WO2012141378A1

WO2012141378A1 - Earthquake-proof damper, and earthquake-proof system using same

Info

Publication number: WO2012141378A1
Application number: PCT/KR2011/004263
Authority: WO
Inventors: 최성진
Original assignee: 강토아이디테크(주)
Priority date: 2011-04-15
Filing date: 2011-06-10
Publication date: 2012-10-18
Also published as: KR101046249B1

Abstract

The present invention relates to an earthquake-proof damper and to an earthquake-proof system using same. The earthquake-proof damper comprises: a first and second fixing member, each of which is fixed to an object to be installed; an oil damper installed between the first and second fixing members so as to absorb earthquake energy using the oil filled therein; and a spring cylinder installed between the first and second fixing members, and having a spring installed therein for absorbing earthquake energy by means of a cylinder capable of being compressed and extended. According to the present invention, it is easy to configure a system suitable for earthquake-proofing in accordance with the displacement between the stories of a building, customized design according to loads is convenient, earthquake-proofing efficiency can be increased, and economical installation and maintenance are possible as replacement and modification costs are low.

Description

Seismic Damper and Seismic System Using It

The present invention relates to an earthquake damper and an earthquake resistant system using the same, and more particularly, it is easy to configure a system suitable for earthquake according to the displacement of a building, a customized design according to the load, and to increase the seismic efficiency. It relates to an earthquake damper and a seismic system using the same.

In general, seismic structures increase the strength of the frame to withstand earthquakes, while absorbing vibration energy from the frame itself in consideration of ductility to prevent the overall collapse even if the partial destruction of the structure such as a building is recognized. Say

The seismic structure is to improve and secure the occupancy, functionality and stability of the structure, to absorb and dissipate seismic energy acting on the structure, and to minimize the damage to life and property due to the destruction of the structure.

Conventional seismic systems should be installed where significant displacements occur in the structure, reduce the response acceleration of the structure below the limit level, and further reduce both acceleration, displacement, and base shear forces before and after installation, Absorb vibration energy to suppress displacement and reduce load.

However, in the conventional seismic system, dampers must be installed according to the inter-layer response of the building, and the response of the earthquake varies according to the height of the building, the number of pillars of the building, the material of the building, etc. It was difficult to develop an economical and effective system for earthquake resistance, and there was a problem that an expensive cost occurred in replacing a damper when an earthquake occurred.

In order to solve the conventional problems as described above, the present invention is easy to configure the appropriate system according to the inter-floor displacement of the building, to increase the seismic efficiency, and to save cost and time due to replacement and change, economical Ensure installation, maintenance and management.

Other objects of the present invention will be readily understood through the following description of the embodiments.

In order to achieve the object as described above, according to an aspect of the present invention, a damper is installed for the earthquake-resistant structure, the first and second fixing members for fixing to the installation object, respectively; An oil damper installed between the first and second fixing members and absorbing seismic energy using oil filled inside; And a spring cylinder installed between the first and second fixing members, the spring cylinder having a spring for absorbing seismic energy.

The first and second fixing members are formed in a plate shape, and the oil damper and the spring cylinder are installed to be expanded and contracted to each other in the interval direction, and the spring cylinder is installed at the center, and the oil damper is the spring. A plurality of detachable installations can be provided along the circumference of the cylinder.

The spring cylinder, the spring may be installed on the inner side of the cylinder which is installed to be stretchable between the first and second fixing member.

According to another aspect of the invention, the seismic system of the structure, a plurality of reinforcement is installed inclined for reinforcement to the pillar of the structure; A plurality of supports inclined in a direction crossing the reinforcement to support each of the reinforcement; And a first damper installed to absorb seismic energy in the support, wherein the first damper comprises: first and second fixing members respectively fixed to the support; An oil damper installed between the first and second fixing members and absorbing seismic energy using oil filled inside; And a spring cylinder installed between the first and second fixing members and having a spring installed therein for absorbing seismic energy in the stretchable cylinder.

A portion of the support is provided with the first damper, a portion of the support is provided with a second damper, and the second damper comprises: a piston fixed to the end of the rod; A cylinder body in which the piston is installed to reciprocate inward so that the rod is drawn outward and a flow passage for aeration is formed in a space compressed by the piston; A compression spring installed inside the cylinder body to be compressed by the piston; And a ventilation control unit installed in the flow path to allow outside air to flow through the flow path when the compression spring is compressed, and to block the flow path when the compression spring is restored.

According to another aspect of the invention, the seismic system of the structure, a plurality of reinforcement is installed inclined for reinforcement to the pillar of the structure; And a first damper installed below the reinforcement to absorb seismic energy, the first damper comprising: first and second fixing members respectively fixed to be installed below the reinforcement; An oil damper installed between the first and second fixing members and absorbing seismic energy using oil filled inside; And a spring cylinder installed between the first and second fixing members and having a spring installed therein for absorbing seismic energy in the stretchable cylinder.

The first damper is installed on a part of the lower side of the reinforcement, the second damper is installed on the other lower part of the reinforcement, and the second damper includes: a piston fixed to the end of the rod; A cylinder body in which the piston is installed to reciprocate inward so that the rod is drawn outward and a flow passage for aeration is formed in a space compressed by the piston; A compression spring installed inside the cylinder body to be compressed by the piston; And a ventilation control unit installed in the flow path to allow outside air to flow through the flow path when the compression spring is compressed, and to block the flow path when the compression spring is restored.

According to the seismic damper and the seismic system using the same according to the present invention, it is easy to configure a system suitable for earthquake according to the displacement of the building, easy to design according to the load, to increase the seismic efficiency, to replace and change Its low cost allows for economical installation, maintenance and management.

1 is a perspective view showing a damping damper according to the present invention,

2 is a front view showing a seismic system according to a first embodiment of the present invention,

3 is a cross-sectional view showing a second damper of the seismic system according to the first embodiment of the present invention;

4 is a front view showing a seismic system according to a second embodiment of the present invention.

As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, but should be understood as including all changes, equivalents, and substitutes included in the spirit and scope of the present invention, and may be modified in various other forms. It is to be understood that the scope of the present invention is not limited to the following examples.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the same or corresponding components will be given the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted.

1 is a perspective view showing a damper for earthquake according to the present invention.

As illustrated in FIG. 1, the seismic damper 110 according to the present invention is a damper which is installed for earthquake resistance in a structure, and includes first and

second fixing members

111 and 112 and first and second fixing members 111 and 112. ) May include an oil damper 113 and a spring cylinder 114 respectively installed therebetween.

The first and

second fixing members

111 and 112 are members to be fixed to an installation object, for example, a reinforcing rod or support of a seismic system, or a structure installed in a ground or ground, respectively. For example, a plate shape for being arranged side by side as in this embodiment. It may be made, and may be provided on one side, that is, the fixing portion for fixing to a fixed object such as a structure or ground on the surface facing outward. Here, the fixing part may be formed of, for example, a hinge connection structure, a shaft joint structure, a support structure, or various other connection or installation structures.

Both ends of the oil damper 113 are fixed to the first and

second fixing members

111 and 112 by bolts, welding, or other joining methods, and are installed between the first and

second fixing members

111 and 112 having a space therebetween. To absorb seismic energy using oil filled inside, for example, oil is filled inside the cylinder, a flow path is formed in the piston installed inside the cylinder, and when the piston moves by external force applied through both ends. As the oil in the cylinder passes through the flow path of the piston, the kinetic energy is converted into thermal energy, etc., thereby absorbing the vibration energy caused by the earthquake. Here, the oil damper 113 may be installed so that the movement direction of the piston coincides with or corresponds to the distance direction between the first and

second fixing members

111 and 112.

The spring cylinder 114 is installed between the first and

second fixing members

111 and 112 and has a spring 114c for absorbing seismic energy. Here, the spring cylinder 114 may be made of only the spring 114c, but the spring 114c inside the

cylinders

114a and 114b installed to be stretchable between the first and

second fixing members

111 and 112, as in the present embodiment. ) Can be installed. Here, the cylinder (114a, 114b) is made of a pair of cylinders that can be stretched by overlapping with different diameters, for example, each end is bolted or welded to the first and second fixing members (111, 112), etc. Is fixed in the way. In addition, the spring 114c may be formed of, for example, a compression coil spring, and both ends thereof are fixed to be supported by the first and

second fixing members

111 and 112, respectively, so that the spring 114c is installed inside the

cylinders

114a and 114b.

The first and

second fixing members

111 and 112 are installed with an oil damper 113 and a spring cylinder 114 to be expanded and contracted in the direction of each other, the spring cylinder 114 is installed in the center, the oil damper 113 Is installed detachably in a plurality of intervals along the circumference of the spring cylinder 114. Here, the oil damper 113 is fixed to the first and

second fixing members

111 and 112 by inserting both ends into the through

holes

111a and 112a formed in the first and

second fixing members

111 and 112 and screwing them to bolts. The damping may be generated by external forces through the first and

second fixing members

111 and 112, and the number of fastenings to the first and

second fixing members

111 and 112 may be adjusted by separating and fastening the bolts according to the load. .

2 is a front view showing a seismic system according to a first embodiment of the present invention.

As shown in FIG. 2, the seismic system 100 according to the first embodiment of the present invention includes a plurality of reinforcing rods 120 and reinforcing rods 120 installed to reinforce the pillar 1 of a structure such as a building. It may include a plurality of support 130 for supporting each, and the first damper 110 installed in the support 130.

The reinforcing rod 120 is made up of a plurality of inclined to the reinforcement to the pillar (1) of the structure, one side is fixed to the pillar (1) of the structure, the other side is fixed to the ground or the structure (2) of the ground or other fixed It may be fixed to the object, for example, both ends may be fixed with bolts and nuts, respectively, to the fixing portion 121 is fixed by welding or bolt fastening to the column (1).

Reinforcing rods 120 are each supported inclined on both sides of the column 1 as in this embodiment, it may be arranged in a plurality of inclined along the vertical direction of the column (1).

The support 130 may be installed to be inclined to support each of the reinforcement 120, one end is fixed to the reinforcement 120 by welding or bolt fastening, the other end to the installation target, such as ground or ground structure (2) It may be fixed by welding or bolting. Here, the support 130 may be installed to be inclined in the direction crossing each other on the reinforcement (120).

The first damper 110 is installed to absorb the seismic energy in the support 130, the external force applied through the support 130 by being installed in the middle of the support 130 or the end of the support 130 as in this embodiment Damping.

The first damper 110 is installed between the first and

second fixing members

111 and 112 and the first and

second fixing members

111 and 112 to be fixed to the support 130, respectively, and uses oil filled therein. An oil damper 113 for absorbing seismic energy and a spring 114c installed between the first and

second fixing members

111 and 112, and for absorbing seismic energy in the

stretchable cylinders

114a and 114b. Including a spring cylinder 114, the first and

second fixing members

111 and 112 are formed in a plate shape, the oil damper 113 and the spring cylinder 114 for being stretched in the interval direction of each other is installed, Spring cylinder 114 is installed in the center, the oil damper 113 is installed detachably in a plurality along the circumference of the spring cylinder (114).

On the other hand, the first damper 110 is the same as the damper for earthquake according to the present invention, and since it has been described in detail, detailed description thereof will be omitted.

In addition, in the seismic system 100 according to the first embodiment of the present invention, the first damper 110 is installed at a part of the support 130, and the second damper 140 is installed at another part of the support 130. Can be. As in this embodiment, the first damper 110 is installed on the support 130 for supporting the reinforcing rod 120 located in the upper portion, the second damper 140 supports the reinforcing rod 120 located in the lower portion. The support 130 may be installed.

As shown in FIG. 3, the second damper 140 is provided with a piston 141 fixed to the end of the rod 141a and a piston 141 reciprocating inward so that the rod 141a is pulled outward. In addition, the cylinder body 142 is formed in the flow path 142a for ventilation in the space compressed by the piston 141, and the compression spring installed inside the cylinder body 142 to be compressed by the piston (141) 143 and the flow path 141a, which allow the outside air to flow through the flow path 141a when the compression spring 143 is compressed, and block the flow path 141a when the compression spring 143 is restored. Aeration control unit 144 may be included, and various fluids may be used in place of air.

The cylinder body 142 may have a side flow passage 142b for inflow and outflow of air at the side thereof, and thus the air is discharged through the side flow passage 142b during initial compression by the piston 141. Make the initial behavior of 141 smooth.

Ventilation control unit 144 is made of a ball (ball) is installed to move in accordance with the flow of air in the flow path (142a), for example, is spaced apart from the minimum diameter of the flow path (142a) when compressed by the piston 141 When the piston 141 is returned to its original position due to the restoration of the compression spring 143, when the air flows in through the flow path 142a, the ball is introduced into the air path 142a by the inflow of air. Blocking the minimum diameter portion to block the inflow of air, thereby delaying the return of the compression spring 143. On the other hand, the vent control unit 144 is not limited to this can be adjusted so that the aeration of air is made in one direction by using a valve or a check valve that is bent by the pressure of the air.

Thus, according to the seismic system 100 according to the first embodiment of the present invention, the first damper 110 and the second damper 140 absorbs the seismic energy applied to the pillar 1 during an earthquake in a different behavior. To have an excellent seismic efficiency.

As shown in FIG. 4, the seismic system 200 according to the second embodiment of the present invention includes a plurality of reinforcing rods 120 which are installed to be inclined for reinforcement on the pillar 1 of the structure, and a lower side of the reinforcing rods 120. It may include a first damper 110 is installed to absorb the seismic energy.

The first damper 110 is installed between the first and second fixing

members

111 and 112 and the first and second fixing

members

111 and 112 to be fixed to be installed below the reinforcing rod 120, respectively. An oil damper 113 for absorbing seismic energy by using oil and a spring for absorbing seismic energy in the

flexible cylinders

114a and 114b installed between the first and second fixing

members

111 and 112. 114c) may include a spring cylinder 114 is installed. Here, the first and second fixing

members

111 and 112 are formed in a plate shape, and the oil damper 113 and the spring cylinder 114 are installed to be expanded and contracted to each other in the interval direction, and the spring cylinder 114 is located at the center thereof. It is installed, the oil damper 113 may be detachably installed in a plurality along the circumference of the spring cylinder (114).

In addition, in the seismic system 200 according to the second embodiment of the present invention, the first damper 110 is installed below a part of the reinforcing bar 120, and the second damper 140 is located below the other part of the reinforcing bar 120. 3, the second damper 140 has a piston 141 fixed to the end of the rod 141a, and the piston 141 is installed to reciprocate inwardly so that the rod ( The cylinder body 142 which draws outward 141a, the flow path 142a for aeration is formed in the space compressed by the piston 141, and the inner side of the cylinder body 142 so that it may be compressed by the piston 141. The compression spring 143 is installed in the flow path 142a, the compression spring 143 is installed in the outside air flows through the flow path 142a, and the compression spring 143 is restored when the flow path ( It may include a vent control unit 144 to block 142a).

In the seismic system 200 according to the second embodiment of the present invention, the first damper 110 and the second damper 140 may be installed between the lower end of the reinforcing rod 120 and the structure 2 of the ground or the ground. Since the construction is the same as the first damper 110 and the second damper 140 of the earthquake-resistant system 100 according to the first embodiment, a detailed description thereof will be omitted.

As described above, the seismic damper according to the present invention and the seismic system using the same make it easy to configure an appropriate system according to the inter-layer displacement of the building, to withstand vertical and torsional loads, and to adopt a high degree of freedom damper, It can compensate for fatigue breakdown.

In addition, according to the seismic damper and the seismic system using the same according to the present invention, it is possible to manufacture a variety of dampers in the shape of the coil-type carbonaceous damper, for example, the number of revolutions, linear diameter, coil diameter, pitch, etc. It is possible to partially replace the spring and damper when replacing, and it is economical by using the multi-damper with a small capacity and using the spring, and it is possible to reduce the construction cost during the seismic reinforcement and reduce the number of dampers used.

As described above, the present invention has been described with reference to the accompanying drawings, but various modifications and changes can be made without departing from the spirit of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

The seismic damper and the seismic system using the same according to the present invention can be applied to various buildings and facilities.

110: first damper 111: first fixing member

111a: through hole 112: second fixing member

112a: through hole 113: oil damper

114:

spring cylinder

114a, 114b: cylinder

114c: spring 120: reinforcement

121: fixing part 130: support

140: second damper 141: piston

141a: rod 142: cylinder body

142a: flow path 142b: side flow path

143: compression spring 144: ventilation control unit

Claims

Dampers installed in the structure for earthquake resistance,

First and second fixing members respectively fixed to the installation object;

An oil damper installed between the first and second fixing members and absorbing seismic energy using oil filled inside; And

A spring cylinder installed between the first and second fixing members and having a spring for absorbing seismic energy;

Seismic damper comprising a.
The method of claim 1, wherein the first and second fixing members,

The oil damper and the spring cylinder is formed in a plate shape, and the spring damper is installed in the mutually spaced direction, the spring cylinder is installed in the center, and the oil damper is detachably mounted along the circumference of the spring cylinder. An earthquake damper, characterized in that it is installed.
The method of claim 1 or 2, wherein the spring cylinder,

The damper for earthquake resistance, characterized in that the spring is installed on the inner side of the cylinder that is elastically installed between the first and second fixing member.
In the seismic system of the structure,

A plurality of reinforcing bars installed inclined for reinforcement on the pillar of the structure;

A plurality of supports inclined in a direction crossing the reinforcement to support each of the reinforcement; And

A first damper installed to absorb seismic energy in the support;

The first damper,

First and second fixing members respectively fixed to the support;

An oil damper installed between the first and second fixing members and absorbing seismic energy using oil filled inside; And

And a spring cylinder installed between the first and second fixing members and having a spring installed therein to absorb the seismic energy in the flexible cylinder.
The method of claim 4, wherein the first damper is installed in a part of the support, the second damper is installed in the other part of the support,

The second damper,

A piston fixed to the end of the rod;

A cylinder body in which the piston is installed to reciprocate inward so that the rod is drawn outward and a flow passage for aeration is formed in a space compressed by the piston;

A compression spring installed inside the cylinder body to be compressed by the piston; And

Ventilation control unit is installed in the flow path to allow the outside air to flow through the flow path when the compression spring is compressed, and to block the flow path when the compression spring is restored.

Earthquake resistance system comprising a.
In the seismic system of the structure,

A plurality of reinforcing bars installed inclined for reinforcement on the pillar of the structure; And

A first damper installed below the reinforcement to absorb seismic energy,

The first damper,

First and second fixing members respectively fixed to be installed below the reinforcing rod;

An oil damper installed between the first and second fixing members and absorbing seismic energy using oil filled inside; And

And a spring cylinder installed between the first and second fixing members and having a spring installed therein to absorb the seismic energy in the flexible cylinder.
The method of claim 6, wherein the first damper is provided below a part of the reinforcement, the second damper is installed below the other part of the reinforcement,

The second damper,

A piston fixed to the end of the rod;

A cylinder body in which the piston is installed to reciprocate inward so that the rod is drawn outward and a flow passage for aeration is formed in a space compressed by the piston;

A compression spring installed inside the cylinder body to be compressed by the piston; And

Ventilation control unit is installed in the flow path to allow the outside air to flow through the flow path when the compression spring is compressed, and to block the flow path when the compression spring is restored.

Earthquake resistance system comprising a.
The method of claim 4 or 6, wherein the first and second fixing member,

The oil damper and the spring cylinder is formed in a plate shape, and the spring damper is installed in the mutually spaced direction, the spring cylinder is installed in the center, and the oil damper is detachably mounted along the circumference of the spring cylinder. Earthquake resistance system characterized in that it is installed.

.