CA2485151C - Quake-resisting and energy-dispersing structural assembly, and method for installing the same - Google Patents

Quake-resisting and energy-dispersing structural assembly, and method for installing the same Download PDF

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Publication number
CA2485151C
CA2485151C CA2485151A CA2485151A CA2485151C CA 2485151 C CA2485151 C CA 2485151C CA 2485151 A CA2485151 A CA 2485151A CA 2485151 A CA2485151 A CA 2485151A CA 2485151 C CA2485151 C CA 2485151C
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Canada
Prior art keywords
shear wall
quake
resisting
wall panel
energy
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Expired - Fee Related
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CA2485151A
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French (fr)
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CA2485151A1 (en
Inventor
Keh-Chyuan Tsai
Ying-Cheng Lin
Michel Bruneau
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National Applied Research Laboratories
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National Applied Research Laboratories
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Publication of CA2485151A1 publication Critical patent/CA2485151A1/en
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Expired - Fee Related legal-status Critical Current
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Abstract

A quake-resisting and energy-dispersing structural assembly includes a main structure having two structural components spaced apart from each other, a shear wall panel connected between the structural components of the main structure, and at least one reinforcing member extending across the shear wall panel for lateral restraint of the shear wall panel.

Description

=t ~

QUAKE-RESISTING AND ENERGY-DISPERSING STRUCTURAL
ASSEMBLY, AND METHOD FOR INSTALLING THE SAME

BACKGROUND OF THE INVENTION
1. Field of the Invention The invention relates to a structural assembly, more particularly to a quake-resisting and energy-dispersing structural assembly. This invention also relates to a method for installing the structural assembly.
2. Description of the Related Art Conventionally, a shear wall is used in combination with a main steel structure of a building so as to reduce the cost for constructing the building by decreasing the amount of the steel material for the main steel structure while maintaining or even improving the overall structural strength of the building.
Referring to Figures 1 and 2, a conventional shear wall 11 is shown to be mounted within a main steel structure 12 of a structural assembly. The main steel structure 12 includes two steel beams 121 spaced apart from each other, and two steel columns 122 each interconnecting corresponding end portions of the steel beams 121. The steel for the steel beam 121 and the steel column 122 is a standard section steel, an H-section steel, and the like.

The shear wall 11 is usually made of steel material, and is installed within the main steel structure 12.

The top and bottom edges of the shear wall 11 are connected to the steel beams 121 correspondingly. Therefore, the force produced in a quake can be transmitted to the shear wall 11 through the steel beams 121 so as to disperse the energy of the quake.

In the event of quaking, horizontal quake forces cause the steel beams 121 to shift relative to each other, which renders the shear wall 11 with a tendency to deform so as to produce a shear force. The shear force will produce in the shear wall 11 a pulling stress and a compressing stress perpendicular to the pulling stress.
Since the shear wall 11 has a good toughness, the energy of the quake can be absorbed and dispersed. Therefore, the stress imposed on the steel columns 122 can be reduced so as to achieve a quake-resisting effect.

However, there is still a need to improve the quake-resisting and energy-dispersing ability of the shear wall 11.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a structural assembly having improved quake-resisting and energy-dispersing ability.

In the first aspect of this invention, a quake-resisting and energy-dispersing structural assembly includes amain structure having two structural components spaced apart from each other, a shear wall panel connected between the structural components of the main structure, and at least one reinforcing member extending across the shear wall panel for lateral restraint of the shear wall panel.

In the second aspect of this invention, a method for installing a quake-resisting and energy-dispersing device to a main structure having two structural components spaced apart from each other includes the steps of (a) preparing a shear wall panel, (b) attaching a reinforcing member to the shear wall panel so as to restrain laterally the shear wall panel, and (c) connecting the shear wall panel to the structural components of the main structure.

In the third aspect of this invention, a method for installing a quake-resisting and energy-dispersing device to a main structure having two structural components spaced apart from each other includes the steps of (a) preparing a shear wall panel, (b) connecting the shear wall panel to the structural components of the main structure, and (c) attaching a reinforcing member to the shear wall panel.

BRIEF DESCRIPTION OF THE DRAWINGS

Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiments with reference to the accompanying drawings, of which:

Figure 1 is a schematic view of a conventional shear wall mounted on a main structure;
Figure 2 is a sectional view of the conventional shear wall, taken along line II-II of Figure 1;

Figure 3 is an exploded fragmentary perspective view of a first preferred embodiment of the quake-resisting and energy-dispersing structural assembly according to this invention;

Figure 4 is a schematic view of the first preferred embodiment of Figure 3;

Figure 5 is -a sectional view of the first preferred embodiment, taken along line V-V of Figure 4;
Figure 6 is a flow diagram of a first preferred embodiment of the method for installing a quake-resisting and energy-dispersing device to a main structure according to this invention;

Figure 7 is an exploded fragmentary perspective view of a second preferred embodiment of the quake-resisting and energy-dispersing structural assembly according to this invention;

Figure 8 is a schematic view of the second preferred embodiment of Figure 7;

Figure 9 is a sectional view of the second preferred embodiment, taken along line IX-IX of Figure 8;
Figure 10 is a flow diagram of a second preferred embodiment of the method for installing a quake-resisting and energy-dispersing device to a main structure according to this invention;

Figure 11 is a schematic view of a third preferred embodiment of the quake-resisting and energy-dispersing structural assembly according to this invention;

Figure 12 is a sectional view of the third preferred 5 embodiment, taken along line XII-XII of Figure 11;
Figure 13 is a schematic view of a fourth preferred embodiment of the quake-resisting and energy-dispersing structural assembly according to this invention;

Figure 14 is a sectional view of the fourth preferred embodiment, taken along line XIV-XIV of Figure 13;
Figure 15 is a schematic view of a fifth preferred embodiment of the quake-resisting and energy-dispersing structural assembly according to this invention;

Figure 16 is a sectional view of the fifth preferred embodiment, taken along line XVI-XVI of Figure 15;
Figure 17 is a schematic view of a sixth preferred embodiment of the quake-resisting and energy-dispersing structural assembly according to this invention;

Figure 18 is a sectional view of the sixth preferred embodiment, taken along line XVIII-XVIII of Figure 17;
Figure 19 is a schematic view of a seventh preferred embodiment of the quake-resisting and energy-dispersing structural assembly according to this invention; and Figure 20 is a sectional view of the seventh preferred embodiment, taken along line XX-XX of Figure 19.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

Before the present invention is described in greater detail, it should be noted that like elements are denoted by the same reference numerals throughout the disclosure.

Referring to Figures 3, 4 and 5, the first preferred embodiment of a quake-resisting and energy-dispersing structural assembly according to this invention is shown to include a main structure 4, a shear wall panel 21, a plurality of reinforcing members 22, and a plurality of fastening members 23. The main structure 4 has two structural components 41 spaced apart from each other and used as beams. The main structure 4 further has two columns 42 spaced apart from each other and interconnecting corresponding end portions of the structural components 41. Each of the reinforcing members 22 is made of channel steel, and is formed with a plurality of holes 25. The shear wall panel 21 is formed with a plurality of holes 24 corresponding to the holes of the reinforcing members 22. Each of the fastening members 23 includes a bolt 231 and a nut 232. The reinforcing members 22 are attached correspondingly to 25 two opposite sides of the shear wall panel 21 by screwing via the fastening members 23 that pass through the holes 25 of the reinforcing members 22 and the holes 24 of the shear wall panel 21 correspondingly. Therefore, the reinforcing members 22 extend across the shear wall panel 21 for lateral restraint of the shear wall panel 21 so as to enhance the quake-resisting and energy-dispersing ability during an earthquake. In this preferred embodiment, the reinforcing members 22 are substantially horizontal with respect to the structural components 41. Additionally, as shown in Figures 15, 16, 19 and 20, the reinforcing members 22 can be substantially vertical or inclined with respect to the structural components 41 of the main structure 4. The shear wall panel 21 is made of steel, and includes top and bottom edges 212,212 connected to the structural components 41 of the main structure 4, respectively, by soldering.

The shear wall panel 21 is preferably made of steel in view of the extendibility and the energy dispersibility, even though other suitable materials can be used as well. In addition to the channel steel, the reinforcing members 22 can be made of other suitable material, such as concrete, and can be formed with other suitable cross-sections. For example, angle steel (as shown in Figures 11 and 12) , box steel (as shown in Figures 13 and 14), complex steel (as shown in Figures 15 and 16), concrete slab (as shown in Figures 7, 8 and 9), a combination thereof (as shown in Figures 17 and 18), and the like are useful in this invention. The reinforcing members 22 canbedifferent from or identical to each other in thickness. The reinforcing members 22 can be attached to one of the opposite sides of the shear wall panel 21. In addition to screwing, the reinforcing members 22 can be attached to the shear wall panel 21 by other suitable manner, such as by soldering.
Furthermore, the main structure 4 can be made of steel or concrete. The main structure 4 and the reinforcing members 22 can be formed integrally, if possible.

Referring to Figures 4, 5 and 6, the first preferred embodiment of the method according to this invention is illustrated for installing a quake-resisting and energy-dispersing device to a main structure 4 having two structural components 41 spaced apart from each other.
The method includes the steps of:

1) preparing a shear wall panel 21:

First of all, the cross-sectional size of the shear wall panel 21, the number and location of the reinforcing members 22, and the number, location and size of the fastening members 23 are determined in view of the quake-resisting analysis.

The shear wall panel 21 is then prepared by selecting a steel panel having a proper thickness, lofting and cutting the steel panel, and positioning and drilling holes 24 through the steel panel.

2) preparing reinforcing members 22:

Each of the reinforcing members 22 is prepared by cutting a channel steel in a desirable length, and positioning and drilling holes 25 therethrough according to the size and the position of the holes 24 of the shear wall panel 21.

3) attaching:

The reinforcing members 22 are attached to the shear wall panel 21 by screwing the fastening members 23 through the holes 24, 25 correspondingly so as to restrain laterally the shear wall panel 21.

4) connecting:

The shear wall panel 21 is connected to the structural components 41 of the main structure 4 by soldering or by other suitable manner.

It should be noted that the aforesaid steps 3) and 4) are interchangeable, and that the aforesaid step 1) and step 2) can be conducted simultaneously.

Referring to Figures 7, 8 and 9, the second preferred embodiment of a quake-resisting and energy-dispersing structural assembly according to this invention is substantially similar to the first preferred embodiment, except that concrete slab is used as the reinforcing member 22 in this preferred embodiment.

Referring to Figures 8, 9 and 10, the second preferred embodiment of the method according to this invention is substantially similar to the first preferred embodiment, except that the concrete slab used as the reinforcing member 22 is prepared by molding and that the connecting step is conducted prior to the attaching step. In view of the fact that the concrete slab is relatively brittle as compared to steel, it is preferable to connect the shear wall panel 21 to the structural components 41 of the main structure 4 5 prior to attaching the reinforcing members 22 to the shear wall panel 21.
While the present invention has been described in connection with what is considered the most practical and preferred embodiment, the scope of the claims should not be limited by the 10 preferred embodiments set forth in the examples, but should be given the broadest interpretation consistent with the description as a whole.

Claims (15)

1. A quake-resisting and energy-dispersing structural assembly, comprising:

a main structure having at least two structural components spaced apart from each other;

a shear wall panel connected between said structural components of said main structure and having two opposite ends;

a plurality of reinforcing members attached to each of two opposite sides of said shear wall panel, each of said reinforcing members extending continuously from one of said opposite ends of said shear wall panel to the other one of said opposite ends of said shear wall panel; and a plurality of fastening members fastening said reinforcing members to said shear wall panel and disposed at intervals along the length of each of said reinforcing members;

each of said reinforcing members on one of said opposite sides of said shear wall panel being fastened to at least one of said reinforcing members on the other one of said opposite sides of said shear wall panel to clamp therebetween said shear wall panel.
2. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein said opposite ends of said shear wall panel are top and bottom edges connected to said structural components of said main structure, respectively.
3. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 2, wherein said shear wall panel is a steel panel.
4. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein said reinforcing members are made of a material selected from the group consisting of concrete and steel.
5. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein said reinforcing members are substantially horizontal.
6. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein said reinforcing members are substantially vertical.
7. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein each of said reinforcing members is inclined with respect to horizontal and vertical lines.
8. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein at least one of said reinforcing members is inclined with respect to horizontal and vertical lines.
9. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein said reinforcing members have different cross-sections.
10. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein said reinforcing members are made of different materials.
11. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein each of said reinforcing members has a portion that extends along full length of the respective one of said reinforcing members and that is substantially parallel to said shear wall panel, and another portion that is transverse to said shear wall panel and that extends along full length of the respective one of said reinforcing members, said fastening members extending through said portions of said reinforcing members.
12. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein said reinforcing members are selected from the group consisting of channel steel members, angle steel members, box steel member, concrete slabs, and combinations thereof.
13. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 11, wherein said reinforcing members are selected from the group consisting of channel steel members, angle steel members, box steel members, and combinations thereof.
14. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein said reinforcing members are channel steel members, each of said channel steel members having a portion substantially parallel to and spaced apart from said shear wall panel, and two other portions projecting from said portion transversely of said shear wall panel to contact said shear wall panel, each of said fastening members extending through said portion between said other portions of each of said channel steel members.
15. The quake-resisting and energy-dispersing structural assembly as claimed in Claim 1, wherein said reinforcing members are angle steel members, each of said angle steel members having a portion substantially parallel to and contacting said shear wall panel, and another portion projecting from said portion, said another portion of each of said angle steel members being juxtaposed to said another portion of another one of said angle steel members, said fastening members extending through said portion of each of said angle steel members.
CA2485151A 2003-10-16 2004-10-14 Quake-resisting and energy-dispersing structural assembly, and method for installing the same Expired - Fee Related CA2485151C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW92128701A TWI233958B (en) 2003-10-16 2003-10-16 Shock-resistant energy-absorbing device and application method thereof
TW092128701 2003-10-16

Publications (2)

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CA2485151A1 CA2485151A1 (en) 2005-04-16
CA2485151C true CA2485151C (en) 2012-08-14

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103981997B (en) * 2014-05-12 2017-01-18 东南大学 Ribbed bamboo constraining shear plate
CN106703244B (en) * 2016-11-15 2018-11-20 东南大学 A kind of casing buckling induction support with the circumferential double-deck inner concave shape induction unit
CN108442560B (en) * 2018-05-31 2021-06-01 上海宝冶集团有限公司 U-shaped steel surface external enhanced type full-assembly damper
CN111104703B (en) * 2019-12-10 2023-02-10 华东建筑设计研究院有限公司 Tension control method in shear wall seismic design

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TW200514899A (en) 2005-05-01
CA2485151A1 (en) 2005-04-16
TWI233958B (en) 2005-06-11

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