JP3045209U - Simple seismic retrofit structure for wooden house - Google Patents

Abstract

(57) [Abstract] [Problem] An economy that can be installed easily with little modification or destruction of structures, while the overall balance of wooden building houses is destroyed and destroyed due to the shake of the earthquake Create a simple and earthquake-resistant reinforcement structure for a long-lasting wooden building house. SOLUTION: At least four metal seismic isolation bars are provided at the four corners of a wooden building from the joint of a beam and a pillar, and completely connected directly to the foundation concrete foundation. In addition, in the case of an existing old wooden building house, by connecting the metal material seismic isolation bars and the anchor bolts that are integrated with the newly provided foundation concrete, the roll of the earthquake received in the upper part of the building (maximum) Acceleration gal) to a level close to the ground floor.
In addition, in order to prevent the weakness of wooden struts, M-type seismic bars are installed on one side of the building to provide antiseptic and gravity resistant seismic bars. It is a reinforcing means that transmits, absorbs, stabilizes the balance of buildings for a long time, and provides earthquake resistance.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention prevents the upper part of a wooden house from being bent or deformed by keeping the maximum acceleration due to the rolling at the time of the earthquake close to the ground floor and to about the same acceleration. This is related to the seismic structure of new and existing wooden houses, assuming that the balance of the entire building is maintained.

[0002]

[Prior art]

 Conventionally, in order to maintain the seismic resistance of wooden building houses, wooden braces (to counter pressure) are inserted into the inner surface of the wall, and furthermore, a fire is inserted between the base and the horizontal members to reinforce. However, prior to the construction of the New Building Standard Law (especially immediately after the end of the war), the method of installation and bracing was not as complete as it is now, and it was not necessary to simply nail the ends or cut the pillars. There are many defective construction methods such as mounting.

[0003] Conventionally, materials such as wooden braces and fire strikes have a unique crack in the wood when the pressure and attraction due to the sway of the earthquake cause cracks in the wood, and the cracks are easily broken along the streaks. There are weak points, and wooden materials have weakened over many years due to underground water vapor and insect corrosion, and they often do not originally serve as reinforcement. Such old wooden building houses were damaged by the Great Hanshin Earthquake. Many were destroyed.

[0004] In addition, in order to provide a relatively new reinforcing structure, and to have the seismic resistance of a wooden building house, several ideas have been devised to reinforce the inner surface of the wall or between the beam and the pillar with braided metal fittings. However, since the metal fittings are not directly connected to the concrete base, but are connected to the wooden part on the base, the joints between the wood and the metal fittings at this connected part are susceptible to cracks when subjected to gravity. Also, the problem is that cracks are easy to spread along streaks, and that wood is easily broken by water vapor or insect corrosion.

[0005] Recently, in wooden buildings (in the case of factories, warehouses, and the like), there has been proposed a new metal material such as X-shaped bracing or reinforcing with metal fittings, but in the case of houses, there are many windows and doors. Therefore, it is impossible to quote the X-shaped bracing in the case of the overall seismic retrofit of a wooden house.

[Problems to be solved by the present invention]

 The present invention is based on the situation that an existing old wooden house built before (including immediately after the end of the war) was destroyed without any resistance to an earthquake with a direct seismic intensity of 7 or more (Hanshin Earthquake on January 17, 2007). In view of the above, in view of the recent weaknesses of wooden construction houses (construction of imperfect bracing and burning, weakness of wooden bracing that is susceptible to corrosion) since the recent construction of the Building Standard Law, simple work, safe, In the case of an old wooden house with a long-lasting seismic sleeve and strong structure, in the case of an existing old wooden house, it will be relatively easy to use it, even on the outside and inside walls of the building, with little damage to the structure and little space in the building The challenge is to create a seismic retrofit structure that can be installed not only in a part of the building but also in a wooden building as a single structure.

According to the latest seismic dynamics, the rolling of the earthquake (maximum acceleration gal) is about 297 gal, which is about six times that of the first floor of the ground (297-300 gal) while the upper part of the third floor building is about six times. And the Hachinohe Institute of Technology, Department of Architecture and Engineering, Seismic Wave Recording Equipment Steering Committee, found in the analysis report (1995) of the 1994 Sanriku-oki earthquake. Therefore, it can be said that the upper part of the second floor building was about (550-750 gal), that is, 2-3 times or more of the first floor. When a large earthquake strikes, in a two-story wooden house, the shaking direction and rhythm of the whole building physically change due to the difference in the shaking strength between the first floor and the second floor. The building may bend or deform, and eventually lose balance and destroy the building. Therefore, it is an issue of the present invention to make the shaking strength of the upper part of the building correspond to the strength of the ground.

Conventionally, wooden bracing such as wooden bracing or fire battering is very easy to break physically when resisting the pressure caused by the roll of an earthquake. You must increase the volume of the braces. In reality, it is not possible at all.In addition, when the gravitational force is applied in the opposite direction due to the roll, the timber bracing at the joints between the pillars at the four corners and the base and at the joints between the beams and the columns are more easily broken. The weak point is a well-known problem. Even with the reinforcement structure using metal fittings, the metal fittings are not directly connected to the concrete base, but are only connected to the wooden part on the base, and the joint between the wooden part and the metal part in this part receives the attractive force. The problem is that the cracks in the wood are easily broken along the streaks, and the wood material has weakened over many years due to underground water vapor and insect corrosion, and it does not play a role as a capturing force at all. .

[0008]

[Means for Solving the Problems]

 According to the present invention, a metal angle 12 is provided at the joint 8 between the beam and the column at the upper end of each corner at each of the four corners of the wooden building in order to match the swing strength of the upper part of the wooden building with the strength of the ground. In the case of an existing old wooden building, as shown in FIG. 2, the seismic bars 10 installed at the four corners of the building are directly connected to the locked portions of the lids of the connecting anchor bolts 23 integrated with the newly provided foundation concrete 5 and tightened. By installing at least eight seismic bars in a single building, connecting the two seismic bars on both the left and right sides with the concrete base on the pillars. When an earth quake occurs, On the (maximum acceleration gal) swinging strength of the part using means to fit on to the first floor portion and the near ground level, direction and rhythm swaying of the building will be able to match the. Also, because the house has many windows and doors, instead of the X-shaped bracing used in factories and warehouses, the present invention provides a unique M-shaped bracing structure for seismic seismic reinforcement for housing. Intersection, that is, bracing as shown in FIG. The wooden house according to the present invention stabilizes the balance of pillars and bases at the four corners of the building, the joints between columns and beams, walls, etc. for a long period against the roll of a large earthquake, and improves the seismic resistance of the entire wooden building house. It is a simple seismic capture device to be added.

In order to prevent the weakness of the wooden bracing, the present invention uses a seismic reinforcer made of a metal material having a strong antiseptic and traction force, and is strictly integrated with a concrete foundation or newly provided foundation concrete. Eight or more seismic bars are installed on the anchor bolts, and there is no fear of cracking due to the corrosion of wooden braces or the joints between wooden and metal fittings. As a means of transmission and absorption, the existing balance of the building is stabilized and a mechanism is devised.

[0010]

[Embodiment of the invention]

 In FIG. 3 and FIG. 7, first, an angle 12 is provided at the joint 8 between the column and the beam at the upper end of the four corners of the building, and an anti-seismic bar is provided at the locked portion 14 on the foundation concrete base 4. The building is directly connected to the connection fittings 24 and tightened, and a total of at least eight seismic isolation bars are provided in the building.

In FIG. 3, the seismic isolation and the base are directly connected to the joint between the column and the beam at the upper end of one side of the building. However, since the residential building has windows and doors, the seismic isolation and the column depend on the position. Should be as large as possible.

In the case of an existing wooden building house, in FIGS. 7, 8, 10, 11, 12, 13, and 14, the anchor bolt is an elongated circular space metal bolt. The second is to make a lot of holes, to put fresh concrete later and to make it overflow through the holes and to adhere well to the newly installed foundation concrete block. The lower part of the anchor bolt is provided with a slit 13 and an opening 3, a female thread is provided at the tip of the anchor bolt to open the opening, and the finishing tool 21 is inserted into the female thread. Open the finishing tool 21 by turning the finishing tool 21 in the opposite direction so that the finishing tool 21 can be pulled out. Then, put the ready-mixed concrete into the entrance of the anchor bolt and tighten the lid 18. , The finished state as shown in Fig. 8. Finally, insert the screw 25 into the anchor bolt lid, tighten it, and connect it directly to the seismic isolation bar 10 to complete it. Of course, it is necessary to remodel appropriately later.

[0013]

[Effect of the invention]

 Since the present invention is configured as described above, the following effects can be obtained.

[0014] In the apparatus according to the first, second and third aspects, eight or more seismic reinforcing bars made of metal material are provided on the base of the building at the joint between the beam and the pillar, which is the upper and middle corners of the wooden building. The building was completely connected to the embedded connection fittings, or directly connected to the newly installed foundation concrete, respectively, and the entire building was an earthquake-resistant structure. The maximum acceleration due to the roll can be kept close to or equal to the ground on the ground floor, and the rhythm of the building can be matched with the direction of the swing of the building. With this structure, it is possible to stabilize the important parts of the wooden building, the pillars at the four corners, the joints between beams and columns, and the walls. Therefore, there is a simple and strong seismic retrofit effect in a wooden building house that responds to the roll of a large earthquake.

The present invention uses a metal seismic resilient bar having a strong and hard-to-cut characteristic against the acceleration (gal) attraction of a roll of an earthquake, and uses the attraction to reliably play a role when the earthquake shakes. It is.

In order to prevent the weakness of the wooden bracing, the present invention uses strictly antiseptic and anti-attraction seismic rebars made of metal material, and is strictly integrated with the concrete foundation or newly provided foundation concrete. By completely connecting eight or more seismic isolation bars directly to the anchor bolt, there is no need to worry about corrosion or cracking of wooden braces or the joints between wooden and metal fittings. It can be transmitted and absorbed to the foundation, stabilize the existing balance of the building, and ensure the long-term reinforcement of earthquake resistance.

Since the volume of the metal seismic bracing is small, this existing seismic capture work can be widely applied to any existing wooden house or newly built wooden house without changing the basic design and structure of the building.

There is no need to rebuild existing seismic capture of old wooden houses. This is a simple construction that can be installed in a small space outside the building without destroying only a small part of the building or almost no structure. The construction period can be completed in a few days.

The present invention requires only a small amount of material required for construction.

With the present invention, seismic retrofitting work is possible at a small cost in terms of economy, in contrast to rebuilding an existing wooden house.

[Submission date] January 6, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction contents] [Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention prevents the building from bending or deforming by keeping the maximum acceleration (gal), which is the roll on the top of the wooden house, close to the ground on the first floor and the same acceleration when an earthquake occurs. In this case, it is related to the seismic structure of new buildings and existing wooden houses, assuming that the balance of the entire building has been maintained.

[0002]

[Prior art]

 Conventionally, to provide seismic resistance for wooden building houses, wooden bracing (to counter pressure) is inserted into the inner surface of the wall, and furthermore, a fire is inserted between the base and the horizontal members to reinforce. However, the method of installation of bracing and burning is not as complete as it is nowadays, and there are many defective construction methods such as simply nailing the ends or mounting without cutting the pillars.

[0003] When materials such as wooden braces and fire are subjected to the pressure and attraction due to the sway of an earthquake, it is easy for cracks, which are characteristic of wood, to appear, and the cracks are easily broken along the streaks. Such old wooden structures have unique weaknesses, and wooden materials have weakened over many years due to underground water vapor and insect erosion, and often do not originally serve as reinforcement at all. Many of the built houses were destroyed by the Great Hanshin Earthquake.

[0004] In addition, even in the case of a relatively new material, which is reinforced with metal fittings or metal braces between the inner surface of a wall or a beam and a pillar, metal fittings are directly connected to a concrete base. Instead, it was connected only to the wooden part on the base, so when the joint between the timber and metal fittings of the connected part was pulled by gravity, the wood was easily cracked, and the crack was completely formed along the streak. There is also a problem that wood may be broken easily due to water vapor and insect corrosion.

[0005] Recently, in wooden buildings (in the case of factories, warehouses, and the like), there has been proposed a new metal material such as X-shaped bracing or reinforcing with metal fittings, but in the case of houses, there are many windows and doors. Therefore, it is impossible to quote the X-shaped bracing in the case of seismic reinforcement as a whole in a wooden house.

[Problems to be solved by the present invention]

 The present invention is based on the situation that an existing old wooden house built before (including immediately after the end of the war) was destroyed without any resistance to an earthquake with a direct seismic intensity of 7 or more (Hanshin Earthquake on January 17, 2007). In view of the above, the basic design was made to compensate for the weaknesses of wooden building houses (incomplete bracing and burning, weaknesses of wooden bracings that are easily corroded) and the fact that wooden building buildings do not have an overall earthquake-resistant structure. Create a safe and long-lasting seismic reinforced structure that can be done with simple work without changing the structure.By the way, even in the case of existing old wooden houses, almost all of the structure is destroyed on the outside and inside walls of the building, as well as lightly The task is to construct a seismic retrofit structure that can be installed in a small space of a building without building, and is not a part of the building but a whole wooden building house as one structure.

According to the latest seismic dynamics research report, when the earthquake occurred, the first floor ground part received an earthquake roll (maximum acceleration gal) of about (297-300 gal), while the third floor part of the building The maximum acceleration gal received was about 990 gal, which is about three times the ground level. The Hachinohe Institute of Technology, Department of Architecture and Engineering, Seismic Wave Recording Equipment Steering Committee reported an analysis of the 1994 Sanriku-oki earthquake (seismic intensity 6) (1995). I understand. The upper part of the second floor building seems to reach about (550-750 gal). Based on this report, that is to say, in general, the seismic intensity of the earthquake on the second floor of the building was actually more than 2-3 times that of the first floor. When a large earthquake occurs, the two-story wooden house shakes in the direction of the upper and lower parts of the building due to the difference in the strength of the maximum acceleration attraction between the first floor and the second floor. The rhythm is different, so the building may bend or deform, and eventually lose balance and destroy the building. It is an issue of the present invention to make the maximum point of the seismic retrofit structure of a wooden building house coincide with the strength of the upper part of the building within the strength of the ground.

Conventionally, wooden braces such as wooden braces and fire struts are very easily physically broken when countering the acceleration pressure which is the roll of an earthquake. We need to increase the volume of the timber braces. In reality, it is very difficult. It is also a well-known problem that, when subjected to an attractive force in the opposite direction due to rolling, the timber bracing at the joints between the pillars at the four corners and the base and at the joint between the beams and pillars are more easily broken. is there. Even with the reinforcement structure using metal fittings, the metal fittings were not directly connected to the concrete base, but were connected only to the wooden part of the base. At times, the cracks in the wood are easily broken along the streaks. Incidentally, it has been a problem to solve the problem that wooden materials have weakened over many years due to underground water vapor and insect erosion, and do not play a role as reinforcement originally.

[0008]

[Means for Solving the Problems]

 In the present invention, in the event of an earthquake, in order to match the shaking strength of the upper part of the wooden building to the strength of the ground, a metal angle is attached to the joint 8 of the beam and column at the upper corner of each of the four corners of the wooden building. 12 and the metal fittings 24 embedded in the base concrete foundation 4 are completely connected and tightened on both the right and left sides of the pillars. According to claim 2, the seismic bars 10 installed at the four corners of the building are directly connected to the lid-locked portions of the connecting aker bolts 23, which are integrated with the newly provided foundation concrete 5, so that the corners of the building A single building has at least eight seismic reinforcements, connecting the two seismic reinforcements on both the left and right sides to the concrete base, and making the entire building a single earthquake-resistant structure instead of partially reinforcing the building. Due to a major earthquake At the time of occurrence, eight or more seismic bars at the four corners receive the maximum gravitational force due to the rolling from any direction, propagate and absorb to the base, and the (maximum acceleration gal) shaking strength of the upper part of the building It is possible to match the swaying direction of the building with the rhythm by using a means to keep the building close to the ground floor. In addition, because many dwellings have many windows and doors, the present invention provides M-type bracing as a seismic strengthening structure for unique housing objects. Wooden architecture This is a simple way to stabilize the overall balance of a building for a long period of time.

In order to prevent the weakness of the wooden bracing, the present invention uses a seismic rebar made of a metal material having a strong antiseptic and anti-attraction force, and uses a concrete foundation or, in the case of an existing wooden house, a new foundation. By installing eight or more seismic bars on anchor bolts that are strictly integrated with concrete, there is no need to worry about corrosion or cracks in wooden braces or the joints between wooden and metal fittings. It is a means of receiving, transmitting and absorbing the gravitational force of the roll to the maximum at the four corner bases.

[0010]

[Embodiment of the invention]

 In FIG. 3 and FIG. 7, first, an angle 12 is provided at the joint 8 between the column and the beam at the upper end of the four corners of the building, and an anti-seismic bar is provided at the locked portion 14 on the foundation concrete base 4. The building is directly connected to the connection fittings 24 and tightened, and a total of at least eight seismic isolation bars are provided in the building.

In FIG. 3, the seismic isolation and the base are directly connected to the joint between the column and the beam at the upper end of one side of the building. However, since the residential building has windows and doors, the seismic isolation and the column depend on the position. Should be as large as possible.

In the case of an existing wooden building house, in FIGS. 7, 8, 10, 11, 12, 13 and 14, the anchor bolt is an elongated circular space metal bolt. The second is to make a lot of holes, to put fresh concrete later and to make it overflow through the holes and to adhere well to the newly installed foundation concrete block. The lower part of the anchor bolt is provided with a slit 13 and an opening 3, a female thread is provided at the tip of the anchor bolt to open the opening, and the finishing tool 21 is inserted into the female thread. Then open the finishing tool 21 in the opposite direction, and turn the finishing tool 21 in the opposite direction to get out of the female thread naturally, then remove the finishing tool 21 from the anchor bolt, and remove the ready-mixed concrete from the anchor bolt entrance. And then close the lid 18 to obtain the finished state as shown in Fig. 10. Finally, insert the screw 25 into the anchor bolt cover, tighten it, and connect it directly with the seismic isolation bar 10 to complete it. Later, it is necessary to make appropriate reforms.

[0013]

[Effect of the invention]

 Since the present invention is configured as described above, the following effects can be obtained.

In the apparatus according to the first, second and third aspects, eight or more metal seismic bars are provided on the base of the wooden building at the junction between the beam and the pillar, which is the middle part, at the four corners of the building. Completely connect with the embedded connection fittings, or directly connect to the newly installed foundation concrete, respectively, and install at least eight seismic isolation bars in a single-family building. By using a single earthquake-resistant structure, even in the event of a major earthquake, eight or more seismic bars at the four corners can receive and receive the gravitational force from any direction from any direction, and propagate to the base. And to make the swing strength of the upper part of the building (maximum acceleration gal) close to and equal to the first floor part of the ground, so that the swing direction of the upper and lower parts of the building matches the swing rhythm. Becomes possible. This structure provides a stable balance of the important parts of the wooden building, the corner columns, the beam-column joints and the walls. Therefore, it has a fundamentally simple, long-lasting, and strong seismic reinforcement effect in a wooden building house that responds to the roll of a large earthquake.

[0015] The present invention uses a metal seismic reinforcer, which is durable and hard-to-cut, against the acceleration (gal) gravitational force of the roll of the earthquake, and uses it for the gravitational pull. It is a device that can be knocked down.

In order to prevent the weakness of the wooden bracing, the present invention uses strictly antiseptic and anti-attraction seismic rebars made of metal material, and is strictly integrated with the concrete foundation or newly provided foundation concrete. By completely connecting eight or more seismic isolation bars directly to anchor bolts, there is no need to worry about corrosion or cracks in wooden braces or the joints between wooden and metal fittings. Through the streaks, it can play the role of reinforcement, taking up to the four corners as much as possible, and propagating and absorbing to the foundation.

Since the volume of metal seismic bracing is small, this seismic retrofitting work can be widely applied to any existing wooden house or newly built wooden house without changing the basic design and structure of the building.

There is no need to rebuild existing old wooden houses as seismic reinforcement. This is a simple construction that can be installed in a small space outside the building without destroying only a small part of the building or almost no structure. The construction period can be completed in a few days.

The present invention requires only a small amount of material required for construction.

With the present invention, seismic retrofitting work is possible at a small cost in terms of economy, in contrast to rebuilding an existing wooden house.

[Submission date] April 17, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction contents] [Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention prevents the building from bending or deforming by keeping the maximum acceleration (gal), which is the roll on the top of the wooden house, close to the ground on the first floor and the same acceleration when an earthquake occurs. In this case, it is related to the seismic structure of new buildings and existing wooden houses, assuming that the balance of the entire building has been maintained.

[0002]

[Prior art]

 Conventionally, to provide seismic resistance for wooden building houses, wooden braces (to counter pressure) are inserted into the inner surface of the wall, and fire is inserted between the base and horizontal members to reinforce. However, the method of installation of bracing and burning is not as complete as it is nowadays, and there are many defective construction methods such as simply nailing the ends or mounting without cutting the pillars.

[0003] When materials such as wooden bracing and burning are subjected to huge pressure and gravitational force due to strong earthquakes, they tend to have cracks in the streaks, which are the unique weaknesses of wood. There is a problem that it is easily broken along. In addition, wooden materials have been weakened for many years due to underground water vapor and insect corrosion, and by the way, they often do not play a role as reinforcement at all. Many reports have pointed out that many used wooden houses were destroyed due to such causes after the Great Hanshin Earthquake.

[0004] Even if there are several ideas that are relatively new materials and are reinforced with metal fittings or metal bracing between the inner surface of the wall or between the beam and the column, the metal fitting material is not directly connected to the concrete base. However, since it was connected only to the wooden part on the base, the joint part of the timber and metal fittings at the connected part was subjected to gravity, and if the timber at the joint part was broken, the seismic role of the entire structure would not be fulfilled. You.

[0005] Recently, in wooden buildings (in the case of factories, warehouses, and the like), there has been proposed a new metal material such as X-shaped bracing or reinforcing with metal fittings, but in the case of houses, there are many windows and doors. Therefore, it is impossible to quote the X-shaped bracing in the case of seismic reinforcement as a whole in a wooden house.

[Problems to be solved by the present invention]

 The present invention is based on the situation that an existing old wooden house built before (including immediately after the end of the war) was destroyed without any resistance to an earthquake with a direct seismic intensity of 7 or more (Hanshin Earthquake on January 17, 2007). In view of the above, the weaknesses of wooden building houses (incomplete bracing and burning, weaknesses of wooden bracings that are easily corroded) and the fact that wooden building buildings do not have an overall and fundamental seismic structure are supplemented. The basic design has not changed, and a safe, long-lasting, fundamental seismic reinforcement structure has been created that can be performed with simple work.In addition to new construction and existing old wooden houses, it is relatively easy to It can be installed in the small space of the building without destroying the inner wall and almost the structure, and it is not a reinforcement of only a part of the structure, but a seismic reinforcement structure is built with the whole wooden building house as one structure The task is to do so.

[0006] According to the latest seismic dynamics research report, when the earthquake occurred, the first floor ground part received an earthquake roll (maximum acceleration gal) of about (297-300 gal), while the third floor part of the building The maximum acceleration gal received was 990 gal, which is about three times the ground level. The Hachinohe Institute of Technology, Department of Architecture and Engineering, Seismic Wave Recording Equipment Steering Committee reported an analysis of the 1994 Sanriku-oki earthquake (seismic intensity 6) (1995). ) Therefore, it can be analyzed that the upper roof part of the second-floor building has reached about (550-750 gal). Based on this report, in general cases, the second floor of the building was subjected to earthquake tremors that were 2-3 times higher than the first floor. Therefore, in the event of a major earthquake, the two-story wooden house, the first floor part and the upper roof part, or the two-story part, due to the difference in the strength of the maximum maximum acceleration of the lateral roll received by the upper and lower buildings, The shaking direction of the part and the shaking rhythm can no longer match. Therefore, the gravity of the heavy second floor and roof can cause the building to bend or deform, eventually breaking the balance and destroying the building. Regarding this factor, the point of the fundamental seismic strengthening structure of wooden houses is that the problem of the present invention is that the swing strength of the upper part of the building can be reduced to the strength of the ground part.

Conventionally, wooden braces such as wooden braces and fire struts are very easily physically broken when countering the acceleration pressure which is the roll of an earthquake. We need to increase the volume of the timber braces. In reality, it is very difficult. On the other hand, when the gravitational force is applied in the opposite direction due to the roll, it is a well-known problem that the timber bracing at the joints between the pillars at the four corners and the joint between the beams and columns is more easily broken. is there. Even with the reinforcement structure using metal fittings, the metal fittings were not directly connected to the concrete base, but were connected only to the wooden part of the base. At times, the cracks in the wood are easily broken along the streaks. Incidentally, it has been a problem to solve the problem that wooden materials have weakened over many years due to underground water vapor and insect erosion, and do not play a role as reinforcement originally.

[0008]

[Means for Solving the Problems]

 In the present invention, in the event of a major earthquake, in order to match the shaking strength of the upper part of the wooden building to the level of the ground, metal joints at the four corners of the wooden building at the upper part of the beam and column at each corner 8 The angle 12 is provided, and the metal fittings 24 with the metal seismic bars embedded in the base concrete base 4 are completely connected and tightened on both the right and left sides of the pillar. In addition, in the case of an existing old wooden building house, as shown in FIG. 7, the seizure bars 10 installed at the four corners of the building are connected to the lids of the connecting anchor bolts 23 which are integrated with the newly provided foundation concrete 5. It is connected directly to the stop, and the two seismic bars on both the left and right sides are completely connected to the concrete base on the pillar in one corner of the building. As mentioned above, at least eight or more seismic isolation bars are installed in a detached building, and the entire building is made up of one seismic structure instead of partial reinforcement. Even with gravitational force, eight or more seismic isolation bars at the four corners take up the top roll to the maximum extent and propagate and absorb it to the foundation. The upper part of the building (maximum acceleration gal) has the highest level of sway strength. It is physically and feasible to use means of fitting down to the level close to the floor, and thus to match the swaying direction and rhythm of the building. In addition, as the house has many windows and doors, the present invention provides M-shaped bracing as a seismic reinforcement structure for a unique housing object. This is a simple way to stabilize the overall balance of the building in the long term.

In order to prevent the weakness of the wooden bracing, the present invention uses a seismic rebar made of a metal material having a strong antiseptic and anti-attraction force, and uses a concrete foundation or, in the case of an existing wooden house, a new foundation. By installing eight or more seismic bars on anchor bolts that are strictly integrated with concrete, there is no need to worry about corrosion or cracks in wooden braces or the joints between wooden and metal fittings. It is a means of receiving, transmitting, and absorbing the gravitational force of the second floor and the upper roof due to rolling to the bases at the four corners.

[0010]

[Embodiment of the invention]

 In FIG. 3 and FIG. 7, first, an angle 12 is provided at the joint 8 between the pillar and the beam at the upper end of the four corners of the building, and an anti-seismic bar is provided at the locked part 14 on the foundation concrete base 4. The building is directly connected to the connection fittings 24 and tightened, and a total of at least eight seismic isolation bars are provided in the building.

In FIG. 3, the seismic isolation and the base are directly connected to the joint between the column and the beam at the upper end of one side of the building. However, since the residential building has windows and doors, the seismic isolation and the column depend on the position. Should be as large as possible.

In the case of an existing wooden building house, in FIGS. 7, 8, 10, 11, 12, 13 and 14, the anchor bolt is an elongated circular space metal bolt. The second is to make a lot of holes, to put fresh concrete later and to make it overflow through the holes and to adhere well to the newly installed foundation concrete block. The lower part of the anchor bolt is provided with a slit 13 and an opening 3, a female thread is provided at the tip of the anchor bolt to open the opening, and the finishing tool 21 is inserted into the female thread. Then open the finishing tool 21 in the opposite direction, and turn the finishing tool 21 in the opposite direction to get out of the female thread naturally, then remove the finishing tool 21 from the anchor bolt, and remove the ready-mixed concrete from the anchor bolt entrance. And then close the lid 18 to obtain the finished state as shown in Fig. 10. Finally, insert the screw 25 into the anchor bolt cover, tighten it, and connect it directly with the seismic isolation bar 10 to complete it. Later, it is necessary to make appropriate reforms.

[0013]

[Effect of the invention]

 Since the present invention is configured as described above, the following effects can be obtained.

[0014] The apparatus according to claim 1, wherein eight or more metal seismic bars are embedded in the base of the wooden building at the joint between the beam and the column, which is the upper and middle corners of the wooden building. And fully connected. Alternatively, each building is directly connected to a newly provided foundation concrete, and a single building is provided with at least eight seismic isolation bars, and instead of partial reinforcement, the whole building is made up of one earthquake-resistant structure. In the event of a major earthquake, even in the case of gravitational pull from any direction, eight or more seismic isolation bars at the four corners take up the upper part of the sway and propagate and absorb it to the base. (Maximum acceleration gull) It is possible to make the swaying strength close to the first floor of the ground surface and within the same level, so that the swaying direction can be matched with the swaying direction of the upper and lower parts of the building. With this structure, the balance of the important parts of the wooden building, the pillars at the four corners, the joint between the beam and the pillar, and the walls can be stabilized. Therefore, it has a simple, fundamentally long-lasting and strong seismic reinforcement effect in wooden built houses that respond to the roll of a large earthquake.

[0015] The present invention is a metal seismic isolator that has a strength against gravitation that is incomparable to wood, and that can be used for gravitation. It is a device that can play a role when an earthquake shakes.

In order to prevent the weakness of the wooden bracing, the present invention uses strictly antiseptic and anti-attraction seismic rebars made of metal material, and is strictly integrated with the concrete foundation or newly provided foundation concrete. By completely connecting eight or more seismic isolation bars directly to anchor bolts, there is no need to worry about corrosion or cracks in wooden braces or the joints between wooden and metal fittings. Through the streaks, it can play the role of reinforcement, taking up to the four corners as much as possible, and propagating and absorbing to the foundation.

Since the volume of metal seismic bracing is small, this seismic retrofitting work can be widely applied to any existing wooden house or newly built wooden house without changing the basic design and structure of the building.

There is no need to rebuild existing old wooden houses as seismic reinforcement. This is a simple construction that can be installed in a small space outside the building without destroying only a small part of the building or the structure.

The present invention requires only a small amount of material required for construction.

With the present invention, it is possible to carry out seismic retrofitting work at a small cost in terms of economy while rebuilding an existing wooden house.

[Brief description of the drawings]

FIG. 1 is a destruction model of a wooden house due to the roll of an earthquake.

FIG. 2 is a conceptual diagram of propagation and absorption of earthquake rolls received when the simple earthquake-resistant reinforcement structure of the present invention is provided.

FIG. 3 is an oblique view of a case where metal seismic bracing is provided in the four corners of a wooden house building in the simple seismic retrofitting structure of the present invention.
α should be as large as possible.

FIG. 4 is a conceptual diagram showing a whole, not a partial, seismic structure of a wooden building house.

FIG. 5 is a conceptual diagram of installing an earthquake-resistant structure in a wooden building house other than a rectangular type.

FIG. 6 is a conceptual diagram in a case where a simple earthquake-resistant reinforcement structure is provided in a two-story wooden house.

[Fig. 7] In the case of an existing wooden house, one corner of the building is directly connected to a metal seismic rebar and a base, or a connection anchor bolt integrated with new foundation concrete, and tightened. It is sectional drawing of a seismic capture structure.

FIG. 8 is a perspective view of an angle provided at a joint of a pillar and a beam at four corners of a wooden building.

FIG. 9 is an installation sectional view of a connection fitting provided on a foundation concrete foundation.

FIG. 10 is a finished sectional view of the anchor bolt of claim 2;

FIG. 11 is a sectional view of a mechanism relating to a bottom portion of the anchor bolt.

FIG. 12 is a three-dimensional view of an anchor bolt.

FIG. 13 is a cross-sectional view of a lid related to the anchor bolt.

FIG. 14 is a cross-sectional view of a connection portion between the lid and the upper portion of the anchor bolt.

[Explanation of symbols]

 S force Earthquake rolling S wave S1 Motion direction of acceleration force at the moment when building receives S wave A1, A2, A3, A4 Building fragile part 1 New foundation concrete and anchor bolt 2 Building corner Pillar 3 Opening 4 Foundation concrete foundation 5 New foundation concrete 6 Soil 7 Concrete part in anchor bolt 8 Joint 9 Adjustment tool 10 Seismic reinforcement 11 Beam 12 Seismic reinforcement and metal angle for connection 13 Slit 14 Locked part 15 Right angle 16 hole 17 Anchor bolt lid 18 Locked part of anchor bolt lid 19 Anchor bolt lid tightening part 20 Fixed body 21 Finishing tool 22 Female screw 23 Anchor bolt 24 Embed in base concrete foundation and connect fitting 25 Screw

[Procedure amendment]

[Submission date] January 6, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction contents]

[Document Name] Statement

[Name of the device] Simple seismic retrofit structure for wooden house

[Utility model registration claims]

[Brief description of the drawings]

FIG. 1 is a destruction model of a wooden house due to the roll of an earthquake.

FIG. 2 is a conceptual diagram of propagation and absorption of earthquake rolls received when the simple earthquake-resistant reinforcement structure of the present invention is provided.

FIG. 3 is an oblique view of a case where metal seismic bracing is provided in the four corners of a wooden house building in the simple seismic retrofitting structure of the present invention.
α should be as large as possible.

FIG. 4 is a conceptual diagram showing a whole, not a partial, seismic structure of a wooden building house.

FIG. 5 is a conceptual diagram of installing an earthquake-resistant structure in a wooden building house other than a rectangular type.

FIG. 6 is a conceptual diagram in a case where a simple earthquake-resistant reinforcement structure is provided in a two-story wooden house.

[Fig. 7] In the case of an existing wooden house, one corner of the building is directly connected to a metal seismic rebar and a base, or a connection anchor bolt integrated with new foundation concrete, and tightened. It is sectional drawing of an earthquake-resistant reinforcement structure.

FIG. 8 is a perspective view of an angle provided at a joint between a pillar and a beam at four corners of a wooden building.

FIG. 9 is an installation sectional view of a connection fitting provided on a foundation concrete foundation.

FIG. 10 is a finished sectional view of the anchor bolt of claim 2;

FIG. 11 is a sectional view of a mechanism relating to a bottom portion of the anchor bolt.

FIG. 12 is a three-dimensional view of an anchor bolt.

FIG. 13 is a cross-sectional view of a lid related to the anchor bolt.

FIG. 14 is a cross-sectional view of a portion connected to a lid above an anchor bolt.

[Explanation of Signs] S Force Rolling S-wave of earthquake S1 Motion direction of acceleration force at the moment when building receives S-wave A1, A2, A3, A4 Easy-to-destruct portion of building 1. New foundation concrete and anchor Bolts 2 Pillars in one corner of the building 3 Openings 4 Foundation concrete foundation 5 New foundation concrete 6 Soil 7 Concrete part in anchor bolts 8 Joints 9 Adjusters 10 Seismic bars 11 Beams 12 Seismic bars and metal angles for connection 13 Slits 14 Locked part 15 Right angle 16 hole 17 Anchor bolt lid 18 Locked part of anchor bolt lid 19 Tightened part of anchor bolt lid 20 Fixed body 21 Finishing tool 22 Female screw 23 Anchor bolt 24 Embed in base concrete foundation for connection Hardware 25 screws

[Procedure amendment]

[Submission date] April 17, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction contents]

[Document Name] Statement

[Name of the device] Simple seismic retrofit structure for wooden house

[Utility model registration claims]

[Brief description of the drawings]

FIG. 1 is a destruction model of a wooden house due to the roll of an earthquake.

FIG. 2 is a conceptual diagram of propagation and absorption of earthquake rolls received when the simple earthquake-resistant reinforcement structure of the present invention is provided.

FIG. 3 is an oblique view of a case where metal seismic bracing is provided in the four corners of a wooden house building in the simple seismic retrofitting structure of the present invention.
α should be as large as possible.

FIG. 4 is a conceptual diagram showing a whole, not a partial, seismic structure of a wooden building house.

FIG. 5 is a conceptual diagram of installing an earthquake-resistant structure in a wooden building house other than a rectangular type.

FIG. 6 is a conceptual diagram in a case where a simple earthquake-resistant reinforcement structure is provided in a two-story wooden house.

[Fig. 7] In the case of an existing wooden house, one corner of the building is directly connected to a metal seismic rebar and a base, or a connection anchor bolt integrated with new foundation concrete, and tightened. It is sectional drawing of an earthquake-resistant reinforcement structure.

FIG. 8 is a perspective view of an angle provided at a joint of a pillar and a beam at four corners of a wooden building.

FIG. 9 is an installation sectional view of a connection fitting provided on a foundation concrete foundation.

FIG. 10 is a finished sectional view of the anchor bolt of claim 2;

FIG. 11 is a sectional view of a mechanism relating to a bottom portion of the anchor bolt.

FIG. 12 is a three-dimensional view of an anchor bolt.

FIG. 13 is a cross-sectional view of a lid related to the anchor bolt.

FIG. 14 is a cross-sectional view of a connection portion between the lid and the upper portion of the anchor bolt.

[Explanation of Signs] S Force Rolling S-wave of earthquake S1 Motion direction of acceleration force at the moment when building receives S-wave A1, A2, A3, A4 Easy-to-destruct portion of building 1. New foundation concrete and anchor Bolts 2 Pillars in one corner of building 3 Openings 4 Foundation concrete foundation 5 New foundation concrete 6 Soil 7 Concrete part in anchor bolts 8 Joints 9 Adjustment tools 10 Seismic bars 11 Beams 12 Seismic bars and metal angles for connection 13 slits 14 Locked part 15 Right angle 16 hole 17 Anchor bolt lid 18 Locked part of anchor bolt lid 19 Tightening part of anchor bolt lid 20 Fixed body 21 Finishing tool 22 Female thread 23 Anchor bolt 24 Embed in base concrete base and connect Hardware 25 screws

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical display location E04B 2/56 651 E04B 2/56 651S 651A 651P 652 652J E04H 9/02 311 E04H 9/02 311 F16F 15/02 8919-3J F16F 15/02 K

Claims (3)

[Utility model registration claims] In a wooden building house, one end of a bracing (hereinafter referred to as seismic bars) made of a metal material is connected to a metal angle provided at a joint between a beam and a column at the top of the four corners of the building. Simple construction in wooden building houses, characterized in that at least eight seismic bars are installed at the four corners of a detached house by directly connecting the other end of the seismic bars to the connecting metal fittings embedded in the foundation concrete base. Earthquake-resistant structure. 2. In the case of an existing old wooden building house, a metal angle is provided at a joint between a beam and a column at the top of the four corners of the building, connected to one end of the seismic reinforcement, and another end of the seismic reinforcement is newly added. 2. The simple seismic retrofit structure in a wooden building house according to claim 1, wherein the structure is coupled to a connecting anchor bolt integrated with the provided basic concrete. 3. The simple seismic retrofitting structure according to claim 2, wherein the connecting anchor bolt is a connecting anchor bolt having a structure in which a slit and an internal thread portion are provided for opening at a pointed end thereof.