CN212956973U - Full-assembly type buckling-restrained brace - Google Patents
Full-assembly type buckling-restrained brace Download PDFInfo
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- CN212956973U CN212956973U CN202020608298.5U CN202020608298U CN212956973U CN 212956973 U CN212956973 U CN 212956973U CN 202020608298 U CN202020608298 U CN 202020608298U CN 212956973 U CN212956973 U CN 212956973U
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- buckling
- buckling restrained
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- energy dissipation
- node
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- 239000011162 core material Substances 0.000 claims description 43
- 229910000831 Steel Inorganic materials 0.000 claims description 38
- 239000010959 steel Substances 0.000 claims description 38
- 239000011440 grout Substances 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000005265 energy consumption Methods 0.000 description 19
- 239000002184 metal Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
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- 230000005484 gravity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
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- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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- 241000309551 Arthraxon hispidus Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a full assembled buckling restrained brace, connect vice, buckling restrained node section and connect vice and a plurality of power consumption core including a plurality of power consumption sections of buckling restrained, power consumption section muffjoint vice, power consumption section core. The buckling restrained brace can be produced in an assembly mode, components of the brace are prefabricated, the brace can be machined in advance, and the time from ordering to finishing production of the conventional buckling restrained brace is greatly shortened; the yield force and the length of the buckling-restrained brace can be combined and assembled, so that the universality of the buckling-restrained brace component is greatly enhanced; by means of a prestress mode, the rigidity of the outer restraining barrel is greatly improved, the material utilization rate is improved, and materials are saved; through combination and assembly, different yield orders of different sections of supports can be set, and therefore buckling restrained brace with double yield points and multiple yield points is achieved; the anti-buckling support is excellent in fatigue performance and full in hysteresis curve.
Description
Technical Field
The utility model relates to a attenuator technical field, concretely relates to axial damper, more specifically relates to full assembled buckling restrained brace.
Background
Under the action of an earthquake, the structure can be subjected to horizontal impact load. The earthquake action time is usually short and is about 20-200 s; the horizontal force of the earthquake action is large and can reach 0.1-1.5 times of the gravity acceleration. Under the action of the short-time sudden reciprocating load, the structure can generate large reciprocating deformation. In conventional structures, seismic forces and energy acting on the host structure typically need to be borne by the horizontal and vertical members of the structure. Many of these components are structural anti-gravity components while resisting lateral forces. The earthquake causes damage to the components, which can greatly weaken the gravity resistance of the structure and even cause the structure to collapse under the gravity.
The energy dissipation and shock absorption technology mainly cleans the relationship between the anti-gravity element and the anti-lateral force element of the structure. Through reasonable arrangement of the antigravity system and the antilateral force system, under the condition that the antigravity system is stably supported, part of components in the antilateral force system are arranged to be energy-consuming components. When an earthquake comes, the energy-consuming components are subjected to yielding energy consumption firstly, and the stability and safety of the other components are protected. The part of the energy consumption component has the characteristics of low yield point, good ductility and high guarantee rate. This part of the energy consuming component is often referred to as a damper, or shock-resistant damper.
According to the different energy consumption principles of the damper, the material can be divided into a metal damper, a friction damper, a viscous damper, a viscoelastic damper, an eddy current damper and the like. The buckling restrained brace is a metal damper in which the amount used is the largest.
The buckling restrained brace is usually used between structural layers, but due to the requirements of engineering projects, the yielding tonnage and the length of the brace are different. The traditional buckling restrained brace needs to be deeply designed and produced by determining the length of the brace according to the requirements of engineering projects. The following difficulties exist in engineering practice:
1. due to the fact that the supporting length and the yield tonnage are different, the materials of all the steel plates and the related connecting pieces are specially customized. The buckling restrained brace between different projects can not realize generally, can not realize large-scale prefabrication production. The production time of the support is long, and the production efficiency is low.
2. The traditional buckling restrained brace needs to be welded, provided with unbonded materials, poured by grouting materials, derusted and anticorrosive and other processes, the construction sequence is complex, and the labor cost is high. The time for the grouting material to reach the strength also restricts the production time.
3. The traditional buckling restrained brace mainly relies on steel or concrete materials in the outer sleeve to provide the buckling-resistant bearing capacity, so that buckling of the brace is avoided. Under the large-tonnage and ultra-long support bar components, the rigidity of the outer sleeve is insufficient, and the unstable use efficiency of the support core material is limited to be too low by independently depending on the bending elastic rigidity of the outer sleeve material. This often results in an outer sleeve that is heavy and large in size.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a full assembled buckling restrained brace to solve among the prior art because buckling restrained brace can not realize general, can't realize the problem of prefabricated production on a large scale.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a full assembled buckling restrained brace, full assembled buckling restrained brace includes that a plurality of buckling restrained energy dissipation sections, energy dissipation section muffjoint are vice, energy dissipation section core are connected vice, buckling restrained node section are connected vice and a plurality of energy dissipation core, buckling restrained energy dissipation section cover is located the periphery of energy dissipation core, adjacent buckling restrained energy dissipation section link to each other through energy dissipation section muffjoint is vice, and adjacent energy dissipation core is connected vice continuous through energy dissipation section core, buckling restrained node section is connected vice the tip of connecting in buckling restrained energy dissipation section through buckling restrained node section.
Furthermore, the buckling-restrained energy dissipation section comprises an outer restraining barrel, an outer restraining ring plate, prestressed steel strands, a prestressed steel strand anchor head and a first sleeve connecting limb, the outer restraining barrel comprises an inner barrel body and an outer barrel body which are coaxially sleeved, the inner barrel body is sleeved on the periphery of the energy dissipation core material, the outer restraining ring plate is sleeved on the periphery of the inner barrel body in a plurality of and coaxial modes, the outer restraining ring plate is arranged at intervals, the prestressed steel strands are arranged in a plurality of and are distributed at equal intervals along the axial direction of the outer restraining barrel and penetrate through the outer restraining ring plates in a V shape, the prestressed steel strands are distributed at equal intervals along the axial direction of the outer restraining barrel, the prestressed steel strands are connected with the outer restraining ring plate at the end part of the buckling-restrained energy dissipation section through the prestressed steel strand anchor head, and the first sleeve connecting limb is connected with the outer portion of the outer restraining ring plate at the end part of the buckling-restrained energy.
Furthermore, the energy consumption section sleeve connecting pair is connected with the first sleeve connecting limb through an anchoring part.
Furthermore, the buckling-restrained joint section comprises a non-energy-consumption connecting node, a node head plate, a core material connector and a second sleeve connecting limb, wherein the core material connector, the node head plate and the non-energy-consumption connecting node are sequentially connected, the core material connector is used for fixing the end part of an energy-consumption core material, and the second sleeve connecting limb is connected to the end part of the buckling-restrained energy-consumption section through a buckling-restrained joint section connecting pair on one side of the core material connector of the node head plate.
Furthermore, the buckling-restrained energy dissipation section is a grouting material filling sleeve or a steel structure sleeve.
The utility model has the advantages of as follows:
1. the utility model discloses a full assembled buckling restrained brace can realize assembled production, and the accessory that constitutes of support is prefabricated production, can process in advance, has shortened conventional buckling restrained brace by a wide margin and has ordered to the time of production completion from.
2. The utility model discloses a yield force and the length of full assembled buckling restrained brace can realize that the combination is assembled, have strengthened the commonality of buckling restrained brace accessory by a wide margin. The connecting end of the buckling-restrained brace is in standard fixed connection, and meanwhile, the complexity of the supporting node can be reduced.
3. The utility model discloses a used sleeve of full assembled buckling restrained brace power consumption section can select to adopt the segmentation to apply the prestressing force mode, has improved the rigidity of an outer restraint section of thick bamboo by a wide margin, has improved material utilization ratio, and material saving is under construction simultaneously comparatively simply convenient more. Meanwhile, the traditional steel structure or concrete sleeve grouting mode can be adopted, and the prefabrication and assembly can be realized.
4. The utility model discloses a full assembled buckling restrained brace is through the reasonable equipment that sets up the power consumption section, can realize through stop device that different power consumption sections are surrendered under different internal force conditions, can realize that different sections support and set up different yield orders to realize the buckling restrained brace of two yield points and many yield points.
5. The utility model discloses a full assembled buckling restrained brace's fatigue performance is excellent, and the hysteresis curve is full. The support has good weather resistance, stable working performance under high temperature and low temperature conditions, and easy maintenance in a corrosive environment.
6. The utility model discloses a full assembled buckling restrained brace application space is extensive, can be used for between the frame construction layer, stride near the structure support greatly, consolidate building, outrigger truss department etc..
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall assembly of the buckling restrained brace with adjustable length provided by the present invention;
fig. 2 is a schematic structural view of a buckling restrained energy dissipation section provided by the present invention;
FIGS. 3-5 are schematic cross-sectional views A-A, B-B and C-C in sequence in FIG. 2;
fig. 6 is a schematic structural view of a buckling restrained node section provided by the present invention;
fig. 7 is a schematic structural view of a buckling restrained joint section connection pair provided by the present invention;
fig. 8-9 are schematic structural diagrams of the grouting material filling sleeve and the steel structure sleeve provided by the present invention in sequence.
In the figure:
1 buckling-restrained energy dissipation section, 2 energy dissipation section sleeve connection pairs, 3 energy dissipation section core material connection pairs
4 buckling-restrained joint section, 5 buckling-restrained joint section connecting pair 6 energy-consuming core material
11 outer restraint cylinder 12 outer restraint ring plate 13 prestressed steel strand
14 prestressed steel strand anchor head 15 first sleeve connecting limb
41 non-energy-consumption connecting node 42 node end plate 43 core material connector
44 second sleeve connecting limb
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the fully-assembled buckling-restrained brace comprises a plurality of buckling-restrained energy-consuming sections 1, energy-consuming section sleeve connection pairs 2, energy-consuming section core material connection pairs 3, buckling-restrained node sections 4, buckling-restrained node section connection pairs 5 and a plurality of energy-consuming core materials 6, wherein the buckling-restrained energy-consuming sections 1 are sleeved on the peripheries of the energy-consuming core materials 6, adjacent buckling-restrained energy-consuming sections 1 are connected through the energy-consuming section sleeve connection pairs 2, adjacent energy-consuming core materials 6 are connected through the energy-consuming section core material connection pairs 3, and the buckling-restrained node sections 4 are connected to the end portions of the buckling-restrained energy-consuming sections 1 through the buckling-restrained node section connection pairs.
The novel full-assembly type buckling restrained brace provided by the embodiment can realize assembly type production, components and parts of the brace are prefabricated, the brace can be machined in advance, and the time from ordering to finishing production of the conventional buckling restrained brace is greatly shortened; the yield force and the length of the buckling-restrained brace can be combined and assembled, so that the universality of the buckling-restrained brace component is greatly enhanced; by means of a prestress mode, the rigidity of the outer restraining barrel is greatly improved, the material utilization rate is improved, and materials are saved; through combination and assembly, different yield orders of different sections of supports can be set, and therefore buckling restrained brace with double yield points and multiple yield points is achieved; the buckling restrained brace has excellent fatigue performance and a full hysteresis curve, can consume seismic energy through plastic deformation of metal with fatigue resistance, and can be applied to the technical field of structural seismic mitigation and isolation. Specifically, the method comprises the following steps:
the energy consumption sections and the non-energy consumption node sections of the buckling restrained brace are reasonably arranged, and the rear-installation connection among the energy consumption sections and the non-energy consumption node sections can be realized through the assembling design. The buckling restrained brace is integrally assembled, the support length can be assembled, and the support with any length can be possible.
The embodiment reasonably designs the energy consumption section structure of the buckling-restrained brace, realizes the assemblability of energy consumption core materials, and is convenient for the replacement of core materials with different yield points, thereby realizing the assemblability of the buckling-restrained braces with different yield forces.
In this embodiment, the core metal of the energy dissipation section of the buckling-restrained brace may be energy dissipation steel with excellent fatigue performance, the metal of the non-energy dissipation node section of the buckling-restrained brace may be high-strength steel, and the steel thickness, material, bending radius and welding mode meet the adaptation requirements.
Example 2
As shown in fig. 2-5, the buckling restrained energy dissipation segment 1 comprises an outer restraining barrel 11, an outer restraining ring plate 12, prestressed steel strands 13, prestressed steel strand anchor heads 14 and first sleeve connecting limbs 15, the outer restraining barrel 11 comprises an inner barrel body and an outer barrel body which are coaxially sleeved, the inner barrel body is sleeved on the periphery of the energy dissipation core material 6, the outer constraint ring plates 12 are a plurality of and coaxially sleeved on the periphery of the inner cylinder body, the outer constraint ring plates 12 are arranged at intervals, the prestressed steel strands 13 are a plurality of prestressed steel strands and each prestressed steel strand 13 axially passes through the outer constraint ring plates 12 in a V shape along the outer constraint cylinder 11, the plurality of prestressed steel strands 13 are distributed at equal intervals along the axial direction of the outer constraint cylinder 11, the prestressed steel strand 13 is connected with an external restraint annular plate 12 at the end part of the buckling-restrained energy dissipation section 1 through a prestressed steel strand anchor head 14, the first sleeve connecting limb 15 is connected with the outer part of the outer restraining ring plate 12 at the end part of the buckling-restrained energy dissipation section 1 so as to connect the adjacent buckling-restrained energy dissipation sections 1.
The reasonable ring plate and steel strand form that set up buckling restrained brace of this embodiment through exerting prestressing force in the steel strand wires, has realized the outer sleeve of great rigidity in limited space. The buckling-restrained brace is light, the material utilization efficiency is improved, and the weight of the buckling-restrained brace is reduced. The reasonable assembly of the energy dissipation sections of the buckling-restrained brace is arranged, and different energy dissipation sections can be buckled under different internal force conditions through the limiting device, so that secondary strengthening of multi-yield-point bracing and bracing rigidity is realized.
Example 3
As shown in fig. 7, the energy dissipating section socket joint sub 2 is connected to the first socket joint limb 15 by an anchor member, such as a pre-stressed steel strand anchor head.
Example 4
As shown in fig. 6, the buckling-restrained node section 4 includes a non-energy-consumption connecting node 41, a node end plate 42, a core material connecting head 43 and a second sleeve connecting limb 44, the core material connecting head 43, the node end plate 42 and the non-energy-consumption connecting node 41 are sequentially connected, the core material connecting head 43 is used for fixing the end portion of the energy-consumption core material 6, and the second sleeve connecting limb 44 is connected to one side of the core material connecting head 43 of the node end plate 42 so as to be connected to the end portion of the buckling-restrained energy-consumption section 1 through a buckling-restrained node section connecting pair 5. The buckling-restrained joint section can be used for connecting the energy-consuming core material 6 and the buckling-restrained joint section connecting pair 5, so that the fixing stability is improved.
Example 5
In the buckling restrained brace energy dissipation section, the outer sleeve is made of steel strands, so that the efficiency is relatively high, but the sleeve method is not limited to this, and as shown in fig. 8-9, the buckling restrained energy dissipation section 1 is a grouting material filled sleeve or a steel structure sleeve.
Example 6
The present embodiment describes the production assembly of the fully assembled buckling restrained brace.
As shown in fig. 2, the energy dissipation core material 6, the outer restraining barrel 11, the restraining ring plate 12, the pre-stressed steel strand 13, the pre-stressed steel strand anchor head 14, the first sleeve connecting limb 15 (middle segment), and the like are processed without damage, and the buckling restrained energy dissipation segment 1 is assembled. In the example shown in fig. 3, the non-energy consuming joint 41, the joint head plate 42, the core material connector 43, and the second sleeve connecting limb 44 (side segment) are processed without damage, and the non-energy consuming joint segment is assembled. And finally, according to engineering requirements and deepening design, integrally assembling the anti-buckling support according to the example shown in the figure 1, and completing connection of each node.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a full assembled buckling restrained brace, its characterized in that, full assembled buckling restrained brace includes a plurality of buckling restrained energy dissipation sections (1), vice (2) of energy dissipation section muffjoint, vice (3) of energy dissipation section core material connection, buckling restrained node section (4), the vice (5) of buckling restrained node section connection and a plurality of energy dissipation core material (6), buckling restrained energy dissipation section (1) cover is located the periphery of energy dissipation core material (6), adjacent buckling restrained energy dissipation section (1) link to each other through vice (2) of energy dissipation section muffjoint, and adjacent energy dissipation core material (6) link to each other through vice (3) of energy dissipation section core material connection, buckling restrained node section (4) are connected in the tip of buckling restrained energy dissipation section (1) through vice (5) of buckling restrained node section connection.
2. The fully assembled buckling restrained brace of claim 1, wherein the buckling restrained energy dissipation section (1) comprises an outer restraining barrel (11), an outer restraining ring plate (12), prestressed steel strands (13), a prestressed steel strand anchor head (14) and a first sleeve connecting limb (15), the outer restraining barrel (11) comprises an inner barrel body and an outer barrel body which are coaxially sleeved, the inner barrel body is sleeved on the periphery of the energy dissipation core material (6), the outer restraining ring plate (12) is a plurality of and coaxially sleeved on the periphery of the inner barrel body, the plurality of outer restraining ring plates (12) are arranged at intervals, the prestressed steel strands (13) are a plurality of and each axially passes through the plurality of outer restraining ring plates (12) along the outer restraining barrel (11), the plurality of prestressed steel strands (13) are distributed at equal intervals along the axial direction of the outer restraining barrel (11), and the prestressed steel strands (13) are connected with the outer restraining ring plate (11) at the end of the buckling restrained energy dissipation prevention section (1) through the prestressed steel strand anchor head (14) The first sleeve connecting limb (15) is connected with the outer portion of the outer restraining ring plate (12) at the end of the buckling-restrained energy dissipation section (1) to connect the adjacent buckling-restrained energy dissipation sections (1).
3. The fully assembled buckling restrained brace according to claim 2, wherein the dissipative segment sleeve connection pair (2) is connected to the first sleeve connection limb (15) by means of an anchor.
4. The fully assembled buckling restrained brace according to claim 2, wherein the buckling restrained node section (4) comprises a non-energy-consuming connecting node (41), a node head plate (42), a core material connecting head (43) and a second sleeve connecting limb (44), the core material connecting head (43), the node head plate (42) and the non-energy-consuming connecting node (41) are sequentially connected, the core material connecting head (43) is used for fixing the end of the energy-consuming core material (6), and the second sleeve connecting limb (44) is connected to one side of the core material connecting head (43) of the node head plate (42) so as to be connected to the end of the buckling restrained energy-consuming section (1) through the buckling restrained node section connecting pair (5).
5. The fully assembled buckling restrained brace according to claim 1, wherein the buckling restrained energy dissipating section (1) is a grout filled sleeve or a steel structure sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020608298.5U CN212956973U (en) | 2020-04-21 | 2020-04-21 | Full-assembly type buckling-restrained brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020608298.5U CN212956973U (en) | 2020-04-21 | 2020-04-21 | Full-assembly type buckling-restrained brace |
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| Publication Number | Publication Date |
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| CN212956973U true CN212956973U (en) | 2021-04-13 |
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| CN202020608298.5U Expired - Fee Related CN212956973U (en) | 2020-04-21 | 2020-04-21 | Full-assembly type buckling-restrained brace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529997A (en) * | 2021-07-21 | 2021-10-22 | 扬州大学 | Multistage energy consumption connecting piece |
| CN115233865A (en) * | 2022-05-10 | 2022-10-25 | 浙江大学 | Assembled buckling restrained steel plate shear wall structure with self-resetting function |
| CN115405010A (en) * | 2022-09-30 | 2022-11-29 | 中铁二局集团建筑有限公司 | Energy consumption segment and segment type combined buckling-restrained energy consumption support structure |
| CN117286943A (en) * | 2023-11-27 | 2023-12-26 | 北京市建筑设计研究院有限公司 | Series-type buckling restrained brace with double yield points |
-
2020
- 2020-04-21 CN CN202020608298.5U patent/CN212956973U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529997A (en) * | 2021-07-21 | 2021-10-22 | 扬州大学 | Multistage energy consumption connecting piece |
| CN115233865A (en) * | 2022-05-10 | 2022-10-25 | 浙江大学 | Assembled buckling restrained steel plate shear wall structure with self-resetting function |
| CN115233865B (en) * | 2022-05-10 | 2024-01-12 | 浙江大学 | Assembled buckling restrained steel plate shear wall structure with self-resetting function |
| CN115405010A (en) * | 2022-09-30 | 2022-11-29 | 中铁二局集团建筑有限公司 | Energy consumption segment and segment type combined buckling-restrained energy consumption support structure |
| CN117286943A (en) * | 2023-11-27 | 2023-12-26 | 北京市建筑设计研究院有限公司 | Series-type buckling restrained brace with double yield points |
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Granted publication date: 20210413 |