KR20200025356A - Seismic reinforcement vibration control device having double-plate intermediary damper - Google Patents

Abstract

According to the present invention, a vibration control device, which is installed on a lintel beam in a vertical direction in a wall of a building comprising left and right columns and the lintel beam between the two columns, includes an upper steel plate wall, a lower steel plate wall and a middle damper. The upper steel plate wall and the lower steel plate wall are installed to face each other in a space between the two columns and the lintel beam of the wall with the middle damper therebetween. Each of the upper steel plate wall and the lower steel plate wall has a structure of the double steel plates having two steel plates spaced apart by a predetermined interval and a structure in which the middle damper can be inserted into the predetermined interval of the double steel plates.

Description

Seismic reinforcement damping device using intermediate damper composed of double steel plate {SEISMIC REINFORCEMENT VIBRATION CONTROL DEVICE HAVING DOUBLE-PLATE INTERMEDIARY DAMPER}

The present invention relates to a vibration damping device for seismic reinforcement using an intermediate damper, more specifically, to a vibration damping device for seismic reinforcement using an intermediate damper composed of a double steel plate, a seismic reinforcing method using the same, and a structure reinforced by such a method.

Earthquake proofing method is seismic design designed to improve durability to resist seismic force, seismic isolation technology that separates building's vibration period away from earthquake's excellent period by separating building from ground, and seismic isolation device Means a technology including a vibration damping technology and the like to efficiently dissipate using.

In Korea, according to the National Emergency Management Agency, we decided to promote seismic reinforcement according to the priority of 43,437 public buildings that require seismic reinforcement among road facilities subject to seismic design. As the importance of seismic reinforcement is emphasized in the future, with investments worth KRW2.8 trillion by 2020 due to early seismic reinforcement of public facilities, the market size is expected to continue to grow.

Among the technologies related to seismic reinforcement method, seismic reinforcement technology can be divided into the structure of seismic frame structure, seismic damper device, seismic bearing device, seismic steel improvement, seismic bridge structure, seismic joint structure technology, and the present invention. Can be broadly classified into seismic frame structure and seismic damper device.

On the other hand, due to the recent earthquake of 5 or more and the Pohang earthquake in Korea, a large and large earthquake earthquake can occur anytime in Korea. If this earthquake occurs in Cheonbu, a wide range of severe earthquake disasters depending on the ground characteristics Opinion has been suggested.

 On April 25, 2018, the Korea Institute of Geoscience and Mineral Resources (KIGAM) published a book entitled `` Southeastern Earthquake for the Korean Peninsula for the Public, '' which contains the results of the last two years of the Gyeongju and Pohang earthquakes. More than 200 people whose homes were damaged by the Pohang earthquake were in a shelter for nearly nine months and were found to be homeless and were forced to return. The residents were worried that they could not understand this decision. Above all, the distrust of the reinforcement method secured the structural stability of the building is growing, and a clear performance identification is required.

In this regard, the necessity of a new construction method that can drastically improve the seismic reinforcement performance of domestic poor buildings is emerging. In particular, in addition to new buildings designed and constructed in accordance with the recent strengthened design standards, the need for seismic construction methods that can improve the strength of the aging or poorly constructed concrete structures is increasing.

Republic of Korea Patent No. 10-1278136

The present invention has been made to solve the above-mentioned problems of the prior art, to provide a vibration damping device that can reduce the seismic load due to the light weight and the ductile behavior is enhanced, and the seismic structure and the seismic method using the same.

In addition, the vibration isolator itself is to provide a vibration suppression apparatus that can reinforce the bending performance of the entire structure together, the seismic structure and the seismic method using the same.

The vibration suppression apparatus according to the present invention is a vibration suppression apparatus provided in a direction perpendicular to the crossbeam in a wall of a building composed of left and right pillars and a crossbeam between two pillars, wherein the vibration suppression apparatus includes an upper steel plate wall and a lower steel sheet. A wall and an intermediate damper; The upper steel plate wall and the lower steel plate wall face each other in a space between the two pillars of the wall and the plinth beam with the intermediate damper therebetween; The upper steel plate wall and the lower steel plate wall are each formed of a double steel plate structure composed of two steel plates spaced at predetermined intervals, and the middle damper may be inserted between the predetermined steel plate intervals. .

In the vibration suppression apparatus according to the present invention, the upper steel plate wall and the lower steel plate wall may be manufactured so that the intermediate damper is destroyed first when loaded so that the thickness is thicker and rigid than the intermediate damper.

In the vibration suppression apparatus according to the present invention, the intermediate damper is bolted between the predetermined gaps of the upper steel plate wall and the lower steel plate wall, and the design strength of the bolt connection portion is greater than the design strength of the intermediate damper. Thus, the bolt connection may be configured to not be deformed, surrendered or destroyed before the intermediate damper is deformed or yielded or destroyed.

In the vibration suppression apparatus according to the present invention, the bolt uses a spring bolt to reinforce the tear due to the stress concentration of the bolt connection part, and the spring bolt is prestressed in advance so that the spring bolt can act as a buffer by the elastic force of the body. When fixed and the pressure is released can be manufactured to be separated by its elastic force.

In the vibration damping apparatus according to the present invention, a separate cushioning material may be provided at a predetermined interval between the upper steel plate wall and the lower steel plate wall, and the shock absorbing material may be formed of rubber.

In the vibration suppression apparatus according to the present invention, the installation position of the vibration suppression apparatus may be installed at a point where the bending stress of the structure is maximized so as to increase the bending strength in the longitudinal direction of the structure.

In the vibration suppression apparatus according to the present invention, the intermediate damper may be formed of an upper steel plate and a lower steel plate.

In the vibration suppression apparatus according to the present invention, the upper steel plate and the lower steel plate of the intermediate damper are spaced apart at a predetermined interval, and a predetermined cushioning material may be provided at a predetermined interval between the upper steel sheet and the lower steel sheet of the intermediate damper, The cushioning material may be formed of rubber.

In the vibration damping apparatus according to the present invention, a separate bonding portion is formed between each of the cushioning material of the upper steel plate wall and the lower steel plate wall, and the upper steel plate and the lower steel plate, and the bonding portion is a bonding surface and the upper portion joined to the buffer material. Bonding surfaces joined to the steel sheet and the lower steel sheet are formed separately from each other, and different adhesives may be used in the respective bonding surfaces.

In the vibration suppression apparatus according to the present invention, a separate joint is formed between each of the cushioning material of the upper steel plate wall, the lower steel plate wall and the intermediate damper, and the upper steel plate and the lower steel plate, and the joining part is joined to the buffer material. The surface and the bonding surface bonded to the upper steel plate and the lower steel sheet are formed separately from each other, different adhesives may be used in the respective bonding surfaces.

The seismic reinforcement method according to the present invention is an earthquake-proof reinforcement method using a vibration suppression device installed in a direction perpendicular to the cross-beam in the wall of the building consisting of the left and right columns and the cross-beam between the two pillars, A steel plate wall, a lower steel plate wall and an intermediate damper are provided, and the upper steel plate wall and the lower steel plate wall face each other in a space between the two pillars and the plinth beam of the wall with the intermediate damper interposed therebetween. The steel plate wall and the lower steel plate wall are each formed of a double steel plate structure composed of two steel plates spaced at predetermined intervals, and the intermediate damper is inserted between the steel plate walls and the predetermined steel plate walls.

In the seismic reinforcement method according to the present invention, the upper steel plate wall and the lower steel plate wall may be designed to have a thicker thickness and greater rigidity than the intermediate damper so that the intermediate damper is destroyed first when loaded.

In the seismic reinforcement method according to the present invention, the intermediate damper is bolted between the predetermined gaps of the upper steel plate wall and the lower steel plate wall, and the design strength of the bolt connection portion is greater than the design strength of the intermediate damper. And so that the bolted connection is not deformed, yielded or destroyed before the intermediate damper is deformed or yielded or destroyed.

In the seismic reinforcement method according to the present invention, the bolt uses a spring bolt to reinforce the tear due to the stress concentration of the bolt connection portion, and the spring bolt is prestressed in advance so that the spring bolt can act as a buffer by the elastic force of the body. When the pressure is fixed and the pressure is released can be manufactured to be separated by the elastic force.

In the earthquake-resistant reinforcement method which concerns on this invention, a separate buffer material can be provided in the said predetermined space | interval of the said upper steel plate wall and the lower steel plate wall, and the said buffer material can be formed with rubber | gum.

In the seismic reinforcement method according to the present invention, the installation position of the vibration damping device may be installed at a point where the bending stress of the structure is maximized so as to increase the bending strength in the longitudinal direction of the structure.

In the earthquake-resistant reinforcement method which concerns on this invention, the said intermediate damper can be formed from an upper steel plate and a lower steel plate.

In the seismic reinforcement method according to the present invention, the upper steel sheet and the lower steel sheet of the intermediate damper are spaced apart at a predetermined interval, and a separate cushioning material may be installed at a predetermined interval between the upper steel sheet and the lower steel sheet of the intermediate damper. The cushioning material may be formed of rubber.

In the earthquake-resistant reinforcement method which concerns on this invention, a separate junction part is formed between each said buffer material of the said upper steel plate wall and the lower steel plate wall, and an upper steel plate and a lower steel plate, The joining surface joined with the said buffer material, and Bonding surfaces joined to the upper and lower steel sheets are formed separately from each other, and different adhesives may be used in the respective bonding surfaces.

In the seismic reinforcing method according to the present invention, a separate joint portion is formed between the buffer member of the upper steel plate wall, the lower steel plate wall and the intermediate damper, and the upper steel plate and the lower steel plate, and the joint portion is joined to the buffer member. Bonding surfaces and bonding surfaces joined to the upper and lower steel sheets are formed separately from each other, and different bonding agents may be used in the respective bonding surfaces.

The structure according to the present invention is a structure in which a left and right pillars and a pullout beam between two pillars and a damping device for earthquake-proof reinforcement in the vertical direction are installed in the pullout beam, wherein the damping device includes an upper steel plate wall and a lower steel plate wall. And an intermediate damper, wherein the upper steel plate wall and the lower steel plate wall are provided to face each other in a space between the two pillars of the wall with the intermediate damper interposed therebetween, and the lower steel plate wall. Is formed in a structure of a double steel sheet consisting of two steel sheets spaced at predetermined intervals, and is formed in a structure in which the intermediate damper may be inserted between predetermined intervals of the double steel sheet.

In the structure according to the present invention, the upper steel plate wall and the lower steel plate wall is thicker than the intermediate damper and may be manufactured so that the intermediate damper is destroyed first when loaded.

In the structure according to the present invention, the intermediate damper is bolted between the predetermined gaps of the upper steel plate wall and the lower steel plate wall, and the design strength of the bolt connection portion is greater than the design strength of the intermediate damper. The bolt connection may be configured so that the bolt connection is not deformed, surrendered or destroyed before the intermediate damper is deformed or yielded or destroyed.

In the structure according to the invention, the bolt uses a spring bolt to reinforce the tear due to the stress concentration of the bolt connection, the spring bolt is pre-stressing pressure in advance, so as to buffer the elastic force of the body When fixed and the pressure is released can be manufactured to be separated by its elastic force.

In the structure according to the present invention, a separate cushioning material may be installed at a predetermined interval between the upper steel plate wall and the lower steel plate wall, and the buffer material may be formed of rubber.

In the structure according to the present invention, the installation position of the vibration damping device may be installed at a point where the bending stress of the structure is maximized so as to increase the bending strength in the longitudinal direction of the structure.

In the structure according to the present invention, the intermediate damper may be formed of an upper steel plate and a lower steel plate.

In the structure according to the present invention, the upper steel plate and the lower steel plate of the intermediate damper are spaced apart at predetermined intervals, and a predetermined cushioning material may be installed at a predetermined interval between the upper steel sheet and the lower steel sheet of the intermediate damper, The cushioning material may be formed of rubber.

In the structure according to the present invention, a separate bonding portion is formed between each of the cushioning material of the upper steel plate wall and the lower steel plate wall and the upper steel plate and the lower steel plate, and the bonding portion is a bonding surface and the upper steel plate joined to the buffer material. And bonding surfaces joined to the lower steel sheets are formed separately from each other, and different adhesives may be used in the respective bonding surfaces.

In the structure according to the present invention, a separate joining portion is formed between each of the upper and lower steel plate walls and the damper of the intermediate damper and the upper and lower steel sheets, and the joining surface is joined to the buffer. And bonding surfaces joined to the upper and lower steel sheets are formed separately from each other, and different bonding agents may be used in the respective bonding surfaces.

The damping device using the steel plate wall and the intermediate damper composed of a double steel sheet according to the present invention, the seismic structure and the seismic method using the same has the following effects.

First, since the intermediate damper is made of a material that is thinner or less rigid than the upper steel plate wall and the lower steel plate wall, it can induce line deformation / yield / break of the intermediate damper, so that the damping device and the ductile behavior of the structure including the same Can enhance the characteristics.

Second, in addition to the above effect of inducing the linear damper of the intermediate damper by making the cross section of the damper smaller than the uniform cross section of the damping device uniformly, the weight of the damping device itself is reduced so that the seismic device is applied to the damping device and the structure. A double seismic reinforcement effect occurs with reduced load.

Third, since the vibration damping device itself can serve as a new point for the whole structure, the flexural performance reinforcement effect of the structure, especially the long span structure, especially the wall-less residential building, school building, athletic facility or performance facility, etc. You can expect.

Fourth, the upper and lower steel plate walls and the intermediate damper is formed of a double steel sheet, and by providing a separate buffer material in the double steel sheet, the damping effect due to the buffer material can be obtained.

Fifth, in particular, the connection between the steel plate wall and the intermediate damper is designed to have greater strength and rigidity than the intermediate damper, thereby preventing the intermediate damper from being linearly deformed / yield / destructive than the connection between the steel plate wall and the intermediate damper. Characteristics can be achieved.

Effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 is a view showing the appearance of a building (structure) is installed vibration suppression apparatus of the present invention.
2 is a view showing an embodiment of the vibration suppression apparatus of the present invention.
3 is a perspective view of the vibration suppression apparatus of FIG. 2;
1A, 2A, and 3A in FIG. 1 to FIG. 3 are views for explaining that the vibration suppression apparatus 200 is installed on the outer surfaces of the pulleys 20 and 21, and FIGS. 1B, 2B, and 3B show the pulleys It is a figure explaining what was installed by the method inserted between 20 and 21. FIG.
Figure 4 is a view showing the shape of a double steel sheet of an embodiment of the vibration suppression apparatus of the present invention.
5 is a view for explaining that the cushioning material is coupled between the double steel sheet of an embodiment of the vibration suppression apparatus of the present invention.
6 is a view showing an embodiment in which the cushioning material is installed only at the connecting portion of the upper and lower steel plate wall and the intermediate damper.
FIG. 7 shows an embodiment in which the cushioning material is installed in substantially the entire longitudinal direction of the intermediate damper. FIG.
FIG. 8 is a view showing an embodiment in which the cushioning material is installed in substantially the entire longitudinal direction of the upper and lower steel plate walls. FIG.
9 is a view showing a protrusion formed in the cushioning material (locking) structure is coupled to the groove of the steel sheet.
10 is a perspective view showing that the bolt is fastened between the groove and the protrusion of the locking structure.
11 is a view showing an example in which the elastic member is arranged on the bolt according to another embodiment of the present invention.
12 is a view showing a configuration in which a nut, an elastic member and a nut loosening nut cap are arranged in the bolt according to another embodiment of the present invention.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, only the embodiments to make the disclosure of the present invention complete, and to those skilled in the art to fully know the scope of the invention. It is provided for the purposes of illustration, and the invention is only defined by the scope of the claims.

Like reference numerals refer to like elements throughout.

As used herein “and / or” includes each and all combinations of one or more of the items mentioned. In this specification, the singular forms also include the plural unless specifically stated otherwise in the phrases. Unless otherwise defined, all terms used in the present specification (including technical and scientific terms) may be used in a sense that can be commonly understood by those skilled in the art. Also, the terms defined in the dictionary are not to be interpreted ideally or excessively unless they are specifically defined clearly.

In the following description, any description of the vibration suppression apparatus of the present invention, the seismic method using the same, or the structure using the same should be understood as a description of the other two unless specifically defined otherwise. For example, in the intermediate damper of the damping device, as shown in Fig. 6, the description that the cushioning material is installed only at the connection between the intermediate damper and the upper and lower steel plate walls should be understood as a description of the seismic method and the structure using such a damping device. .

1 to 3, the vibration suppression apparatus 200 used in the seismic reinforcement method of the present invention, the pillar 10 and the pillar 11 of the same structure as the building 100, and the laminar beam 20 between the pillars In the wall of the building consisting of, 21) is installed in the perpendicular direction to the linbobo (20, 21).

As shown in FIGS. 1A, 2A, and 3A above, the vibration suppression apparatus 200 may be installed on the outer surfaces of the pulleys 20 and 21 in such a manner as to be added on the outer surfaces thereof, and FIGS. 1B and 2B. As illustrated in FIG. 3B, the vibration suppression apparatus 200 of the barrier ribs 20 and 21 may be inserted.

When the vibration damping device 200 is installed on the outer surfaces of the pulleys 20 and 21, the bolts 60 and 62 are in the direction in which the bolts are fastened to the fastening direction of the bolts. In the case of being inserted between the 21 and the pillar 10, 11 in the direction of the beams 20, 21 and the vibration damping device 200 to be penetrated up and down.

In addition, the vibration damping device 200 includes an upper steel plate wall 30, a lower steel plate wall 40, and an intermediate damper 50.

The upper steel plate wall 30 and the lower steel plate wall 40 face each other in the space between the two pillars 10, 11 and the plinth beams 20, 21 of the wall with the intermediate damper 50 interposed therebetween. Corresponding to the report or symmetrically installed, the intermediate damper 50 is preferably located in the middle between the upper steel plate wall 30 and the lower steel plate wall (40).

The upper steel plate wall 30 and the lower steel plate wall 40 may be provided with a bracing 70 in a diagonal direction to increase the resistance of the surface to the transverse direction (direction perpendicular to the longitudinal direction of the vibration damper). .

In addition, the upper steel plate wall 30 and the lower steel plate wall 40 may be bolted to the pulleys (20, 21) (60, 62), in which case the pulleys (20, 21) itself is steel steel Or when the barrier ribs 20 and 21 are formed of concrete, a bolt connection part between the steel plate walls 30 and 40 and the barrier ribs 20 and 21 through a separate connecting plate attached to the concrete. 60, 62 may be formed. Of course, when the pulverization beams 20 and 21 are formed of steel, the connection parts 60 and 62 may be welded connections.

Referring to FIG. 4, the upper steel plate wall 30, the lower steel plate wall 40, and the intermediate damper 50 may be formed in a double steel plate structure composed of two steel plates spaced at predetermined intervals, respectively. For convenience, the following description and drawings are mainly described on the basis that the intermediate damper 50 is composed of two steel plates 500 and 501 like the upper steel plate wall 30 and the lower steel plate wall 40, but the middle of the present invention The damper 50 may be formed of one single steel sheet.

That is, in the present invention, the two upper and lower steel plate walls 30 and 40 and the rigidity and strength of the intermediate damper 50 connected therebetween are different, that is, the rigidity and strength of the intermediate damper 50 are reduced so that the upper and lower steel sheets Since the intermediate damper 50 constitutes the vibration damping device 200 which deforms, yields or destroys the behavior prior to the walls 30 and 40, it is also right that the intermediate damper 50 is formed of a single steel sheet. We include in range.

Similarly, in the present invention, the strength and stiffness of the connecting portion 61 of the intermediate damper 50 and the steel plate walls 30 and 40 are designed to be greater than the strength or rigidity of the intermediate damper 50 itself. ) Is another basic configuration to deform, yield or breakage behavior before the connecting portion 61, so that the intermediate damper 50 is composed of two steel sheets, the scope of the present invention should not be limited. .

Meanwhile, the upper steel plate wall 30 is composed of upper and lower double steel plates 300 and 301, the lower steel plate wall 40 is formed of upper and lower double steel plates 400 and 401, and the intermediate damper 50 is formed of upper and lower double steel plates 500 and 501. do. Between the double steel plates 300 and 301 of the upper steel plate wall 30 and the double steel plates 500 and 501 of the intermediate damper 50 and between the double steel plates 400 and 401 of the lower steel plate wall 40. The double steel plates 500 and 501 of the damper 50 may be connected by using the bolt connection portion 61.

As shown in FIG. 4, predetermined lengths of both ends of the double steel sheets 500 and 501 of the intermediate damper 50 are formed in such a manner that they are inserted and connected between the double steel sheets of the upper steel plate wall and the lower steel plate wall.

That is, between the double steel sheets 300 and 301 of the upper steel plate wall 30 and the double steel sheets 400 and 401 of the lower steel plate wall 40 and the double steel sheets 500 and 501 of the intermediate damper 50. Each connecting portion may be connected using a bolt 61, and a predetermined gap is formed between the steel sheet 500 and the steel sheet 501 as shown in FIG. 4, and a buffer material 80 is formed at the predetermined interval. Can be formed. The detailed configuration of the buffer member will be described with reference to FIG. 5.

In addition, a predetermined gap is formed between the double steel sheets 300 and 301, and a predetermined gap is formed between the double steel sheets 400 and 401, and the buffer material 80 may be formed at the predetermined gap. have.

In addition to the connection using the bolt 61 may be considered a semi-permanent connection method, such as welding, the intermediate damper 50 of the present invention according to the service life of the structure, depending on the need for maintenance reinforcement, such as external forces such as earthquakes or typhoons When the building 100 or the vibration suppression apparatus 200 is damaged, it is preferable to use a bolt fastening method which is relatively easy to couple and dismantle so that the intermediate damper 50 can be easily replaced. The same applies to the connecting portions 60 and 62 between the steel plate walls 30 and 40 and the pulleys 20 and 21 described above.

In addition, in the vibration suppression apparatus 200 of the present invention, the intermediate damper 50 is designed among the upper steel plate wall 30, the lower steel plate wall 40, and the intermediate damper 50 in order to maximize the ductile behavior of the structure. The weakest strength or stiffness is designed so that the intermediate damper 50 can be deformed / yield / destroyed first. This allows the intermediate damper 50 to be deformed / yield / destroyed first, which is the easiest to replace and relatively retards the collapse of the structure, so that it is necessary after deformation / yield / destructive of the intermediate damper 50. Reinforcement of remuneration or the evacuation of residents can be ensured. That is, when the intermediate damper 50 is deformed / yield / destroyed, some support effects through the steel plate walls 30 and 40 can be expected, so that the intermediate damper 50 will not immediately lead to building collapse. In the event of rapid evacuation or urgent maintenance of the residents between deformation, surrender and destruction of the steel plate walls 30 and 40 after deformation / yielding / destruction, ultimately, it is possible to minimize human damage or damage to buildings. This leads to an increase in ductility characteristics of the building 100.

This is similar to the principle of preventing the inflow of more power than the internal structure can receive by pre-destruction of the fuse made of thin electric film when the voltage exceeds the allowable voltage.

In addition, as can be seen in Figure 4, the vibration damping device 200 of the present invention is the width of the intermediate damper 50 (the thickness in the vertical direction including the cushioning material when viewed in Figure 4) the upper steel plate wall 30 and the lower Compared with the conventional vibration suppression device which is narrower than the steel plate wall 40 and the vibration suppression device 200 is designed to have a uniform width, the view blocking area of the outer wall of the building 100 can be minimized, thereby damaging the appearance of the building 100. Can be reduced to some extent. In addition, the width of the intermediate damper 50 is smaller than that of the upper steel plate wall 30 and the lower steel plate wall 40, and the design strength thereof is also relatively small, thereby reducing the weight of the hardware of the intermediate damper 50 itself. As a result, it is possible to reduce the load of the building 100 itself, and through this, it is possible to expect the effect of increasing the seismic performance by reducing the earthquake load.

The intermediate dampers 50 are connected in such a manner that they are inserted at predetermined intervals between the double steel sheets of the upper steel plate wall 30 and the lower steel plate wall 40 as shown in FIGS. 2 and 4.

Meanwhile, referring to FIG. 5, a cushioning material such as high damping rubber 80 is inserted between the upper steel plate 300 and the lower steel plate 301 of the upper steel plate wall 30, and the high-strength rubber 300 is separated from the steel sheets 300 and 301. Between the buffer member 80, such as damping rubber, the joint part 81 by vulcanization can be formed in the upper steel plate 300 and the lower steel plate 301, respectively. Here, vulcanization means a method of chemically bonding the joints by applying heat and pressure, and through this, two types of adhesives compatible with rubber and steel sheet can be used to achieve strong chemical bonding, thereby achieving strong adhesion. That is, in the joint portion 81 by vulcanization, different adhesives are used for the portion bonded to the steel sheet and the portion bonded to the rubber. Through this, the cushioning material 80 can be firmly fixed to the steel sheets 300 and 301 through the joint portion 81 without a separate fixing mechanism. The same may be applied to other steel sheets 400, 401, 500, and 501.

On the other hand, the vibration damping device 200 according to the present invention can achieve a high initial stiffness and damping performance as an earthquake damper of the vibration damping device 200 by using a buffer material such as the high damping rubber, which is very efficient for fine vibration. It is effective not only in large earthquakes but also in micro- and long-term earthquakes caused by aftershocks and ordinary vibrations (wind, etc.). Therefore, even if there is no earthquake, it can have a big advantage in the case of earthquake of low to medium scale in the soft ground.

Therefore, the vibration suppression method 200 and the seismic method using the same can be widely used in remodeling of small and medium-sized buildings or existing buildings, as well as skyscrapers in Korea, where a large earthquake does not occur in reality.

In addition, when using a double steel sheet (300, 301, etc.) including a buffer 80, such as high damping rubber, it is possible to miniaturize the plate according to the high rigidity, thereby achieving a cost reduction. In addition, according to the miniaturization, as described above, the weight of the vibration suppression apparatus 200 itself may be reduced, thereby reducing the seismic load itself. In addition, the fine damping performance can be adjusted according to the design target, thereby reducing the cost of the vibration suppression apparatus 200, and the maintenance cost is also reduced because of excellent repeatability and performance stability due to age.

That is, the earthquake-proof method of this invention using the damping apparatus 200 which used the upper steel plate wall 30 and the lower steel plate wall 40 and the intermediate damper 50 which consist of the double steel plate and the buffer material 80 between them, The upper steel plate wall 30 and the lower steel plate wall 40 may be formed of a thick high strength steel sheet to have great rigidity, and the intermediate damper 50 may be formed of a thin low strength steel sheet. The seismic method using the vibration suppression apparatus 200 as in the present invention is a method for increasing the ductility during the behavior against the lateral load, the weight of the seismic reinforcement structure is reduced compared to the use of a thick steel plate for the entire cross-section to improve the seismic performance It helps. Because seismic loads can be reduced with decreasing weight of the building.

The lower steel plate wall 40 and the intermediate damper 50 are also preferably formed as shown in FIG.

In addition, when the shock absorbing material 80 is not a rubber material such as high damping rubber, but is a steel material, the cushioning material 80 is inserted between the steel sheet 300 and the steel sheet 301 and fixed to between the steel sheets 300 and 301. The connection may use, for example, bolted connection or welding.

Although it is described above that the cushioning material is installed in both the upper steel plate wall 30, the lower steel plate wall 40, and the intermediate damper 50, according to the embodiment, the upper steel plate wall is as shown in FIGS. 6 to 8. It may be provided only at 30 and the lower steel plate wall 40 or only at the intermediate damper 50, or only at the connection portion between the steel plate wall and the intermediate damper.

On the other hand, instead of using a rubber such as high damping rubber as the cushioning material 80 between the double steel sheet, a steel sheet is used as the cushioning material, wherein the upper and lower double steel sheets (300, 301, etc.) are relatively thick and rigid If it is made large, and the middle steel plate 80 is relatively thin and the rigidity is small, it is intermediate between the upper and lower thick steel plates (for example, 300 and 301) and the middle thin steel plate 80 from the behavior side. The thin steel plate 80 may be deformed and destroyed first to induce a ductile behavior of the entire structure, and in the worst case, the failure of the structure due to the earthquake load may be predicted in advance.

That is, in the present invention, in particular, since the steel plate walls 30 and 40 are all composed of double steel plates, and the buffer material 80 inserted into the gap between them is not difficult to visually identify, the deformation of the shock absorbing material 80 is not required. Or breakage can be seen on the left and right sides of the wall. Therefore, through deformation or destruction of the buffer material 80 in the steel plate walls 30 and 40, it is possible to predict whether the vibration damping device 200 is damaged at an early stage without the help of a diagnostic expert and to evacuate by itself or to seek the help of an expert. . Especially in small residential buildings or school buildings, it is not possible to periodically perform large-scale precision diagnosis or it is not easy to identify signs of building collapse that are obvious to experts or adults by using young students. And it can be very beneficial to introduce the seismic method using it.

Further, in the present invention, the double steel sheets 300, 301/400, 401 and the intermediate dampers of the upper and lower steel plate walls 30 and 40, whether or not a middle steel sheet or a rubber such as a high damping rubber is used as the cushioning material between the double steel sheet. The bolt connection portion 61 between the double steel plates 500 and 501 of the upper or lower steel plate walls 30 and 40 and the bolt connection portions 60 and 62 between the pulleys 20 and 21 of the building 100 are cushioning materials. It shall not be destroyed before the steel sheet or rubber used as (80). That is, it is necessary to grasp design strength so that each connection portion 60, 61, 62 is not destroyed more than each of the steel sheets 300, 301, 400, 401, 500, 501 as well as the buffer material 80 therein. This is because when the connection is pre-destructed, the ductility behavior of the vibration suppression apparatus 200 and the building 100 can not be expected, and can lead to sudden brittle fracture, and sufficient evacuation time can not be secured in case of danger of building collapse.

In addition, as described above, among the steel sheets, the design strength of the steel sheets 500 and 501 of the intermediate damper should be the lowest among the steel sheets 500 and 501. As described above, the buffer material 80 generally uses a rubber material having a lower strength than the double steel sheet or a thin steel plate having a lower strength / rigidity than the double steel sheet, so that the buffer material generally has a lower strength / rigidity than the double steel sheet. do.

That is, the design strength of the double steel sheet (300, 301, 400, 401, 500, 501) should be greater than the design strength of each of the buffer member (80).

For this purpose, the strength of the steel sheet and the buffer member is determined by the thickness or material of the steel sheet and the buffer member. That is, it is preferable that the upper steel plate wall 30 and the lower steel plate wall 40 are manufactured by using a steel plate having a thickness greater than that of the intermediate damper 50 and having a high rigidity so that the intermediate damper is destroyed first when the seismic load is applied. Do.

In addition, considering the design strength distribution, the strength of each connection part 60, 61, 62 is determined. For example, in the case of the connection part using bolts, the fracture strength of the bolts, the number of bolts, the area of the bolt connection part, etc. are determined. In the case of using the welded joint, the weld strength such as the neck thickness and the effective length of the welded portion is determined.

In summary, the strength can be determined in the order of connection part> double steel plate> buffer material, and the strength is determined by the size of steel plate wall> intermediate damper.

It is very important to design the strength of the steel sheet to the buffer member (300, 301, 400, 401, 500, 501, 80) and the connecting portion (60, 61, 62) to obtain the ductile failure behavior of the building 100 In particular, the connecting portion 61 between the intermediate damper 50 and the upper and lower steel plate walls 30 and 40 is a buffer material between the double damper 50 or the double steel sheets 500 and 501 of the intermediate damper 50. It is important to design so that it does not break before 80.

In the vibration damping apparatus 200, the shock absorbing material therein should be prevented from being pre-destructed rather than the double steel sheet.

On the other hand, the connection between the thick steel plate and the thin steel plate is preferably a spring bolt rather than using a general high-strength bolt (which is likely to tear the bolt connection due to stress concentration), and the spring bolt itself may buffer the elastic force. It becomes possible. The spring bolt (nut) refers to a bolt that can be separated by the elastic force when the spring bolt (nut) is pressurized and fixed, and can itself function as a damping (damping) damping using a damper as in the present invention It is advantageous for use in the device.

The spring bolt is preferably manufactured to be fixed to the pre-stressing pressure in advance so as to buffer the elastic force of the body and to be separated by the elastic force when the pressure is released.

The connection using the spring bolt will be described below with reference to FIGS. 11 and 12.

6, in the present invention, the upper and lower thick steel plates 300, 301, 400, and 401 of the upper and lower steel plate walls 30 and 40 and the relatively thin steel plates 500 and 501 of the intermediate damper 50 are mutually different. It is also possible to insert a separate cushioning material 80, such as a separate high damping rubber. In this case, since the upper and lower steel plate walls 30 and 40 are generally thicker than the middle damper 50, the damping strength is stronger, so that the intermediate damper 50 is connected to the steel plate walls 30 and 40. Complementing the damping function of only the connecting portion 61, the intermediate damper 50 has a smaller design strength than the steel plate walls 30 and 40, while the connecting portion 61 in the intermediate damper 50 itself than the steel plate (500, 501) By preventing the first destruction, and at the same time by minimizing the use of the shock absorbing material 80 it is possible to achieve the effect of the load reduction of the vibration suppression device 200 and the building 100 itself and the seismic load reduction thereby.

Alternatively, as shown in FIG. 7, the buffer 80 is used only for the entire span of the double steel sheets 500 and 501 in the intermediate damper 50, or the double steel sheets 500 and 501 of the intermediate damper 50 may be It is also possible to use the cushioning material 80 only between the double steel sheets of the upper and lower steel plate walls 30 and 40 without being in close contact with each other.

In the case of FIG. 7, the load reduction effect can be obtained by the thickness of the cushioning material used for the upper and lower steel plate walls 30 and 40 as described above. On the other hand, compared with FIG. 6, the double steel plate of the steel plate wall and the intermediate damper are doubled. If the strength (thickness) difference of the steel sheet is large, it may be structurally unstable to use the cushioning material only in the connecting portion 61, in this case the embodiment of Figure 7 may be an effective way.

In the case of FIG. 8, since the double steel sheets 500 and 501 of the intermediate damper 50 are not in close contact with each other and no cushioning material is used, the embodiment of the present invention precedes the strength of the double steel sheet of the steel plate wall and the double steel sheet of the intermediate damper. In the case of making it uniform as in the prior art without providing a differential, the intermediate damper 50 having no buffer material is relatively reinforced by reinforcing only the strength of the steel plate walls 30 and 40 while maintaining the convenience of design and construction using a uniform steel sheet. The effect of lowering the strength and stiffness of the steel sheet can be obtained, and thus it can be effectively appropriate for achieving the strength distribution of the steel plate wall> intermediate damper as described above.

In the case of FIG. 8, since a uniform steel sheet is used for both the steel plate wall and the intermediate damper, it is understood that the construction of the vibration suppression apparatus 200 is easier.

In the seismic method using the vibration isolator 200 which substantially differs in the arrangement method of such a shock absorber like FIG. 4, FIG. 6 thru | or FIG. 8, the connection part in the intermediate damper 50 compared with the double steel plate 500, 501. Reinforcing the strength of 61 is the most important matter. To this end, as shown in FIG. 9, a locking structure is formed between the intermediate damper 50 and the shock absorbing material 80. The shock absorbing material is formed in the groove 83 formed by recessing from the surfaces of the steel sheets 500 and 501 of the intermediate damper 50. A plurality of protrusions 82 of the 80 is formed in pairs such that the grooves 83 and the protrusions 82 mesh with each other to form a locking structure. This locking structure may be applied to an embodiment in which the buffer 80 is installed on all of the spans of the steel sheet as shown in FIG. 7. In addition, when the locking structure is used, the cushioning material 80 may be rubber or high damping rubber, but is preferably steel.

In addition, the locking structure effectively resists the transverse force (direction perpendicular to the longitudinal direction of the vibration damping device) as shown in FIG. 9 and prevents the locking portion from being released even in the vertical direction. 83) is preferably formed to be arranged with a step with respect to the vertical direction of the intermediate damper 50, so that it is possible to delay the release of the locking structure as much as possible even if the yield of the intermediate damper 50 is started.

As can be seen in FIG. 10, a plurality of grooves 83 and protrusions 82 of the locking structure may be formed, and an intermediate damper does not interfere with them between the plurality of grooves 83 and protrusions 82. Bolts 61 connecting the double steel plates 500 and 501 of the 500 and the shock absorbing material 80 may be fastened. In FIG. 10, the grooves 83 are not separately shown in the steel sheet 501.

The installation position of the vibration suppression apparatus 200 of the present invention is to be installed in the building 100, so that the bending stress of the structure is maximized so as to increase the bending strength in the longitudinal direction of the building 100 to the maximum deflection. It may be preferable because the vibration damping device 200 itself is, for example, the pillar 10 and the pillar 11 of the building 100 as shown in FIG. This is because, in the case of a long span structure in which the building 100 composed of) is connected to a plurality of structures, the building 100 may act as a new point while vertically connecting the upper and lower pullout beams 20 and 21 of the wall. Therefore, it is desirable to determine the position of the vibration suppression apparatus 200 so that the vibration suppression apparatus 200 can be used as a plurality of intermediate points in the entire transverse span of the building 100, rather than simply using the vibration suppression apparatus 200 as a seismic structure. Can be.

In addition, the intermediate damper 50 of the present invention serves to create a kind of new intermediate point when the span between the pillar 10 and the pillar 11 is large, it is expected to improve the bending performance of the frame itself in addition to simply improving the seismic performance. It becomes possible.

In particular, since the vibration damping device 200 itself can serve as a new point for the structure 100 as a whole, the structure, in particular the long span structure, in particular a residential building, a school building or a sports facility or a performance facility having no intermediate column Flexural performance reinforcement effects such as can be expected. Because the bending moment is inversely proportional to the length of the span between one point and the other point of the member, if the damping device acts as an intermediate point of the member or structure of one span, for example in the middle of one point and the other point If located, the bending moment can be improved as the span decreases from L to 2 / L, thus reducing the deflection of the structure.

On the other hand, in the seismic reinforcement method of the structure using the double steel sheet of the present invention to explain in detail the advantageous effect of using a high damping rubber between the double steel sheet as described above, the high damping rubber is excellent damping that the original rubber has It is manufactured in consideration of intrinsic characteristics such as performance and low temperature dependence to maximize the damping performance of rubber materials. The high attenuation rubber has a different absorption and divergence form of kinetic energy due to deformation than normal rubber. The vibration can be suppressed by converting the vibration into heat. In other words, the high damping rubber can instantly convert the vibration energy into thermal energy, and can have high energy absorption performance even at a small vibration.

In addition, when the vibration damping apparatus and the seismic method of the present invention are adopted, high vibration damping performance can be exhibited even after repeated excitation by using a rubber material inserted between double steel sheets.

Here, the vibration damping design is a design method that reduces the seismic force burdened by the structure by dissipating some seismic energy due to the plastic behavior of the device by applying the vibration suppression system rather than resisting the earthquake load (the existing seismic design method) through the damage of the structure. The device used in such vibration damping design is a vibration damping device.

Among the seismic reinforcement methods, strength and rigidity reinforcement methods increase the strength and stiffness of the building, but the deformation capacity does not change, and the increase of self weight increases the foundation reinforcement cost, and the air increases when considering work by wet method. In the case of birds, buckling causes a sudden drop in strength.

The ductile reinforcement method has little effect on the plan due to the small change of the member cross-sectional dimension, and it has a small impact on the building weight due to its light weight and high strength, and the air increases due to the large number of reinforcement points. Increases.

The method of adding ductile reinforcement and damping capacity has no influence on the indoor environment such as copper wire and flat of the building, and shows the reduction of reinforcement amount by increasing stability and reducing response due to low cost and short air and excellent energy absorption ability.

On the other hand, when explaining the method of installing the vibration damping device using the intermediate damper of the present invention, the steel plate walls 30, 40 of the vibration damping device 200 in the room beams 20, 21 of the building 100 is to be installed. After slabing the slab and drilling the slab, the steel plate walls 30 and 40 are installed, and the intermediate damper 50 is provided between the steel plate walls 30 and 40, and then the torque value is measured. This can be done through a sequence of sealing and epoxy grouting. The process of installing the medium-term intermediate damper 50 includes drilling the steel plate walls 30 and 40 and the intermediate damper 50 and connecting bolts or welding them.

Of course, when the steel plate wall and the intermediate damper is formed of a double steel sheet, it is preferable to assemble it in advance and bring it into the field, and the cushioning material is also inserted between the steel sheets in advance, and the joining part by vulcanization is also preferably manufactured in a pre-assembled form. Do.

Such damper structures are sometimes referred to as wall dampers because most of these steel plate structures are installed on the outer walls of buildings.

In more detail with respect to the damper as in the present invention, the damper may use a viscous damper, and the viscous damper has a shear deformation of the oil damper or the viscoelastic material bonded therebetween exhibiting damping capability even at a very small micro displacement. Viscoelastic dampers can be used that dissipate energy through.

Below are examples of oil dampers and viscoelastic dampers.

[Figure 1: Example of Oil Damper and Viscoelastic Damper]

In addition, hysteresis dampers can be used, which yields earlier than steel dampers and steel dampers, which have difficulty in exhibiting attenuation during urine wetting due to their relatively high yield displacement, and have very low secondary stiffness after yielding. Lead dampers with damping capability, and devices that use energy dissipation due to friction between two materials during motion, may have friction dampers that require a suitable material to maintain a coefficient of friction, as shown in Figure 2 below.

[Figure 2: Example of hysteresis damper]

Hereinafter, a connection method using a spring bolt in the present invention will be described with reference to FIGS. 11 to 12, wherein the spring bolt is connected to the bolt connection parts 60, 61, and 62, in particular, to the bolt connection part 61. Can be applied.

 11 is a view showing a configuration in which the connecting portion using the spring bolt of the present invention is an elastic member, that is, the spring is arranged to the anchor by way of example. 12 is a view showing a configuration that includes a bolt and nut, an elastic member and a nut cap for preventing nut loosening.

As shown in FIG. 11, the bolt connection part using the spring bolt may include an anchor 1110, a bolt 1120, a first nut 1130, and a first spring 1140.

11 shows an embodiment using an anchor having a female threaded portion formed therein as an example of an anchor. Therefore, it is possible to fasten the steel plate by fastening a separate bolt, for example, a computer bolt to the female screw thread. If a bolt is pre-fastened or integrally formed with an anchor (for example, an anchor bolt), the bolt provided with the anchor may be used or the bolt provided may be replaced. Another bolt may be used to carry out the reinforcement process of the present invention.

 Accordingly, depending on the type of anchor used, a bolt 1120 that is fastened to the anchor 1110 in advance, such as an anchor bolt, may be used, or a separate bolt 1120 that meets the standard of the anchor 1110, for example, It will be understood by those skilled in the art that a computer bolt may be used.

Hereinafter, for clarity, a direction in which the anchor 1110 is embedded in the anchor receiving portion 1101 is referred to as a downward direction (bottom and bottom) of the anchor or bolt, and the bolt 1120 is fastened to the anchor 1110. ) Will be described as a direction (upper, upper) of the anchor or bolt is connected to the steel plate 1200.

Here, the steel plate 1200 may mean the steel plates 300, 301, 400, 401, 500, and 501. The bolt 1120 may also represent bolt connections 60, 61, 62, and in the embodiments of FIGS. 11 and 12, a separate anchor having a spring receptacle 1102 for receiving the spring 1140 ( A bolt 1120 is inserted into and connected to 1110.

The first spring 1140 is installed on the outer circumference of the bolt 1120 at the top of the anchor 1110. The first spring 1140 may be installed after the anchor 1110 is embedded or after the bolt 1120 is fastened to the anchor 1110. That is, before the steel plate 1200 is fastened to the bolt 1120, the first spring 1140 is first placed on the separate member 1100. Here, the separate member 1100 may mean the shock absorbing material 80. Then, the steel plate 1200 is fastened to tighten the first nut 1130 such that the first spring 1140 contacts the steel plate 1200.

The first spring 1140 may be located inside the member 1100 to effectively transmit vibration, expansion force, and contraction force applied to the member 1100 to the steel plate 1200 attached to the member 1100 as a reinforcing material. As such, the first spring 1140 is in close contact with the reinforcing member in the member, thereby absorbing the force and vibration acting on the structure to the elastic member and transmitting the same to the reinforcing member, thereby improving the reinforcing effect by the reinforcing member.

In addition, the first spring 1140 may disperse the force received by the anchor 1110 embedded in the member 1100. The anchor 1110 and the bolt 1120 embedded in the member 1100 are continuously subjected to the force due to vibration, shock, expansion, contraction, etc. As a result, the anchor 1110 and the bolt 1120 and the member 1100. The coupling between them may be loosened. The force is absorbed and dispersed by the first spring 1140 which is an elastic member. Therefore, the anchor 1110 and the bolt 1120 may be suddenly released or damaged by external force such as vibration, thereby preventing the steel plate 1200 from falling off from the member 1100.

In order to install the first spring 1140 having this effect, after forming the anchor receiving portion 1101 on the outer surface of the member 1100, the first spring receiving portion 1102 on the anchor receiving portion 1101. Can be further formed. In this case, the diameter d _s1 of the first spring receiving portion 1102 may be greater than or equal to the diameter d _a of the anchor receiving portion 1101. Therefore, in the embodiment of the present invention, when the anchor receiving portion 1101 is formed, the outer surface of the member 1100 by the length of the embedded length (L) of the anchor 1110 and the length (l) of the first spring 1140. Dig a groove from this time, the diameter is formed to a size that can accommodate the anchor 1110 (d _a ), the diameter (d _s1 ) of the first spring receiving portion 1102 is the diameter of the anchor receiving portion 1110 ( d _a ) greater than the length of the first spring 1140 from the outer surface of the member 1100 at the position where the anchor receiving portion 1110 is formed, the first spring receiving portion 1102. The groove can be further formed by the diameter (d _s1 ) of the).

The size, ie diameter, thickness, and length of the first spring 1140 may be appropriately selected as necessary.

In addition, since the bolt 1120 is installed through the inside of the first spring 1140, the bolt 1120 serves as a guide for preventing the first spring 1140 from being bent or bent.

In addition, a first spring protection part 1170 may be added to the first spring receiving part 1102. The first spring protection unit 1170 is for preventing foreign matter from being caught in the first spring 1140 and is a cylindrical member installed to match the diameter of the first spring receiving unit 1102.

The bolt 1120 is installed by penetrating the inner diameter of the first spring 1140, and then penetrates the through hole 1210 of the steel plate 1200 through the bolt 1120 to allow the steel plate 1200 to be disposed on the member 1100. Settle). When there are a plurality of through holes formed in one steel plate 1200, the plurality of through holes are positioned so that the plurality of through holes are fastened to bolts corresponding to the plurality of through holes.

The first nut 1130 is fastened to the bolt 1120, and the first nut 1130 is fastened so that the steel plate 1200 positioned on the outer surface of the member 1100 may be firmly fastened.

A washer (not shown) may be included between the first nut 1130 and the steel plate 1200 to prevent the nut from loosening. For example, washers such as flat washers, spring washers, rubber washers and the like can be used.

In general, in the fastening method using the bolt and nut, the elasticity is lost due to the yielding of the material, or the space is generated due to the vibration of the fastening structure and parts, the friction force between the bolt and the nut may be reduced, the loosening may occur. In order to prevent an accident from occurring due to such loosening phenomenon, in the prior art, a method of fixing a bolt and a nut by injecting an adhesive is used, but when the nut needs to be dismantled for maintenance, a nut must be destroyed. .

In the present invention, the second spring 1150 and the second nut 1160 are additionally installed on the first nut 1130 to prevent the phenomenon of loosening. The configuration of such an embodiment will be described below with reference to FIG.

As shown in FIG. 12, the connection structure includes an anchor 1110, a bolt 1120, a first nut 1130, a first spring 1140, a second spring 1150, and a second nut 1160. Can be configured.

12 is a view illustrating an embodiment in which a second spring 1150, a second nut 1160, a nut cap 1300, and the like are added to the above-described configuration in FIG. 11, and the same applies to FIGS. 11 and 12. And descriptions thereof will be omitted.

The first nut 1130 is fastened to the bolt 1120, and the second spring 1150 and the second nut 1160 are sequentially positioned on the bolt 1120 protruding upward from the first nut 1130. Let's do it. In this case, as in the first spring 1140, the bolt 1120 is installed through the bolt 1120 in the second spring 1150 to prevent the second spring 1150 from bending or bending. Serve as a guide.

The second spring 1150 is positioned between the first nut 1130 and the second nut 1160 so that one end of the second spring 1150 abuts with the first nut 1130 and the second spring is in contact with the second spring 1150. The other end of 1150 is positioned in contact with the second nut 1160. The first fixing grooves 1131 and the second fixing grooves 1161 are formed in the first nut 1130 and the second nut 1160, respectively, and the second springs 1150 are formed in the fixing grooves 1131 and 1161. Both ends of the) are positioned in a shape that is respectively seated.

In one example of the present invention, when the first nut 1130 is rotated in the unwinding direction, the second spring 1150 having one end positioned in the first fixing groove 1131 of the first nut 1130 rotates in the unwinding direction. In other words, the second spring 1150 may be installed to relax. Therefore, one end contacting the first nut 1130 by the release energy acting in the direction in which the first nut 1130 is released, that is, the lower end portion of the second spring 1150 opens in the second spring 1150. If the second end of the second nut 1160 is in contact with the second fixing groove 1161 of the second nut 1160, that is, the upper end of the second spring 1150 is between the second nut 1160 and the second spring 1150. As the rotation of the second nut 1160 is prevented by the frictional force acting on the second nut 1160, the release energy is again caused by the restoring force of the second spring 1150 that is rotated or partially rotated in the unwinding direction. 2) the second spring 1150 may be delivered in a retracting direction to prevent the first nut 1130 from being loosened.

Accordingly, the second spring 1150 presses the first nut 1130 on the upper portion of the first nut 1130 to prevent the first nut 1130 from being loosened by vibration or the like. In addition, since the second spring 1150 absorbs vibration transmitted through the steel plate 1200, the bolt 1120, and the nuts 1130 and 1160 to the elastic member and simultaneously presses the upper portion of the first nut 1130. When the first nut 1130 is used alone, the friction force is increased to prevent rotation of the first nut 1130.

In addition, the nut cap 1300 may be additionally installed to prevent the bolt 1120 and the first and second nuts 1130 and 1160 from rotating and physically fix the bolt 1120. The nut cap 1300 is formed to accommodate the first and second nuts 1130 and 160, the second spring 1150, and the bolt 1120.

The nut cap 1300 may also block moisture, dust, and the like from an external environment to prevent the bolt 1120, the first and second nuts 1130 and 1160, and the second spring 1150 from being rusted. . As such, the life extension effects of the bolts 1120, the nuts 1130 and 1160, and the second springs 1150 may be maximized.

Although embodiments of the present invention have been described in detail with reference to the accompanying drawings, those skilled in the art will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

In addition, in order to explain the technical idea of the present invention, the accompanying drawings are not shown to scale, but are partially enlarged and reduced.

In addition, it is a matter of course that the embodiments selectively combining the components and steps of the system, method or apparatus of the present invention described above also belong to the scope of the present invention.

100: architecture
10, 11: pillar
20, 21: personal information
30: upper steel plate wall
40: lower steel plate wall
50: middle damper
60, 61, 62: bolted connections
70: bracing
80: cushioning material
81: joint by vulcanization
82: protrusion
83: home
300, 301: double steel plate of the upper steel plate wall
400, 401: double steel plate of lower steel plate wall
500, 501: double steel plate of intermediate damper
1101: anchor receiving portion
1102: spring receptacle
1110: anchor
1120: bolt
1130: first nut
1131: first fixing groove
1140: first spring
1150: second spring
1160: second nut
1161: second fixing groove
1170: first spring protection
1200: steel plate
1210: through hole
1300: nut cap

Claims (10)

A vibration suppression device installed in a direction perpendicular to the crossbeam in a wall of a building including a left and right pillar and a crossbeam between two pillars.
The vibration suppression apparatus includes an upper steel plate wall, a lower steel plate wall, and an intermediate damper,
The upper steel plate wall and the lower steel plate wall are installed facing each other in the space between the two pillars of the wall and the barrier beam with the intermediate damper therebetween,
The upper steel plate wall and the lower steel plate wall is formed of a structure of a double steel sheet consisting of two steel plates spaced at predetermined intervals, respectively, and formed of a structure in which the intermediate damper can be inserted between predetermined intervals of the double steel sheet. A vibration damper characterized by the above-mentioned. The method of claim 1,
The upper steel plate wall and the lower steel plate wall is thicker than the intermediate damper and the rigidity so that the damper is manufactured so that the intermediate damper first breaks upon loading. The method of claim 2,
The intermediate damper is bolted between each of the predetermined gaps of the upper steel plate wall and the lower steel plate wall;
And the design strength of the bolt connection is greater than the design strength of the intermediate damper so that the bolt connection is not deformed, yielded or destroyed before deformation, yielding or breaking of the intermediate damper. The method of claim 3,
The bolt uses a spring bolt to reinforce the tear due to the stress concentration of the bolt connection,
The spring bolt is fixed to the pre-stressing pressure in advance to play a buffer role by the elastic force of the body, when the pressure is released, characterized in that it is manufactured to be separated by the elastic force. The method of claim 1,
A separate cushioning material may be provided at the predetermined interval between the upper steel plate wall and the lower steel plate wall,
The damping device is characterized in that the rubber material is formed. The method of claim 1,
The installation position of the vibration isolator is characterized in that it is installed at the point where the bending stress of the structure to the maximum to increase the bending strength in the longitudinal direction of the structure. The method of claim 5,
The damper of claim 6, wherein the intermediate damper is formed of an upper steel plate and a lower steel plate. The method of claim 7, wherein
The upper steel plate and the lower steel plate of the intermediate damper are spaced apart at predetermined intervals, and a predetermined cushioning material may be installed at a predetermined interval between the upper steel sheet and the lower steel sheet of the intermediate damper,
The damping device is characterized in that the rubber material is formed. The method of claim 5,
Separate joints are formed between each of the cushioning material of the upper steel plate wall and the lower steel plate wall and the upper steel plate and the lower steel plate, and the joining part is a joint surface joined to the buffer material and a joint surface joined to the upper steel plate and the lower steel plate. The vibration damping apparatus is formed separately from each other and uses different adhesives. The method of claim 8,
Separate joints are formed between the upper and lower steel plates and the damper of the upper steel plate wall and the intermediate damper, and the upper and lower steel sheets, and the joining portions are joined to the joint surface and the upper and lower steel sheets that are joined to the buffer. Bonding surfaces to be joined are formed separately from each other, using a different adhesive agent.

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