reinforcement bracing tool construction method which concerns on one Example of this invention. It is a schematic sectional drawing for demonstrating the earthquake-resistant reinforcement bracing tool construction method which concerns on one Example of this invention similarly to FIG. It is a schematic sectional drawing for demonstrating the earthquake-resistant reinforcement bracing tool construction method which concerns on one Example of this invention similarly to FIG. It is a schematic sectional drawing for demonstrating the earthquake-resistant reinforcement bracing tool construction method which concerns on one Example of this invention similarly to FIG. It is a schematic perspective view for demonstrating the seismic-reinforcement bracing tool construction method which concerns on one Example of this invention like FIG. It is a schematic perspective view for demonstrating the seismic-reinforcement bracing tool construction method which concerns on one Example of this invention like FIG. It is a schematic sectional drawing for demonstrating the earthquake-resistant reinforcement bracing tool construction method which concerns on the other Example of this invention. It is a schematic sectional drawing for demonstrating the earthquake-resistant reinforcement bracing tool construction method which concerns on the other Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seismic reinforcement bracing tool 1a Seismic reinforcement bracing tool 2 1st bracing member 2a 1st bracing member 3 2nd bracing member 3a 2nd bracing member 4 Tubular body 4a Tubular body 5 Connecting member 6 Thread 7 Head 8 Thread DESCRIPTION OF SYMBOLS 9 Thread 10 Notch part 11 Expanded part 11a Expanded part 12 Engagement recessed part 13 Screwing hole 14a Hole 14b Hole 15 Cylindrical member 16 Engagement convex part 17 Thread 18 Horizontal member 19 Base 20 Ceiling base 21a Through hole 21b through-hole 21c through-hole 22 flooring 23 joist 24 axis

Claims (4)

A seismic reinforcement bracing device placed between a horizontal member and a foundation in an existing wooden house, with a cylindrical body threaded on the outer periphery and screwed into the horizontal member, and a thread on one end And a first bracing member inserted into the cylindrical body, the other end of which is provided with a head having a diameter larger than the inner diameter of the cylindrical body, and a thread is threaded at least at one end. A second bracing member having the other end embedded and fixed thereto, and a connecting member provided with a threaded hole threadedly engaged with the thread of the first and second bracing members. A seismic reinforcement bracing device, wherein a required number of slit-shaped notches are provided, and an expanded portion is formed that expands when the head is positioned within one end. A seismic reinforcement bracing device disposed between two horizontal members in an existing wooden house, wherein first and second cylindrical bodies are threaded on the outer periphery and screwed into the respective horizontal members. The first and second bracing members are threaded at one end and at the other end are provided with a head having a diameter larger than at least the inner diameter of the cylindrical body, and are inserted into the cylindrical body; The connecting member is provided with a screw hole that is screwed into the thread of the two reinforcing members, and a required number of slit-like notches are provided in one end of the first and second cylindrical bodies in the longitudinal direction. A seismic reinforcing bracing device, wherein an expanding portion is formed that expands when the head is positioned within one end. This is a method of constructing bracing equipment for seismic reinforcement that is arranged between a horizontal member and a foundation in an existing wooden house, with a thread threaded on the outer periphery and a required number of slit-like shapes in the longitudinal direction at one end A cylindrical body provided with a notch and a required number of engaging recesses at the other end, and a head threaded at one end and having a diameter larger than at least the inner diameter of the cylindrical body at the other end A first bracing member formed with a portion, a second bracing member threaded at least at one end, a connecting member provided with a screw hole, and an engagement portion engaging with the engaging recess at the end portion. It is composed of a cylindrical member provided with a required number of joint protrusions. First, at least a hole having a diameter smaller than the outer diameter of the cylindrical body is provided in the horizontal member, and at least a hole having a diameter larger than the outer diameter of the second bracing member is provided. Provided in the foundation, and the hole provided in the foundation is filled with adhesive and the second bracing member Inserting the end, screwing the cylindrical body through which the first bracing member is inserted in advance into the hole provided in the horizontal member, connecting the first and second bracing members via the connecting member, and the adhesive A method for constructing an earthquake-resistant reinforcing bracing device, comprising: first and second bracing members are tightened via a connecting member after being hardened, and the head portion is positioned within one end of the cylindrical body to expand. A method for constructing bracing equipment for seismic reinforcement that is arranged between two horizontal members in an existing wooden house, in which a thread is threaded on the outer periphery and a required number of slit-shaped notches in the longitudinal direction at one end Are provided, and the other end is provided with a required number of engaging recesses at the other end, and a thread is threaded at one end and at least the first and second tubular bodies at the other end. The first and second bracing members, each having a head larger than the inner diameter, a connecting member provided with a screwing hole, and an engaging convex portion that engages with the engaging concave portion at the end are required. The first and second bracing members are provided in advance in the two horizontal members, each having at least holes smaller than the outer diameters of the first and second tubular bodies. The first and second cylindrical bodies inserted through the screw are respectively screwed together, and the first and second bracing members are connected via a connecting member to , Retrofit bracing tool construction method characterized by formed by widened is positioned within one end of the second tubular member.

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