CN107780554B - Buckling restrained brace component - Google Patents
Buckling restrained brace component Download PDFInfo
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- CN107780554B CN107780554B CN201610756415.0A CN201610756415A CN107780554B CN 107780554 B CN107780554 B CN 107780554B CN 201610756415 A CN201610756415 A CN 201610756415A CN 107780554 B CN107780554 B CN 107780554B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Joining Of Building Structures In Genera (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention provides a light buckling restrained brace member based on a local filling mode, which remarkably reduces the weight of the brace member under the condition of not increasing buckling restrained brace materials and processing cost; in addition, the size of each cavity of the external constraint part can be adjusted according to design requirements, and the design mode can be very flexible; moreover, standardized parts such as rectangular pipes can be adopted more conveniently, the part standardization degree of the buckling restrained brace component is improved, and the buckling restrained brace component is more convenient to process.
Description
Technical Field
The invention belongs to the field of building structural support, and particularly relates to a buckling restrained brace member for supporting in a building structural system.
Background
The buckling restrained brace is also called as an unbonded brace, is a novel anti-seismic energy dissipation component with excellent performance, consumes earthquake input energy by yielding and stagnating metal, thereby slowing down the damage of a main body structure, is a brace component capable of yielding under the conditions of tension and compression, overcomes the defect that the traditional brace is buckled when being compressed, can be used as a structural side force resisting component and an energy dissipation component or a bearing component for bearing static load, and has more applications in China in recent years.
Generally, the buckling restrained brace component comprises an elastic connection section, an energy dissipation section (yielding section), a restraint mechanism (steel pipe concrete restraint mechanism, pure steel restraint mechanism, reinforced concrete restraint mechanism and the like), an unbonded material and the like.
Most of the traditional buckling restrained brace adopts steel as a restraint mechanism, or adopts a fully-filled reinforced concrete sleeve and steel pipe concrete as a buckling restraint mechanism, so that the purpose of improving the buckling bearing capacity of the brace is achieved. However, the traditional buckling restrained brace has the disadvantage of heavy self-weight, because in order to restrain the buckling of the core plate, the filling material such as concrete is filled in the brace, and the longer the brace is, the larger the tonnage is, the more the problem is relatively outstanding.
The problem of buckling restrained brace being too heavy limits the application of this technique to buckling restrained braces. In recent years, some improved buckling-restrained braces have appeared, and attempts have been made to reduce the weight of the buckling-restrained braces, including pure steel type buckling-restrained braces, aluminum alloy buckling-restrained braces, FRP-wrapped buckling-restrained braces, and the like. However, these improvements either reduce the support weight while at the same time increasing the cost of the device considerably.
Disclosure of Invention
To solve the above-mentioned problems occurring in the prior art, an aspect of the present invention provides a buckling-restrained brace member, including: a core portion; an external restraining portion provided outside the core material portion for restraining the core material portion; two end plates fixedly arranged at two ends of the external constraint part respectively; and two support end nodes respectively arranged at two ends of the core material part; the inner end part of the support end node is positioned in the outer constraint part and is spliced with the end part of the core material part, and the outer end part of the support end node penetrates out of the end plate; the end plate and the support end node together enclose an end of the outer restraint portion; the external constraint part is provided with a middle cavity which is used for accommodating the core part and is arranged in a longitudinally extending way, and a first side cavity and a second side cavity which are respectively positioned at two sides of the middle cavity and are arranged in parallel with the middle cavity; filling a filler material in the middle cavity and around the core material part; the first side cavity and the second side cavity are provided with hollow cavities.
Preferably, the cross-section of the core portion is in the shape of a "straight line" or a "cross".
Preferably, the outer contour of the cross-section of the outer restraining part is square.
Preferably, the external restraint portion includes a first rectangular tube having the first side cavity, a second rectangular tube having the second side cavity, and two rectangular plates spliced between the first and second rectangular tubes to form the middle cavity.
Preferably, the first side cavity is divided into an upper first side cavity and a lower first side cavity, and the second side cavity is divided into an upper second side cavity and a lower second side cavity.
Preferably, the external restraint part comprises two first sub rectangular tubes which are arranged in an up-down superposition mode and are provided with the first side cavities, two second sub rectangular tubes which are arranged in an up-down superposition mode and are provided with the second side cavities, and two rectangular plates which are spliced between the first sub rectangular tubes and the second sub rectangular tubes to form the middle cavities.
Preferably, the filling material is a concrete filling material.
Preferably, the material of the core part is steel or aluminum.
Preferably, the support end node has a cruciform cross-section.
Another aspect of the present invention provides a building material using the buckling-restrained brace member as described above as a brace member inside thereof.
The invention provides a light buckling restrained brace member based on a local filling mode, which remarkably reduces the weight of the brace member under the condition of not increasing buckling restrained brace materials and processing cost; in addition, the size of each cavity of the external constraint part can be adjusted according to design requirements, and the design mode can be very flexible; moreover, standardized parts such as rectangular pipes can be adopted more conveniently, the part standardization degree of the buckling restrained brace component is improved, and the buckling restrained brace component is more convenient to process.
Drawings
Fig. 1 is a schematic front sectional view of a buckling-restrained support member according to embodiment 1 of the invention;
FIG. 2 is a schematic top cross-sectional view of a buckling-restrained support member according to embodiment 1 of the invention;
FIG. 3 is a schematic structural view in longitudinal section (direction A-A in FIG. 1) of a buckling-restrained support member according to embodiment 1 of the invention;
FIG. 4 is a schematic structural view in longitudinal section (in the direction B-B in FIG. 1) of a buckling-restrained support member according to embodiment 1 of the invention;
fig. 5 is a longitudinal-sectional structural view of a buckling-restrained support member according to embodiment 2 of the invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
Example 1
As shown in fig. 1 and 2, the buckling-restrained brace member of embodiment 1, comprising: core portion 10, outer restraining portion 20, two end plates 30 and two support end nodes 40.
Wherein the external constraining section 20 is provided outside the core material section 10 for constraining the core material section 10; two end plates 30 are fixedly provided at both ends of the outer constraint part 20, respectively.
Two support end nodes 40 respectively provided at both ends of the core material portion 10; as shown in fig. 1, the inner end of the supporting end node 40 is located in the outer constraint part 20 and is spliced with the end of the core part 10, and the outer end of the supporting end node 40 penetrates out of the end plate 30; the end plates 30 together with the support end nodes 40 close the ends of the outer restraining portion 20.
Referring to fig. 2 and 3, the external restraint portion 20 has a middle cavity 23 receiving the core portion 10 and extending in a longitudinal direction, and a first side cavity 21 and a second side cavity 22 located at both sides of the middle cavity 23, respectively, and arranged in parallel with the middle cavity 23; the intermediate cavity 23 is filled with a filler material around the core portion 10; the first side cavity 21 and the second side cavity 22 are hollow cavities.
In the present embodiment, the core portion 10 has a cross-section in a "straight line" shape as shown in fig. 3. In an alternative embodiment of the present application, the core portion 10 has a cross-section in the shape of a "cross".
The core material portion 10 is an internal energy dissipation core material, and the material thereof may be steel or aluminum.
In this embodiment, the filling material in the intermediate cavity 23 is a concrete filling material.
In the present embodiment, as shown in FIG. 3, the outer contour of the cross section of the outer constraining section 20 is square. Wherein "square" includes rectangular and square, preferably rectangular.
In the present embodiment, as shown in fig. 3, the external restraint portion 20 includes a first rectangular tube 21T having a first side cavity 21, a second rectangular tube 22T having a second side cavity 22, and two rectangular plates 2P spliced between the first rectangular tube 21T and the second rectangular tube 22T to form an intermediate cavity 23; that is, the outer restriction portion 20 is formed by two rectangular pipes and two rectangular plates to form a pipe member having three chambers.
In this embodiment, the supporting end nodes 40 have a cross-shaped cross-section, see fig. 4.
The buckling restrained brace component of the embodiment is a light buckling restrained brace component based on a local filling mode, and the weight of the brace component is remarkably reduced under the condition that buckling restrained brace materials and processing cost are not increased; in addition, the size of each cavity of the external constraint part can be adjusted according to design requirements, and the design mode can be very flexible; moreover, standardized parts such as rectangular pipes can be adopted more conveniently, the part standardization degree of the buckling restrained brace component is improved, and the buckling restrained brace component is more convenient to process.
The buckling-restrained brace member of the present embodiment can be applied to a building material as a brace member inside thereof.
Example 2
Example 2 differs from example 1 in that: the first side cavity and the second side cavity are constructed in different manners.
Referring to fig. 5, a longitudinal sectional structural view of the buckling-restrained brace member of embodiment 2 of the present invention shows that the first side cavity is partitioned into two first side cavities 21 'and the second side cavity is partitioned into two second side cavities 22'. Both the first side cavities 21 'and the second side cavities 22' are hollow cavities, i.e. both the first side cavities and the second side cavities are discontinuous cavities.
Specifically, in the present embodiment, the external restraint portion 20 ' includes two first sub-rectangular tubes (not labeled in the drawings) arranged one above the other and having the first side cavities 21 ', two second sub-rectangular tubes (not labeled in the drawings) arranged one above the other and having the second side cavities 22 ', and two rectangular plates 2P ' spliced between the first sub-rectangular tubes and the second sub-rectangular tubes to form the middle cavities 23 '. That is, the outer restriction portion 20' is formed by four rectangular pipes and two rectangular plates to form a pipe member having five chambers.
The filling material is filled in the intermediate cavity 23 'around the inner core portion 10'.
Other structures of embodiment 2 are the same as those of embodiment 1, and detailed description thereof is omitted.
In an alternative embodiment of the invention, the first side chamber and the second side chamber may also be divided into further sub-chambers; other variations and modifications can be made by those skilled in the art based on embodiments 1 and 2.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (5)
1. A buckling-restrained support member comprising:
a core portion;
an external restraining portion provided outside the core material portion for restraining the core material portion;
two end plates fixedly arranged at two ends of the external constraint part respectively; and the number of the first and second groups,
two support end nodes respectively arranged at two ends of the core material part;
the inner end part of the support end node is positioned in the outer constraint part and is spliced with the end part of the core material part, and the outer end part of the support end node penetrates out of the end plate;
the end plate and the support end node together enclose an end of the outer restraint portion;
the core material is characterized in that the cross section of the core material part is in a straight line shape or a cross shape;
the external constraint part is provided with a middle cavity which is used for accommodating the core part and is arranged in a longitudinally extending way, and a first side cavity and a second side cavity which are respectively positioned at two sides of the middle cavity and are arranged in parallel with the middle cavity;
filling a filler material in the middle cavity and around the core material part;
the supporting end node is filled with a filling material from the splicing part of the supporting end node and the end part of the core material part to the periphery of the end plate;
the first side cavity and the second side cavity are provided with hollow cavities;
the external restraint portion includes a first rectangular tube having the first side cavity, a second rectangular tube having the second side cavity, and two rectangular plates spliced between the first and second rectangular tubes to form the middle cavity.
2. The buckling-restrained support member of claim 1, wherein:
the outer contour of the cross-section of the outer restraining portion is square.
3. The buckling-restrained support member of claim 2, wherein:
the first side cavity is divided into an upper first side cavity and a lower first side cavity, and the second side cavity is divided into an upper second side cavity and a lower second side cavity.
4. The buckling-restrained brace member of claim 3, wherein:
the external constraint part comprises two first sub rectangular tubes which are arranged in an up-down overlapping mode and are provided with the first side cavities, two second sub rectangular tubes which are arranged in an up-down overlapping mode and are provided with the second side cavities, and two rectangular plates which are spliced between the first sub rectangular tubes and the second sub rectangular tubes to form the middle cavities.
5. The buckling-restrained support member of any one of claims 1-4, wherein:
the filling material is a concrete filling material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756415.0A CN107780554B (en) | 2016-08-29 | 2016-08-29 | Buckling restrained brace component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756415.0A CN107780554B (en) | 2016-08-29 | 2016-08-29 | Buckling restrained brace component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107780554A CN107780554A (en) | 2018-03-09 |
| CN107780554B true CN107780554B (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610756415.0A Active CN107780554B (en) | 2016-08-29 | 2016-08-29 | Buckling restrained brace component |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021250523A1 (en) * | 2020-06-11 | 2021-12-16 | F'c Control Y Diseño De Estructuras Sas | Restrained buckling brace with reinforcement and method for manufacturing same |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10302687A1 (en) * | 2003-01-24 | 2004-07-29 | Spannverbund Gesellschaft für Verbundträger mbH | Device for damping the oscillations of hollow narrow buildings or building parts, preferably columns, comprises a heavy pendulum |
| CN101230598A (en) * | 2008-02-28 | 2008-07-30 | 同济大学 | Buckling constrained tilt damping column |
| CN101440639A (en) * | 2008-12-10 | 2009-05-27 | 上海维固工程实业有限公司 | Flexion energy dissipation preventing support |
| CN201351317Y (en) * | 2008-12-12 | 2009-11-25 | 上海维固工程实业有限公司 | Combined sleeve pipe type curvature prevention dissipative supporter |
| CN101922199A (en) * | 2009-06-11 | 2010-12-22 | 吉岷 | Novel anti-slippage airbrick |
| CN101974948A (en) * | 2010-10-15 | 2011-02-16 | 清华大学 | Double-rectangular tube buckled assembled buckling-restrained bracing member |
| CN101974947A (en) * | 2010-10-15 | 2011-02-16 | 清华大学 | H-shaped section fabricated buckling-restrained brace component |
| CN201762840U (en) * | 2010-08-16 | 2011-03-16 | 于恒消能工程有限公司 | Support device and core component thereof |
| CN202689227U (en) * | 2011-12-31 | 2013-01-23 | 上海蓝科钢结构技术开发有限责任公司 | TJII buckling restrained brace member |
| CN102953451A (en) * | 2012-09-06 | 2013-03-06 | 上海蓝科钢结构技术开发有限责任公司 | TJH clean-steel buckling restrained bracing member |
| CN102953450A (en) * | 2012-01-20 | 2013-03-06 | 上海蓝科钢结构技术开发有限责任公司 | TJC buckling restrained bracing member |
| CN102966194A (en) * | 2012-01-20 | 2013-03-13 | 上海蓝科钢结构技术开发有限责任公司 | TJS (tactical jamming system) clean steel bending constraint and support component |
| CN103382745A (en) * | 2013-08-05 | 2013-11-06 | 东南大学 | Casing pipe concrete buckling restrained brace with embedded light material bodies |
| CN104005491A (en) * | 2014-04-30 | 2014-08-27 | 浙江交通职业技术学院 | Combined type buckling prevention energy consumption support |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130232893A1 (en) * | 2012-03-08 | 2013-09-12 | Mitek Holdings, Inc. | Backup wall reinforcement with t-type siderail |
-
2016
- 2016-08-29 CN CN201610756415.0A patent/CN107780554B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10302687A1 (en) * | 2003-01-24 | 2004-07-29 | Spannverbund Gesellschaft für Verbundträger mbH | Device for damping the oscillations of hollow narrow buildings or building parts, preferably columns, comprises a heavy pendulum |
| CN101230598A (en) * | 2008-02-28 | 2008-07-30 | 同济大学 | Buckling constrained tilt damping column |
| CN101440639A (en) * | 2008-12-10 | 2009-05-27 | 上海维固工程实业有限公司 | Flexion energy dissipation preventing support |
| CN201351317Y (en) * | 2008-12-12 | 2009-11-25 | 上海维固工程实业有限公司 | Combined sleeve pipe type curvature prevention dissipative supporter |
| CN101922199A (en) * | 2009-06-11 | 2010-12-22 | 吉岷 | Novel anti-slippage airbrick |
| CN201762840U (en) * | 2010-08-16 | 2011-03-16 | 于恒消能工程有限公司 | Support device and core component thereof |
| CN101974947A (en) * | 2010-10-15 | 2011-02-16 | 清华大学 | H-shaped section fabricated buckling-restrained brace component |
| CN101974948A (en) * | 2010-10-15 | 2011-02-16 | 清华大学 | Double-rectangular tube buckled assembled buckling-restrained bracing member |
| CN202689227U (en) * | 2011-12-31 | 2013-01-23 | 上海蓝科钢结构技术开发有限责任公司 | TJII buckling restrained brace member |
| CN102953450A (en) * | 2012-01-20 | 2013-03-06 | 上海蓝科钢结构技术开发有限责任公司 | TJC buckling restrained bracing member |
| CN102966194A (en) * | 2012-01-20 | 2013-03-13 | 上海蓝科钢结构技术开发有限责任公司 | TJS (tactical jamming system) clean steel bending constraint and support component |
| CN102953450B (en) * | 2012-01-20 | 2015-06-03 | 上海蓝科建筑减震科技股份有限公司 | TJC buckling restrained bracing member |
| CN102953451A (en) * | 2012-09-06 | 2013-03-06 | 上海蓝科钢结构技术开发有限责任公司 | TJH clean-steel buckling restrained bracing member |
| CN103382745A (en) * | 2013-08-05 | 2013-11-06 | 东南大学 | Casing pipe concrete buckling restrained brace with embedded light material bodies |
| CN104005491A (en) * | 2014-04-30 | 2014-08-27 | 浙江交通职业技术学院 | Combined type buckling prevention energy consumption support |
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| CN107780554A (en) | 2018-03-09 |
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