CN105155712B - A kind of Self-resetting steel coupling beam system of use marmem pull bar - Google Patents
A kind of Self-resetting steel coupling beam system of use marmem pull bar Download PDFInfo
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- CN105155712B CN105155712B CN201510534481.9A CN201510534481A CN105155712B CN 105155712 B CN105155712 B CN 105155712B CN 201510534481 A CN201510534481 A CN 201510534481A CN 105155712 B CN105155712 B CN 105155712B
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- coupling beam
- pull bar
- marmem
- steel coupling
- structural member
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- 230000008878 coupling Effects 0.000 title claims abstract description 87
- 238000010168 coupling process Methods 0.000 title claims abstract description 87
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 87
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 238000004873 anchoring Methods 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 240000002853 Nelumbo nucifera Species 0.000 claims 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000008034 disappearance Effects 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of Self-resetting steel coupling beam system of use marmem pull bar, the Self-resetting steel coupling beam structural system using marmem pull bar is there is no at present.Steel coupling beam in the present invention can use any section form and length dimension for being adapted to be actually needed, and marmem pull bar runs through on the total length of steel coupling beam, the main structural member for being anchored in coupling beam two ends.Marmem pull bar applies certain prestressing force before anchoring, so as to form certain precompression between steel coupling beam and its main structural member connected.When by the earthquake load designed, hyperelastic deformation will occur for marmem pull bar, and steel coupling beam gap occurs in addition to the localized contact stress concentration position of end between elastic stage, steel coupling beam and its main structural member connected.After load disappearance, the gap between steel coupling beam and its main structural member connected will be eliminated, and whole coupling beam system resets to original state, no global residual deformation.
Description
Technical field
The present invention relates to a kind of steel coupling beam system, more particularly to a kind of use marmem pull bar, with runback
Bit function, shock resisting steel coupling beam system.
Background technology
Coupling beam is a kind of important component in building structure, is primarily subjected to shearing and moment of flexure.In anti-seismic structure, steel coupling beam
It is typically designed to allow occur plasticity detrusion, so as to reach increase structure ductility and the purpose of power consumption.Above-mentioned plasticity is cut
Shear deformation will make coupling beam structure there is larger residual deformation after earthquake, and rehabilitation cost is higher.Rising in recent years Self-resetting knot
The concept of structure system, its core is the self- recoverage power and energy dissipation capacity that anti-seismic structure is provided by using certain device, is reached
Reduce residual deformation after structure shake, be excused from a college course multiple purpose.
For Self-resetting coupling beam structure, general thinking is to provide self- recoverage power using prestress steel cable, use
Angle steel or friction energy consuming device provide energy dissipation capacity.This thinking for separating self-resetting devices with energy-dissipating device constructively phase
To complexity, while there is angle steel needs the deficiencies such as replacement, friction energy consuming device installation requirement height after shake.Based on runback bit architecture
The principle of system, using the distinctive superelastic properties of marmem, the present invention proposes one kind and uses marmem
The Self-resetting steel coupling beam system of pull bar.The Self-resetting steel coupling beam system using marmem pull bar is there is no at present.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art there is provided a kind of novel Self-resetting steel coupling beam system.
The purpose of the present invention is achieved through the following technical solutions：A kind of runback of use marmem pull bar
Position steel coupling beam system, is made up of, main structure structure of the steel coupling beam between required connection steel coupling beam with marmem pull bar
Between part, the marmem pull bar runs through the total length of steel coupling beam, and two ends are anchored in the main structure structure that steel coupling beam is connected
On part.
Further, the marmem pull bar applies pretension before anchoring, after anchoring, and the pretension will make
Precompression is formed between the connected main structural member of steel coupling beam.
Further, between the steel coupling beam and the main structural member at two ends without directly weld or bolt connection, completely according to
The contact connection of interface is kept by precompression.
Further, coupling beam top and the position of low side are located on the end plate of main structural member and are welded with positive stop key respectively,
To prevent coupling beam from vertically sliding.
Further, under design earthquake load, hyperelastic deformation will occur for marmem pull bar, and steel coupling beam is except end
Elastic stage is completely in outside portion localized contact position, gap is will appear between steel coupling beam and its main structural member connected,
After load disappearance, the gap between steel coupling beam and its main structural member connected will be eliminated, and whole coupling beam system is reset to
Original state, no global residual deformation.
Further, the marmem pull bar is symmetrically arranged in the altitude range of coupling beam.
Further, the marmem pull bar two ends are anchored on the anchor plate on main structural member, anchor
Gu the position of plate can be determined according to the length of marmem pull bar, when the length of marmem pull bar is smaller,
Also directly it can be anchored on the end plate of main structural member.
Further, the two ends of the marmem pull bar are designed to thread forms, by the way of bolt is fastened
Apply prestressing force.
Further, the section selection of the coupling beam needs to ensure that coupling beam reaches that maximum can be extensive in marmem pull bar
Generally in elastic stage in addition to the localized contact stress concentration position of end during combined stress.
Further, the length selection of the marmem pull bar needs to ensure the coupling beam corner change in design requirement
Its strain is in recoverable scope under shape, and the selection in the marmem pull bar section needs to ensure in design load
The stress level of lower pull bar is in recoverable scope.
The beneficial effects of the invention are as follows：In the presence of design earthquake load, superlastic will occur for marmem pull bar
Property deformation so that provide power consumption and self- recoverage power, steel coupling beam is in addition to the localized contact stress concentration position of end generally in elasticity
State；After load disappearance, whole coupling beam system will be reset to original state, no global residual deformation, without maintenance.
Brief description of the drawings
Fig. 1 for the present invention in using marmem pull bar Self-resetting steel coupling beam system schematic diagram；
Fig. 2 for the present invention in using marmem pull bar Self-resetting steel coupling beam system reach design corner when change
Shape schematic diagram；
In figure, marmem pull bar 1, steel coupling beam 2, main structural member 3, main structural member end plate 4, positive stop key 5, anchor
Gu plate 6, anchor 7, coupling beam end plate 8.
Embodiment
The present invention is made with specific embodiment below in conjunction with the accompanying drawings into once describing in detail.
As shown in figure 1, a kind of Self-resetting steel coupling beam system of use marmem pull bar of the invention, by steel coupling beam 2
Constituted with marmem pull bar 1, the steel coupling beam 2 is between the main structural member 3 of required connection, the shape memory
Alloy pull bar 1 runs through the total length of steel coupling beam 2, and two ends are anchored on the main structural member 3 that steel coupling beam 2 is connected.
The marmem pull bar 2 applies pretension before anchoring, after anchoring, and the pretension will make steel coupling beam 2
Precompression is formed between connected main structural member 3.The two ends of marmem pull bar 1 can be designed to screw thread shape
Formula, applies prestressing force by the way of bolt is fastened, and can also use special anchor 7.
Without directly welding or bolt connection between the steel coupling beam 2 and the main structural member 3 at two ends, precompression is fully relied on
Keep the contact connection of interface.
Under design earthquake load, hyperelastic deformation will occur for marmem pull bar 1, and steel coupling beam 2 is local except end
Elastic stage is completely in outside contact site, gap, such as Fig. 2 are will appear between steel coupling beam 2 and its main structural member connected 3
Shown, after load disappearance, the gap between steel coupling beam 2 and its main structural member connected 3 will be eliminated, whole coupling beam system
Reset to original state, no global residual deformation.
The two ends of marmem pull bar 1 are anchored on the anchor plate 6 on main structural member 3, anchor plate 6
Position can be determined according to the length of marmem pull bar 1, when the length of marmem pull bar 1 is smaller, also may be used
Directly it is anchored on main structural member end plate 4.
The section selection of the steel coupling beam 2 needs to ensure that coupling beam reaches that maximum can be recovered to answer in marmem pull bar 1
Generally in elastic stage in addition to the localized contact stress concentration position of end during power.
The length selection of the marmem pull bar 1 needs to ensure that it should under the coupling beam corner deformation of design requirement
Become in recoverable scope, the selection in the section of marmem pull bar 1 needs to ensure the pull bar under design load
Stress level be in recoverable scope in.
Positive stop key 5 can be welded with respectively by being located at coupling beam top and the position of low side on the end plate of main structural member 3, to prevent
Coupling beam vertically slides.
Preferably, the marmem pull bar 1 is symmetrically arranged in the altitude range of coupling beam.
1st, the selection of marmem pull bar 1.As shown in figure 1, the length of the steel coupling beam 2 is e, main structural member end
The height of plate 4 is h, and the length when marmem pull bar 1 is installed is l.As shown in Fig. 2 the use shape note
The design corner for recalling the Self-resetting steel coupling beam system of alloy pull bar 1 is γd, it is required according to geometrical relationship and the equilibrium relation of power
The length l and sectional area A of marmem pull bar 1 can be estimated by formula below respectively：
Wherein, ε0And εuThe respectively initial strain of marmem pull bar 1 and maximum recoverable strain, n remembers for shape
Recall the quantity of alloy pull bar 1, VnSheared for the nominal design of steel coupling beam 2, σyFor the yield stress of marmem pull bar 1.
2nd, the section selection of steel coupling beam 2.To ensure that steel coupling beam 2 removes end localized contact stress concentration portion under design load
Position is outer generally in elastic stage, its cross-section elasticities shearing strength VeWith elastic bending strength MeIt is respectively smaller than equal to shape memory
Alloy pull bar 1 reaches that maximum can recovery stress σuWhen coupling beam shear VuWith coupling beam moment Mu, VuAnd MuIt can be estimated by below equation
Calculate：
3rd, the assembling of structure.After after the installation of main structural member 3, steel coupling beam 2 is lifted to design attitude, is held on down
On the positive stop key 5 of side, marmem pull bar 1 is then passed through into coupling beam end plate 8, main structural member end plate 4 and anchor plate 6,
Marmem pull bar 1 is fixed on by anchor plate 6 using special nut and the pretension specified is fastened to, in shape memory
Steel coupling beam 2 is combined together with the precompressed of main structural member 3 in the presence of the pretension of alloy pull bar 1.
Claims (6)
1. the Self-resetting steel coupling beam system of a kind of use marmem pull bar, it is characterised in that remembered by steel coupling beam and shape
Recall alloy pull bar composition, the marmem pull bar runs through the total length of steel coupling beam, and two ends are anchored in what steel coupling beam was connected
On main structural member；Under design earthquake load, hyperelastic deformation will occur for marmem pull bar, and steel coupling beam is except end office
Elastic stage is completely in outside portion contact site, gap is will appear between steel coupling beam and its main structural member connected, in lotus
Carry after disappearing, the gap between steel coupling beam and its main structural member connected will be eliminated, and whole coupling beam system is reset to initially
State, no global residual deformation.
2. as claimed in claim 1 using the Self-resetting steel coupling beam system of marmem pull bar, it is characterised in that described
Marmem pull bar applies pretension before anchoring, after anchoring, and the pretension will make the connected main knot of steel coupling beam
Precompression is formed between structure component.
3. as claimed in claim 2 using the Self-resetting steel coupling beam system of marmem pull bar, it is characterised in that described
Without directly welding or bolt connection between steel coupling beam and the main structural member at two ends, fully rely on pre- described in claim 2
Pressure keeps the contact connection of interface.
4. as claimed in claim 1 using the Self-resetting steel coupling beam system of marmem pull bar, it is characterised in that described
Marmem pull bar is symmetrically arranged in the altitude range of coupling beam.
5. as claimed in claim 1 using the Self-resetting steel coupling beam system of marmem pull bar, it is characterised in that described
Marmem pull bar two ends are anchored on the anchor plate on main structural member, or are directly anchored in main structural member
On end plate.
6. as claimed in claim 1 using the Self-resetting steel coupling beam system of marmem pull bar, it is characterised in that described
The two ends of marmem pull bar are designed to thread forms, and prestressing force is applied by the way of bolt is fastened.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510534481.9A CN105155712B (en) | 2015-08-27 | 2015-08-27 | A kind of Self-resetting steel coupling beam system of use marmem pull bar |
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| CN201510534481.9A CN105155712B (en) | 2015-08-27 | 2015-08-27 | A kind of Self-resetting steel coupling beam system of use marmem pull bar |
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| CN105155712A CN105155712A (en) | 2015-12-16 |
| CN105155712B true CN105155712B (en) | 2017-09-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894574B (en) * | 2017-03-28 | 2023-03-10 | 华侨大学 | Beam type member with self-resetting function |
| CN107448044B (en) * | 2017-03-29 | 2023-05-23 | 华南理工大学 | Self-resetting shape memory alloy damper and assembly method thereof |
| CN108972862A (en) * | 2018-07-28 | 2018-12-11 | 武汉理工大学 | A kind of preparation method of superelastic alloy local enhancement antidetonation self-repair concrete beam |
| CN112523378B (en) * | 2020-12-23 | 2022-03-18 | 东南大学 | Self-resetting energy-consuming steel beam capable of eliminating frame expansion effect and construction method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100671429B1 (en) * | 2005-12-28 | 2007-01-19 | 주식회사 포스코건설 | Horizontal supporting structure of shear wall |
| CN102758499A (en) * | 2012-07-05 | 2012-10-31 | 北京工业大学 | Precast prestressed steel girder with post-seismic restorable function |
| CN103088917A (en) * | 2013-02-05 | 2013-05-08 | 北京建筑工程学院 | Novel prefabricate prestressed steel frame structure system with post-earthquake self-reset function |
| CN103216010A (en) * | 2013-03-28 | 2013-07-24 | 同济大学 | Steel pipe column-H-shaped beam joint adopting shape memory alloy bolts |
| CN103696498A (en) * | 2013-12-19 | 2014-04-02 | 北京工业大学 | Novel post-earthquake easy-to-repair steel irregular column- center support |
| CN103924668A (en) * | 2014-04-29 | 2014-07-16 | 东南大学 | Post-tensioning prestress type self-centering steel frame structure |
| CN204298978U (en) * | 2014-12-04 | 2015-04-29 | 郭小康 | Two rank power consumption steel coupling beam |
| CN204456499U (en) * | 2015-02-10 | 2015-07-08 | 山东萌山钢构工程有限公司 | The housing construction of a kind of antidetonation fire preventing steel structure |
| CN104831826A (en) * | 2015-04-30 | 2015-08-12 | 东南大学 | Lap-jointed self-centering buckling-restrained brace |
-
2015
- 2015-08-27 CN CN201510534481.9A patent/CN105155712B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100671429B1 (en) * | 2005-12-28 | 2007-01-19 | 주식회사 포스코건설 | Horizontal supporting structure of shear wall |
| CN102758499A (en) * | 2012-07-05 | 2012-10-31 | 北京工业大学 | Precast prestressed steel girder with post-seismic restorable function |
| CN103088917A (en) * | 2013-02-05 | 2013-05-08 | 北京建筑工程学院 | Novel prefabricate prestressed steel frame structure system with post-earthquake self-reset function |
| CN103216010A (en) * | 2013-03-28 | 2013-07-24 | 同济大学 | Steel pipe column-H-shaped beam joint adopting shape memory alloy bolts |
| CN103696498A (en) * | 2013-12-19 | 2014-04-02 | 北京工业大学 | Novel post-earthquake easy-to-repair steel irregular column- center support |
| CN103924668A (en) * | 2014-04-29 | 2014-07-16 | 东南大学 | Post-tensioning prestress type self-centering steel frame structure |
| CN204298978U (en) * | 2014-12-04 | 2015-04-29 | 郭小康 | Two rank power consumption steel coupling beam |
| CN204456499U (en) * | 2015-02-10 | 2015-07-08 | 山东萌山钢构工程有限公司 | The housing construction of a kind of antidetonation fire preventing steel structure |
| CN104831826A (en) * | 2015-04-30 | 2015-08-12 | 东南大学 | Lap-jointed self-centering buckling-restrained brace |
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