CN100558998C - Plumbous-buckling-restrained supporting composite energy dissipation device and preparation method - Google Patents
Plumbous-buckling-restrained supporting composite energy dissipation device and preparation method Download PDFInfo
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- CN100558998C CN100558998C CNB200610164933XA CN200610164933A CN100558998C CN 100558998 C CN100558998 C CN 100558998C CN B200610164933X A CNB200610164933X A CN B200610164933XA CN 200610164933 A CN200610164933 A CN 200610164933A CN 100558998 C CN100558998 C CN 100558998C
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Abstract
The present invention is a kind of lead-buckling-restrained supporting composite energy dissipation device and preparation method thereof, belongs to the energy consumer field of building structure.This energy consumer center is provided with mild steel steel plate (1), the mild steel steel plate is connected with scab (3) by bolt (2), scab is connected with junction plate (4) by bolt, the mild steel steel plate is provided with outer steel sleeve pipe (5) and internal layer band steel sleeve pipe (6), outside concrete perfusion (7) between steel sleeve and the internal layer band steel sleeve pipe.The thin lead layer (8) of perfusion plays the barrier film effect in mild steel steel plate and internal layer band steel shell clearance, absorbs energy simultaneously in the process that deforms.At the short peg (9) that is crisscross arranged on the mild steel steel plate and on the inwall of internal layer band steel sleeve pipe, its height equates with mild steel steel plate and internal layer band steel shell clearance size, to realize the operative constraint of internal layer band steel sleeve pipe to the mild steel steel plate.The present invention has utilized two kinds of energy consume mechanisms of plumbous shear extrusion hysteresis distortion and mild steel steel plate constraint surrender fully, and energy dissipation capacity is good.
Description
Technical field
The present invention is a kind of lead-buckling-restrained supporting composite energy dissipation device and preparation method, belongs to the energy consumer field of building structure.
Background technology
Tradition supports has the history in more than 30 year nearly as energy-consumption shock-absorption device, because its easy construction, cost economy is calculated simply, is extensively adopted by engineering circle.But tradition is supported on distinct issues are arranged in the antidetonation, be exactly it when big shake pressurized flexing unstability very easily, the inefficacy and the destruction of causing support itself and connected mode.In addition, the tension and compression hysteresis loop that tradition supports is asymmetric, and energy dissipation capacity is poor in big earthquake centre.The problem that how to strengthen tradition support anti-seismic performance has become Chinese scholars and engineering circle problem demanding prompt solution.
The Japan scholar has proposed not have the buckling-restrained support of bonding on the basis that tradition supports, this supports by mild steel steel plate 1, hard diaphragm material, outsourcing side's (circle) steel sleeve 2 and fill concrete 7 forms its organigram such as Fig. 1.Mild steel steel plate 1 is born axial load as the mild steel steel core, and outer tube provides cross binding by fill concrete 7, suppresses mild steel steel core pressurized flexing unstability.Contact surface along mild steel steel core and concrete seven scribbles the very thin hard diaphragm material of one deck, the shear strain that produces when being used for eliminating elongation of mild steel steel core and contraction, lateral expansion when regulating pressurized simultaneously, therefore the mild steel steel core can freely shorten in the aggregate of concrete seven and outer steel sleeve pipe 1 and extend, and surrenders power consumption repeatedly in big earthquake centre.
The anti seismic efficiency that does not have the buckling-restrained support of bonding is better than tradition to be supported, but its associated disadvantages is also arranged: this support is main to rely on the mild steel steel core in supporting to surrender the opposing geological process repeatedly, and the seismic energy of consumption is limited; The yield point of mild steel steel core is very low, and irrecoverable distortion takes place after surrender, easily causes the structure permanent deformation excessive in big earthquake centre; Simultaneously, this support is prone to deformity out of plane, and the lateral force that causes very easily makes the concrete slab edge damage under the early stage effect of earthquake.
Summary of the invention
Technical problem to be solved by this invention is the shock resistance problem that significantly improves braced structures.For this purpose, the present invention proposes a kind of lead-buckling-restrained supporting composite energy dissipation device and preparation method thereof.
The technical scheme that lead of the present invention-buckling-restrained supporting composite energy dissipation device adopts is: at lead-buckling-restrained supporting composite energy dissipation device mild steel steel plate 1 is set at the center, the mild steel steel plate 1 outer outer steel sleeve pipe 5 that is provided with, the two ends of mild steel steel plate 1 are connected with scab 3 by bolt 2, scab 3 is connected with junction plate 4 by bolt 2, internal layer band steel sleeve pipe 6 also is set between mild steel steel plate 1 and the outer steel sleeve pipe 5, perfusion lead layer 8, concrete perfusion 7 between steel sleeve 5 and the internal layer band steel sleeve pipe 6 outside in mild steel steel plate 1 and internal layer band steel sleeve pipe 6 gaps.Because lead has low yield strength, high flexibility and high ductibility, can play the barrier film effect between mild steel steel plate 1 and internal layer band steel sleeve pipe 6, in deformation process, can absorb lot of energy simultaneously.
Described lead-buckling-restrained supporting composite energy dissipation device, at the peg 9 that is crisscross arranged on the mild steel steel plate 1 and on the inwall of internal layer band steel sleeve pipe 6, peg 9 height equate with mild steel steel plate 1 and internal layer band steel sleeve pipe 6 gap sizes, realizing operative constraint to mild steel steel plate 1, the power consumption effect of performance mild steel steel plate 1 constraint surrender and approach power consumption effect in the lead layer 8 extrusion shearing processes.
So this support has the characteristic of dual power consumption.This energy dissipating is supported in the structural dynamic reaction has stronger damping energy dissipation ability.
According to technical scheme of the present invention, adopt the preparation method of lead-buckling-restrained supporting composite energy dissipation device, its order is as follows:
1) configuration mild steel steel plate is provided with peg on the mild steel steel plate;
2) with internal layer band steel sleeve pipe separated into two parts, first is by a long limit and two U-shapeds that minor face is formed, second portion is the long limit of second, on the inwall on two long limits, peg is set, two parts are configured in outside the mild steel steel core then, form internal layer band steel sleeve pipe, on the internal layer band steel internal surface of sleeve pipe on peg and the mild steel steel plate peg be crisscross arranged;
3) the thin lead layer of perfusion between mild steel steel plate and internal layer band steel sleeve pipe;
4) outside internal layer band steel sleeve pipe, outer steel pipe is set;
5) concreting between internal layer band steel sleeve pipe and outer steel pipe;
6) the mild steel steel plate is connected with scab;
7) scab is connected with junction plate;
The present invention has utilized two kinds of energy consume mechanisms of plumbous shear extrusion hysteresis distortion and mild steel steel plate constraint surrender fully, and energy dissipation capacity is good.Damper belongs to bolt disassembly type damper, is convenient to change after destroying under the violent earthquake effect.
Description of drawings
Fig. 1 is the internal construction schematic diagram that does not have the buckling-restrained support of bonding;
Fig. 2 is the schematic diagram of lead of the present invention-buckling-restrained supporting composite energy dissipation device;
Fig. 3 is the internal construction schematic diagram of lead of the present invention-buckling-restrained supporting composite energy dissipation device;
Fig. 4 is an A-A generalized section among Fig. 2;
Fig. 5 is a B-B generalized section among Fig. 2;
Fig. 6 is a C-C generalized section among Fig. 2;
Fig. 7 is a D D generalized section among Fig. 2.
Among the figure: 1-mild steel steel plate, 2-bolt, 3-scab, 4-junction plate, 5-outer steel sleeve pipe, 6-internal layer band steel sleeve pipe, 7-concrete, 8-lead layer, 9-peg.
The specific embodiment
Be described in further detail below in conjunction with 7 pairs of embodiment of the invention of accompanying drawing 2～accompanying drawing:
Lead-buckling-restrained supporting composite energy dissipation device is combined by mild steel steel plate 1 and internal and external casing, wherein perfusion approaches lead layer 8 in the internal layer band steel sleeve pipe 6, concreting 7 in the outer steel sleeve pipe 5, its structural representation such as Fig. 3, Fig. 4, shown in Figure 5, the collocation method of mild steel steel plate 1, scab 3 and junction plate 4 as shown in Figure 3, Figure 4.Mild steel steel plate 1 is connected by scab 3 with junction plate 4, and energy consumer is connected by junction plate 4 with the node of structure.
In mild steel steel plate 1 middle part active section is set, the section ratio of active section is small in ends, guarantees that mid portion is surrendered under geological process.Peg 2 is set on active section, with internal layer band steel sleeve pipe 6 separated into two parts, first is by a long limit and two U-shapeds that minor face is formed, second portion is the long limit of second, peg 9 is set on the inwall on two long limits, then two parts are configured in the mild steel steel core 1 outer internal layer band steel sleeve pipe 6 that forms, on internal layer band steel sleeve pipe 6 inwalls on peg 9 and the mild steel steel plate 1 peg 9 be crisscross arranged, the height of peg 9 equates with mild steel steel plate 1 and internal layer band steel sleeve pipe 6 gap sizes, to realize the operative constraint of 6 pairs of mild steel steel plates 1 of internal layer band steel sleeve pipe.The thin lead layer of perfusion between mild steel steel plate 1 and internal layer band steel sleeve pipe 6.The internal layer band steel sleeve pipe 6 outer outer steel pipes 5, concreting 7 between internal layer band steel sleeve pipe 6 and outer steel pipe 5 of being provided with.Mild steel steel plate 1 is connected with scab 3 by bolt 2, and scab 3 is connected with junction plate 4 by bolt 2, forms lead-buckling-restrained supporting composite energy dissipation device.
Below in conjunction with accompanying drawing 1～accompanying drawing 4, specify preparation method of the present invention:
1) it is little the intermediate cross-section to be set, the mild steel steel plate 1 that two end sections are big, and the mild steel steel plate is provided with peg 9 on 1 surface;
2) with internal layer band steel sleeve pipe separated into two parts, first is by a long limit and two U-shapeds that minor face is formed, second portion is the long limit of second, on the inwall on two long limits, peg is set, then two parts are configured in outside the mild steel steel core, form internal layer band steel sleeve pipe, on the internal layer band steel internal surface of sleeve pipe on peg and the mild steel steel plate peg be crisscross arranged, mild steel steel plate 1 and internal layer band steel sleeve pipe 6 gap sizes highly equate with peg 9, to realize the operative constraint of 6 pairs of mild steel steel plates 1 of internal layer band steel sleeve pipe;
3) the thin lead layer of perfusion between mild steel steel plate 1 and internal layer band steel sleeve pipe 6;
4) outside internal layer band steel sleeve pipe 6, outer steel pipe 5 is set;
5) concreting between internal layer band steel sleeve pipe 6 and outer steel pipe 5;
6) mild steel steel plate 1 is connected by bolt 2 with scab 3;
7) scab 3 is connected by bolt 2 with junction plate 4.
Claims (2)
1, lead-buckling-restrained supporting composite energy dissipation device, mild steel steel plate (1) is set at the center, the outer outer steel sleeve pipe (5) that is provided with of mild steel steel plate (1), the two ends of mild steel steel plate (1) are connected with scab (3) by bolt (2), scab (3) is connected with junction plate (4) by bolt (2), it is characterized in that: between mild steel steel plate (1) and the outer steel sleeve pipe (5) internal layer band steel sleeve pipe (6) is set, in mild steel steel plate (1) and internal layer band steel sleeve pipe (6) gap, pour into lead layer (8), outside concrete perfusion (7) between steel sleeve (5) and the internal layer band steel sleeve pipe (6); Mild steel steel plate (1) go up and the inwall of internal layer band steel sleeve pipe (6) on the peg (9) that is crisscross arranged, peg (9) highly equates with mild steel steel plate (1) and internal layer band steel sleeve pipe (6) gap size.
2, the preparation method of a kind of lead-buckling-restrained supporting composite energy dissipation device is characterized in that: comprise the steps:
1) it is little the intermediate cross-section to be set, the mild steel steel plate (1) that two end sections are big, and the mild steel steel plate is provided with peg (9) on (1) two surface;
2) with internal layer band steel sleeve pipe (6) separated into two parts, first is by a long limit and two U-shapeds that minor face is formed, second portion is the long limit of second, peg (9) is set on the inwall on two long limits, then two parts are configured in outside the mild steel steel core (1), form internal layer band steel sleeve pipe (6), on internal layer band steel sleeve pipe (6) inwall peg (9) is set, go up peg (9) with mild steel steel plate (1) and be crisscross arranged, mild steel steel plate (1) and internal layer band steel sleeve pipe (6) gap size highly equate with peg (9);
3) between mild steel steel plate (1) and internal layer band steel sleeve pipe (6), pour into lead layer;
4) outer steel sleeve pipe (5) is set outside internal layer band steel sleeve pipe (6);
5) concreting between internal layer band steel sleeve pipe (6) and outer steel sleeve pipe (5) forms lead-buckling-restrained supporting composite energy dissipation device;
6) mild steel steel plate (1) is connected by bolt (2) with scab (3);
7) scab (3) is connected by bolt (2) with junction plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610164933XA CN100558998C (en) | 2006-12-08 | 2006-12-08 | Plumbous-buckling-restrained supporting composite energy dissipation device and preparation method |
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| CNB200610164933XA CN100558998C (en) | 2006-12-08 | 2006-12-08 | Plumbous-buckling-restrained supporting composite energy dissipation device and preparation method |
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| CN1963060A CN1963060A (en) | 2007-05-16 |
| CN100558998C true CN100558998C (en) | 2009-11-11 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851967A (en) * | 2010-06-01 | 2010-10-06 | 哈尔滨工业大学 | Novel joint connecting method for steel plate and concrete combination shear wall connected with frame beam |
| CN101949176A (en) * | 2010-09-14 | 2011-01-19 | 广州大学 | Steel-lead damper |
| CN101974940A (en) * | 2010-11-24 | 2011-02-16 | 沈阳建筑大学 | Joint of buckling restrained brace and concrete beam |
| CN102587533A (en) * | 2012-03-22 | 2012-07-18 | 北京工业大学 | Buckling restrained brace with parallel mild steel plate energy dissipation devices at two ends and method for manufacturing buckling restrained brace |
| CN102605873A (en) * | 2012-03-22 | 2012-07-25 | 北京工业大学 | Buckling restrained brace with energy dissipation device sandwiched with lead layer and provided with steel plates at two ends and method for manufacturing buckling restrained brace |
| CN106592803B (en) * | 2016-11-11 | 2022-05-13 | 大连理工大学 | Buckling restrained brace device with adjustable strength |
| CN107237422A (en) * | 2017-08-17 | 2017-10-10 | 中国地震局工程力学研究所 | A kind of two ends bearing pin connects two-way lead extruding energy-consumption damper |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1683804A (en) * | 2005-03-11 | 2005-10-19 | 广州大学 | Steel-lead combined energy comsuming device |
| CN1769607A (en) * | 2004-12-16 | 2006-05-10 | 东南大学 | High energy consumption reposition metal damper |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1769607A (en) * | 2004-12-16 | 2006-05-10 | 东南大学 | High energy consumption reposition metal damper |
| CN1683804A (en) * | 2005-03-11 | 2005-10-19 | 广州大学 | Steel-lead combined energy comsuming device |
Non-Patent Citations (3)
| Title |
|---|
| 200989013Y 2007.12.12 |
| 结构的耗能减震与防屈曲支撑. 郭彦林等.建筑结构，第35卷第8期. 2005 |
| 结构的耗能减震与防屈曲支撑. 郭彦林等.建筑结构，第35卷第8期. 2005 * |
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Owner name: CANGZHOU INSTITUTE OF ARCHITECTURAL DESIGN CO., LT Free format text: FORMER OWNER: BEIJING UNIVERSITY OF TECHNOLOGY Effective date: 20130104 Owner name: BEIJING UNIVERSITY OF TECHNOLOGY Effective date: 20130104 |
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Inventor after: Cao Wanlin Inventor after: Tian Baofa Inventor after: Liu Shuyi Inventor after: Song Wenyong Inventor after: Jia Yuanchao Inventor after: Zhang Hongyu Inventor after: Chang Weihua Inventor after: Zhang Jianwei Inventor before: Cao Wanlin Inventor before: Chang Weihua Inventor before: Zhang Jianwei |
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Free format text: CORRECT: INVENTOR; FROM: CAO WANLIN CHANG WEIHUA ZHANG JIANWEI TO: CAO WANLIN TIAN BAOFA LIU SHUYI SONG WENYONG JIA YUANCHAO ZHANG HONGYU CHANG WEIHUA ZHANG JIANWEI Free format text: CORRECT: ADDRESS; FROM: 100022 CHAOYANG, BEIJING TO: 061000 CANGZHOU, HEBEI PROVINCE |
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Effective date of registration: 20130104 Address after: 061000 No. 116 West Central Street, Canal District, Hebei, Cangzhou Patentee after: Cangzhou architectural design and Research Institute Co Ltd Patentee after: Beijing University of Technology Address before: 100022 No. 100 Chaoyang District Ping Tian Park, Beijing Patentee before: Beijing University of Technology |
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