CN203514559U - Anti-buckling overlapping-assembled support with local filling - Google Patents

Anti-buckling overlapping-assembled support with local filling Download PDF

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Publication number
CN203514559U
CN203514559U CN201320315728.4U CN201320315728U CN203514559U CN 203514559 U CN203514559 U CN 203514559U CN 201320315728 U CN201320315728 U CN 201320315728U CN 203514559 U CN203514559 U CN 203514559U
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China
Prior art keywords
pair
buckling
support
power consumption
steel pipe
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Expired - Fee Related
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CN201320315728.4U
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Chinese (zh)
Inventor
郭小康
孔应祥
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BEIJING TINGFENGLU CULTURAL DEVELOPMENT Co Ltd
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BEIJING TINGFENGLU CULTURAL DEVELOPMENT Co Ltd
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Priority to CN201320315728.4U priority Critical patent/CN203514559U/en
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Publication of CN203514559U publication Critical patent/CN203514559U/en
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Abstract

The utility model provides an anti-buckling overlapping-assembled support with local filling. The anti-buckling support cannot only largely absorb earthquake input energy, reduces damages to a structure upon earthquake, but employs a modularized installation method, so difficulty of on-site installation and positioning is lowered; a lap fillet weld connecting method can be employed for the support and a node, so connecting ductility is improved; a hollow steel pipe providing overall anti-buckling rigidity and steel pipe concrete are integrated by a plurality of connecting plates, so self-weight of the anti-buckling support is reduced and material utilization rate is increased; and the hollow steel pipe can be recovered after the earthquake. The anti-buckling overlapping-assembled support with local filling is advantaged by low machining cost, light weight, good economic benefits and convenient construction as well as recovery of part of the support. The anti-buckling overlapping-assembled support with local filling at least comprises a pair of L-shaped energy-consumption steel cores (1), steel pipe concrete units (2) respectively limiting the energy-consumption steel cores, a pair of hollow square steel pipes (3), a plurality of casing pipe connecting plates (4) and isolated material (5) between the energy-consumption steel cores and the limiting units.

Description

Local filling assembled the anti-buckling support of overlap joint
(1) technical field
The present invention relates to building structure aseismatic prevention technique field, belong to structural damping Passive Control category, be specifically related to a kind of only local anti-buckling support of four pipe assemblings of filling constraint, it can be used for resisting in building structure horizontal earthquake action, improve structural seismic performance, and it is lighter to conduct oneself with dignity, can adopt the mode of on-the-spot splicing to install, part restraining tube unit also can fill and reuse, cost is reduced greatly, and the overlapping mode envoy spotweld quality adopting is greatly improved, and has improved welding quality, safety and the construction convenience of node.
(2) background technology
In earthquake-prone region, all can there is earthquake disaster in China, it has brought grave danger to people's the security of the lives and property every year.Even if building structure is not collapsed in violent earthquake, also can there is very macrolesion, the normal use after impact shake.Viewpoint from energy balance, cause the mechanism of structural earthquake destruction to be, inputting seismic energy consumes by the plasticity power consumption of member, and damage has also correspondingly occurred structure simultaneously, if the energy dissipation capacity of structure is not enough to consume inputting seismic energy, the structure destruction that will collapse.Anti-buckling support is a kind of antidetonation new technology, and it is arranged on original structure, can be used as additional dissipative member, prior to main structure body, enters plastic state, dissipation inputting seismic energy, thus protected agent structure, can be described as structural seismic " fuse ".
The operating principle of anti-buckling support and force-mechanism are very clear and definite, by restraining tube unit constraint axially loaded steel member, guarantee that whole unstable failure and local buckling failure do not occur when pressurized for it, axle power member will show the good mechanical property of tension and compression symmetry in earthquake so, and surrender a large amount of dissipation inputting seismic energies by this tension and compression, it is a kind of of metal energy-consumption shock-absorption device.
Anti-buckling support is mainly divided into two types: (1) take the anti-buckling support that concrete filled steel tube is tied mechanism, and this kind of support retrains power consumption core by concrete filled steel tube; (2) clean steel type buckling restrained brace, this kind of support is by the effect of contraction of the realizations such as the steel bushing of putting more energy into power consumption unit.
At present, there are the following problems in anti-buckling support: (1) node connectivity problem: the mode that with bolts or butt weld connects is conventionally connected anti-buckling support with structure, bolt connects pair cross-section and weakens larger, and configure 16 junction plates, be difficult for accurately location, construction precision is had relatively high expectations, and the easy sliding phenomenon that produces of bolt connection, be unfavorable for the performance of support energy consumption effect; Though butt weld connects without cross section, weaken, but its weld defect is inevitable, because butt weld rigidity is larger, welding contraction distortion will produce larger welding residual stress, extremely should under the impact load of earthquake, produce brittle fracture, affect the safety of structure; (2) support still has larger optimization room for improvement: clean steel type supports because structure reason binding effect is conventionally poor compared with the support of steel tube concrete soil type at present, but concrete filled steel tube filled-type support deadweight is heavier again, and production and processing program is more, and the cycle is longer; (3) after shake, reparation alternative costs are higher: after current anti-buckling support shake, conventionally need whole replacing, but in fact support the region that occurs to destroy and mostly be power consumption core, restraining tube unit can reuse, but present anti-buckling support is not easily-disassembled, causes a large amount of wastes; (4) construction location is comparatively difficult: current anti-buckling support is had relatively high expectations to construction precision, and the link position of supporting base end portion and node and the restriction of the error in length of support are all very strict.
The present invention has considered above-mentioned factor, according to basic mechanical principle, adopt local construction measure of filling Quadruplet pipe, utilized the good advantage of Concrete Filled binding effect, utilize two hollow steel sleeve pipes that support monolithic stability bearing capacity is provided simultaneously, reduced to greatest extent the deadweight of supporting; Adopt double L-shaped power consumption core, make support node to adopt the connected mode of being close to fillet weld with node cross template, butt weld is converted to lap weld, improved the ductility connecting; And Construction of Supporting adopts the mode breaking the whole up into parts, sectional carries out site operation, two unit that contain the core that consumes energy can be first and node connection construction, hollow steel pipe can be adopted subsequently the mode of fill plate to connect into integral body, greatly promoted the flexibility of construction; Shake the recyclable recycling of latter two hollow steel pipe, reduced rehabilitation cost.
(3) summary of the invention
The object of the invention is to provide a kind of local anti-buckling support of assembling overlap joint of filling, and it adopts two concrete filled steel tube assemblies to retrain respectively pair of L type power consumption steel core; Adopt some junction plates to provide hollow steel pipe and the concrete filled steel tube of whole bending rigidity to be connected to an integral body, reduced and supported deadweight, improved stock utilization; Adopt lap fillet weld will support with node and be connected, improved connection ductility; Adopt the form of construction work of on-the-spot connection segment to reduce construction location and installation difficulty; And hollow steel sleeve pipe position can be recycled after shake.
Embodiment of the present invention is: which comprises at least (1) pair of L type power consumption steel core, (2) retrain respectively this concrete filled steel tube unit to power consumption core; (3) a pair of hollow square steel pipe; (4) some sleeve junction plates; (5) isolated material between power consumption steel core and constraint element.
The present invention also comprises following technical characterictic:
[1] described pair of L type power consumption steel core (1), for end cross-sectional is large, the member that cross section, middle part weakens;
[2] described pair of L type power consumption steel core (1), be positioned over respectively concrete filled steel tube sleeve pipe (2) inside, and two ends passes (2);
[3] described pair of L type power consumption steel core (1) two ends node region adopts the form of lap fillet weld to be connected with gusset plate;
[4] described a pair of concrete filled steel tube sleeve pipe (2) adopts some sleeve junction plates (4) to be connected with fillet weld with a pair of hollow square steel pipe (3).
[5] the described a pair of firm core of power consumption (1) that is positioned over concrete filled steel tube inside, is connected to upper and lower two bights of node;
[6] described a pair of square steel pipe (3), is arranged in respectively the gap location of a pair of concrete filled steel tube sleeve pipe (2).
Beneficial effect of the present invention is: before power consumption core surrender of the present invention, can be structure larger anti-side rigidity and supporting capacity is provided, it acts on same conventional steel brace, but because the present invention whole unstable failure can not occur, material use efficiency is higher; The present invention's a large amount of inputting seismic energies that can dissipate after core surrender that consume energy, for structure provides additional damping, are a kind of metal dampers of function admirable; The present invention, for being partially filled the anti-buckling support of type, stock utilization is improved a lot, and deadweight reduces greatly; Adopt double L-shaped power consumption core, make support node to adopt the connected mode of being close to fillet weld with node cross template, butt weld is converted to lap weld, improved the ductility connecting; Construction of Supporting adopts the mode breaking the whole up into parts, and sectional carries out site operation, has greatly promoted flexibility and the requirement to installation accuracy of construction; Shake the recyclable recycling of latter two hollow steel pipe, reduced rehabilitation cost.
(4) accompanying drawing explanation
Fig. 1 is each Components Composition diagrammatic elevational view of the present invention
Fig. 2 is top view of the present invention (1-1)
Fig. 3 is cross-sectional view of the present invention (2-2)
Fig. 4 is cross-sectional view of the present invention (3-3)
Fig. 5 is cross-sectional view of the present invention (4-4)
Fig. 6 is the present invention's parts assembling schematic diagram
Fig. 7 is the arrangement schematic diagram of patent of the present invention in building structure
(5) specific embodiment
Referring to figs. 1 through Fig. 7, the outward appearance of known apparatus of the present invention and structure requirement.
The present invention implements according to the following steps:
(1) determine installation site and the quantity of this device, it is arranged in to the weak location of structural seismic as far as possible.
(2) according to structural analysis design, determine that the surrender bearing capacity of this device, rigidity are connected the parameters such as power with node.
(3), according to design parameters, in conjunction with the concrete construction measure of this device, carry out design and the processing of apparatus of the present invention.
(4) apparatus of the present invention are connected with crisscross joint plate with the mode of building structure main body by lap fillet weld, instantiation as shown in Figure 3 and Figure 7.
Concrete construction measure and the embodiment of apparatus of the present invention are:
(1) according to building with analyze designing requirement, determine the apparent size of this device, comprise length, highly, the parameter such as width, to facilitate, be connected with agent structure;
(2), according to surrender bearing capacity and yield displacement requirement, select L-type power consumption core (1) size;
(3) according to the thickness and the size that support surrender bearing capacity and length and determine outer sleeve, make it meet monolithic stability requirement;
(4) each assembling parts of the present invention is carried out to machining;
(5) L font power consumption central layer (1) is placed in to steel bushing (2) inside, and fluid concrete, treat that concrete curing completes;
(6) formed two the constraint dissipative members of step (5) are passed through on the crisscross joint plate of lap fillet welding seam welding and structure;
(7) two hollow steel pipes are connected by some sleeve junction plates with concrete filled steel tube, shape is in aggregates;
(8) while repairing after shake, sleeve junction plate can be cut to recycling hollow square steel pipe.

Claims (6)

1. local fill the anti-buckling support of assembling overlap joint, it is characterized in which comprises at least: pair of L type power consumption steel core (1), retrain this pair of concrete filled steel tube (2) to power consumption core respectively; A pair of hollow square steel pipe (3); Adopt welded corner joint to be linked as holistic some sleeve junction plates (4) in the mixed earth (2) of above-mentioned a pair of steel pipe and above-mentioned a pair of hollow square steel pipe (3); Isolated material (5) between power consumption steel core and constraint element.
2. local filling assembled the anti-buckling support of overlap joint according to claim 1, pair of L type power consumption steel core (1), and for end cross-sectional is large, the member that cross section, middle part weakens.
3. local filling assembled the anti-buckling support of overlap joint according to claim 1, and pair of L type power consumption steel core (1) two ends node region adopts the form of lap fillet weld to be connected with gusset plate.
4. local filling assembled the anti-buckling support of overlap joint according to claim 1, and a pair of concrete filled steel tube sleeve pipe (2) adopts some sleeve junction plates (4) to be connected with fillet weld with a pair of hollow square steel pipe (3).
5. locally according to claim 1 fill the anti-buckling support of assembling overlap joint, a pair of firm core of power consumption (1) that is positioned over concrete filled steel tube inside, is connected to upper and lower two bights of node.
6. local filling assembled the anti-buckling support of overlap joint according to claim 1, and described a pair of square steel pipe (3) is arranged in respectively the bight of a pair of concrete filled steel tube sleeve pipe (2).
CN201320315728.4U 2013-06-04 2013-06-04 Anti-buckling overlapping-assembled support with local filling Expired - Fee Related CN203514559U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320315728.4U CN203514559U (en) 2013-06-04 2013-06-04 Anti-buckling overlapping-assembled support with local filling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320315728.4U CN203514559U (en) 2013-06-04 2013-06-04 Anti-buckling overlapping-assembled support with local filling

Publications (1)

Publication Number Publication Date
CN203514559U true CN203514559U (en) 2014-04-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103255852A (en) * 2013-06-04 2013-08-21 北京听风庐文化发展有限公司 Part-filling assembling lapping buckling-proof support
CN104831826A (en) * 2015-04-30 2015-08-12 东南大学 Lap-jointed self-centering buckling-restrained brace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103255852A (en) * 2013-06-04 2013-08-21 北京听风庐文化发展有限公司 Part-filling assembling lapping buckling-proof support
CN104831826A (en) * 2015-04-30 2015-08-12 东南大学 Lap-jointed self-centering buckling-restrained brace

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