CN203361395U - Buckling restrained energy dissipation brace - Google Patents
Buckling restrained energy dissipation brace Download PDFInfo
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- CN203361395U CN203361395U CN 201320428556 CN201320428556U CN203361395U CN 203361395 U CN203361395 U CN 203361395U CN 201320428556 CN201320428556 CN 201320428556 CN 201320428556 U CN201320428556 U CN 201320428556U CN 203361395 U CN203361395 U CN 203361395U
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- Prior art keywords
- buckling
- steel
- inner core
- restrained energy
- energy dissipation
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Abstract
The utility model discloses a buckling restrained energy dissipation brace which is composed of an external restrained component, a compound cross section inner core of fiber reinforced composite materials and steel and the like. The compound cross section inner core is formed by a steel component, fiber reinforced composite sheets sticked to portions or the entire outer surface of the steel component in length direction of the steel component, and fiber reinforced composite sheets sticked around spaced length or the entire length of the steel component in length direction of the steel component. The buckling restrained energy dissipation brace has the advantages that the energy dissipation inner core is stressed uniformly, is stable in buckling, and has some secondary stiffness, high load capacity, high energy dissipation capability and good fatigue resistance. The buckling restrained energy dissipation brace is simple in mechanism and easy to manufacture, install and maintain. The buckling restrained energy dissipation brace can be applied to concrete structures and steel structures of high-rise buildings and multi-story buildings and solve security problems of building structures under earthquakes.
Description
Technical field
The utility model belongs to the technical field of structural engineering in the civil engineering industry, relates to a kind of buckling-restrained energy-dissipation.
Background technology
From the material angle of confining part buckling-restrained energy-dissipation is classified, mainly be divided into that the concrete constraining anti-buckling energy-consumption supports, two kinds of all steel buckling-restrained energy-dissipations.Generally, these two kinds of buckling-restrained energy-dissipations all can reach surrender at the effect lower support inner core of larger pressure and pulling force, it has common support concurrently and consumes energy than high, has effectively overcome conventional steel brace the defects such as complete buckling, shock resistance deficiency easily occur.But buckling-restrained energy-dissipation commonly used has following shortcoming at present:
1. support the general steel member of all selecting low buckling strength of inner core, cause the later stage load-carrying properties of buckling-restrained energy-dissipation limited, simultaneously, energy dissipation capacity can not reach very high level;
2. for some buckling-restrained energy-dissipation, because outer confining part is inadequate to the constraint of inner core member, strain easily occurs inner core member concentrates, and then necking effect occurs, and occurs the inner core cripling while finally causing pressurized, the load-carrying properties that impact is supported;
3. support inner core and may have various defects (welding temperature stress, cutting temperature stress, fatigue crack etc.), carrying and the fatigue behaviour of buckling-restrained energy-dissipation all are affected.
The utility model content
technical problem:the utility model discloses a kind ofly can be applied in building frame construction, have energy consumption inner core stressed evenly, not the flexing unstability, certain secondary rigidity is arranged, the buckling-restrained energy-dissipation of the characteristics such as supporting capacity is high, energy dissipation capacity is strong, anti-fatigue performance is good.
technical scheme:buckling-restrained energy-dissipation of the present utility model, comprise fibre reinforced composites-steel compound section inner core and be positioned at fibre reinforced composites-inner core outside, steel compound section in order to retrain the outer confining part of inner core, fibre-reinforced plastics-steel compound section inner core comprises the steel member, along the vertical longitudinal fiber enhancing composite sheet arranged of steel member, the transverse fiber arranged along steel member lateral circular, strengthens composite sheet.
In the utility model, on the steel member longitudinally spaced a plurality of transverse fiber strengthen composite sheet.
In the utility model, outer confining part is steel member or combination member of steel tube concrete, and the cross sectional shape of outer confining part is rectangle, circle or square.
In the utility model, the steel element cross-section is shaped as rectangle, cross or circular.
In the utility model, longitudinal fiber strengthens composite sheet and transverse fiber enhancing composite sheet is fiber reinforced composite board or fiber-reinforced composite cloth.
beneficial effect:compared to the prior art the utility model, has the following advantages:
1. the inner core steel member stress of this utility model is even, supports inner core and is difficult to part and complete buckling occur, and stability of strutting system is better;
2. this utility model can effectively reduce the sensitiveness of support stress performance to inner core steel structure material defect (welding temperature stress, cutting temperature stress, fatigue crack etc.), makes the support stress performance more reliable;
3. the cross section of the buckling-restrained energy-dissipation of this utility model is compound section, support when stressed because the fibre-reinforced plastics of selecting has larger breaking strain and higher intensity, can after the steel plate surrender, continue bearing load, make to support to show certain secondary rigidity, thereby make, be supported with better load-carrying properties and energy-dissipating property;
4. the buckling-restrained energy-dissipation of this utility model has anti-fatigue performance preferably.
The accompanying drawing explanation
Fig. 1 is the overall diagram of the utility model buckling-restrained energy-dissipation;
Fig. 2 is the inner core composition diagram of the utility model buckling-restrained energy-dissipation;
Fig. 3 is the elevation of the inner core of the utility model buckling-restrained energy-dissipation;
Fig. 4 is A-A sectional view in Fig. 3
Fig. 5 is B-B sectional view in Fig. 3.
In figure, have: steel member 1, longitudinal fiber strengthens composite sheet 2, and transverse fiber strengthens composite sheet 3, fibre-reinforced plastics-steel compound section inner core 4, outer confining part 5.
The specific embodiment
Explain the technical solution of the utility model below with reference to accompanying drawing.
Buckling-restrained energy-dissipation of the present utility model, comprise fibre reinforced composites-steel compound section inner core 4 and be positioned at described fibre reinforced composites-inner core outside, steel compound section in order to retrain the outer confining part 5 of inner core; Wherein fibre-reinforced plastics-steel compound section inner core 4 comprises the transverse fiber enhancing composite sheet 3 that steel member 1, the longitudinal fiber vertically arranged along steel member 1 strengthen composite sheet 2, arrange along steel member 1 lateral circular.
In an embodiment of the present utility model, outer confining part 5 is square steel pipe, is of a size of the 150mm(length of side) * 6mm (thick) * 1100(is long), modulus of elasticity is 2.05 * 10
5mPa, yield strength is 200MPa ~ 400MPa.
In an embodiment of the present utility model, inner core steel plate 1 part is rectangle steel, is of a size of 176mm(wide) * 16mm (thick) * 1140(is long), modulus of elasticity is 2.05 * 10
5mPa, yield strength is 200MPa ~ 400MPa.。
In an embodiment of the present utility model, it is fiber reinforced composite board that the longitudinal fiber vertically arranged along steel member 1 strengthens composite sheet 2, double faced adhesive, it is wide that every side fibre reinforced composite sheet is of a size of 164() * 1mm(is thick), modulus of elasticity is 1.02 * 10
5mPa, breaking strength is 1000MPa ~ 3000MPa.
In an embodiment of the present utility model, it is fibre reinforced composites cloth that the transverse fiber arranged along steel member 1 lateral circular strengthens composite sheet 3, it is wide that fibre reinforced composites cloth is of a size of 50() * 1mm(is thick) * 3 (layers), spacing is 180mm, modulus of elasticity is 1.00 * 10
5mPa, breaking strength is 1000MPa ~ 3000MPa.。
In an embodiment of the present utility model, epoxy resin structural adhesive is all used in being connected between steel member 1 and the fibre reinforced composite sheet 3 vertically arranged along the steel member and the fibre reinforced composite sheet 2 that vertically arranges along steel member 1 and fibre reinforced composite sheet 3 along the setting of steel member lateral circular.
The fabrication and installation step of buckling-restrained energy-dissipation of the present utility model comprises:
1. definite buckling-restrained energy-dissipation need to be born bearing capacity and reach the requirement to its power consumption, the Modeling Calculation of Main Basis structural entity;
2. determine the kind, size, intensity of section form, sectional dimension, the FRP material of inner core steel plate etc., the load that the Main Basis buckling-restrained energy-dissipation need to be born, ductility and to the requirement of its power consumption;
3. the inner core cross section is processed to combination, be mainly in inner core steel component surface and paste FRP and hoop stickup FRP;
4. externally confining part is designed, and Main Basis core shape and about beam ratio are determined;
5. assembling compound section inner core and outer confining part form buckling-restrained energy-dissipation.
These are only embodiment of the present utility model, all equivalent structure transformations that utilizes the utility model manual and accompanying drawing content to do, or directly or indirectly be used in other relevant technical fields, include in scope of patent protection of the present utility model.
Claims (5)
1. a buckling-restrained energy-dissipation, it is characterized in that, this support comprises fibre reinforced composites-steel compound section inner core (4) and is positioned at described fibre reinforced composites-steel compound section inner core (4) outside in order to retrain the outer confining part (5) of inner core, and described fibre-reinforced plastics-steel compound section inner core (4) comprises steel member (1), along the vertical longitudinal fiber enhancing composite sheet (2) arranged of described steel member (1), the transverse fiber arranged along steel member (1) lateral circular, strengthens composite sheet (3).
2. buckling-restrained energy-dissipation as claimed in claim 1, is characterized in that, on described steel member (1) longitudinally spaced a plurality of transverse fiber strengthen composite sheet (3).
3. buckling-restrained energy-dissipation as claimed in claim 1, is characterized in that, described outer confining part (5) is steel member or combination member of steel tube concrete, and the cross sectional shape of outer confining part (5) is rectangle, circle or square.
4. buckling-restrained energy-dissipation as claimed in claim 1, is characterized in that, the shape of cross section of described steel member (1) is rectangle, cross or circular.
5. buckling-restrained energy-dissipation as claimed in claim 1, is characterized in that, described longitudinal fiber strengthens composite sheet (2) and transverse fiber enhancing composite sheet (3) is fiber reinforced composite board or fiber-reinforced composite cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320428556 CN203361395U (en) | 2013-07-19 | 2013-07-19 | Buckling restrained energy dissipation brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320428556 CN203361395U (en) | 2013-07-19 | 2013-07-19 | Buckling restrained energy dissipation brace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203361395U true CN203361395U (en) | 2013-12-25 |
Family
ID=49809182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320428556 Withdrawn - After Issue CN203361395U (en) | 2013-07-19 | 2013-07-19 | Buckling restrained energy dissipation brace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203361395U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334511A (en) * | 2013-07-19 | 2013-10-02 | 东南大学 | Anti-flection energy consumption support |
| CN105464238A (en) * | 2016-01-06 | 2016-04-06 | 河南理工大学 | Buckling constraint support internally provided with steel tube and externally covered with fiber pipe |
| CN108104563A (en) * | 2017-05-17 | 2018-06-01 | 大连大学 | The self-resetting method of anti-buckling support with double anti-unstability devices of torsion |
-
2013
- 2013-07-19 CN CN 201320428556 patent/CN203361395U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334511A (en) * | 2013-07-19 | 2013-10-02 | 东南大学 | Anti-flection energy consumption support |
| CN105464238A (en) * | 2016-01-06 | 2016-04-06 | 河南理工大学 | Buckling constraint support internally provided with steel tube and externally covered with fiber pipe |
| CN108104563A (en) * | 2017-05-17 | 2018-06-01 | 大连大学 | The self-resetting method of anti-buckling support with double anti-unstability devices of torsion |
| CN109025451A (en) * | 2017-05-17 | 2018-12-18 | 大连大学 | Double anti-unstability methods of torsion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20150603 |
|
| RGAV | Abandon patent right to avoid regrant |