KR101406535B1 - Steel plate shear wall structure using block assembly - Google Patents

Steel plate shear wall structure using block assembly Download PDF

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Publication number
KR101406535B1
KR101406535B1 KR1020120063254A KR20120063254A KR101406535B1 KR 101406535 B1 KR101406535 B1 KR 101406535B1 KR 1020120063254 A KR1020120063254 A KR 1020120063254A KR 20120063254 A KR20120063254 A KR 20120063254A KR 101406535 B1 KR101406535 B1 KR 101406535B1
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South Korea
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block
steel plate
frame
assemblies
fastening
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KR1020120063254A
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Korean (ko)
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KR20130139627A (en
Inventor
임현창
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재단법인 포항산업과학연구원
주식회사 포스코
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Priority to KR1020120063254A priority Critical patent/KR101406535B1/en
Publication of KR20130139627A publication Critical patent/KR20130139627A/en
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Abstract

The present invention provides a steel plate shear wall structure using a block assembly.
The present invention relates to a steel plate sheave comprising a steel plate shear wall body portion provided with an outer frame coupled to a column or a beam and a steel plate shear wall body portion provided between the outer frame, Wherein the steel plate block assembly comprises a first block made of a plurality of panels spaced apart from each other and a plurality of panels sandwiched between the plurality of panels of the first block, And a fastening means for fastening the first block and the second block, wherein the first block forms the coupling groove portion, and the second block forms the coupling portion Wherein the first block, the second block, and the fastening means are partly fabricated and then assembled to form the block assembly. And provides a steel plate shear wall structure using a lip body.

Description

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a steel plate shear wall structure using a block assembly,

The present invention relates to a steel plate shear wall structure using a block assembly, and more particularly, to a steel plate shear wall structure using a block assembly having improved structural resistance and workability against lateral load.

Reinforced Concrete (RC) structural system is more applied to residential and school buildings because it has lower material cost and structural use performance (vibration) than steel structure. However, reinforced concrete structures that are not sufficient in seismic design due to brittle tendency due to their material properties are likely to collapse suddenly and should be reinforced.

In Korea, since the seismic design was introduced in 1988, it can be said that the structures built before that are extremely vulnerable to earthquakes. Therefore, seismic retrofitting should be carried out for buildings not subject to seismic design, and in the case of public facilities, the government is proceeding with business progress.

On the other hand, a shear wall system is one of the most effective resistance systems for buildings against lateral loads such as seismic loads and wind loads. Shear Wall is a system that is installed in the core part in the form of a wall to resist the gravity or the lateral force by utilizing the high rigidity in the in-plane direction. Therefore, the wall reinforcement method can improve the lateral force resistance performance by using the shear wall principle and can improve the rigidity without giving a large change to the existing plane in terms of architectural design.

Conventionally, such a shear wall system is mainly used for reinforcing existing columns with reinforced concrete structures, fiber-glass reinforced plastics (hereinafter referred to as FRP) or steel plates, or shear walls provided with steel plates.

However, reinforced concrete reinforcement is disadvantageous in terms of ease of construction due to the increase of air due to the wet method, and when the thickness of the shear wall is increased for reinforcing the shear force, the weight of the concrete is heavy. When the reinforced concrete is applied by the dry method, there is a problem that the bonding force is weak with the existing structure.

In addition, the reinforcement method using FRP has a disadvantage in that it is convenient and light in construction, but ductility is improved in seismic performance, but rigidity reinforcement is difficult.

In addition, steel reinforcement can be reinforced with rigidity and ductility, but it is disadvantageous in terms of workability and economical efficiency, such as joining existing reinforced concrete structures with columns or beams, using construction machines by installing large steel plates, and requiring welding technicians.

Therefore, in the case of seismic strengthening using the shear wall system, it is possible to reinforce the stiffness and ductility of the shear wall in order to increase the resistance against lateral forces such as seismic loads, A steel plate shear wall structure capable of solving the problems caused by joining with a column of a conventional reinforced concrete structure and installing a large steel plate shear wall is required.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned conventional problems, and an object of the present invention is to provide a block assembly which is advantageous in reinforcing rigidity and ductility for seismic reinforcement of a structure, Steel plate shear wall structure.

Another aspect of the present invention is to provide a steel plate shear wall structure using a block assembly capable of forming a shear wall by a dry method and improving workability by shortening the length of the air.

Another object of the present invention is to provide a steel plate shear wall structure using a block assembly capable of forming necessary shear walls of various sizes and structures by laminating necessary numbers according to the space of a building structure.

In order to accomplish the above object, the present invention provides a steel plate sheave comprising: an outer frame coupled to a column or a beam; and a steel plate shear wall body portion provided between the outer frames, And a plurality of steel plate block assemblies each having a coupling protrusion portion to be inserted into the engaging groove portion are laminated by fitting engagement, wherein the steel plate block assembly includes a first block composed of a plurality of panels spaced apart from each other, A second block which is sandwiched between the plurality of panels and is partly joined to the first block in face contact with each other and a fastening means for fastening the first block and the second block, Wherein the first block, the second block, and the fastening means are partly fabricated and then assembled, Thereby forming the block assembly. The present invention also provides a steel plate front wall structure using the block assembly.

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Preferably, the first block includes first fastening holes formed at predetermined intervals, and the second blocks include second fastening holes formed at predetermined intervals, wherein the fastening means includes a first fastening hole A bolt inserted through the hole and the second fastening hole, and a nut fastened to the bolt.

Advantageously, the plurality of block assemblies may be such that a second block of one of the neighboring block assemblies is fitted between the first blocks of the other block assemblies.

Preferably, the plurality of block assemblies may be welded together with a first block of one of the neighboring block assemblies and a first block of another block assembly.

Preferably, in the first block, a chamfered surface may be formed at an edge of a surface not in contact with the second block to increase the welding strength.

Preferably, the outer frame may be fixed to the column or the beam by an anchor bolt.

Preferably, the front end wall body portion is fitted into the outer frame by fitting and the fitting projection portion of the outer frame is fitted into the engagement groove portion of the block assembly disposed at one side end of the front end wall body portion, And the engaging projection portion of the block assembly disposed at the other end portion can be fitted into the fitting groove portion of the outer frame.

Preferably, the plurality of block assemblies may be installed to be inclined with respect to the outer frame.

According to the steel plate front-end wall structure using the block assembly according to the embodiment of the present invention, since the steel plate blocks formed by assembling the parts are assembled by fitting, the shear wall structure is advantageous for reinforcing rigidity and ductility for seismic- It can be easily transported to the site and the installation cost can be reduced.

According to an embodiment of the present invention, since a plurality of steel plate block assemblies are assembled by fitting and assembled by bolt joining and welding, it is possible to form a shear wall by a dry process, have.

In addition, according to an embodiment of the present invention, the block assembly can be manufactured as a standard module partized to a predetermined standard, and a necessary number of blocks can be stacked according to the space of the building structure to form shear walls of various sizes and structures .

1 is a front view of a steel plate front wall structure using a block assembly according to an embodiment of the present invention.
2 is an exploded perspective view of a steel plate shear wall structure using a block assembly according to an embodiment of the present invention.
3 is a perspective view illustrating an assembled perspective view of a block assembly according to an embodiment of the present invention.
Figure 4 is an exploded perspective view of the block assembly shown in Figure 3;
Figures 5 and 6 are partially enlarged cross-sectional views of the block assembly shown in Figure 3;
7 is a partially enlarged cross-sectional view showing the combination of the column, the outer frame and the block assembly.
8 is a front view of a steel plate shear wall structure using a block assembly according to another embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

First, the embodiments described below are embodiments suitable for understanding the technical features of the steel plate shear wall structure using the block assembly of the present invention. However, the technical features of the present invention are not limited by the embodiments to which the present invention is applied or explained in the following embodiments, and various modifications are possible within the technical scope of the present invention.

The steel plate front wall structure 100 using a block assembly according to an embodiment of the present invention may include an outer frame 200 and a steel plate front wall body portion as in the embodiment shown in FIGS. 1 and 2 .

The outer frame 200 may be connected between the column 10 supporting the vertical load of the building structure and the beam 20 connected between the column 10 and supporting the horizontal load.

In this case, the structure of the column 10 or the beam 20 can be applied without limitation. Hereinafter, a case where the column 10 and the beam 20 are made of a reinforced concrete structure will be described as an example. However, the structure of the column 10 and the beam 20 is not limited thereto. For example, the outer frame 200 applied to the present invention may also be coupled to the column 10 or the beam 20 made of steel- Of course.

The front wall body part may be installed between the outer frames 200 and may be formed of a steel plate.

That is, the front wall body part reinforces a building structure including a vertical member and a horizontal member in the form of a front wall, thereby improving the seismic performance of the lateral force resistance. The shear wall body portion is formed of a steel plate so that it can be easily connected to the column or the beam by the dry method through the outer frame 200 and has ductility and rigidity that can resist the lateral force acting on the structure It can be sufficiently reinforced.

The shear wall body portion may be formed by stacking a plurality of steel plate block assemblies 300 having an engaging groove portion and an engaging protrusion portion inserted into the engaging groove portion by fitting, as in the embodiment shown in Figs. 1 and 2 have.

That is, the plurality of block assemblies 300 are made of a steel plate, and the plurality of block assemblies 300 can be fitted together by forming the engaging grooves and the engaging protrusions so that the engaging protrusions are inserted into the engaging grooves. Accordingly, the plurality of block assemblies 300 may be stacked by fitting to form the shear wall body portion. A detailed description of the method of forming the engaging projection and the engaging groove will be described later.

In addition, the block assembly 300 may be manufactured as standard modules that are made into parts of a predetermined standard, and the shear walls of various sizes and structures may be formed by stacking necessary numbers according to the space of the building structure.

As described above, according to the steel plate front-end wall structure 100 according to the embodiment of the present invention, since the steel plate blocks formed by assembling parts are assembled by fitting, the shear wall structure is advantageous for reinforcing rigidity and ductility for seismic- And it is easy to carry to the site and the cost is reduced. Since the steel plate block assembly 300 is assembled by fitting, it is possible to form a shear wall by the dry method, thereby improving the workability by shortening the air. Can be obtained.

3 and 4, the steel plate block assembly 300 constituting the shear wall body portion includes a first block 310 composed of a plurality of panels spaced apart from each other, A second block 330 sandwiched between a plurality of panels of the block 310 and partially bonded to the first block 310 in a surface contact manner, and a second block 330 interposed between the first block 310 and the second block 330, The first block 310 may form the coupling groove, and the second block 330 may form the coupling protrusion.

3 and 4, an embodiment of the block assembly 300 is shown. The block assembly 300 may be formed by superimposing a plate member made of the same shape of steel plate in a surface contact manner as shown in the illustrated embodiment.

Specifically, the first block 310 may be spaced apart from the plurality of panels 310a and 310b, and the second block 330 may be sandwiched between the plurality of panels 310a and 310b, 350 may be coupled to the first block 310. In this case, the second block 330 is partially coupled to the first block 310 so that the block assembly 300 is formed with a coupling protrusion by the second block 330, A coupling groove may be formed between the plurality of panels 310a and 310b of the block 310. [

The first block 310 and the second block 330 and the fastening means 350 may be parted to form the block assembly 300 by assembling these components and the block assembly may be assembled The shear wall body portion can be formed.

3 and 4, the first block 310 and the second block 330 constituting the block assembly 300 are joined by a plurality of plate members (for example, welding W) The configurations of the first block 310 and the second block 330 are not limited thereto and may be formed of a single plate member, for example. According to the number and size of the plate members, a block assembly 300 having various sizes can be manufactured.

However, the first block 310 and the second block 330 are not necessarily configured to have the same shape, and if the shear wall can be formed by fitting between the plurality of block assemblies 300, But plate members of other shapes may be formed in face contact.

The plurality of block assemblies 300 may include a plurality of blocks 310a and 310b of the first block 310 of the other block assembly 300, 310b.

1 and 2, the plurality of block assemblies 300 may be stacked vertically, horizontally, and vertically to form a shear wall body portion by fitting.

The first block 310 has a first fastening hole 311 formed at a predetermined interval and the second block 330 has a second fastening hole 331 formed at a predetermined interval can do. The fastening means 350 includes a bolt 351 inserted through the first fastening hole 311 and the second fastening hole 331 and a nut 353 fastened to the bolt 351 Lt; / RTI >

4, the block assembly 300 includes the first block 310 and the second block 330 coupled together by bolts 351 by the fastening means 350, .

1 and 2, after the second block 330 of one of the block assemblies 300 is fitted between the first blocks 310 of the other block assembly 300 The bolts 351 are inserted through the first fastening holes 311 of the first block 310 and the second fastening holes 331 and fastened to the bolts 351 by the nuts 353, The plurality of block assemblies 300 can be firmly assembled.

At this time, preferably, the head portion 351a of the bolt 351 and the nut 353 may be rounded, as in the illustrated embodiment. Accordingly, the appearance of the block assembly 300 can be enhanced.

The plurality of block assemblies 300 may be formed such that a first block 310 of one of the neighboring block assemblies 300 and a first block 310 of another block assembly 300 are welded together .

That is, as in the embodiment shown in FIGS. 1 and 2, the surface of the first block 310 forming the outer surface of the front end wall body portion of the adjacent block assembly 300 which is fitted to each other can be welded. The first block 310 and the second block 330 may be assembled by the fastening means 350 and may be welded to form a shear wall body.

Accordingly, the block assembly 300 can be more firmly coupled by the plurality of neighboring block assemblies 300 being engaged by fitting and welding.

At this time, in the first block 310, a chamfered surface 313 may be formed at the edge of the surface that does not contact the second block 330 to increase the welding strength.

3, 6, and 7, the outer surface of the block assembly 300 (that is, the outer surface of the outer surface of the block 300 that is not in contact with the second block 330) A chamfered surface 313 may be formed.

As a result, a space for penetrating the welding melts can be formed on the surfaces of the plurality of block assemblies 300 on which the first blocks 310 are in contact, so that the welding strength can be reinforced. Since the portion protruding onto the welding portions after welding is minimized, So that the effect of simplifying the finishing work of the welding portion can be obtained.

1, 2 and 7, the outer frame 200 may be fixed to the column 10 or the beam 20 by means of anchor bolts 210. As shown in FIGS.

The anchor bolts 210 are inserted into holes formed in the column 10 or the beam 20 through the holes formed in the outer frame 200 so that the outer frame 200 is inserted into the column 10 or Can be fixedly connected to the beam (20).

Accordingly, when the column 10 or the beam 20 is made of a reinforced concrete structure, the outer frame 200 made of a steel material can be firmly fixed to the concrete surface of the column 10 or the beam 20 have.

The front wall body part may be engaged with the outer frame by fitting. That is, the outer frame 200 and the block assembly 300 may be coupled by fitting.

For example, as shown in FIGS. 2 and 7, the outer frame 200 may include a fitting protrusion 230 and a fitting groove 240, And the second block 330 of the block assembly 300 can be inserted into the fitting groove 240. The first block 310 of the assembly 300 can be inserted between the first block 310 of the assembly 300 and the second block 330 of the block assembly 300. [ At this time, the outer frame 200 and the first block 310 may be welded to each other, as in the embodiment shown in FIG.

Accordingly, since the block assembly 300 and the outer frame 200 can be coupled by the fitting engagement, the work process can be facilitated and the workability in forming the shear wall can be improved.

8 shows a steel plate front wall structure 100 according to another embodiment of the present invention. Hereinafter, a detailed description of the same configuration as that of the above-described embodiment of the present invention will be omitted, and the arrangement of the block assembly 300 ', which is different from the embodiment of the present invention, will be described.

8, the plurality of block assemblies 300 'may be disposed obliquely with respect to the outer frame 200. As shown in FIG.

That is, a plurality of the first block 310 and the second block 330 may be stacked at an angle with respect to the outer frame 200. At this time, the fastening method and the fitting method of the block assembly 300 'can use the same method as the one embodiment of the present invention described above.

Accordingly, when a horizontal load such as an earthquake is applied to a building structure to which another embodiment of the steel plate front-end wall structure 100 is applied, the plurality of block assemblies 300 'transmit a load in an oblique direction between neighboring block assemblies , The entire shear wall body is more likely to receive the shear force due to the lateral load.

Therefore, the steel plate shear wall structure according to another embodiment of the present invention has an excellent effect of transmitting loads to the shear wall body portion when the horizontal load is transmitted to the building structure, so that the seismic performance can be improved.

The steel plate shear wall structure using the block assembly according to an embodiment of the present invention is advantageous for reinforcing rigidity and ductility for reinforcing seismic resistance of a structure by assembling the steel plate blocks with each other by fitting them together , And it can be easily transported to the site and the installation cost can be reduced. In addition, since a plurality of steel plate block assemblies are assembled by fitting and assembled by bolt joining and welding, it is possible to form a shear wall by the dry method, and workability can be improved by shortening the air.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention, It will be appreciated that those skilled in the art will readily understand the present invention.

100: steel plate shear wall structure using a block assembly 200: outer frame
210: anchor bolt 300: block assembly
310: first block 311: first fastening hole
313: Chamfer surface 330: Second block
331: second fastening hole 350: fastening means

Claims (9)

  1. An outer frame coupled to the column or beam; And
    And a steel plate front wall body part provided between the outer frames,
    The steel plate front end wall body portion is formed by laminating a plurality of steel plate block assemblies having engaging groove portions and engaging projections to be inserted into the engaging groove portions by fitting engagement,
    The steel plate block assembly includes:
    A first block made up of a plurality of panels spaced apart;
    A second block sandwiched between the plurality of panels of the first block and partially joined to the first block in face contact; And
    And fastening means for fastening the first block and the second block,
    Wherein the first block forms the coupling groove and the second block forms the coupling protrusion,
    Wherein the first block, the second block, and the fastening means are partly manufactured and then assembled to form the block assembly.
  2. delete
  3. The method according to claim 1,
    Wherein the first block has a first fastening hole formed at a predetermined interval and the second block has a second fastening hole formed at a predetermined interval,
    Wherein the fastening means comprises a bolt inserted through the first fastening hole and the second fastening hole, and a nut fastened to the bolt.
  4. The method according to claim 1,
    Wherein the plurality of block assemblies are configured such that a second block of one of the neighboring block assemblies is fitted between the first blocks of the other block assemblies.
  5. The method according to claim 1,
    Wherein the plurality of block assemblies are welded to a first block of one of the neighboring block assemblies and a first block of another block assembly.
  6. 6. The method of claim 5,
    Wherein the first block has a chamfered surface at an edge of a surface not contacting the second block so as to increase welding strength.
  7. The method according to claim 1,
    Wherein the outer frame is fixed to the column or the beam by an anchor bolt.
  8. The method according to claim 1,
    The front wall body portion is fitted to the outer frame by fitting,
    The fitting protrusion of the outer frame is fitted in the engaging groove of the block assembly disposed at one end of the front end wall body,
    And the coupling protrusion of the block assembly disposed at the other end of the shear wall body is fitted in the fitting groove of the outer frame.
  9. 9. The method according to any one of claims 1 to 8,
    Wherein the plurality of block assemblies are installed to be inclined with respect to the outer frame.
KR1020120063254A 2012-06-13 2012-06-13 Steel plate shear wall structure using block assembly KR101406535B1 (en)

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CN103741841A (en) * 2014-01-15 2014-04-23 北京工业大学 Energy-dissipation damping double-steel-plate cantilever wall and construction method thereof
CN104372872A (en) * 2014-11-06 2015-02-25 安徽鸿路钢结构(集团)股份有限公司 Assembling-type multipurpose steel plate shear wall
CN104563332A (en) * 2014-12-30 2015-04-29 长安大学 Built-in steel plate and reactive powder concrete composite shear wall
CN104878856A (en) * 2015-05-05 2015-09-02 广东省建科建筑设计院 Superimposed steel plate connecting beam disposed between shear walls in building structure and construction method of superimposed steel plate connecting beam
CN104878856B (en) * 2015-05-05 2017-06-30 广东省建科建筑设计院有限公司 The laminated steel plate coupling beam and its construction method being placed in building structure between shear wall
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