CN201809994U - Super-elastic buckling-restrained energy-dissipation brace - Google Patents

Super-elastic buckling-restrained energy-dissipation brace Download PDF

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Publication number
CN201809994U
CN201809994U CN2010201489544U CN201020148954U CN201809994U CN 201809994 U CN201809994 U CN 201809994U CN 2010201489544 U CN2010201489544 U CN 2010201489544U CN 201020148954 U CN201020148954 U CN 201020148954U CN 201809994 U CN201809994 U CN 201809994U
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super
buckling
primary structure
steel
core primary
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陈云
陈生明
陈渊
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Abstract

The utility model relates to a super-elastic buckling-restrained energy-dissipation brace which belongs to the field of vibration control of building structures, and is mainly characterized in that a core load bearing member comprises two parts along the longitudinal direction of a rod part, one part is a super-elastic shape memory alloy part, the other part is the part made of steel or other alloys, and the two parts of the member are connected together through the welding way or the mechanical connection way. When in an earthquake, the super-elastic buckling-restrained energy-dissipation brace can not only provide sufficient lateral rigidity for the structure, but also dissipate a large amount of earthquake energy through the deformation of the super-elastic shape memory alloy part, more important, the super-elastic buckling-restrained energy-dissipation brace does not need to be replaced after the earthquake and be used continuously. The super-elastic buckling-restrained energy-dissipation brace is clear in concept, good in effects, convenient for construction, and conductive to realizing large-scale popularization and application in vast earthquake fortified regions.

Description

The super-elasticity anti-buckling energy-consumption supports
Technical field
The utility model relates to building construction vibration control field, and particularly a kind of super-elasticity anti-buckling energy-consumption supports.
Background technology
It is good as a kind of performance that anti-flexing supports, and the support force that provides is big, and earthquake acts on the stable member of lower stress repeatedly, is applied in increasing engineering just gradually.The U.S. and Japan have altogether and have adopted anti-flexing to support in hundreds of the buildings, and our country also has the part building to bring into use gradually, along with people to the going deep into of its performance study, its application prospect is boundless.
The anti-flexing of having developed at present is supported with polytype, but the difference of these supports mainly is two aspects, most importantly the type of buckling-restrained member is different with structure, but principle is all the same, adopt concrete filled steel tube as buckling-restrained member such as being typically, what also have adopts steel concrete as buckling-restrained member in order to save cost, but poor performance some, also have for easy direct employing steel pipe as buckling-restrained member; Be the different non-cohesive material of research on the other hand, attempt to find better non-cohesive material, make buckling-restrained member only provide lateral restraint as far as possible, do not participate in or few directly opposing axial load that participates in the core primary structure member.But these existing researchs lack enough concerns to the core primary structure member that anti-flexing supports, what adopt at present all is common steel member, also there is part to adopt low-yield steel member, but the subject matter that these core primary structure members exist is, because the core primary structure member that anti-flexing supports under middle shake or big shake is surrendered, therefore must change after the shake, increase the maintenance and reinforcement cost of structure.
Marmem is a kind of intellectual material with shape memory effect, super-elasticity and high damping characteristic, its maximum elastic strain can reach 10%~12%, that is to say that it has not only realized the highly energy-consuming effect under the situation of big strain, and do not produce permanent set substantially.Utilize the energy consumer of super elastic shape memory alloy effect design to compare, have durability, corrosion resistance and good, life cycle length, allow series of advantages such as large deformation and distortion can recover with other metal energy consumer.But the research overwhelming majority who utilizes marmem to consume energy in the civil engineering utilizes shape-memory alloy wire to consume energy at present, earlier shape-memory alloy wire is carried out pre-stretch-draw during application, avoids it that pressurized flexing takes place.But the serious like this application that limits marmem, at first the diameter of shape-memory alloy wire is very little, and the restoring force that provides is very little, and energy dissipation capacity is limited; When using, next carries out pre-stretch-draw, and both loaded down with trivial details and utilized a part of strain of marmem, be unfavorable under big shake, using, otherwise be easy to generate the consequence that quilt is broken big shake play.
Therefore, develop a kind of good characteristic that not only has general anti-flexing support, and energy dissipation capacity is strong, the anti-buckling energy-consumption that need not to change after earthquake supports and just seems both urgent and meaningful especially.
Summary of the invention
Exist the core primary structure member to need the weak point of changing after shake in order to overcome present anti-buckling energy-consumption support, the utility model provides a kind of need not after shake to change, and the super-elasticity anti-buckling energy-consumption that consumes energy effective supports.
The technical scheme that the utility model adopted is that a kind of super-elasticity anti-buckling energy-consumption supports, comprise the core primary structure member, buckling-restrained member, non-cohesive material between core primary structure member and buckling-restrained member, and the end connecting elements that is connected with core primary structure member two ends, it is characterized in that being that the core primary structure member vertically is made of two parts along rod member, a part is the super-elastic shape memory alloy part, another part is steel or other alloy parts, connect together by welding or mechanical connection manner between two parts member, this two-part cross sectional shape is similar, the corresponding size in cross section can be the same or different, and the end connecting elements is by steel, shape memory alloy material or other alloy material are made.
Described core primary structure member can all be made by super-elastic shape memory alloy bar or sheet material.
Described core primary structure member will guarantee that the marmem part is than steel or the surrender in advance of other alloys part when earthquake.
Described core primary structure member and end connecting elements can adopt shape memory alloy material to make simultaneously all.
Yi word pattern or cross or I shape or round or circular ring type or ellipse can be adopted in the cross section of described core primary structure member or lattice is combined or along bar longitudinal variable cross-section type or along the vertical open cell type of bar or along bar lateral opening type.
Described buckling-restrained member can be concrete filled steel tubular member, one heavy or multiple steel tube confinement member, reinforced concrete member, the confining part that polylith steel plate or reinforced concrete prefabricated board are joined together to form by high-strength bolt, the confining part that the cast mortar forms in the steel pipe is filled the confining part that other high strength non-cohesive materials form in the steel pipe.
Described non-cohesive material can be that epoxy resin or asphalt varniss or ethene basic unit add foam or rubber layer or silicone rubber layers or silicones and add epoxy resin or polyethylene sheeting or butyl rubber.
The utlity model has following remarkable advantage:
(1) shake back free of replacement.Compare present existing anti-buckling energy-consumption and support, the utility model biggest advantage is exactly super-elasticity anti-buckling energy-consumption support can also continuation use after the earthquake, need not to change, and has saved the cost of maintenance and reinforcement.
(2) power consumption is effective.Since the high damping characteristic that marmem has, the core primary structure member that utilizes marmem to support as power consumption, and a large amount of seismic energies can dissipate under geological process.
(3) good endurance.Because marmem is compared general steel and had good endurance, therefore the characteristics of good corrosion resistance, adopt marmem as the core primary structure member, and the performance that the super-elasticity anti-buckling energy-consumption supports can remain unchanged for a long time substantially, and performance degradation is little.
The utility model can be used in the various building structure, such as frame construction, the frame-shear wall structure, in the large-span structure, when enough lateral support power was provided to structure, a large amount of seismic energies not only can dissipate, and after shake free of replacement, saved the maintenance and reinforcement cost of building, significant, will be widely used in all kinds of building construction vibration controls field.
Description of drawings
Fig. 1 is the front view of the utility model embodiment 1.
Fig. 2 is the A-A sectional view of the utility model embodiment 1.
Fig. 3 is the B-B sectional view of the utility model embodiment 1.
Fig. 4 is the front view of the utility model embodiment 2.
Fig. 5 is the C-C sectional view of the utility model embodiment 2.
Fig. 6 is the D-D sectional view of the utility model embodiment 2.
Fig. 7 is the front view of the utility model embodiment 3.
Fig. 8 is the E-E sectional view of the utility model embodiment 3.
Digital implication is as follows in the accompanying drawing:
1-marmem part; 2-steel or other alloy parts; The buckling-restrained member of 3-; 4-end connecting elements; The 5-non-cohesive material.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Shown in accompanying drawing 1~8, the utility model is that a kind of super-elasticity anti-buckling energy-consumption supports, comprise the core primary structure member, buckling-restrained member 3, non-cohesive material 5 between core primary structure member and buckling-restrained member, and the end connecting elements 4 that is connected with core primary structure member two ends, the core primary structure member vertically is made of two parts along rod member, a part is a super-elastic shape memory alloy part 1, another part is steel or other alloy parts 2, connect together by welding or mechanical connection manner between two parts member, this two-part cross sectional shape is similar, the corresponding size in cross section can be the same or different, and end connecting elements 4 is by steel, shape memory alloy material or other alloy material are made.
Described core primary structure member can all be made by super-elastic shape memory alloy bar or sheet material.
Described core primary structure member will guarantee that marmem part 1 is surrendered in advance than steel or other alloy parts 2 when earthquake.
Described core primary structure member and end connecting elements 4 can adopt shape memory alloy material to make simultaneously all.
Yi word pattern or cross or I shape or round or circular ring type or ellipse can be adopted in the cross section of described core primary structure member or lattice is combined or along bar longitudinal variable cross-section type or along the vertical open cell type of bar or along bar lateral opening type.
Described buckling-restrained member 3 can be concrete filled steel tubular member, one heavy or multiple steel tube confinement member, reinforced concrete member, the confining part that polylith steel plate or reinforced concrete prefabricated board are joined together to form by high-strength bolt, the confining part that the cast mortar forms in the steel pipe is filled the confining part that other high strength non-cohesive materials form in the steel pipe.
Described non-cohesive material 5 can be that epoxy resin or asphalt varniss or ethene basic unit add foam or rubber layer or silicone rubber layers or silicones and add epoxy resin or polyethylene sheeting or butyl rubber.
For the specific embodiment of the present utility model better is described, lift several specific embodiment below:
Embodiment 1, shown in accompanying drawing 1~3, the core primary structure member that the super-elasticity anti-buckling energy-consumption supports is a cross section, the core primary structure member vertically is made of two parts along rod member, be respectively marmem part 1 and steel or other alloy parts 2, marmem part 1 is positioned at the middle part of core primary structure member, and steel or other alloy parts 2 are positioned at the two ends of core primary structure member, and its end and end connecting elements 4 link together; The material yield intensity of marmem part 1 and cross section corresponding size are all less than the material yield intensity and the sectional dimension of steel or other alloy parts 2, non-cohesive material 5 can adopt silicones to add epoxy resin, buckling-restrained member 3 is a concrete filled steel tubular member, and end connecting elements 4 is made by steel.
Embodiment 2, shown in accompanying drawing 4~6, the core primary structure member that the super-elasticity anti-buckling energy-consumption supports is solid round cross section, the core primary structure member vertically is made of two parts along rod member, be respectively marmem part 1 and steel or other alloy parts 2, marmem part 1 is positioned at the middle part of core primary structure member, and steel or other alloy parts 2 are positioned at the two ends of core primary structure member, and its end and end connecting elements 4 link together; The material yield intensity of marmem part 1 and cross section corresponding size are all less than the material yield intensity and the sectional dimension of steel or other alloy parts 2, non-cohesive material 5 can adopt silicone rubber layers, buckling-restrained member 3 is the confining part that the cast mortar forms in the steel pipe, and end connecting elements 4 is made by steel.
Embodiment 3, shown in accompanying drawing 7~8, the core primary structure member that the super-elasticity anti-buckling energy-consumption supports is the yi word pattern cross section, the core primary structure member vertically is made of two parts along rod member, this two parts sectional dimension is identical and be shape memory alloy material and make, this two-part material property is identical, therefore, can regard marmem part 1 as and be whole core primary structure member, its end and end connecting elements 4 link together, and end connecting elements 4 adopts shape memory alloy material to make; Non-cohesive material 5 can adopt polyethylene sheeting, and buckling-restrained member 3 is a concrete filled steel tubular member.
Certainly the utility model is not limited to above three kinds of embodiments, can be used in combination according to actual conditions, thereby reach not only economy but also practical purpose.
The utility model can be widely used in various frameworks, in framework-shear wall and the large-span structure, when geological process, the super-elasticity anti-buckling energy-consumption supports can either provide enough lateral support power to structure, but also a large amount of seismic energies that can dissipate by the distortion of core primary structure member, main is, need not after the earthquake super-elasticity anti-buckling energy-consumption supported and change, can continue to use, saved a large amount of maintenance and reinforcement costs, the utility model clear concept, respond well, simple structure, easy construction helps realizing applying on a large scale in vast earthquake protection zone.

Claims (7)

1. a super-elasticity anti-buckling energy-consumption supports, comprise the core primary structure member, buckling-restrained member, non-cohesive material between core primary structure member and buckling-restrained member, and the end connecting elements that is connected with core primary structure member two ends, it is characterized in that: described core primary structure member vertically is made of two parts along rod member, a part is the super-elastic shape memory alloy part, another part is steel or other alloy parts, connect together by welding or mechanical connection manner between two parts member, this two-part cross sectional shape is similar, the corresponding size in cross section can be the same or different, and the end connecting elements is by steel, shape memory alloy material or other alloy material are made.
2. super-elasticity anti-buckling energy-consumption according to claim 1 supports, and it is characterized in that: described core primary structure member can all be made by super-elastic shape memory alloy bar or sheet material.
3. super-elasticity anti-buckling energy-consumption according to claim 1 supports, and it is characterized in that: described core primary structure member will guarantee that the marmem part is than steel or the surrender in advance of other alloys part when earthquake.
4. super-elasticity anti-buckling energy-consumption according to claim 1 supports, and it is characterized in that: described core primary structure member and end connecting elements can adopt shape memory alloy material to make simultaneously all.
5. super-elasticity anti-buckling energy-consumption according to claim 1 supports, and it is characterized in that: yi word pattern or cross or I shape or round or circular ring type or ellipse can be adopted in the cross section of described core primary structure member or lattice is combined or along bar longitudinal variable cross-section type or along the vertical open cell type of bar or along bar lateral opening type.
6. super-elasticity anti-buckling energy-consumption according to claim 1 supports, it is characterized in that: described buckling-restrained member can be concrete filled steel tubular member, one heavy or multiple steel tube confinement member, reinforced concrete member, the confining part that polylith steel plate or reinforced concrete prefabricated board are joined together to form by high-strength bolt, the confining part that the cast mortar forms in the steel pipe is filled the confining part that other high strength non-cohesive materials form in the steel pipe.
7. super-elasticity anti-buckling energy-consumption according to claim 1 supports, and it is characterized in that: described non-cohesive material can be that epoxy resin or asphalt varniss or ethene basic unit add foam or rubber layer or silicone rubber layers or silicones and add epoxy resin or polyethylene sheeting or butyl rubber.
CN2010201489544U 2010-04-02 2010-04-02 Super-elastic buckling-restrained energy-dissipation brace Expired - Fee Related CN201809994U (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102605874A (en) * 2012-04-06 2012-07-25 北京工业大学 Steel and recycled concrete combined energy dissipation brace and manufacturing method thereof
CN102953449A (en) * 2012-01-20 2013-03-06 上海蓝科钢结构技术开发有限责任公司 TJD mild steel damper
CN103410240A (en) * 2013-03-29 2013-11-27 清华大学 Anti-buckling supporting member with lattice type double-rectangular-pipe cross section
CN103410239A (en) * 2013-03-29 2013-11-27 清华大学 Latticed anti-buckling supporting member provided with double T-shaped cores
CN103711221A (en) * 2013-12-30 2014-04-09 北京工业大学 Box iron grooving type H-shaped variable-cross-section steel core buckling-prevention limiting and energy-consumption supporting component
CN103711223A (en) * 2013-12-30 2014-04-09 北京工业大学 Box iron grooving type cross-shaped variable-cross-section steel core buckling-prevention limiting and energy-consumption supporting component
CN103967153A (en) * 2014-04-12 2014-08-06 北京工业大学 I-shaped double-board self-restoration anti-buckling support of steel structure
CN104005486A (en) * 2014-04-12 2014-08-27 北京工业大学 I-shaped double-plate assembly steel-structure reset-prestress anti-buckling support
CN104213651A (en) * 2014-08-13 2014-12-17 同济大学 Shear wall corner replaceable energy dissipation component and energy dissipation structure
CN104631639A (en) * 2014-12-17 2015-05-20 清华大学 Shuttle-shaped constraining type buckling-restrained brace
CN105350676A (en) * 2015-10-09 2016-02-24 上海史狄尔建筑减震科技有限公司 Method for manufacturing buckling restrained braces
CN105507133A (en) * 2015-12-02 2016-04-20 同济大学 Buckling restrained brace of steel pipe filling concrete type flat plate core material with holes
CN105780960A (en) * 2016-04-27 2016-07-20 福建工程学院 Fully-prefabricated assembled concrete column-concrete beam buckling-restrained energy-consuming joint
CN106592822A (en) * 2016-11-10 2017-04-26 同济大学 Self-resetting steel plate shear wall based on hyperelastic shape memory alloy screw
CN106760015A (en) * 2016-12-22 2017-05-31 清华大学 Power consumption rod iron and the concrete energy-dissipation structure with it
CN108277890A (en) * 2018-04-18 2018-07-13 山东大学 Self-resetting bean column node and steel building based on SMA bars
CN109281419A (en) * 2018-11-23 2019-01-29 智聚装配式绿色建筑创新中心南通有限公司 A kind of hot rolled H-shaped buckling restrained brace
CN110714545A (en) * 2019-09-09 2020-01-21 重庆大学 Self-resetting energy dissipation steel column base node
CN113322782A (en) * 2021-05-31 2021-08-31 哈尔滨工业大学 Welding-free shape memory alloy double-tube shearing energy dissipation device filled with rubber

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102953449A (en) * 2012-01-20 2013-03-06 上海蓝科钢结构技术开发有限责任公司 TJD mild steel damper
CN102605874A (en) * 2012-04-06 2012-07-25 北京工业大学 Steel and recycled concrete combined energy dissipation brace and manufacturing method thereof
CN103410240A (en) * 2013-03-29 2013-11-27 清华大学 Anti-buckling supporting member with lattice type double-rectangular-pipe cross section
CN103410239A (en) * 2013-03-29 2013-11-27 清华大学 Latticed anti-buckling supporting member provided with double T-shaped cores
CN103410239B (en) * 2013-03-29 2016-06-15 清华大学 A kind of double T font kernel lattice curvature-prevention support component
CN103410240B (en) * 2013-03-29 2016-06-15 清华大学 The curvature-prevention support component of the two square tube section of a kind of lattice
CN103711221B (en) * 2013-12-30 2016-01-13 北京工业大学 The anti-buckling spacing energy-consumption supporting member of a kind of I-shaped variable-cross-sectisteel steel core of channel-section steel open flume type
CN103711221A (en) * 2013-12-30 2014-04-09 北京工业大学 Box iron grooving type H-shaped variable-cross-section steel core buckling-prevention limiting and energy-consumption supporting component
CN103711223A (en) * 2013-12-30 2014-04-09 北京工业大学 Box iron grooving type cross-shaped variable-cross-section steel core buckling-prevention limiting and energy-consumption supporting component
CN103711223B (en) * 2013-12-30 2016-01-20 北京工业大学 The anti-buckling spacing energy-consumption supporting member of a kind of channel-section steel open flume type cross variable-cross-sectisteel steel core
CN103967153A (en) * 2014-04-12 2014-08-06 北京工业大学 I-shaped double-board self-restoration anti-buckling support of steel structure
CN104005486A (en) * 2014-04-12 2014-08-27 北京工业大学 I-shaped double-plate assembly steel-structure reset-prestress anti-buckling support
CN104213651A (en) * 2014-08-13 2014-12-17 同济大学 Shear wall corner replaceable energy dissipation component and energy dissipation structure
CN104213651B (en) * 2014-08-13 2016-08-24 同济大学 A kind of replaceable energy dissipation component of shear wall foundation and energy-dissipating structure
CN104631639A (en) * 2014-12-17 2015-05-20 清华大学 Shuttle-shaped constraining type buckling-restrained brace
CN105350676A (en) * 2015-10-09 2016-02-24 上海史狄尔建筑减震科技有限公司 Method for manufacturing buckling restrained braces
CN105507133A (en) * 2015-12-02 2016-04-20 同济大学 Buckling restrained brace of steel pipe filling concrete type flat plate core material with holes
CN105780960A (en) * 2016-04-27 2016-07-20 福建工程学院 Fully-prefabricated assembled concrete column-concrete beam buckling-restrained energy-consuming joint
CN106592822A (en) * 2016-11-10 2017-04-26 同济大学 Self-resetting steel plate shear wall based on hyperelastic shape memory alloy screw
CN106760015A (en) * 2016-12-22 2017-05-31 清华大学 Power consumption rod iron and the concrete energy-dissipation structure with it
CN106760015B (en) * 2016-12-22 2020-05-05 清华大学 Energy consumption rod iron and concrete energy consumption structure with same
CN108277890A (en) * 2018-04-18 2018-07-13 山东大学 Self-resetting bean column node and steel building based on SMA bars
CN108277890B (en) * 2018-04-18 2024-10-08 山东大学 Self-resetting beam column node based on SMA bar and steel structure building
CN109281419A (en) * 2018-11-23 2019-01-29 智聚装配式绿色建筑创新中心南通有限公司 A kind of hot rolled H-shaped buckling restrained brace
CN110714545A (en) * 2019-09-09 2020-01-21 重庆大学 Self-resetting energy dissipation steel column base node
CN113322782A (en) * 2021-05-31 2021-08-31 哈尔滨工业大学 Welding-free shape memory alloy double-tube shearing energy dissipation device filled with rubber

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