CN106382041A - Assembling type swing self-resetting steel support structure system - Google Patents

Assembling type swing self-resetting steel support structure system Download PDF

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Publication number
CN106382041A
CN106382041A CN201610984428.3A CN201610984428A CN106382041A CN 106382041 A CN106382041 A CN 106382041A CN 201610984428 A CN201610984428 A CN 201610984428A CN 106382041 A CN106382041 A CN 106382041A
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China
Prior art keywords
steel
bracing members
resetting
self
node
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CN201610984428.3A
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CN106382041B (en
Inventor
陈鑫
孙勇
李家青
俞伟根
李爱群
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Suzhou University of Science and Technology
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Suzhou University of Science and Technology
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/024Structures with steel columns and beams
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

Abstract

The invention discloses an assembling type swing self-resetting steel support structure system. The system comprises structural columns and structural beams, which form a main structure, wherein the main structure and a steel support are connected through energy consumption elements; self-resetting stay ropes are arranged along steel columns of the steel support, the upper ends of the self-resetting stay ropes are tensioned at the tops of the steel columns of the steel support, and the lower ends of the self-resetting stay ropes are poured into a cast-in-situ foundation; and the steel support consists of slender steel components and is connected with the cast-in-situ foundation through a swing node. According to the assembling type swing self-resetting steel support structure system, the steel support serves as a whole to swing during the earthquake and does not generate relative deformation with the main structure, the energy consumption elements are deformed, and the energy is dissipated; after the earthquake, the structure is restored to an original state through the self-resetting stay ropes, so that the use functions of the structure is guaranteed; and the basic components are slender, and splicing parts are connected by virtue of bolts and can be produced in factories and spliced on site, so that the site project duration can be shortened. The assembling type swing self-resetting steel support structure system has the advantages of strong building adaptability and shock resistance, simplicity in construction, high construction quality, short project duration and the like.

Description

A kind of assembled waves Self-resetting steel support structure system
Technical field
The invention belongs to civil engineering Aseismic Structure System field is and in particular to a kind of assembled waves Self-resetting bracing members Structural system.
Background technology
Earthquake is a kind of extremely strong Sudden Natural Disasters of destructiveness, and human society is constituted a serious threat.China is generation One of area that in boundary, earthquake disaster takes place frequently, responding actively these earthquake disasters is the important work building town and country protection against and mitigation of earthquake disasters system Make.In field of civil engineering, the antidetonation theory tackling earthquake disaster experienced " antidetonation " from increasing section, to additional dissipative energy The development of " shock insulation " of " damping " of amount and isolation ground vibration, in recent years, and develops towards the direction of " can recover function ".By This creates the concept of " runback bit architecture " and " swinging structure ".
General swinging structure and runback bit architecture refer to constrain between constraint or component between loosening configuration and basis, make structure Only compression capability and no tension ability at contact surface and between basis or component, then structure wave under geological process, logical Cross deadweight or prestressing force makes structure reset.This is that the structure designing and having recovery function provides a kind of new approaches, based on this Thinking people's priority develop some wave and Self-resetting structural system:The ball of Self-resetting can enter formula winged and wave shock insulation pier stud (CN 104278620 A), Self-reset girder-grid friction wall structural system (CN 203583708 U), with replaceable coupling beam Self-resetting shear wall (CN 203626080 U), reinforced concrete sway wall, wave wall assembly and preparation method thereof (CN 101851965 B), a kind of reinforced concrete sway wall assembly (CN 104631616 A) of telescopic connection, one kind can recover Composite plate shear wall (CN 203640084 U) of function etc..Mostly these systems are to wave wall using what concrete material designed And component, and how cannot realize precast assembly function;And by the use of shear wall as swinging member, for ensureing rigidity, generally cannot Open up door, window hole, limit its set location;Meanwhile, concrete wall is in coming earthquake, even if less deformation also can Produce certain crackle, the later stage repairs needs more costs.
In recent years, under national promotion, prefabrication structure is increasingly taken seriously, and people devise multiple Prefabrication, such as a kind of full precast frame steel support structure (CN 203334474 U), a kind of assembled combined steel plate Shear wall (CN 204983239 U), mountable double-deck steel plate concrete filled compound shear wall structural system (CN 204983269 U) etc., but these do not possess the power consumption function of Self-resetting.With the propulsion of industrialization research, also have runback Position concept is introduced in precast shear wall, and such as prefabricated assembled Self-resetting shear wall structure (CN 204876196 U) etc. is mainly borrowed Help the deformation between upper and lower body of wall, defined power consumption and runback bit function using spring and antivibrator, but do not make body of wall Fully swing, do not form the damping form waving wall.
Therefore, take into full account the feature of prefabricated construction, higher than the prefabricated degree of xoncrete structure using steel construction Advantage, design a kind of prefabricated assembled wave bracing members system, the theory of swinging structure, Self-resetting and energy-dissipating and shock-absorbing is melted It is integrated, a new thinking can be provided for the industrialization of new building construction and existing building strengthening reconstruction.
Content of the invention
It is an object of the invention to the problem overcoming prior art to exist, a kind of assembled is provided to wave Self-resetting bracing members Structural system.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of assembled waves Self-resetting steel support structure system, including structural column and structural beams, described structural column and described knot Structure beam constitutes main structure, and described main structure is connected by dissipative cell with bracing members, and Self-resetting drag-line is along described bracing members Steel column is arranged, and in the steel column top tensioning of described bracing members, lower end pours in cast-in-place basis, and described bracing members pass through to shake for upper end Pendulum node is connected with described cast-in-place basis;
Described bracing members 3 include steel column, girder steel, bracing members short section and bracing members length section, described steel column, described girder steel, described steel Short section and described bracing members length section is supported to be the steel beam column section form such as H type section or i shaped cross section.
Further, described bracing members also include bean column node, steel column node and support node, described bean column node, institute State steel column node and described support node is bolt connection form.
Further, described wave node by top diagonal brace, bottom diagonal brace, top put more energy into short beam, bottom put more energy into short beam and Steel crab-bolt forms;Described top diagonal brace lower end and described top short beam of putting more energy into is welded to connect, and top diagonal brace upper end is by end plate Flange is connected with described bracing members bottom;Described bottom diagonal brace upper end and described bottom short beam of putting more energy into is welded to connect, lower end bury to Described cast-in-place basis;Described steel crab-bolt top half is put more energy into by nut and described top, and short beam is affixed, and institute is inserted in the latter half State bottom put more energy into short beam sleeve in;Waving node adopts plate to cut with scissors.
Further, described dissipative cell is connected with described main structure by bolt one end, the other end and described bracing members Node connect, connected or the power consumption type of attachment using viscoelasticity or friction using the power consumption of mild steel;Described Self-resetting draws The high strength steel strand of Suo Caiyong stretch-draw prestressing force or adopt marmem.
Further, described Self-resetting drag-line is arranged in the two ends of described bracing members waved or middle part.
Preferably, using the elongated steel beam column such as post, beam, diagonal brace as primary element, it is readily transported and installs;Bracing members are short Section, bracing members length section provide most anti-side rigidity as diagonal brace for bracing members, take full advantage of the characteristic of steel;Pass through The multi-form of construction bracing members, can be door, the headspace of window hole, be more convenient for architectural process compared to waving wall.
Beneficial effects of the present invention:
In earthquake, the bracing members system that girder steel, steel column and bracing members are constituted possesses larger anti-side rigidity, as one to the present invention Individual entirety keeps elasticity, waves around waving node, produces relative deformation, cause dissipative cell to deform and main structure between And dissipation energy;After shake, structure returns to original state by Self-resetting drag-line, can keep using function;System stitching section Position is all with bolts, is capable of, in plant produced, on-site consolidation, shortening the live duration.This structural system has anti- Shake ability is strong, simple structure, construction quality are high, short time limit the advantages of.
Brief description
Fig. 1 is the facade structures schematic diagram of the present invention;
Fig. 2 be the present invention wave joint structure schematic diagram;
Fig. 3 be the present invention wave node another kind organigram;
Fig. 4 is that the dissipative cell of the present invention adopts organigram during viscoelastic material;
Fig. 5 is that the dissipative cell of the present invention adopts organigram during friction energy-dissipating;
Fig. 6(a)It is that the present invention is used for outer when existing building is reinforced attached waving bracing members position floor map;
Fig. 6(b)It is that the present invention is used for embedded when existing building is reinforced waving bracing members position floor map;
Fig. 6(c)It is that the present invention is used for waving bracing members position elevational schematic view when existing building is reinforced;
Fig. 7 is another kind of precast assembly form of the present invention.
In figure label declaration:1st, structural column, 2, structural beams, 3, bracing members, 31, steel column, 32, girder steel, 33, bracing members short Section, 34, bracing members length section, 35, bean column node, 36, steel column node, 37, support node, 4, dissipative cell, 5, Self-resetting drag-line, 6th, cast-in-place basis, 7, wave node, 71, top diagonal brace, 72, bottom diagonal brace, 73, top put more energy into short beam, 74, bottom put more energy into short Beam, 75, steel crab-bolt.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, to describe the present invention in detail.
Shown in reference picture 1-5, a kind of assembled waves Self-resetting steel support structure system, including structural column 1 and structural beams 2, described structural column 1 and described structural beams 2 constitute main structure, and described main structure is connected by dissipative cell 4 with bracing members 3, oneself Reset drag-line 5 is arranged along the steel column 31 of described bracing members 3, and in the steel column 31 top tensioning of described bracing members 3, lower end is poured for upper end Build in cast-in-place basic 6, described bracing members 3 are connected with described cast-in-place basic 6 by waving node 7;
Described bracing members 3 include steel column 31, girder steel 32, bracing members short section 33 and bracing members length section 34, described steel column 31, described steel Beam 32, described bracing members short section 33 and described bracing members length section 34 are H type section or i shaped cross section.
Further, described bracing members 3 also include bean column node 35, steel column node 36 and support node 37, described beam column Node 35, described steel column node 36 and described support node 37 are bolt connection form.
Further, the described node 7 that waves is put more energy into by put more energy into short beam 73, bottom of top diagonal brace 71, bottom diagonal brace 72, top Short beam 74 and steel crab-bolt 75 form;Described top diagonal brace 71 lower end and described top short beam 73 of putting more energy into is welded to connect, top diagonal brace 71 upper ends are being connected with described bracing members 3 bottom by end plate flanges;Described bottom diagonal brace 72 upper end and described bottom are put more energy into short Beam 74 is welded to connect, and lower end is buried to described cast-in-place basic 6;Described steel crab-bolt 75 top half is put more energy into described top by nut Short beam 73 is affixed, the latter half insert described bottom put more energy into short beam 74 sleeve in.Waving node 7 also can be using shown in accompanying drawing 3 Plate hinge form.
Further, described dissipative cell 4 is connected with the node of described main structure by bolt one end, the other end with described The node of bracing members 3 connects, and is connected or the power consumption type of attachment using viscoelasticity or friction using the power consumption of mild steel;Described from Reset drag-line 5 using the high strength steel strand of stretch-draw prestressing force or adopts marmem.
Further, described Self-resetting drag-line 5 is arranged in the two ends of described bracing members 3 waved or middle part.
Preferably, when coming earthquake, bracing members 3 rotate around waving node 7, dissipate ground by the deformation of dissipative cell 4 Shake energy, steel crab-bolt 75 is resisted shearing, is resetted using Self-resetting drag-line 5 after shake.
Further, for improving the ability of its precast assembly, can be by the way of multiple bracing members unit spliceds(As accompanying drawing 7), in factory, steel column 31, girder steel 32 and diagonal brace are welded into by a little bracing members unit by Type of Welding, to construction Behind scene, can be bolted and multiple bracing members unit spliceds are become a bracing members system.
The principle of the present invention:
Bracing members 3 will be waved be combined with frame structure, and form framework and wave steel support structure system, by bracing members 3 bottom from solid Connect and become hinged, the structural system basic cycle extends, bracing members 3 bearing capacity demand reduces.Girder steel, steel column and skewed horizontal load structure The bracing members system becoming has larger rigidity, when coming earthquake, waves bracing members 3 and waves node 7 around bottom and wave, keep Relative displacement is produced, induction dissipative cell deforms dissipation seismic energy between elastic stage, and main structure,;After the earthquake, by In the presence of Self-resetting drag-line 5, structure has the ability of higher recovery initial position.Meanwhile, most of splicing node With bolts, make swinging structure be provided with the characteristic of precast assembly.
The implementation steps of the present invention:
(1)According to design and construction requirement, steel column 31 in factory process bracing members 3, girder steel 32, bracing members short section 33 and steel Support long section 34;Top diagonal brace 71 in node 7 is waved in processing, put more energy in bottom diagonal brace 72, top short beam 73 and bottom are put more energy into short Beam 74, its middle and upper part diagonal brace 71 and top short beam 73 of putting more energy into is welded to connect, and short beam 74 welding is put more energy into even in bottom diagonal brace 72 and bottom Connect.
(2)In structure cast in situs cast-in-place basic 6, its middle and lower part diagonal brace 72 the latter half is cast in cast-in-place basic 6, and The lower end of Self-resetting drag-line 5 and its anchorage also pour in cast-in-place basic 6.
(3)Scene splicing steel column 31,32 one-tenths steel frame forms of girder steel, subsequent bracing members length section 34 is bolted embedding Enter in steel frame, then bracing members short section 33 is accessed framework;After the completion of the overall splicing of bracing members 3, it is bolted and top Support 71 affixed, steel crab-bolt 75 is fixed in top by nut and puts more energy into short beam 73.
(4)Lifting bracing members 3 and wave node 7, location and installation, steel crab-bolt 75 is inserted bottom and puts more energy into the sleeve of short beam 74 Interior, simple falsework is installed between main structure and bracing members 3.
(5)Subsequently Self-resetting drag-line 5 is passed through reserving hole to bracing members 3 top, and in this tensioning and anchor drag-line;Will Dissipative cell 4 is bolted between the node being installed on bracing members 3 and the node of main structure.
(6)After structure installation, remove the falsework between main structure and bracing members 3.
Above-described is only the preferred embodiment of the present invention it is noted that for a person skilled in the art, On the premise of without departing from present configuration, some deformation can also be made and improve, such as be realized to both by the way of accompanying drawing 6 There is the seismic hardening of building, using realizing prefabrication and assembly construction by way of multiple bracing members unit spliceds by the way of accompanying drawing 7, or adopt With other bracing members form such as timbering with rafter arch sets, these also should be considered as protection scope of the present invention, and these are all without impact originally Effect and practical applicability that invention is implemented.

Claims (5)

1. a kind of assembled waves Self-resetting steel support structure system it is characterised in that including structural column(1)And structural beams(2), Described structural column(1)With described structural beams(2)Constitute main structure, described main structure and bracing members(3)By dissipative cell(4)Even Connect, Self-resetting drag-line (5) is along the steel column of described bracing members (3)(31)Setting, upper end is in the steel column of described bracing members (3)(31) Top tensioning, lower end pours in cast-in-place basis (6), and described bracing members (3) are by waving node (7) and described cast-in-place basis (6) connect;
Described bracing members (3) include steel column (31), girder steel (32), bracing members short section (33) and bracing members length section (34), described steel Post (31), described girder steel (32), described bracing members short section (33) and described bracing members length section (34) are H type section or I shape cuts Face.
2. assembled according to claim 1 waves Self-resetting steel support structure system it is characterised in that described bracing members (3) bean column node (35), steel column node (36) and support node (37) group, described bean column node (35), described steel column are also included Node (36) and described support node (37) are bolt connection form.
3. assembled according to claim 1 waves Self-resetting steel support structure system it is characterised in that described wave section Point (7) is put more energy into short beam (74) and steel crab-bolt by put more energy into short beam (73), bottom of top diagonal brace (71), bottom diagonal brace (72), top (75) form;Described top diagonal brace (71) lower end and described top short beam (73) of putting more energy into is welded to connect, top diagonal brace (71) upper end It is being connected with described bracing members (3) bottom by end plate flanges;Put more energy into short beam in described bottom diagonal brace (72) upper end and described bottom (74) it is welded to connect, lower end is buried to described cast-in-place basis (6);Described steel crab-bolt (75) top half passes through nut and described top Short beam (73) of putting more energy into is affixed, the latter half insert described bottom put more energy into short beam (74) sleeve in;The described node (7) that waves adopts Plate cuts with scissors.
4. assembled according to claim 1 waves Self-resetting steel support structure system it is characterised in that described power consumption is first Part (4) is connected with described main structure node by bolt one end, and the other end is connected with the node of described bracing members (3), using soft The power consumption of steel connects or the power consumption type of attachment using viscoelasticity or friction;Described Self-resetting drag-line (5) adopts tensioning in advance should The high strength steel strand of power or adopt marmem.
5. assembled according to claim 1 waves Self-resetting steel support structure system it is characterised in that described Self-resetting Drag-line (5) is arranged in the described bracing members waving(3)Two ends or middle part.
CN201610984428.3A 2016-11-09 2016-11-09 A kind of assembled waves Self-resetting steel support structure system Active CN106382041B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107338882A (en) * 2017-07-28 2017-11-10 华侨大学 What a kind of part can break away rocks structure
CN108589913A (en) * 2018-05-08 2018-09-28 同济大学 A kind of earthquake exempts from damage and is layered prefabricated assembled self-resetting swinging steel frame structural system
CN109580152A (en) * 2019-01-24 2019-04-05 河北工业大学 A kind of antidetonation time-history analysis selects wave to verify device
CN110965635A (en) * 2019-10-25 2020-04-07 汉尔姆建筑科技有限公司 Supporting structure and layering industrialization building of building

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CN103628587A (en) * 2013-12-09 2014-03-12 大连理工大学 Self-reset girder-grid friction wall structural system
CN204491831U (en) * 2015-02-09 2015-07-22 海南大学 Novel can restore funcitons frame-brace structure system
CN204715576U (en) * 2015-03-30 2015-10-21 西安建筑科技大学 A kind of antidetonation can repair Self-resetting framework-Mi rib metal wall structure
CN206189976U (en) * 2016-11-09 2017-05-24 苏州科技大学 Assembled waves from restoring to throne steel supporting structural system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110239551A1 (en) * 2010-03-31 2011-10-06 National University Corporation Nagoya Institute Of Technology Self-centering compact damper unit applicable to structures for seismic energy dissipation
CN103628587A (en) * 2013-12-09 2014-03-12 大连理工大学 Self-reset girder-grid friction wall structural system
CN204491831U (en) * 2015-02-09 2015-07-22 海南大学 Novel can restore funcitons frame-brace structure system
CN204715576U (en) * 2015-03-30 2015-10-21 西安建筑科技大学 A kind of antidetonation can repair Self-resetting framework-Mi rib metal wall structure
CN206189976U (en) * 2016-11-09 2017-05-24 苏州科技大学 Assembled waves from restoring to throne steel supporting structural system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107338882A (en) * 2017-07-28 2017-11-10 华侨大学 What a kind of part can break away rocks structure
CN108589913A (en) * 2018-05-08 2018-09-28 同济大学 A kind of earthquake exempts from damage and is layered prefabricated assembled self-resetting swinging steel frame structural system
CN108589913B (en) * 2018-05-08 2019-10-01 同济大学 A kind of earthquake exempts from damage and is layered prefabricated assembled self-resetting swinging steel frame structural system
CN109580152A (en) * 2019-01-24 2019-04-05 河北工业大学 A kind of antidetonation time-history analysis selects wave to verify device
CN109580152B (en) * 2019-01-24 2020-09-08 河北工业大学 Anti-seismic time-course analysis wave selection verification device
CN110965635A (en) * 2019-10-25 2020-04-07 汉尔姆建筑科技有限公司 Supporting structure and layering industrialization building of building
CN110965635B (en) * 2019-10-25 2021-10-19 汉尔姆建筑科技有限公司 Supporting structure and layering industrialization building of building

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