CN205677328U - The diamond-shaped cross-section two-stage surrenders anti-buckling support - Google Patents

The diamond-shaped cross-section two-stage surrenders anti-buckling support Download PDF

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Publication number
CN205677328U
CN205677328U CN201620546527.9U CN201620546527U CN205677328U CN 205677328 U CN205677328 U CN 205677328U CN 201620546527 U CN201620546527 U CN 201620546527U CN 205677328 U CN205677328 U CN 205677328U
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CN
China
Prior art keywords
stiffener
plate
sleeve
central layer
diamond
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Expired - Fee Related
Application number
CN201620546527.9U
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Chinese (zh)
Inventor
刘晓倩
李亮
陈军武
周天华
聂少锋
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Changan University
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Changan University
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Publication of CN205677328U publication Critical patent/CN205677328U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of diamond-shaped cross-section two-stage anti-buckling support of surrender, including outer sleeve, internal central layer, first end stiffener, the second end stiffener, the 3rd end stiffener plate, the 4th end stiffener plate, the first stiffener and the second stiffener, this support has excellent ductility and energy dissipation capacity, after there is flexing, Stiffness Deterioration is relatively slow, and after surrender, displacement is less.

Description

The diamond-shaped cross-section two-stage surrenders anti-buckling support
Technical field
This utility model belongs to architectural energy consumption cushion technique field, relates to a kind of diamond-shaped cross-section two-stage and surrenders anti-buckling Support.
Background technology
The anti-buckling support of tradition is mainly made up of internal core, external constraint component and soap-free emulsion polymeization slip flow regime, has both Conventional steel brace and the function of metal energy-dissipation damper.During severe earthquake action there is not flexing in anti-buckling support, has excellent consumption Energy ability and ductility, significantly reduce the seismic Damage of agent structure.
The anti-buckling constraint support of tradition has girder steel and steel column in obvious yield deformation and overall structure all to keep elastic shape State, structure lateral resistant ability is preferable.
But Stiffness Deterioration is serious after system bracing members generation flexing, buckling restrained brace surrenders not that flexing and rigidity will not be serious Degenerate.
Additionally, traditional anti-buckling support yield displacement is relatively big, it is arranged in xoncrete structure or Steel-concrete Composite Time middle, it is difficult to first surrender the seismic energy that dissipates occurred before concrete component ftractures.
Utility model content
The purpose of this utility model is the shortcoming overcoming above-mentioned prior art, it is provided that a kind of diamond-shaped cross-section two-stage bends Taking anti-buckling support, this support has excellent ductility and energy dissipation capacity simultaneously, and after there is flexing, Stiffness Deterioration is slower.
For reaching above-mentioned purpose, the diamond-shaped cross-section two-stage described in the utility model surrenders anti-buckling support and includes outer cover Pipe, internal central layer, first end stiffener, the second end stiffener, the 3rd end stiffener plate, the 4th end stiffener plate, first Stiffener and the second stiffener;
Outer sleeve is socketed on the middle part of internal central layer, the lower surface of first end stiffener and the second end stiffener Upper surface is individually fixed on the upper surface on the left of internal central layer and lower surface, the right side of first end stiffener and the second end The right side of stiffener is all inserted in outer sleeve, the lower surface of the 3rd end stiffener plate and the upper surface of the 4th end stiffener plate It is individually fixed on the upper surface on the right side of internal central layer and lower surface, the left side of the 3rd end stiffener plate and the 4th end stiffener plate Left side be all inserted in outer sleeve, in the first stiffener and the externally-located sleeve pipe of the second stiffener, under the first stiffener The upper surface of end face and the second stiffener is individually fixed on the upper surface in the middle part of internal central layer and lower surface, and the first stiffener Two ends, left and right respectively and have gap between first end stiffener and the 3rd end stiffener plate, the two ends, left and right of the second stiffener Respectively and between the second end stiffener and the 4th end stiffener plate, have gap, the upper surface of first end stiffener, the second end The lower surface of portion's stiffener, the upper surface of the 3rd end stiffener plate, the lower surface of the 4th end stiffener plate, the first stiffener upper The lower surface of end face and the second stiffener all contacts with the inwall of outer sleeve;
The cross section of described outer sleeve is diamond structure, and internal central layer divides along a diagonal of described diamond structure Cloth, first end stiffener, the second end stiffener, the 3rd end stiffener plate, the 4th end stiffener plate, the first stiffener and Two stiffeners are all distributed along another diagonal of described diamond structure.
Internal central layer and first end stiffener, the second end stiffener, the 3rd end stiffener plate, the 4th end stiffener All welded mutually by angle welding between plate, the first stiffener and the second stiffener.
First end stiffener, the second end stiffener, the 3rd end stiffener plate and the 4th end stiffener plate are by first Steel plate, the second steel plate and the 3rd steel plate are welded successively, and wherein, the first steel plate and the second steel plate are rectangle structure, the Two steel plates are trapezium structure, in the second externally-located sleeve pipe of steel plate;
The lower surface of the first steel plate in first end stiffener and the 3rd end stiffener plate, the lower surface of the second steel plate, The lower surface of three steel plates is both secured on the upper surface of internal central layer, in first end stiffener and the 3rd end stiffener plate the 3rd The upper surface of steel plate contacts with the inwall of outer sleeve;
The upper surface of the first steel plate, the upper surface of the second steel plate and in the second end stiffener and the 4th end stiffener plate The upper surface of three steel plates is both secured on the lower surface of internal central layer, in the second end stiffener and the 4th end stiffener plate the 3rd The lower surface of steel plate all contacts with the inwall of outer sleeve.
Internal central layer, first end stiffener, the second end stiffener, the 3rd end stiffener plate, the 4th end stiffener plate, The material of the first stiffener and the second stiffener is LY100 steel;
The material of outer sleeve is Q235 steel.
The thickness of first end stiffener is different from the thickness of the second end stiffener.
The thickness of the 3rd end stiffener plate and the thickness of the 4th end stiffener plate are different.
This utility model has the advantages that
The diamond-shaped cross-section two-stage described in the utility model surrender anti-buckling support include outer sleeve, internal central layer, the One end stiffener, the second end stiffener, the 3rd end stiffener plate, the 4th end stiffener plate, the first stiffener and second add Strength plate, the internal middle part of central layer, one end of first end stiffener, one end of the second end stiffener, the 3rd end stiffener plate One end, one end of the 4th end stiffener plate, the first stiffener, the second stiffener be respectively positioned in outer sleeve, and first end Stiffener, the second end stiffener, the 3rd end stiffener plate, the 4th end stiffener plate, the first stiffener and the second stiffener are equal It is fixed on the surface of internal central layer and contacts with the inwall of outer sleeve, thus by first end stiffener, the second end Stiffener, the 3rd end stiffener plate, the 4th end stiffener plate, the first stiffener, the second stiffener and internal central layer are as entirety Common opposing supports the axial force being subject to.When there is surrender, the first stiffener adds with first end stiffener and the 3rd end Inside central layer between strength plate, between the second stiffener and the second end stiffener and the 4th end stiffener plate takes the lead in occurring to bend Clothes, then there is yield displacement phenomenon in other parts again, and when comparing traditional anti-buckling support generation surrender, constraint surrender section must Must total length all surrender, support yield displacement described in the utility model is less, and after generation flexing, Stiffness Deterioration is relatively slow, with Time make to be supported on and take the lead in surrendering dissipation seismic energy before agent structure is destroyed, thus be effectively protected supportive body structure, Support ductility and energy dissipation capacity are higher.When engineering design, can be by adjusting the first stiffener and first end stiffener and the Between between gap length, the second stiffener and the second end stiffener and the 4th end stiffener plate between three end stiffener plates Gap length controls the yield displacement supported, it is achieved agent structure destroys the design object of the surrender that takes the lead in.
Accompanying drawing explanation
Fig. 1 is top view of the present utility model;
Fig. 2 is the sectional view in A-A direction in Fig. 1;
Fig. 3 is the sectional view in B-B direction in Fig. 1;
Fig. 4 is internal central layer 2 and first end stiffener 3, the second end stiffener the 4, the 3rd end in this utility model Stiffener the 7, the 4th end stiffener plate the 8, first stiffener 5 and the location diagram of the second stiffener 6.
Wherein, 1 it is outer sleeve, 2 is internal central layer, 3 is first end stiffener, 4 is the second end stiffener, 5 is First stiffener, 6 be the second stiffener, 7 be the 3rd end stiffener plate, 8 be the 4th end stiffener plate.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail:
With reference to Fig. 2, Fig. 3 and Fig. 4, the diamond-shaped cross-section two-stage described in the utility model surrenders anti-buckling support and includes outside Sleeve pipe 1, internal central layer 2, first end stiffener 3, the second end stiffener the 4, the 3rd end stiffener plate the 7, the 4th end stiffener Plate the 8, first stiffener 5 and the second stiffener 6;Outer sleeve 1 is socketed on the middle part of internal central layer 2, first end stiffener 3 The upper surface of lower surface and the second end stiffener 4 is individually fixed on the upper surface on the left of internal central layer 2 and lower surface, and first The right side of end stiffener plate 3 and the right side of the second end stiffener 4 are all inserted in outer sleeve 1, the 3rd end stiffener plate 7 The upper surface of lower surface and the 4th end stiffener plate 8 is individually fixed on the upper surface on the right side of internal central layer 2 and lower surface, and the 3rd The left side of end stiffener plate 7 and the left side of the 4th end stiffener plate 8 are all inserted in outer sleeve 1, the first stiffener 5 and second In the externally-located sleeve pipe of stiffener 61, the lower surface of the first stiffener 5 and the upper surface of the second stiffener 6 are individually fixed in inside On upper surface in the middle part of central layer 2 and lower surface, and the two ends, left and right of the first stiffener 5 respectively with first end stiffener 3 and Have gap between three end stiffener plates 7, the two ends, left and right of the second stiffener 6 respectively with the second end stiffener 4 and the 4th end Gap, the upper surface of first end stiffener 3, the lower surface of the second end stiffener 4, the 3rd end is had to add between stiffener 8 The upper surface of strength plate 7, the lower surface of the 4th end stiffener plate 8, the upper surface of the first stiffener 5 and the lower end of the second stiffener 6 Face all inwalls with outer sleeve 1 contact;The cross section of described outer sleeve 1 is diamond structure, and internal central layer 2 is along described Pedicellus et Pericarpium Trapae One diagonal distribution of shape structure, first end stiffener 3, the second end stiffener the 4, the 3rd end stiffener plate the 7, the 4th end Portion's stiffener the 8, first stiffener 5 and the second stiffener 6 are all distributed along another diagonal of described diamond structure, it is possible to pass through Outer sleeve 1 to first end stiffener 3, the second end stiffener 4, the 3rd end stiffener plate 7, the 4th end stiffener plate 8, One stiffener 5 and the second stiffener 6 carry out spacing, thus effectively improve the bearing capacity of support.
It should be noted that internal central layer 2 and first end stiffener 3, the second end stiffener the 4, the 3rd end stiffener All welded mutually by angle welding between plate the 7, the 4th end stiffener plate the 8, first stiffener 5 and the second stiffener 6;First end adds Strength plate 3, the second end stiffener the 4, the 3rd end stiffener plate 7 and the 4th end stiffener plate 8 by the first steel plate, the second steel plate and 3rd steel plate is welded successively, and wherein, the first steel plate and the second steel plate are rectangle structure, and the second steel plate is trapezoidal knot Structure, in the second externally-located sleeve pipe of steel plate 1;The lower end of the first steel plate in first end stiffener 3 and the 3rd end stiffener plate 7 Face, the lower surface of the second steel plate, the lower surface of the 3rd steel plate are both secured on the upper surface of internal central layer 2, and first end is put more energy into In plate 3 and the 3rd end stiffener plate 7, the upper surface of the 3rd steel plate contacts with the inwall of outer sleeve 1;The second end stiffener 4 And the upper surface of the 4th upper surface of the first steel plate in end stiffener plate 8, the upper surface of the second steel plate and the 3rd steel plate is the most fixing On the lower surface of internal central layer 2, in the second end stiffener 4 and the 4th end stiffener plate 8 lower surface of the 3rd steel plate all with The inwall of outer sleeve 1 contacts.
It addition, internal central layer 2, first end stiffener 3, the second end stiffener the 4, the 3rd end stiffener plate the 7, the 4th end The material of portion's stiffener the 8, first stiffener 5 and the second stiffener 6 is LY100 steel;The material of outer sleeve 1 is Q235 steel Material;The thickness of first end stiffener 3 is different from the thickness of the second end stiffener 4;The thickness of the 3rd end stiffener plate 7 and The thickness of four end stiffener plates 8 is different.
Implementation process of the present utility model is:
1) first add by design requirement processing and fabricating outer sleeve 1, internal central layer 2, first end stiffener 3, the second end Strength plate the 4, the 3rd end stiffener plate the 7, the 4th end stiffener plate the 8, first stiffener 5 and the second stiffener 6;2) by the first stiffener 5 and the second form composition cross-shaped profile steel structure by angle welding of stiffener 6 and internal central layer 2;3) by inside central layer 2 and One end stiffener 3, the second end stiffener the 4, the 3rd end stiffener plate 7 and the 4th end stiffener plate 8 shape by angle welding Formula is welded into cross-shaped profile steel structure;4) outer sleeve 1 is socketed in above-mentioned two cross-shaped steel structure.
With reference to Fig. 1, segmentation of the present utility model surrender principle is: internal central layer 2 and first end stiffener the 3, second end Portion's stiffener the 4, the 3rd end stiffener plate the 7, the 4th end stiffener plate the 8, first stiffener 5 and the second stiffener 6 all use low bending Clothes point steel LY100, yield strength fy=80~120Mpa, tensile strength fu=200~300Mpa, strong flexor ratio=1.67~ 3.75;l1For node area, l2For changeover portion, l3And l5For constraint surrender section, l4For without constraint surrender section, node area l1Pass through transition Section l2With constraint surrender section l3Form stress entirety and ensure that support stress is complete.When unconfinement surrenders section l4After entering strain, Its ultimate bearing capacity Fu,4=(1.67~3.75) Fy,4;When unconfinement surrenders section l4Ultimate bearing capacity Fu,4More than constraint surrender Section l3And l5Surrender bearing capacity Fy,3And Fy,5(i.e. fuA4>fyA3=fyA5) time, along with the increase of axle power F retrains surrender section l3And l5The surrender of 2nd stage will occur.
This utility model is loading the starting stage, and each parts axial deformation is inconspicuous, along with the increase of Cyclic Loading, supports Can all occur that notable tensile and compress deforms, wherein, unconfinement surrender section l4Surrender is first occurred to carry out energy-dissipating and shock-absorbing, other Parts are surrendered again, destroy until supporting, and first the unconfinement surrender section under therefore this is supported on axle power effect occurs Surrender, reduces its yield displacement, in order to supports can take the lead in before agent structure is destroyed surrender the seismic energy that dissipates, is equivalent to " electric fuse " equally, plays the effect of protection agent structure.

Claims (6)

1. a diamond-shaped cross-section two-stage surrenders anti-buckling support, it is characterised in that include outer sleeve (1), internal central layer (2), first end stiffener (3), the second end stiffener (4), the 3rd end stiffener plate (7), the 4th end stiffener plate (8), First stiffener (5) and the second stiffener (6);
Outer sleeve (1) is socketed on the middle part of internal central layer (2), and lower surface and the second end of first end stiffener (3) add The upper surface of strength plate (4) is individually fixed on upper surface and the lower surface in internal central layer (2) left side, first end stiffener (3) Right side and the right side of the second end stiffener (4) be all inserted in outer sleeve (1), the lower end of the 3rd end stiffener plate (7) The upper surface of face and the 4th end stiffener plate (8) is individually fixed on upper surface and the lower surface on internal central layer (2) right side, and the 3rd The left side of end stiffener plate (7) and the left side of the 4th end stiffener plate (8) are all inserted in outer sleeve (1), the first stiffener (5) and in the second stiffener (6) externally-located sleeve pipe (1), the lower surface of the first stiffener (5) and the second stiffener (6) upper End face is individually fixed on upper surface and the lower surface at internal central layer (2) middle part, and the two ends, left and right of the first stiffener (5) are respectively And having gap between first end stiffener (3) and the 3rd end stiffener plate (7), the two ends, left and right of the second stiffener (6) are respectively And there is gap between the second end stiffener (4) and the 4th end stiffener plate (8), the upper surface of first end stiffener (3), The lower surface of two end stiffener plates (4), the upper surface of the 3rd end stiffener plate (7), the lower surface of the 4th end stiffener plate (8), The upper surface of the first stiffener (5) and the lower surface of the second stiffener (6) all inwalls with outer sleeve (1) contact;
The cross section of described outer sleeve (1) is diamond structure, and internal central layer (2) is divided along a diagonal of described diamond structure Cloth, first end stiffener (3), the second end stiffener (4), the 3rd end stiffener plate (7), the 4th end stiffener plate (8), One stiffener (5) and the second stiffener (6) are all distributed along another diagonal of described diamond structure.
The diamond-shaped cross-section two-stage the most according to claim 1 surrenders anti-buckling support, it is characterised in that internal central layer (2) With first end stiffener (3), the second end stiffener (4), the 3rd end stiffener plate (7), the 4th end stiffener plate (8), All welded mutually by angle welding between one stiffener (5) and the second stiffener (6).
The diamond-shaped cross-section two-stage the most according to claim 1 surrenders anti-buckling support, it is characterised in that first end is put more energy into Plate (3), the second end stiffener (4), the 3rd end stiffener plate (7) and the 4th end stiffener plate (8) by the first steel plate, second Steel plate and the 3rd steel plate are welded successively, and wherein, the first steel plate and the second steel plate are rectangle structure, and the second steel plate is ladder Shape structure, in the externally-located sleeve pipe of the second steel plate (1);
The lower surface of the first steel plate in first end stiffener (3) and the 3rd end stiffener plate (7), the lower surface of the second steel plate, The lower surface of the 3rd steel plate is both secured on the upper surface of internal central layer (2), first end stiffener (3) and the 3rd end stiffener In plate (7), the upper surface of the 3rd steel plate contacts with the inwall of outer sleeve (1);
The upper surface of the first steel plate in the second end stiffener (4) and the 4th end stiffener plate (8), the upper surface of the second steel plate and The upper surface of the 3rd steel plate is both secured on the lower surface of internal central layer (2), the second end stiffener (4) and the 4th end stiffener In plate (8), the lower surface of the 3rd steel plate all inwalls with outer sleeve (1) contact.
The diamond-shaped cross-section two-stage the most according to claim 1 surrenders anti-buckling support, it is characterised in that
Internal central layer (2), first end stiffener (3), the second end stiffener (4), the 3rd end stiffener plate (7), the 4th end The material of portion's stiffener (8), the first stiffener (5) and the second stiffener (6) is LY100 steel;
The material of outer sleeve (1) is Q235 steel.
The diamond-shaped cross-section two-stage the most according to claim 1 surrenders anti-buckling support, it is characterised in that first end is put more energy into The thickness of plate (3) is different from the thickness of the second end stiffener (4).
The diamond-shaped cross-section two-stage the most according to claim 1 surrenders anti-buckling support, it is characterised in that the 3rd end stiffener The thickness of plate (7) and the thickness of the 4th end stiffener plate (8) are different.
CN201620546527.9U 2016-06-07 2016-06-07 The diamond-shaped cross-section two-stage surrenders anti-buckling support Expired - Fee Related CN205677328U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620546527.9U CN205677328U (en) 2016-06-07 2016-06-07 The diamond-shaped cross-section two-stage surrenders anti-buckling support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620546527.9U CN205677328U (en) 2016-06-07 2016-06-07 The diamond-shaped cross-section two-stage surrenders anti-buckling support

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106401253A (en) * 2016-06-07 2017-02-15 长安大学 Rhombic-section two-stage yield buckling preventing support
CN106567324A (en) * 2016-11-11 2017-04-19 北京工业大学 All-steel self-restoring buckling-restrained brace based on disc spring

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106401253A (en) * 2016-06-07 2017-02-15 长安大学 Rhombic-section two-stage yield buckling preventing support
CN106401253B (en) * 2016-06-07 2018-12-28 长安大学 The diamond-shaped cross-section two-stage surrenders anti-buckling support
CN106567324A (en) * 2016-11-11 2017-04-19 北京工业大学 All-steel self-restoring buckling-restrained brace based on disc spring
CN106567324B (en) * 2016-11-11 2018-06-19 北京工业大学 A kind of all steel self reset curvature-prevention support based on disc spring

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161109

Termination date: 20170607

CF01 Termination of patent right due to non-payment of annual fee