CN205677329U - The anti-buckling support of square-section two-stage surrender - Google Patents
The anti-buckling support of square-section two-stage surrender Download PDFInfo
- Publication number
- CN205677329U CN205677329U CN201620547415.5U CN201620547415U CN205677329U CN 205677329 U CN205677329 U CN 205677329U CN 201620547415 U CN201620547415 U CN 201620547415U CN 205677329 U CN205677329 U CN 205677329U
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- stiffener
- plate
- end stiffener
- outer sleeve
- central layer
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Abstract
The utility model discloses the anti-buckling support of a kind of square-section two-stage 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
Technical field
The utility model belongs to architectural energy consumption cushion technique field, relates to a kind of square-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.There is not flexing in anti-buckling support during severe earthquake action, has excellent consumption
Energy ability and ductility, significantly reduce the seismic Damage of agent structure.
Tradition anti-buckling constraint support 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 that flexing and rigidity will not be not serious
Degenerate.
It additionally, traditional anti-buckling support yield displacement is relatively big, is arranged in xoncrete structure or Steel-concrete Composite
When middle, it is difficult to first surrender the seismic energy that dissipates occurred before concrete component cracking.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, provides a kind of square-section two-stage in the wrong
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 anti-buckling support of square-section described in the utility model two-stage surrender 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 there is gap between the second end stiffener and the 4th end stiffener plate;
The cross section of described outer sleeve is square structure, before and after internal central layer both ends of the surface respectively with outer sleeve before
The middle part of the middle part of side inner walls and trailing flank inwall contacts;The upper surface of first end stiffener, the 3rd end stiffener plate
Upper surface and the upper surface of the first stiffener all contact with the middle part of outer sleeve upper side inwall, the second end stiffener
Lower surface, the lower surface of the 4th end stiffener plate and the second stiffener lower surface all with in outer sleeve upper side inwall
Portion contacts.
Internal central layer and first end stiffener, the second end stiffener, the 3rd end stiffener plate, the 4th end stiffener
All welded by angle welding phase 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 middle part of outer sleeve upper side inwall;
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 middle part of outer sleeve downside inwall.
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 thickness of the 3rd end stiffener plate and the 4th end stiffener plate is different.
The utility model has the advantages that
The anti-buckling support of surrender of square-section described in the utility model two-stage 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 middle part of internal 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 passing through 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
Between strength plate, the inside central layer 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
When 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 between three end stiffener plates, the second stiffener and the second end stiffener and the 4th end stiffener plate
Gap length controls the yield displacement of support, it is achieved agent structure destroys the design object of the surrender that takes the lead in.
Brief description
Fig. 1 is front elevation of the present utility model;
Fig. 2 is the sectional view in A-A direction in Fig. 1;
Fig. 3 is internal central layer 2 and first end stiffener the 3rd, the second end stiffener the 4th, the 3rd end in the utility model
The location diagram of stiffener the 7th, the 4th end stiffener plate the 8th, the first stiffener 5 and the second stiffener 6;
Fig. 4 is tradition bracing members hysteresis loop figure;
Fig. 5 is hysteresis loop figure of the present utility model.
Wherein, it 1 is outer sleeve, 2 be internal central layer, 3 be first end stiffener, 4 be the second end stiffener, 5 be
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 the utility model is described in further detail:
With reference to Fig. 1, Fig. 2 and Fig. 3, the anti-buckling support of square-section described in the utility model two-stage surrender includes outside
Sleeve pipe the 1st, internal central layer the 2nd, first end stiffener the 3rd, the second end stiffener the 4th, the 3rd end stiffener plate the 7th, the 4th end stiffener
Plate the 8th, the 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 the right side of end stiffener plate 3 and the second end stiffener 4 is 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 the left side of end stiffener plate 7 and the 4th end stiffener plate 8 is 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
Having gap between stiffener 8, the cross section of described outer sleeve 1 is square structure, and before and after internal central layer 2, both ends of the surface are respectively
Contact with the middle part of outer sleeve 1 leading flank inwall and the middle part of trailing flank inwall;The upper surface of first end stiffener 3,
The upper surface of the upper surface of the 3rd end stiffener plate 7 and the first stiffener 5 all connects with the middle part of outer sleeve 1 upper side inwall
Touching, the lower surface of the lower surface of the second end stiffener 4, the lower surface of the 4th end stiffener plate 8 and the second stiffener 6 is all with outward
The middle part of parts casing pipe 1 upper side inwall contacts, and can be put more energy into first end stiffener the 3rd, the second end by outer sleeve 1
Plate the 4th, the 3rd end stiffener plate the 7th, the 4th end stiffener plate the 8th, the first stiffener 5 and the second stiffener 6 carry out spacing, thus effectively
Improve support bearing capacity.
It should be noted that internal central layer 2 and first end stiffener the 3rd, the second end stiffener the 4th, the 3rd end stiffener
The 8th, plate the 7th, the 4th end stiffener plate is all welded by angle welding phase between the first stiffener 5 and the second stiffener 6;First end adds
Strength plate the 3rd, the second end stiffener the 4th, 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 1 of steel plate;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 middle part of outer sleeve 1 upper side inwall;Second
In end stiffener plate 4 and the 4th end stiffener plate 8, the upper surface of the first steel plate, the upper surface of the second steel plate and the 3rd steel plate is upper
End face is both secured on the lower surface of internal central layer 2, the 3rd steel plate in the second end stiffener 4 and the 4th end stiffener plate 8
Lower surface all contacts with the middle part of outer sleeve 1 downside inwall.
In addition, internal central layer the 2nd, first end stiffener the 3rd, the second end stiffener the 4th, the 3rd end stiffener plate the 7th, the 4th end
The material of portion's stiffener the 8th, the 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 the 1st, internal central layer the 2nd, first end stiffener the 3rd, the second end
Strength plate the 4th, the 3rd end stiffener plate the 7th, the 4th end stiffener plate the 8th, the 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 the 3rd, the second end stiffener the 4th, the 3rd end stiffener plate 7 and the shape by angle welding for the 4th end stiffener plate 8
Formula is welded into cross-shaped profile steel structure;4) it is socketed on outer sleeve 1 in above-mentioned two cross-shaped steel structure.
With reference to Fig. 3, segmentation of the present utility model surrender principle is: internal central layer 2 and first end stiffener the 3rd, the second end
Portion's stiffener the 4th, the 3rd end stiffener plate the 7th, the 4th end stiffener plate the 8th, the 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 and integrally 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) when, with increase constraint surrender section l of axle power F3And
l5The surrender of 2nd stage will occur.
The utility model is loading the starting stage, and each parts axial deformation is inconspicuous, with the increase of Cyclic Loading, supports
Can all occur that notable tensile and compress deforms, wherein, unconfinement surrenders 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 that this is supported under axle power effect surrenders,
To support can take the lead in before agent structure is destroyed surrender the seismic energy that dissipates, being equivalent to " fuse " equally, playing protection
The effect of agent structure.
Claims (6)
1. a square-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 the left side of end stiffener plate (7) and the 4th end stiffener plate (8) is all inserted in outer sleeve (1), the first stiffener
(5) and in the externally-located sleeve pipe of the second stiffener (6) (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 cross section of described outer sleeve (1) is square structure, before and after internal central layer (2) both ends of the surface respectively with outer sleeve
(1) middle part of leading flank inwall and the middle part of trailing flank inwall contact;The upper surface of first end stiffener (3), the 3rd end
The upper surface of the upper surface of portion's stiffener (7) and the first stiffener (5) all connects with the middle part of outer sleeve (1) upper side inwall
Touch, the lower surface of the lower surface of the second end stiffener (4), the lower surface of the 4th end stiffener plate (8) and the second stiffener (6)
All contact with the middle part of outer sleeve (1) upper side inwall.
2. the anti-buckling support of square-section according to claim 1 two-stage surrender, 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 by angle welding phase between one stiffener (5) and the second stiffener (6).
3. the anti-buckling support of square-section according to claim 1 two-stage surrender, 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 second externally-located sleeve pipe (1) of steel plate;
The lower surface of the first steel plate in first end stiffener (3) and the 3rd end stiffener plate (7), the second steel plate lower surface,
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 middle part of outer sleeve (1) upper side inwall;
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 contacts with the middle part of outer sleeve (1) downside inwall.
4. the anti-buckling support of square-section according to claim 1 two-stage surrender, 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.
5. the anti-buckling support of square-section according to claim 1 two-stage surrender, 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).
6. the anti-buckling support of square-section according to claim 1 two-stage surrender, it is characterised in that the 3rd end stiffener
The thickness of the thickness of plate (7) and the 4th end stiffener plate (8) is different.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620547415.5U CN205677329U (en) | 2016-06-07 | 2016-06-07 | The anti-buckling support of square-section two-stage surrender |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620547415.5U CN205677329U (en) | 2016-06-07 | 2016-06-07 | The anti-buckling support of square-section two-stage surrender |
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Publication Number | Publication Date |
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CN205677329U true CN205677329U (en) | 2016-11-09 |
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ID=57434102
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CN201620547415.5U Expired - Fee Related CN205677329U (en) | 2016-06-07 | 2016-06-07 | The anti-buckling support of square-section two-stage surrender |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105927019A (en) * | 2016-06-07 | 2016-09-07 | 长安大学 | Square-section buckling-preventing support with two-stage yielding |
-
2016
- 2016-06-07 CN CN201620547415.5U patent/CN205677329U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105927019A (en) * | 2016-06-07 | 2016-09-07 | 长安大学 | Square-section buckling-preventing support with two-stage yielding |
CN105927019B (en) * | 2016-06-07 | 2018-05-18 | 长安大学 | The square-section two-stage surrenders anti-buckling support |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20170607 |