CN103410239A - Latticed anti-buckling supporting member provided with double T-shaped cores - Google Patents
Latticed anti-buckling supporting member provided with double T-shaped cores Download PDFInfo
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- CN103410239A CN103410239A CN2013103176773A CN201310317677A CN103410239A CN 103410239 A CN103410239 A CN 103410239A CN 2013103176773 A CN2013103176773 A CN 2013103176773A CN 201310317677 A CN201310317677 A CN 201310317677A CN 103410239 A CN103410239 A CN 103410239A
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Abstract
A latticed anti-buckling supporting member provided with double T-shaped cores is formed by connecting two anti-buckling branches through a plurality of steel lattice plates respectively, wherein each anti-buckling branch supporting member adopts a T-shaped core member and a rectangular restrained concrete filled steel tube; long edges of the two branches are arranged in parallel at an appropriate interval, the latticed member is formed by connecting a plurality of longitudinally distributed steel lattice plates, the steel lattice plates are in welded connection with short edges of the branches through trihedral fillet welds, and the edge of the branches are the short edges of the rectangular restrained steel tubes. Ends of the two T-shaped core members extend out of the rectangular restrained steel tubes, and a ribbed plate is welded between outwards extending plates of the two cores, so that an H-shaped section is formed and can be connected with a frame member through a high-strength bolt and a connecting plate. The latticed section can increase the inertia moment of a whole section of the anti-buckling supporting member and the whole anti-bending stiffness and is particularly suitable for the design of a large-tonnage anti-buckling supporting member, a supporting end and the frame member are conveniently connected, and the energy-consuming capacity of the branches can be fully exerted under the action of an additional eccentric bending moment.
Description
Technical field
The present invention relates to a kind of novel buckling-restrained energy-dissipation member, belong to technical field of structural engineering.
Technical background
Curvature-prevention support component generally is comprised of inner core component and peripheral constraint component two parts.Under little shake effect, the curvature-prevention support component kernel keeps elasticity, for agent structure provides enough anti-side rigidity; Under middle shake and large shake effect, kernel all can be surrendered by total cross-section under the tension and compression course under cyclic loading, and hysteresis loop is very full, and energy-dissipating and shock-absorbing, can provide sufficient protective effect to main body frame fully.Curvature-prevention support component has the double action of " power consumption " and " support " concurrently, and the energy-dissipating and shock-absorbing excellent performance, can be widely used in the reinforcing of newly-built structure and existing structure.So far, Japan existing surpass 300 buildings, the U.S. also have be no less than 30 build with built building in used curvature-prevention support component.In recent years, curvature-prevention support component in the mansion, Weisheng, Zhong Guan-cun of China, the heavy construction structure such as Beijing Yintai Centre, Shanghai World Expo center also starts to be applied.
The traditional type curvature-prevention support component generally adopts the global sections form, and inner core component generally adopts the steel of the high ductility of low-yield, standing " one " font plate or " ten " font combined member counted; Peripheral constraint component adopts in round steel pipe or square steel pipe fills with the compound section that concrete forms; The lateral expansion caused due to the steel poisson effect when preventing the inner core component pressurized is dead by plug, and inner core component separates with concrete, but and at the special non-cohesive material of inner core component surface application.But along with cross section kind growing on engineering need to the requirement of super large support force, traditional anti-buckling support of global sections formula has the following disadvantages: the sectional dimension of (1) large-tonnage curvature-prevention support component will certainly be done very greatly, its deadweight will be multiplied, and increase the cost of member processing and fabricating and transportation; (2) along with the increase of curvature-prevention support component deadweight, will bear larger geological process during earthquake, form vicious circle; During (3) due to installation, at the endpoint node place, inevitably form the reasons such as bias or node rigidly connect, the curvature-prevention support component in frame construction will bear certain additional bending moment.Research shows, the existence of this additional bending moment may cause curvature-prevention support component to destroy in advance, can not give full play to its energy dissipation capacity.
In order to address the above problem, the present invention proposes a kind of double T font kernel lattice curvature-prevention support component.This lattice curvature-prevention support component is formed by connecting by the some steel batten plates that vertically distribute along member by two anti-buckling minute limbs.Each minute, limb was T font kernel and concrete-filled rectangular steel tube restricted type curvature-prevention support component, and its inner core component is welded into the T shaped sections by the I-shaped low carbon steel plate of two high ductility of low-intensity; The restraining tube cross section is rectangular steel pipe, directly adopts light gauge cold-formed steel shape or adopts respectively four block plates to be welded to form, fluid concrete in rectangular steel pipe; The non-cohesive material that the inner core component external coating is special, retain certain interval to meet the requirement of inner core component pressurized swell increment between concrete and kernel steel plate.On two minor faces of minute limb, along the some steel batten plates of vertical welding of curvature-prevention support component, make two minutes limbs form whole co-operation.The T shaped sections kernel of two minutes limbs stretches out peripheral constraint component in end, is connected to form the H tee section by a floor, can with framing component, be connected by high-strength bolt and junction plate.
Advantage of the present invention mainly contains: (1) lattice cross section can increase moment of inertia and the whole bending rigidity of curvature-prevention support component global sections, improve the load-carrying efficiency supported, for the design of large-tonnage curvature-prevention support component, can reduce deadweight, for making, transportation and the installation etc. of member provide very big facility; (2) can adjust the distance between two anti-buckling minute limbs by the steel batten plate, make curvature-prevention support component obtain best stress performance; (3) the steel batten plate can be anti-buckling minute limb lateral support is provided, and then improves the monolithic stability bearing capacity of its minute limb; (4) although because the reasons such as setting-up eccentricity or node rigidly connect make curvature-prevention support component bear additional eccentric bending moment, a minute limb still be take and is subjected to axial compression as main, can give full play to its energy dissipation capacity; (5) supporting base end portion is connected to form the H tee section by two minutes limb T font kernels by floor, can with framing component, be connected easily by high-strength bolt and junction plate; (6) supplement kind and the connected mode of existing curvature-prevention support component, met the requirement of cross section kind needs with super large support force growing on the engineering.
Summary of the invention
The present invention proposes a kind of double T font kernel lattice curvature-prevention support component, aims to provide a kind of support energy dissipation component that possesses larger carrying tonnage, for structure provides the lateral resisting effect, and effectively power consumption under large shake effect.
A kind of double T font kernel lattice curvature-prevention support component, is characterized in that, this supporting member contains with lower member: T font inner core component, constraint rectangular steel pipe, non-cohesive material, steel batten plate, end floor, concrete;
Totally two of described T font inner core components, it is measure-alike, adopts the plain plate welding of two high ductility of low-intensity to form the T shaped sections, and inner core component external coating non-cohesive material, separate with the concrete of pouring into a mould in the constraint rectangular steel pipe;
Totally two of described constraint rectangular steel pipes, it is measure-alike, and length is less than the length of T font inner core component, directly adopts light gauge cold-formed steel shape, or adopts respectively four block plates to be welded to form.
Fluid concrete in described two constraint rectangular steel pipes.
Single T font inner core component, single constraint rectangular steel pipe and interior filling concrete form an anti-buckling minute limb, and the long parallel placement in limit of limb in two minutes also arranges suitable interval as required; Limb was connected to form latticed members by the some steel batten plates that vertically distribute along member in two minutes, as a whole co-operation.Described steel batten plate is welded to connect with a minute limb minor face (namely retraining the minor face of rectangular steel pipe), adopts the trihedral angle weld seam, and the steel batten plate is arranged symmetrically in two short brinks of minute limb.
This kind double T font kernel lattice curvature-prevention support component can adopt following way with being connected of framing component: the T font inner core component of two minutes limbs welds a floor between the overhanging plate of end, form the H tee section, on the overhanging plate of T font inner core component and floor, offer bolt hole, realize with being connected by junction plate and high-strength bolt of framing component.
The accompanying drawing explanation
Fig. 1 is the sectional view of described lattice curvature-prevention support component;
Fig. 2 is the lateral view of described lattice curvature-prevention support component;
Fig. 3 is the lateral view of described lattice curvature-prevention support component;
Fig. 4 is the cross section exploded view of T font inner core component;
Fig. 5 is the graphics of described lattice curvature-prevention support component;
Fig. 6 is the three-dimensional, exploded view of described lattice curvature-prevention support component;
Fig. 7 is the endpoint node schematic three dimensional views of described lattice curvature-prevention support component.
The specific embodiment
Below in conjunction with accompanying drawing 1～7, describe the specific embodiment of the present invention in detail.
As shown in Figures 1 to 3, a kind of double T font kernel lattice curvature-prevention support component comprises with lower member:
1---T font inner core component, totally two;
2---non-cohesive material;
3---constraint rectangular steel pipe, totally two;
4---concrete;
5---the steel batten plate;
6---the end floor;
As shown in Fig. 1,5,6, double T font kernel lattice curvature-prevention support component is formed by connecting by the some steel batten plates 5 that longitudinally distribute by two anti-buckling minute limbs; Each divides limb to be T font kernel and concrete-filled rectangular steel tube restricted type curvature-prevention support component, consists of T font inner core component 1, non-cohesive material 2, constraint rectangular steel pipe 3, interior filling concrete 4;
As shown in Figure 5,6, totally two of constraint rectangular steel pipes 3, its size is all identical, directly adopts light gauge cold-formed steel shape, or adopts respectively four block plates to be welded to form;
As shown in Figure 1, concrete perfusion 4 in two constraint rectangular steel pipes 3;
As shown in Figure 1, totally two of T font inner core components 1, it is measure-alike; As shown in Fig. 1,4, T font inner core component 1 is welded to form by in- line steel plate 7,8, in- line steel plate 7,8 adopts the high ductility steel of low-intensity, its external coating non-cohesive material 2, with the concrete 4 of constraint rectangular steel pipe 3 interior cast, separate, make between built-in concrete 4 and inner core component 1 to retain certain interval to meet the requirement of inner core component 1 pressurized swell increment;
As shown in Fig. 2,3,5,6, two long parallel placements in limit of anti-buckling minute limb also arrange suitable interval as required, and limb connected by the some steel batten plates 5 that longitudinally distribute in two minutes; Steel batten plate 5 is arranged symmetrically in constraint rectangular steel pipe 3 both sides, welds by the trihedral angle weld seam with the minor face of constraint rectangular steel pipe 3;
As shown in Fig. 2,3,7, T font inner core component 1 stretches out 3, two T font inner core components 1 of constraint rectangular steel pipe and is connected to form the H tee section by an end floor 6 in end, and the H tee section can be connected with framing component by high-strength bolt and junction plate; As shown in Figure 2,3, end floor 6 and 3 of rectangular steel pipes of constraint arrange certain interval g, when avoiding end floor 6 pressurized and anti-buckling minute limb come in contact.
Claims (4)
1. a double T font kernel lattice curvature-prevention support component, is characterized in that, this supporting member contains: T font inner core component, constraint rectangular steel pipe, non-cohesive material, steel batten plate, end floor, concrete; Totally two of described T font inner core components, it is measure-alike, and is welded into the T shaped sections by the I-shaped low carbon steel plate of two high ductility of low-intensity, at T font inner core component external coating non-cohesive material; Totally two of described constraint rectangular steel pipes, it is measure-alike, and length is less than the length of T font inner core component, directly adopts light gauge cold-formed steel shape, or adopts respectively four block plates to be welded to form.
2. curvature-prevention support component according to claim 1, it is characterized in that, described supporting member forms an anti-buckling minute limb by single T font inner core component, single constraint rectangular steel pipe and interior filling concrete, and the long parallel placement in limit of limb in two minutes also arranges suitable interval as required; Limb was connected to form latticed members by the some steel batten plates that longitudinally distribute in two minutes, as a whole co-operation.Described steel batten plate is arranged symmetrically with at two minor faces of minute limb, and it is welded to connect with a minute limb minor face (namely retraining the minor face of rectangular steel pipe), adopts the trihedral angle weld seam.
3. anti-buckling support according to claim 1, is characterized in that, concrete perfusion in the constraint rectangular steel pipe of described each minute limb.
4. anti-buckling support according to claim 1, it is characterized in that, the T font inner core component of described each minute limb stretches out the constraint rectangular steel pipe in end, floor of welding between the overhanging plate of two kernels, form the H tee section, on the overhanging plate of T font inner core component and floor, offer bolt hole, realize with being connected by high-strength bolt and junction plate of framing component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310317677.3A CN103410239B (en) | 2013-03-29 | 2013-07-26 | A kind of double T font kernel lattice curvature-prevention support component |
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| CN2013101089342 | 2013-03-29 | ||
| CN201310108934 | 2013-03-29 | ||
| CN201310108934.2 | 2013-03-29 | ||
| CN201310317677.3A CN103410239B (en) | 2013-03-29 | 2013-07-26 | A kind of double T font kernel lattice curvature-prevention support component |
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| CN103410239A true CN103410239A (en) | 2013-11-27 |
| CN103410239B CN103410239B (en) | 2016-06-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758241A (en) * | 2014-01-03 | 2014-04-30 | 清华大学 | All-fabricated lattice buckling restrained brace |
| CN103758242A (en) * | 2014-01-03 | 2014-04-30 | 清华大学 | All-steel-lattice buckling restrained brace |
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| JP2000186372A (en) * | 1998-12-22 | 2000-07-04 | Nippon Steel Corp | Buckling constraining brace member and its manufacture |
| JP2001227192A (en) * | 1999-06-30 | 2001-08-24 | Nippon Steel Corp | Axially yielding elasto-plastic hysteresis brace and damping steel structure |
| TWM303938U (en) * | 2005-05-04 | 2007-01-01 | Chao-Hung Cheng | Buckling-constrained stiff support for velocity device |
| CN201593250U (en) * | 2010-02-04 | 2010-09-29 | 中国建筑科学研究院 | Single-pipe double-core buckling-restrained brace with diaphragm |
| CN201809994U (en) * | 2010-04-02 | 2011-04-27 | 陈云 | Super-elastic buckling-restrained energy-dissipation brace |
| CN102051927A (en) * | 2010-12-14 | 2011-05-11 | 姚攀峰 | Parallel buckling restrained brace structure and construction method thereof |
| TW201139815A (en) * | 2010-05-14 | 2011-11-16 | Yun-Fu Chou | Dual steel pipe energy-dissipating support device |
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2013
- 2013-07-26 CN CN201310317677.3A patent/CN103410239B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000186372A (en) * | 1998-12-22 | 2000-07-04 | Nippon Steel Corp | Buckling constraining brace member and its manufacture |
| JP2001227192A (en) * | 1999-06-30 | 2001-08-24 | Nippon Steel Corp | Axially yielding elasto-plastic hysteresis brace and damping steel structure |
| TWM303938U (en) * | 2005-05-04 | 2007-01-01 | Chao-Hung Cheng | Buckling-constrained stiff support for velocity device |
| CN201593250U (en) * | 2010-02-04 | 2010-09-29 | 中国建筑科学研究院 | Single-pipe double-core buckling-restrained brace with diaphragm |
| CN201809994U (en) * | 2010-04-02 | 2011-04-27 | 陈云 | Super-elastic buckling-restrained energy-dissipation brace |
| TW201139815A (en) * | 2010-05-14 | 2011-11-16 | Yun-Fu Chou | Dual steel pipe energy-dissipating support device |
| CN102051927A (en) * | 2010-12-14 | 2011-05-11 | 姚攀峰 | Parallel buckling restrained brace structure and construction method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758241A (en) * | 2014-01-03 | 2014-04-30 | 清华大学 | All-fabricated lattice buckling restrained brace |
| CN103758242A (en) * | 2014-01-03 | 2014-04-30 | 清华大学 | All-steel-lattice buckling restrained brace |
| CN103758241B (en) * | 2014-01-03 | 2016-01-13 | 清华大学 | The anti-buckling support of a kind of full assembling lattice |
| CN103758242B (en) * | 2014-01-03 | 2016-01-13 | 清华大学 | The anti-buckling support of a kind of all steel lattice |
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| CN103410239B (en) | 2016-06-15 |
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