CN103821260A - Outer pasting steel plate-concrete combined shear wall with pull force supports - Google Patents
Outer pasting steel plate-concrete combined shear wall with pull force supports Download PDFInfo
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- CN103821260A CN103821260A CN201410088420.XA CN201410088420A CN103821260A CN 103821260 A CN103821260 A CN 103821260A CN 201410088420 A CN201410088420 A CN 201410088420A CN 103821260 A CN103821260 A CN 103821260A
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Abstract
The invention relates to an outer pasting steel plate-concrete combined shear wall with pull force supports, belonging to the technical field of structural engineering. The outer pasting steel plate-concrete combined shear wall with the pull force supports is formed by an outer pasting steel plate, an internal embedding concrete slab, the pull force supports, brackets, connection lug plates, L-shaped connection plates and edge members. The outer pasting steel plate-concrete combined shear wall with the pull force support is of a novel lateral-force resistant member of a tall building structure or other structures, has the characteristics of good earthquake resistant property, high ductility, full energy consumption hysteresis loops and the like and belongs to an excellent earthquake resistant energy consumption member.
Description
Technical field
The present invention relates to outer sticking steel plate-combined concrete shear wall that a kind of novel tensile force of belt supports, belong to technical field of structural engineering.
Technical background
At present, adopt in the world steel plate shear force wall to have building more than 20 as the building of main lateral resistant member, be mainly distributed in the Areas of High Earthquake Intensity district such as North America and Japan.Since Nippon Steel Corporation in 1970 is applied in building by steel plate shear force wall, existing more than 40 year of the development of steel plate shear force wall.Steel plate shear wall structure system is made up of embedded steel plate and edge member, and edge member comprises edge girder and edge posts.Embedded steel plate conventionally and edge member connect and compose lateral resisting structure system, this structural system can be considered the semi girder fixing on the ground.
According to the thickness of embedded steel plate, steel plate shear force wall can be divided into steel plate shear wall and thin steel plate shear wall; According to whether ribbing of surface of steel plate, steel plate shear force wall can be divided into stiffening rib steel plate shearing force wall and non-stiffening rib steel plate shearing force wall; Whether crack according to surface of steel plate, steel plate shear force wall can be divided into slotted steel plate shear wall and slotted steel plate shear wall not; Whether arrange embedded concrete slab according to steel plate side, steel plate shear force wall can be divided into steel plate-concrete combined shear wall and general steel plate shear wall.Although thin steel plate shear wall has good economic benefit, its easier flexing.Other forms of steel plate shear force wall is target mainly with the deformity out of plane that stops steel plate greatly, allows steel plate keep as much as possible planar working to consume more energy.
China's " Technical Specification for Steel Structure of Tall Buildings " (JGJ99-98) middle appendix four stipulates, for preventing steel plate shear force wall generation shear buckling, should be using the shear buckling bearing capacity of steel plate as its ultimate bearing capacity, or make by steel plate is put more energy into, before its surrender, flexing does not occur.In fact, above two kinds of modes are all partial to conservative and cost is higher, are unfavorable for development and the application of steel plate shear force wall.Along with both at home and abroad, to the going deep into of steel plate shear force wall research, after the flexing of steel plate shear force wall, performance has obtained paying close attention to widely, and steel plate shear force wall still has higher bearing capacity, good ductility and stable energy dissipation capacity after flexing.The Post-Bucking Strength that makes full use of steel plate shear force wall not only can make structure obtain good anti-seismic performance, and can significantly reduce steel using amount, reduces cost, increases economic efficiency.
Summary of the invention
The present invention proposes outer sticking steel plate-combined concrete shear wall that a kind of novel tensile force of belt supports, its object is, overcome thin steel plate shear wall and can not give full play to the shortcoming of the strength and ductility of steel because of too early flexing, improve flat lateral stability and the ultimate bearing capacity of steel plate shear force wall, given full play to the advantage of steel.
Do not establish the thin steel plate shear wall that pulling force supports, in the time of load action, embedded steel plate generation flexing also forms pull strap, and the pulling force field being anchored at like this on framework can produce larger additional bending moment to side column, has increased the stable burden of pillar.So the setting that pulling force supports, can bear external load effect, avoids increasing the burden of pillar.The setting of the outer sticking steel plate of embedded concrete slab, makes body of wall can give full play to its shear-carrying capacity.And steel plate wall is only connected with Vierendeel girder, because wallboard needn't connect whole section of girder span, the defect of therefore having avoided four limit junction steel plate walls not punch, and in surrounding, edge member is set, can reduce like this after wallboard and pillar disengagement the amplitude of endurance and stiffness and depression of bearing force.So can well be applied in many high-rise steel structure as lateral resistant member.
Traditional steel plate shear force wall is the flat lateral stability of controlling steel plate shear force wall by stiffening rib is set on steel plate, belong to passive control method, the present invention on steel plate shear force wall initiatively apply prestressing force, control the flat lateral stability of steel plate shear force wall, simultaneously, prestressed cable can be born certain pulling force in the pull strap direction of steel plate shear force wall, belongs to control method initiatively.And steel plate shear force wall is only connected with Vierendeel girder, avoids increasing the burden of frame column.All members of this invention can be in factory process, and then, in assembling on the spot, construction is simple, reduces cost, is applicable to assembling type steel structure.Under smaller load action, just there is cripling in clean steel board wall, produces larger in-plane deformation, and therefore hysteresis loop shows and significantly pinches phenomenon, and the energy dissipation capacity of steel plate can not be fully played.
Embedded steel plate and one-sided steel plate combined shear wall are applied to building structure group and will have the following disadvantages: 1) because concrete is positioned at steel plate outside, the in the situation that of large deformation, may there is cracking and peel off in concrete slab, effect of contraction to steel plate weakens greatly, and the ductility energy dissipation capacity of shear wall under large shake effect significantly reduced; 2) the more difficult control of concrete cracking, crack is exposed and is difficult to avoid, and uses and durability thereby impact is normal.Outer sticking steel plate-the combined concrete shear wall of prestressing force that the present invention proposes, one of effective way addressing the above problem: 1) Concrete Filled is within the steel plate of outside, can play effect of contraction to steel plate all the time, and outside steel plate is to the same Constrained effect of embedded concrete, thereby improve bearing capacity and the deformability of embedded concrete slab, ductility and the energy dissipation capacity of shear wall under large shake effect significantly improved; 2) outer sticking steel plate-combined concrete shear wall simple structure, steel work easy transportation and installation, construction is simple; 3) outside steel plate can effectively avoid distress in concrete to expose; 4) outer sticking steel plate-combined concrete shear wall hysteresis loop form is full, shows stronger ductility and energy dissipation capacity, has superior anti-seismic performance.
Outer sticking steel plate-combined concrete shear wall that the tensile force of belt that the present invention proposes supports, it is characterized in that, outer sticking steel plate-combined concrete shear wall that described tensile force of belt supports is made up of outer sticking steel plate, embedded concrete slab, pulling force support, bracket, connection otic placode, L shaped junction plate, edge member, Vierendeel girder and frame column; Described outer sticking steel plate adopts steel sheet; Described embedded concrete slab adopts precast concrete plank, and described pulling force supports and adopts prestressed cable; Described bracket is the support vertical with steel plate surface that can connect prestressed cable with holes; Described connection otic placode is the end otic placode of fixing prestressed cable; Described L shaped junction plate is the steel plate in strap bolt hole; Described edge member is respectively vertical edge member and horizontal edge member; Described outer sticking steel plate is connected with vertical edge member and horizontal edge member; Described embedded concrete slab is connected with outer sticking steel plate; Described pulling force supports that bracket is fixed in one end and described connection otic placode is fixed in one end, and described bracket is connected with vertical edge member; Described connection otic placode is connected with Vierendeel girder.Described vertical edge member is connected by L shaped junction plate with horizontal edge member.Described Vierendeel girder is connected with frame column.
In the outer sticking steel plate-combined concrete shear wall supporting at above-mentioned tensile force of belt, described outer sticking steel plate adopts the high ductility steel of low-yield or the high ductility steel of high strength, hangs over the both sides of embedded concrete slab outward, adopts plain bolt to be connected with it.And four bight cuttings, facilitate the connection between edge member.
In the outer sticking steel plate-combined concrete shear wall supporting at above-mentioned tensile force of belt, described embedded concrete slab adopts prefabricated embedded concrete slab, adopts plain bolt to be connected with outer sticking steel plate.
In the outer sticking steel plate-combined concrete shear wall supporting at above-mentioned tensile force of belt, described outer sticking steel plate and the welding of described bracket.
In the outer sticking steel plate-combined concrete shear wall supporting at above-mentioned tensile force of belt, described outer sticking steel plate be divided into two kinds being connected of edge member, the first and edge member all weld, it two is to be connected with edge member bolt.
In the outer sticking steel plate-combined concrete shear wall supporting at above-mentioned tensile force of belt, described pulling force supports one end and is connected with bracket, one end be connected otic placode connection.
In the outer sticking steel plate-combined concrete shear wall supporting at above-mentioned tensile force of belt, described pulling force support, described bracket, described connection otic placode and described L shaped junction plate are arranged in described embedded concrete slab bilateral symmetry.
In the outer sticking steel plate-combined concrete shear wall supporting at above-mentioned tensile force of belt, described vertical edge member is being connected by L shaped junction plate bolt with described horizontal edge member.
In the outer sticking steel plate-combined concrete shear wall supporting at above-mentioned tensile force of belt, described connection otic placode is arranged symmetrically with at position, the described Vierendeel girder edge of a wing, and is connected with Vierendeel girder welding or bolt.
In the outer sticking steel plate-combined concrete shear wall supporting at above-mentioned tensile force of belt, described horizontal edge member is connected with described Vierendeel girder welding or bolt.
In the outer sticking steel plate-combined concrete shear wall supporting at above-mentioned tensile force of belt, described Vierendeel girder welds with described frame column or bolt is connected or bolt is soldered connects.
The present invention supports by pulling force is set on four angles of shear wall, can effectively limit steel plate wall deformity out of plane, improves anti-side rigidity, power consumption and the ductile performance of steel plate wall.Traditional steel plate shear force wall is the flat lateral stability of controlling steel plate shear force wall by stiffening rib is set on steel plate, belong to passive control method, the present invention on steel plate shear force wall initiatively apply prestressing force and embedded concrete slab, control the flat lateral stability of steel plate shear force wall.Meanwhile, prestressed cable can be born certain pulling force in the pull strap direction of steel plate shear force wall, belongs to control method initiatively.And steel plate shear force wall is only connected with Vierendeel girder, avoids increasing the burden of frame column.All members of this invention can be in factory process, and then, in assembling on the spot, construction is simple, reduces cost, is applicable to assembling type steel structure.
Outer sticking steel plate-combined concrete shear wall that tensile force of belt provided by the invention supports is the novel lateral resistant member of one of high-rise building steel structure or other structure.
Accompanying drawing explanation
Fig. 1 is outer sticking steel plate-combined concrete shear wall structural representation that tensile force of belt of the present invention supports.
Fig. 2 is outer sticking steel plate-combined concrete shear wall unit decomposition figure that tensile force of belt of the present invention supports.
In figure: 1-outer sticking steel plate, 2-embedded concrete slab, 3-pulling force supports, 4-bracket, 5-connection otic placode, 6-L shaped junction steel plate, 7-vertical edge member, 8-horizontal edge member, 9-Vierendeel girder, 10-frame column.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1-2, outer sticking steel plate-combined concrete shear wall that described tensile force of belt supports is made up of outer sticking steel plate 1, embedded concrete slab 2, pulling force support 3, bracket 4, connection otic placode 5, L shaped junction plate 6, edge member, Vierendeel girder 9 and frame column 10; Described outer sticking steel plate 1 adopts steel sheet; Described embedded concrete slab 2 adopts precast concrete plank, and described pulling force supports 3 and adopts prestressed cable; Described bracket 4 is the support vertical with steel plate surface that can connect prestressed cable with holes; The end otic placode that described connection otic placode 5 is fixing prestressed cable; Described L shaped junction plate 6 is the steel plate in strap bolt hole; Described edge member is respectively vertical edge member 7 and horizontal edge member 8; Described outer sticking steel plate 1 is connected with vertical edge member 7 and horizontal edge member 8; Described embedded concrete slab 2 is connected with outer sticking steel plate 1; Described pulling force supports that bracket 4 is fixed in 3 one end and described connection otic placode 5 is fixed in one end, and described bracket 4 is connected with vertical edge member 7; Described connection otic placode 5 is connected with Vierendeel girder 9.Described vertical edge member 7 is connected by L shaped junction plate 6 with horizontal edge member 8.Described Vierendeel girder 9 is connected with frame column 10.
In the outer sticking steel plate-combined concrete shear wall supporting at above-mentioned tensile force of belt, described outer sticking steel plate 1 adopts the high ductility steel of low-yield or the high ductility steel of high strength, hangs over the both sides of embedded concrete slab 2 outward, adopts plain bolt to be connected with it; And four bight cuttings, facilitate the connection between edge member; Described outer sticking steel plate 1 adopts weld seam to be connected with described bracket 4.Described outer sticking steel plate 1 is connected with edge member welding or bolt; Described pulling force supports 3 one end and is connected with bracket 4, one end be connected otic placode 5 and connect.Described pulling force support 3, described bracket 4, described connection otic placode 5 and described L shaped junction plate 6 are arranged in described embedded concrete slab 2 bilateral symmetry; Described vertical edge member 7 is connected by L shaped junction plate 6 bolts with described horizontal edge member 8; Described connection otic placode 5 is arranged symmetrically with at described Vierendeel girder 9 positions, the edge of a wing, and welds with Vierendeel girder 9; Described horizontal edge member 8 welds with described Vierendeel girder 9 or bolt is connected; Described Vierendeel girder 9 welds with described frame column 10 or bolt is connected or bolt is soldered connects.
The out of plane stiffness of outer sticking steel plate-combined concrete shear wall that above-mentioned tensile force of belt supports is very large, can effectively control transportation, installs and use the deformity out of plane in engineering, keeps the firm safety of steel plate.
Outer sticking steel plate-combined concrete shear wall that the tensile force of belt that the present invention proposes supports is the improvement to traditional plain plate shear wall, prestressed structure is applied wherein, adopt control mode initiatively to control the flat lateral stability of steel plate, improve the defect of the easy flexing of conventional steel plates shear wall, improved the lateral resistant ability of steel plate shear force wall.And all members of the present invention can process and install in factory, be then transported to building site and assemble, use manpower and material resources sparingly, reduce cost.
Claims (10)
1. outer sticking steel plate-combined concrete shear wall that tensile force of belt supports, its technical characterictic is: outer sticking steel plate-combined concrete shear wall that described tensile force of belt supports supports (3), bracket (4), connection otic placode (5), L shaped junction plate (6), vertical edge member (7), horizontal edge member (8), Vierendeel girder (9) and frame column (10) by outer sticking steel plate (1), embedded concrete slab (2), pulling force and forms; Described outer sticking steel plate (1) adopts steel sheet; Described embedded concrete slab (2) adopts precast concrete plank, and described pulling force supports (3) and adopts prestressed cable; Described bracket (4) is the support vertical with steel plate surface that can connect prestressed cable with holes; Described connection otic placode (5) is the end otic placode of fixing prestressed cable; Described L shaped junction plate (6) is the steel plate in strap bolt hole; Described edge member is respectively vertical edge member (7) and horizontal edge member (8); Described outer sticking steel plate (1) is connected with vertical edge member (7) and horizontal edge member (8); Described embedded concrete slab (2) is connected with outer sticking steel plate (1); Described pulling force supports that bracket (4) is fixed in (3) one end and described connection otic placode (5) is fixed in one end, and described bracket (4) is connected with vertical edge member (7); Described connection otic placode (5) is connected with Vierendeel girder (9); Described vertical edge member (7) is connected by L shaped junction plate (6) with horizontal edge member (8); Described Vierendeel girder (9) is connected with frame column (10).
2. outer sticking steel plate-combined concrete shear wall that tensile force of belt supports according to claim 1, it is characterized in that: described outer sticking steel plate (1) adopts the high ductility steel of low-yield or the high ductility steel of high strength, hang over the both sides of embedded concrete slab (2) outward, adopt plain bolt to be connected with it.And four bight cuttings, facilitate the connection between edge member.
3. outer sticking steel plate-combined concrete shear wall that tensile force of belt supports according to claim 1, is characterized in that: described embedded concrete slab (2) adopts precast concrete plank, adopts plain bolt to be connected with outer sticking steel plate (1).
4. outer sticking steel plate-combined concrete shear wall that tensile force of belt supports according to claim 1, is characterized in that: described outer sticking steel plate (1) adopts welding with described bracket (4).
5. outer sticking steel plate-combined concrete shear wall that tensile force of belt supports according to claim 1, is characterized in that: described outer sticking steel plate (1) is connected with edge member (7), (8) welding or bolt.
6. outer sticking steel plate-combined concrete shear wall that tensile force of belt supports according to claim 1, is characterized in that: described pulling force strut (3) one end is connected with bracket (4), one end be connected otic placode (5) connection.
7. outer sticking steel plate-combined concrete shear wall that tensile force of belt supports according to claim 1, is characterized in that: pulling force strut (3), bracket (4), connection otic placode (5) and L shaped junction plate (6) are arranged in embedded concrete slab (2) bilateral symmetry.
8. outer sticking steel plate-combined concrete shear wall that tensile force of belt supports according to claim 1, is characterized in that: vertical edge member (7) is being connected by L shaped junction plate (6) bolt with horizontal edge member (8).
9. outer sticking steel plate-combined concrete shear wall that tensile force of belt supports according to claim 1, is characterized in that: connect otic placode (5) and be arranged symmetrically with at Vierendeel girder (9) position, the edge of a wing, and weld with Vierendeel girder (9).
10. outer sticking steel plate-combined concrete shear wall that tensile force of belt supports according to claim 1, is characterized in that: described horizontal edge member (8) is connected with Vierendeel girder (9) welding or bolt; Vierendeel girder (9) welds with frame column (10) or bolt is connected or bolt is soldered connects.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104372872A (en) * | 2014-11-06 | 2015-02-25 | 安徽鸿路钢结构(集团)股份有限公司 | Assembling-type multipurpose steel plate shear wall |
| CN104652645A (en) * | 2015-02-15 | 2015-05-27 | 海南大学 | Energy consumption enhancement assembly-type prefabricated shear wall |
| CN104674972A (en) * | 2015-02-07 | 2015-06-03 | 海南大学 | Assembled-type energy dissipating steel plate shear wall |
| CN104790560A (en) * | 2015-04-27 | 2015-07-22 | 南京工业大学 | Fabricated structure system formed by filling steel frame with prefabricated concrete shear wall |
| CN107447889A (en) * | 2017-07-04 | 2017-12-08 | 北京工业大学 | A kind of mounting structure for building assembled wall |
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| CN103615057A (en) * | 2013-11-19 | 2014-03-05 | 东南大学 | Steel plate shear wall |
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| CN101672077A (en) * | 2009-08-07 | 2010-03-17 | 清华大学 | Bending restraining type shear wall with slideable stiffening shaped steel and internally embedded steel plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104652645A (en) * | 2015-02-15 | 2015-05-27 | 海南大学 | Energy consumption enhancement assembly-type prefabricated shear wall |
| CN104790560A (en) * | 2015-04-27 | 2015-07-22 | 南京工业大学 | Fabricated structure system formed by filling steel frame with prefabricated concrete shear wall |
| CN107447889A (en) * | 2017-07-04 | 2017-12-08 | 北京工业大学 | A kind of mounting structure for building assembled wall |
| CN107447889B (en) * | 2017-07-04 | 2019-12-31 | 北京工业大学 | Mounting structure of building assembled wall body |
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