CN201933635U - Double rectangular pipes pair clamping assembled type flexing-preventing support member - Google Patents
Double rectangular pipes pair clamping assembled type flexing-preventing support member Download PDFInfo
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- CN201933635U CN201933635U CN2010205740175U CN201020574017U CN201933635U CN 201933635 U CN201933635 U CN 201933635U CN 2010205740175 U CN2010205740175 U CN 2010205740175U CN 201020574017 U CN201020574017 U CN 201020574017U CN 201933635 U CN201933635 U CN 201933635U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 78
- 239000010959 steel Substances 0.000 claims abstract description 78
- 230000002093 peripheral effect Effects 0.000 claims abstract description 32
- 239000008358 core component Substances 0.000 claims description 51
- 239000000306 component Substances 0.000 claims description 50
- 230000027455 binding Effects 0.000 abstract description 7
- 238000009739 binding Methods 0.000 abstract description 7
- 229920001875 Ebonite Polymers 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000009432 framing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
A double rectangular pipes pair clamping assembled type flexing-preventing support member is composed of an I-shaped kernel member and a peripheral restriction member; the I-shaped kernel member is a flat steel plate with low yield point and high ductility, and has hard rubber plastered on the surfaces; the peripheral restriction member is composed of two restricting square steel pipes with outwards extended steel plate bands by binding; the binding is realized by high strength bolt connection to the square steel pipes; wherein the high strength bolts are passed trough bolt holes on the outwards extended steel plate bands on the square steel pipes, and a steel backing plate and a plurality of rubber pads disposed there between to connect the two square steel pipes into one piece; the thickness of the steel backing plate is larger than that of the I-shaped kernel member; a gap of 1 to 2 mm is kept between the surface of the peripheral restriction member and the surface of the I-shaped kernel member under the pre-tightening force of the high strength bolts by adjusting the thickness of the rubber pads; the gap is filled with the hard rubber on the surface of the I-shaped kernel member to meet the requirement of the I-shaped kernel member in compressed expansion.
Description
Technical field
The utility model relates to a kind of novel curvature-prevention support component, belongs to technical field of structural engineering.
Technical background
Curvature-prevention support component generally is made up of inner core component and peripheral constraint component two parts.After the U.S. in 1994 north mountain range earthquake and the nineteen ninety-five Japan Kobe earthquake, the engineer comes to realise curvature-prevention support component and have remarkable effect on energy-dissipating and shock-absorbing, begins employing in a large amount of object of construction production of Japan and the U.S..So far, Japan is existing surpasses 300 buildings, the U.S. and also has and be no less than 30 and built and used anti-flexing support system in the building of building.
At present, the cross section kind of curvature-prevention support component can be divided three classes according to peripheral constraint material, member and combining form, i.e. the peripheral area of beam approximately of steel concrete, steel and the peripheral area of beam approximately of concrete combination and the peripheral area of beam approximately of all steel assembling.The material of pressurized inner core component is generally the high ductility steel of low-yield, and the cross section mostly is " one " font or " ten " font.General at the special non-cohesive material of inner core component external coating, and between peripheral component surface and inner core component surface, reserve certain clearance, lateral expansion takes place when preventing the inner core component pressurized and by plug extremely.Under little shake effect, the inner core component of curvature-prevention support component keeps elasticity, for agent structure provides enough anti-side rigidity; Under middle shake and big shake effect, inner core component can rate be introduced into surrender, and main body frame is played the effect of protection, and consumes a large amount of earthquake input energy.Curvature-prevention support component has the dual function of " power consumption " and " support " concurrently, and in the higher zone of seismic fortification intensity, curvature-prevention support component is considered to one of best energy-dissipating and shock-absorbing member, and the highrise building in China also began to adopt in recent years.
Usually mainly there are following shortcoming in peripheral area of beam approximately of the steel concrete that adopts and steel and the peripheral area of beam approximately of concrete combination: the making required precision height of (1) this class A of geometric unitA, cause manufacturing cost to increase, especially when fluid concrete, no matter adopt the mould material and the method for supporting of which kind of exquisiteness, all be difficult to the reservation required precision between assurance kernel and the periphery; (2) wet trade such as fluid concrete is given to make with construction and has been brought influence, and its precision control difficulty is big; (3) be coated with the isolated material that is contained in the inner core component surface and adopt epoxy resin more, kind is single, and its poor durability is easy to break away from from core surface.
The utility model content
The utility model proposes a kind of pair of quarter bend make-up assembling curvature-prevention support component, aim to provide a kind of novel assembling and support energy dissipation component, when little shake for structure provides anti-side rigidity, and under middle shake and big shake effect protection agent structure and effectively consuming energy.
The applicant also once proposed a kind of all steel assembling curvature-prevention support component [200910081817.5], adopt four channel section hot-rolled steel sections to tie up and then retrain " one " font inner core component, can solve the problem of above-mentioned concrete wet trade and precision control aspect.
Except that above-mentioned all steel assembling curvature-prevention support component [200910081817.5], the novel assembling curvature-prevention support component of a kind of pair of quarter bend make-up that this patent proposes also can thoroughly address the above problem.Pourable concrete in the rectangular steel pipe is formed by two rectangular steel pipe bindings with overhanging steel plate band in the periphery of this pair of quarter bend make-up assembling curvature-prevention support component area of beam approximately; The kernel compressed member adopts the in-line cross section low carbon steel plate of the high ductility of low-intensity.The binding effect of peripheral rectangular steel pipe is to connect by the high-strength bolt on its overhanging steel plate band to realize, between two overhanging steel plate bands the billet that can pass high-strength bolt is set, the thickness of billet is greater than the thickness of interior nuclear plate, be not directly delivered to the kernel cross-sections surfaces with assurance high-strength bolt pretension, and by mutual balance between peripheral constraint component and the billet.Between billet and the overhanging steel plate band several round rubber pads are set, to help to regulate the connection spacing of two rectangular steel pipes, the geometrical deviation that produces when remedying structure manufacture and installing.Adopt vulcanie to isolate between the surface of peripheral constraint component and inner core component, its THICKNESS CONTROL just can satisfy the requirement of inner core component pressurized swell increment at 1mm～2mm.
A kind of pair of quarter bend make-up assembling curvature-prevention support component is characterized in that, contains: in-line inner core component, constraint square steel pipe, billet, rubber sheet gasket, high-strength bolt; Described constraint square steel pipe by a plain plate and a hot-rolled steel channel by being welded to form, perhaps by four blocks of plain plates by being welded to form, the corresponding position on the overhanging steel plate band of two constraint square steel pipes is opened bolt hole respectively; Two constraint square steel pipes are placed the both sides of in-line inner core component respectively, make the length of overhanging plate at in-line inner core component two ends identical, make the bolt hole alignment on the overhanging steel plate band of two constraint square steel pipes; Billet is placed in the position that has bolt hole between the overhanging steel plate band of constraint square steel pipe, and places rubber sheet gasket between billet and overhanging steel plate band; High-strength bolt passes bolt hole, rubber sheet gasket and the billet on the confining part, by applying bolt pretightening two constraint square steel pipes is connected as a single entity, and forms the peripheral constraint component of in-line inner core component; Form the gap of 1mm～2mm between the surface of constraint square steel pipe and the surface of in-line inner core component, fill this gap by the vulcanie that sticks on in-line inner core component surface.
The in-line inner core component of this pair of quarter bend make-up assembling curvature-prevention support component extends out in the end, and it adopts common practice with being connected of framing component; Two blocks of wing plates of welding form the cross end face on the overhanging plate of in-line inner core component in the end, are opening bolt hole on the overhanging plate of in-line inner core component with on the wing plate, realize with being connected by junction plate and high-strength bolt of framing component.
Advantage of the present utility model mainly contains: (1) inner core component and peripheral constraint component adopt site assembly, owing to adopt bolt to connect, both make things convenient for site assembly, saved cost, can realize the adjustment of distance between inner core component and the peripheral constraint component surface by the quantity that increases and reduce the rubber sheet gasket between billet and the peripheral constraint component again, thereby make anti-flexing member obtain best hysteresis performance; (2) can the fluid concrete material in the rectangular steel pipe of peripheral constraint component, this directly in pipe the form of fluid concrete than more convenient, more succinct aspect the precision control of the anti-flexing member that adopts steel and concrete compound section between processing concrete surface and kernel steel plate; (3) all steel members all can be at produce in factory, and machining accuracy is controlled easily; (4) adopt vulcanie to isolate between the two surface of inner core component and peripheral constraint component, not only good endurance, and its making thickness is easy to be controlled and adjusts; (5) kind of existing curvature-prevention support component, the section form and the connected mode of peripheral constraint have been replenished, for structure design and reinforcing provide bigger range of choice; (6) change after the earthquake surrendered or the curvature-prevention support component of flexing very convenient.
Description of drawings
Fig. 1 is the sectional view of a kind of pair of quarter bend make-up assembling curvature-prevention support component;
Fig. 2 is for the cross section exploded view of constraint square steel pipe, when it is welded by a plain plate and a hot-rolled steel channel;
Fig. 3 is for the cross section exploded view of constraint square steel pipe, when it is welded by four blocks of plain plates;
Fig. 4 is the bolted composition diagram of confining part;
Fig. 5 is the graphics of a kind of pair of quarter bend make-up assembling curvature-prevention support component;
Fig. 6 is the three-dimensional, exploded view of a kind of pair of quarter bend make-up assembling curvature-prevention support component;
Fig. 7 is the local composition diagram of a kind of pair of quarter bend make-up assembling curvature-prevention support component;
Below in conjunction with accompanying drawing 1～6, describe embodiment of the present utility model in detail.
As shown in Figure 1, a kind of pair of quarter bend make-up assembling curvature-prevention support component comprises with lower member:
1---the in-line inner core component;
2---the constraint square steel pipe;
3---vulcanie;
4---billet;
5---rubber sheet gasket;
6---high-strength bolt;
7---concrete;
Shown in Fig. 1,5,6, described in-line inner core component (1) adopts the plain plate of the high ductility of low-intensity; As shown in Figure 6, paste vulcanie (3) in the region surface of the restrained member of in-line inner core component (1) (2) parcel;
Shown in Fig. 1,5,6, totally two of described constraint square steel pipes (2), its size is all identical, and its length is less than the length of in-line inner core component (1); As shown in Figure 2, described confining part (2) by a plain plate (8) and a hot-rolled steel channel (9) by being welded to form, and make plain plate (8) two ends form the overhanging steel plate bands of twice (13) respectively, perhaps as shown in Figure 3, by being welded to form, and make the two ends of and the plain plate (8) that adjoin parallel form the overhanging steel plate bands of twice (13) respectively by four blocks of plain plates (8), (10), (11), (12) with in-line inner core component (1); As shown in Figure 6, the corresponding position on the overhanging steel plate band (13) of two constraint square steel pipes (2) is opened bolt hole (14) respectively;
Shown in Fig. 1,5, two constraint square steel pipes (2) are placed the both sides of in-line inner core component (1) respectively, and make that the length of overhanging plate at in-line inner core component (1) two ends is identical, make bolt hole (14) alignment on the overhanging steel plate band (13) of two constraint square steel pipes (2) simultaneously; Shown in Fig. 1,4, billet (4) is placed in the position that has bolt hole (14) between the overhanging steel plate band (13) of constraint square steel pipe (2), and places rubber sheet gasket (5) between billet (4) and overhanging steel plate band (13); High-strength bolt (6) passes bolt hole (14), the rubber sheet gasket (5) and billet (4) on the confining part, by applying bolt pretightening two constraint square steel pipes is connected as a single entity, and forms the peripheral constraint component of in-line inner core component (1); The thickness of billet (4) is greater than the panel thickness of in-line inner core component (1), and by regulating the thickness of rubber sheet gasket (4), make the gap that forms 1mm～2mm between the surface of surface that retrains square steel pipe (2) under the pretightning force effect of high-strength bolt and in-line inner core component (1), this gap is filled by the vulcanie (3) that sticks on in-line inner core component (1) surface;
Shown in Fig. 1,5, keep hollow in the pipe of constraint square steel pipe (2), or in pipe fluid concrete (7);
Shown in Fig. 5,6, common practice is adopted in the end of described pair of quarter bend make-up assembling curvature-prevention support component, be that in-line inner core component (1) extends out in the end, and on the overhanging plate of end in-line inner core component (1) welding two blocks of wing plates (15), form the cross end face, realize with being connected of framing component by junction plate and high-strength bolt; As shown in Figure 7, for guaranteeing seamlessly transitting of wing plate (15), constraint square steel pipe (2) must otch, must leave necessarily for g between wing plate (15) and constraint square steel pipe (2), and g is half that in-line inner core component (1) takes place under the big shake effect maximum compression is out of shape.
Design to this pair of quarter bend make-up assembling curvature-prevention support component mainly comprises following two aspects:
(1) requirement of peripheral constraint component and the about beam ratio of inner core component: about beam ratio ζ is defined as the ratio that anti-flexing supports integral, flexible flexing load and inner core component yield load:
Wherein, E
1I
1Be the bending stiffness of inner core component, E
2I
2Be the bending stiffness of peripheral constraint component, the length of L for supporting, A
1Be the section area of inner core component, f
Y1Steel yield strength for inner core component.Get ζ between 1.8～2.0, just can guarantee that peripheral constraint component produces enough effect of contractions to inner core component.
(2) the binding effect of peripheral constraint component requires: the connection between the peripheral constraint component must have certain intensity and rigidity requirement, be that the size of connecting bolt and the spacing of bolt setting must meet certain requirements, cause its binding effect to be lost efficacy to prevent the continuous damage between the peripheral member when interior nuclear pressure reaches surrender.
The principle of the calculating that high-strength bolt connects is: considering that curvature-prevention support component has under the situation of certain how much initial imperfections, its inner core component not only has the hysteresis loop of complete full and certain cycle-index under course under cyclic loading, and inner core component makes the binding effect of peripheral constraint component lose efficacy to the active force of peripheral constraint component is unlikely.For this reason, the connection of high-strength bolt calculates that suffered maximum shear and the maximum pull of bolt designs in the time of can reaching it and be subjected to curved ultimate bearing capacity according to peripheral constraint component.Bolted calculating will be considered anti-flexing member respectively around the situation of two main shaft bendings, and when around the y-y bending shaft, the calculating of backing plate will be considered the maximum thrust effect to its backing plate when its plane inner bending of anti-flexing member kernel.Its backing plate can be connected calculating according to high-strength bolt pressure-bearing type with the design of bolt.
Claims (1)
1. a two quarter bend make-up assembling curvature-prevention support component is characterized in that, contains: in-line inner core component, constraint square steel pipe, billet, rubber sheet gasket, high-strength bolt; Described constraint square steel pipe by a plain plate and a hot-rolled steel channel by being welded to form, perhaps by four blocks of plain plates by being welded to form, the corresponding position on the overhanging steel plate band of two constraint square steel pipes is opened bolt hole respectively; Two constraint square steel pipes are placed the both sides of in-line inner core component respectively, make the length of overhanging plate at in-line inner core component two ends identical, make the bolt hole alignment on the overhanging steel plate band of two constraint square steel pipes; Billet is placed in the position that has bolt hole between the overhanging steel plate band of constraint square steel pipe, and places rubber sheet gasket between billet and overhanging steel plate band; High-strength bolt passes bolt hole, rubber sheet gasket and the billet on the confining part, by applying bolt pretightening two constraint square steel pipes is connected as a single entity, and forms the peripheral constraint component of in-line inner core component; Form the gap of 1mm～2mm between the surface of constraint square steel pipe and the surface of in-line inner core component, fill this gap by the vulcanie that sticks on in-line inner core component surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205740175U CN201933635U (en) | 2010-10-15 | 2010-10-15 | Double rectangular pipes pair clamping assembled type flexing-preventing support member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205740175U CN201933635U (en) | 2010-10-15 | 2010-10-15 | Double rectangular pipes pair clamping assembled type flexing-preventing support member |
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| Publication Number | Publication Date |
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| CN201933635U true CN201933635U (en) | 2011-08-17 |
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| CN2010205740175U Expired - Fee Related CN201933635U (en) | 2010-10-15 | 2010-10-15 | Double rectangular pipes pair clamping assembled type flexing-preventing support member |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974948A (en) * | 2010-10-15 | 2011-02-16 | 清华大学 | Double-rectangular tube buckled assembled buckling-restrained bracing member |
| CN102535271A (en) * | 2012-02-06 | 2012-07-04 | 山东宁津弹簧有限公司 | Long-fatigue-life elastic element for tampering machine |
| CN103572859A (en) * | 2013-11-12 | 2014-02-12 | 清华大学 | Dual-rectangular-tube oppositely-buckled dual-core assembly type bending-preventing supporting component |
| CN103711218A (en) * | 2013-12-30 | 2014-04-09 | 北京工业大学 | Box iron grooving type linear 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 |
| CN103711224A (en) * | 2013-12-30 | 2014-04-09 | 北京工业大学 | Four-steel-tube externally-attached decoration plate type cross-shaped variable-cross-section steel core energy dissipation limiting anti-buckling supporting member |
| CN103981973A (en) * | 2014-04-11 | 2014-08-13 | 北京工业大学 | Tubular crossed plate assembly type steel-structure self-resetting buckling restrained brace |
| CN106401254A (en) * | 2016-09-14 | 2017-02-15 | 东南大学 | Self-reset steel framework structure for restraining energy consumption of core plate through buckling |
| CN110714545A (en) * | 2019-09-09 | 2020-01-21 | 重庆大学 | Self-resetting energy dissipation steel column base node |
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- 2010-10-15 CN CN2010205740175U patent/CN201933635U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101974948A (en) * | 2010-10-15 | 2011-02-16 | 清华大学 | Double-rectangular tube buckled assembled buckling-restrained bracing member |
| CN102535271A (en) * | 2012-02-06 | 2012-07-04 | 山东宁津弹簧有限公司 | Long-fatigue-life elastic element for tampering machine |
| CN103572859A (en) * | 2013-11-12 | 2014-02-12 | 清华大学 | Dual-rectangular-tube oppositely-buckled dual-core assembly type bending-preventing supporting component |
| CN103711218A (en) * | 2013-12-30 | 2014-04-09 | 北京工业大学 | Box iron grooving type linear 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 |
| CN103711224A (en) * | 2013-12-30 | 2014-04-09 | 北京工业大学 | Four-steel-tube externally-attached decoration plate type cross-shaped variable-cross-section steel core energy dissipation limiting anti-buckling supporting member |
| 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 |
| CN103711218B (en) * | 2013-12-30 | 2016-07-06 | 北京工业大学 | A kind of channel-section steel anti-buckling spacing energy-consumption supporting member of open flume type in-line variable-cross-sectisteel steel core |
| CN103711224B (en) * | 2013-12-30 | 2016-07-27 | 北京工业大学 | A kind of four steel pipe external application batten plate formula cross variable-cross-sectisteel steel core displacement-limited with dissipation curvature-prevention support components |
| CN103981973A (en) * | 2014-04-11 | 2014-08-13 | 北京工业大学 | Tubular crossed plate assembly type steel-structure self-resetting buckling restrained brace |
| CN106401254A (en) * | 2016-09-14 | 2017-02-15 | 东南大学 | Self-reset steel framework structure for restraining energy consumption of core plate through buckling |
| CN110714545A (en) * | 2019-09-09 | 2020-01-21 | 重庆大学 | Self-resetting energy dissipation steel column base node |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20110817 Termination date: 20121015 |