CN103711231A - Combined shear wall formed by steel pipe concrete frame, double-steel-plate shear wall and inside welded concealed bracing mild steel plates under equivalent steel - Google Patents

Combined shear wall formed by steel pipe concrete frame, double-steel-plate shear wall and inside welded concealed bracing mild steel plates under equivalent steel Download PDF

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Publication number
CN103711231A
CN103711231A CN201410016323.XA CN201410016323A CN103711231A CN 103711231 A CN103711231 A CN 103711231A CN 201410016323 A CN201410016323 A CN 201410016323A CN 103711231 A CN103711231 A CN 103711231A
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China
Prior art keywords
steel plate
steel
mild
concrete frame
sides
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CN201410016323.XA
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Chinese (zh)
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曹万林
马恒
乔崎云
崔晓曦
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Beijing University of Technology
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Beijing University of Technology
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Priority to CN201410016323.XA priority Critical patent/CN103711231A/en
Publication of CN103711231A publication Critical patent/CN103711231A/en
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Abstract

The invention discloses a combined shear wall, wherein a steel pipe concrete frame, a double-steel-plate shear wall and inside welded concealed bracing mild steel plates are combined together to form the combined shear wall. Concrete is poured into steel pipes to form the steel pipe concrete frame. The double-steel-plate shear wall and the steel pipe concrete frame are welded and then connected through studs after holes are punched. The inside welded concealed bracing mild steel plates which cross each other in an inclined direction are welded to the inner side of the double-steel-plate shear wall in an attached mode. Reinforcing steel bar meshes are distributed between the inside welded concealed bracing mild steel plates and connected through pull and connecting ribs. Concrete is directly poured on the double-steel-plate shear wall. Compared with an existing shear wall, the combined shear wall has the advantages that the bearing capacity is improved, rigidity attenuation slows down, ductility and energy-dissipating capacity of the shear wall are improved due to concealed bracing, and the anti-seismic property is excellent.

Description

Equivalent is with welding mild steel plate compound shear wall in steel pipe concrete frame double steel plate under steel
Technical field
The present invention relates to a kind of equivalent with welding mild steel plate compound shear wall in steel pipe concrete frame double steel plate under steel, be applied to highrise building, belong to building engineering field.
Highrise building is the progressive product of economic development in modern times science and technology, more and more appears in people's the visual field.Shear wall and the cylindrical shell being comprised of shear wall are the core components of high-rise construction earthquake resistance, because highrise building need to have higher lateral rigidity, so in structure design, crucial during the design of lateral resisting.Shear wall is as main lateral resistant member, and its service behaviour under geological process affects the security performance of whole building structure.In recent years, large complicated highrise building is increasing, to the anti-seismic performance of the cylindrical shell of shear wall and shear wall composition, requires also more and more higher.Existing reinforced concrete shear wall ductility under geological process is poor, and brittle fracture easily occurs, and this is very unfavorable to integrally-built anti-seismic performance.
Steel plate shear wall structure is a kind of novel lateral resisting structure system that 20 century 70s grow up.Reinforced concrete frame steel plate shear force wall combining structure is the effective Lateral Resistant System of current extensive use.Steel plate shear force wall can improve the lateral rigidity of reinforced concrete frame, effectively reduces the lateral displacement of framework, plays the effect of the first line of defence; Along with the destruction of steel plate shear force wall, steel frame starts the lateral rigidity that provides necessary, plays the effect in second defence line.Compound shear wall mainly contains three kinds of structural forms: embedded steel plate-reinforced concrete combination shear wall, one-sided steel plate-reinforced concrete combination shear wall, double steel plate-reinforced concrete combination shear wall.Embedded steel plate and one-sided steel plate combined shear wall all adopt a block plate, and Performance Ratio is more approaching, compare traditional reinforced concrete shear wall capacity under axial and significantly improve.In addition, the existence of concrete slab can suppress the whole and part flexing of steel plate to a certain extent, gives full play to the mechanical property of steel plate, guarantees bearing capacity and the energy dissipation capacity of shear wall under lateral loads.For embedded steel plate combined shear wall, external wrapping concrete can also play fire prevention and corrosion-resistant effect.Double steel plate shear wall is that steel plate wraps in concrete outside, doubles as template.In steel plate shear force wall, welding mild steel plate band is to further develop and innovate on the basis of steel plate shear force wall, is the dark a kind of new arrangement form supporting.
Summary of the invention
The object of the present invention is to provide weldering mild steel plate compound shear wall and the practice in a kind of steel pipe concrete frame double steel plate.Assurance steel plate shear force wall is at equivalent with under steel bar part, and interior weldering mild steel plate, as dark support, improves the shear capacity of steel plate shear force wall.
The present invention has adopted following technical scheme:
Weldering mild steel plate slice-group combination shearing wall in steel pipe concrete frame double steel plate, is characterized in that: comprise the steel plate 2 of steel pipe concrete frame 1, body of wall both sides, secretly support mild steel plate 3.Described steel pipe concrete frame 1 is formed by steel pipe the inside concreting; Described steel plate 2 is arranged in the both sides of shear wall body, and steel plate 2 punchings of both sides are connected by peg 9; Described dark support mild steel plate 3 is steel plate 2 inner sides mild steel plate band I10 of difference diagonal cross welding and the mild steel plate band II11 in both sides, mild steel plate band I10 and mild steel plate band II11 form X font on the positive facade of body of wall, its angle of inclination is between 45 ° and 60 °, between mild steel plate band I10 and mild steel plate band II11, arrange by the transverse reinforcement 12 of horizontal arrangement and distribution reinforcement net 4 that vertically vertical reinforcement 13 of layout forms, and with tension rib 7 by distribution reinforcement net 4 drawknots of both sides, last between the steel plate 2 of both sides concreting.
The steel plate 2 of described both sides is on steel pipe concrete frame 1, to weld vertical steel lath 8 with being connected of steel pipe concrete frame 1, and the steel plate 2 of both sides is welded with vertical steel lath 8 again.
Described dark support mild steel plate 3 is that mild steel plate band I10 and mild steel plate band II11 paste respectively on the steel plate 2 that is welded in both sides with being connected of the steel plate 2 of both sides, respectively welds mild steel plate band I10 or mild steel plate band II11 on the steel plate of a side, forms X font.
The preparation method of weldering mild steel plate compound shear wall in steel pipe concrete frame double steel plate, the method is to click in sequence:
1) steel pipe of configuration steel pipe concrete frame 1, and on steel pipe concrete frame 1 along vertical weldable steel lath 8;
2) arrange distribution reinforcement net 4;
3) steel plate 2 of configuration both sides;
4) the dark mild steel plate 3 that supports of configuration, is welded on the steel plate 2 of both sides;
5) arrange the steel plate 2 of the both sides welded dark support mild steel plate 3, and by the steel plate of both sides 2 respectively with steel pipe concrete frame 1 steel pipe on 8 welding of vertical steel lath, punching on the steel plate 2 of both sides, connects the steel plate of both sides 2 with peg 9;
6), toward the steel pipe of steel pipe concrete frame 1 and the interior concreting of the steel plate of both sides 2, form weldering mild steel plate compound shear wall in steel pipe concrete frame double steel plate;
Concrete Filled of the present invention is within the steel plate of both sides, can to steel plate, play effect of contraction all the time, and both sides steel plate has effect of contraction equally to concrete filled, thereby the deformability of raising concrete filled significantly improves ductility and the energy dissipation capacity of shear wall under large shake effect.In addition, 1) for the double steel plate compound shear wall that has horizontal box construct, steel plate can play stronger effect of contraction to concrete, makes high-strength concrete apply and become possibility in Super High seismic shear wall, thus the real optimization aim that realizes " high axial compression, high ductility, thin body of wall "; 2) double steel plate-combined concrete shear wall simple structure, steel work easy transportation and installation, outside steel plate doubles as concrete blinding in the construction stage, and on-site construction processes is simplified; 3) outside steel plate can effectively avoid distress in concrete to expose; 4) with two block plates, replace a block plate, a series of adverse effects that can effectively avoid the use of super highrise building medium plate and bring.Compare with double steel plate shear wall, this invention oblique subsides weldering mild steel plate band inside double steel plate, as dark support, has effectively improved the ductility of shear wall.Its core concept is, improves the shear capacity of shear wall, prevents that shear wall depression of bearing force after there is oblique crack is very fast.Meanwhile, both sides steel plate and concrete filled can effectively prevent mild steel plate flexing, and holistic resistant behavior is better.Thereby realized frame-steel plate shear force wall-secretly support general frame stress system.
Accompanying drawing explanation
Fig. 1 is that equivalent of the present invention is with welding mild steel plate compound shear wall elevation in steel pipe concrete frame double steel plate under steel;
Fig. 2 is 1-1 generalized section in Fig. 1;
Fig. 3 is 2-2 generalized section in Fig. 1;
In figure: 1-steel pipe concrete frame; 2-steel plate; 3-secretly supports mild steel plate; 4-distribution reinforcement net; 5-upper side frame beam; 6-grade beam; 7-tension rib; 8-vertical steel lath; 9-peg; 10-mild steel plate band I; 11-mild steel plate band II; 12-transverse reinforcement; 13-vertical reinforcement.
The specific embodiment
Below in conjunction with accompanying drawing 1~Fig. 3, the invention will be further described:
In steel pipe concrete frame double steel plate, weldering mild steel plate compound shear wall is as Fig. 1~Fig. 3.In the steel pipe concrete frame double steel plate of the present embodiment, weldering mild steel plate compound shear wall, comprises the steel plate 2 of steel pipe concrete frame 1, body of wall both sides and secretly supports mild steel plate 3, and the inner pouring of steel pipe concrete frame 1 has concrete; On steel pipe concrete frame 1, welding is in order to the fixing vertical steel lath 8 of the steel plate 2 of both sides; The inner side of the steel plate 2 of both sides is pasted and is welded with dark support mild steel plate 3, secretly supports mild steel plate 3 and comprises mild steel plate band I10 and mild steel plate band II11, and an angle of the oblique steel plate 2 from both sides is pasted and is soldered to its diagonal angle respectively, is crossed as X font in space; Centre at mild steel plate band I10 and mild steel plate band II11 arranges distribution reinforcement net 4, and distribution reinforcement net 4 comprises the transverse reinforcement 12 of horizontal arrangement and the vertical reinforcement 13 of vertically arranging, and with tension rib 7 by distribution reinforcement net 4 drawknots of both sides; Between the steel plate 2 of both sides, with peg 9, connect, the steel plate 2 of both sides welds with the vertical steel lath 8 on steel pipe concrete frame 1, and then between the steel plate 2 of both sides, concreting forms body of wall; By steel pipe concrete frame 1, steel plate 2, secretly support mild steel plate 3, distribution reinforcement net 4 gos deep into grade beam 6; Finally, by the inner disturbing concrete moulding of the steel plate of steel pipe concrete frame 1, steel plate 2, grade beam 6, form equivalent with welding mild steel plate compound shear wall in steel pipe concrete frame double steel plate under steel.
Above-mentioned equivalent is with welding the preparation method of mild steel plate compound shear wall in steel pipe concrete frame double steel plate under steel, the method comprises the following steps:
1) configuration steel pipe concrete frame 1, and on steel pipe concrete frame 1 welding in order to the fixing vertical steel lath 8 of the steel plate 2 of both sides;
2) the dark mild steel plate 3 that supports of configuration, secretly supports mild steel plate 3 and is divided into two, and in the inner side of the steel plate 2 of both sides, each pastes one of weldering respectively, and diagonal cross becomes X font;
3) arrange the distribution reinforcement net 4 that the transverse reinforcement 12 of being arranged by along continuous straight runs and the vertical reinforcement 13 of vertically arranging form, be arranged in the centre of dark support mild steel plate 3, and by the distribution reinforcement net of both sides 4 use tension rib 7 drawknots;
4) arrange the steel plate 2 of both sides, and the steel plate of both sides 2 and the vertical steel lath 8 on steel pipe concrete frame 1 are welded, punching on the steel plate 2 of both sides, connects the steel plate of both sides 2 with peg 9;
5) configure base beam 6, the steel plate of steel pipe concrete frame 1, both sides 2 and distribution reinforcement net 4 are inserted in grade beam 6, and be welded on the steel plate of grade beam 6 bottom surfaces.Build the concrete of grade beam 6 inside, after concrete curing, make grade beam 6 and steel plate 2,13 bottoms of the vertical reinforcement in distribution reinforcement net 4 of steel pipe concrete frame 1, both sides realize and being rigidly connected;
6) arrange upper side frame beam 5, be reliably connected with the vertical reinforcement 13 in distribution reinforcement net 4 with the steel plate 2 of steel pipe concrete frame 1, both sides;
7) to steel plate 2, upper side frame beam 5 and the inner concreting of grade beam 6 of reinforced concrete frame 1, both sides, after maintenance moulding equivalent with welding mild steel plate compound shear wall in steel pipe concrete frame double steel plate under steel.

Claims (4)

1. in steel pipe concrete frame double steel plate, weld mild steel plate compound shear wall, it is characterized in that: it comprises the steel plate (2) of steel pipe concrete frame (1), body of wall both sides, secretly supports mild steel plate (3), the interior Baogang of the steel plate of both sides (2) reinforced concrete, steel plate (2) punching is connected on the steel concrete of interior bag by peg; Vertical steel lath (8) in the upper welding of steel pipe concrete frame (1) in order to fixation steel plate (2); The inner side of the steel plate of both sides (2) is pasted and is welded with dark support mild steel plate (3), the dark mild steel plate (3) that supports comprises mild steel plate band I(10) and mild steel plate band II(11), mild steel plate band I(10) and mild steel plate band II(11) oblique angle from steel plate (2) is pasted and is soldered to its diagonal angle respectively separately, is crossed as X font in space; The centre of the dark support mild steel plate (3) of concrete wall both sides arranges distribution reinforcement net (4), distribution reinforcement net (4) comprises the transverse reinforcement (13) of horizontal arrangement and the vertical reinforcement (14) of vertically arranging, and with tension rib (7) by distribution reinforcement net (4) drawknot of both sides; Steel plate (2) welds with the vertical steel lath (8) on steel pipe concrete frame (1), and then between steel plate (2), concreting forms body of wall; By steel pipe concrete frame (1), steel plate (2), secretly support mild steel plate (3), distribution reinforcement net (4) gos deep into grade beam (6); Finally, by the inner disturbing concrete moulding of the steel plate of steel pipe concrete frame (1), steel plate (2), grade beam (6), form equivalent with welding mild steel plate compound shear wall in steel pipe concrete frame double steel plate under steel.
2. according to welding mild steel plate compound shear wall in steel pipe concrete frame double steel plate, it is characterized in that: the mild steel plate band I(10 that secretly supports mild steel plate (3)) and mild steel plate band II(11) angle of inclination between 45 ° and 60 °.
3. according to welding mild steel plate compound shear wall in steel pipe concrete frame double steel plate, it is characterized in that: the steel plate that secretly supports mild steel plate (3) is that phosphorus content is less than 0.25%(weight) mild steel steel plate.
4. in steel pipe concrete frame double steel plate claimed in claim 1, weld the preparation method of mild steel plate compound shear wall, the method comprises the following steps:
1) configuration steel pipe concrete frame (1), and in the upper welding of steel pipe concrete frame (1) in order to the fixing vertical steel lath (8) of the steel plate of body of wall both sides (2);
2) the dark mild steel plate (3) that supports of configuration, secretly supports mild steel plate (3) and is divided into mild steel plate band I(10) and mild steel plate band II(11), in the inner side of steel plate (2), each pastes one of weldering respectively, and diagonal cross becomes X font;
3) arrange the distribution reinforcement net (4) that the transverse reinforcement (12) of being arranged by along continuous straight runs and the vertical reinforcement (13) of vertically arranging form, be arranged in the centre of dark support mild steel plate (3), and by tension rib (7) drawknot for the distribution reinforcement net (4) of both sides;
4) by described step 1), 2), 3) steel plate (2) is arranged in the both sides of formed cavity, and the steel plate of both sides (2) and the vertical steel lath (8) on steel pipe concrete frame (1) are welded, the upper punching of steel plate (2) in both sides, connects the steel plate of both sides (2) with peg (9);
5) configure base beam (6), inserts the steel plate (2) of steel pipe concrete frame (1), both sides and distribution reinforcement net (4) in grade beam (6), and is welded on the steel plate of grade beam (6) bottom surface; Build the inner concrete of grade beam (6), after concrete curing, make grade beam (6) and steel plate (2), the bottom of the vertical reinforcement (13) in distribution reinforcement net (4) of steel pipe concrete frame (1), both sides realize and being rigidly connected;
6) arrange upper side frame beam (5), be reliably connected with the vertical reinforcement (13) in distribution reinforcement net (4) with the steel plate (2) of steel pipe concrete frame (1), both sides;
7) to steel plate (2), upper side frame beam (5) and the inner concreting of grade beam (6) of reinforced concrete frame (1), both sides, after maintenance moulding equivalent with welding mild steel plate compound shear wall in steel pipe concrete frame double steel plate under steel.
CN201410016323.XA 2014-01-14 2014-01-14 Combined shear wall formed by steel pipe concrete frame, double-steel-plate shear wall and inside welded concealed bracing mild steel plates under equivalent steel Pending CN103711231A (en)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN106337512A (en) * 2016-11-03 2017-01-18 北京工业大学 The bottom reinforced concrete-filled steel tubular frame high-strength concrete composite shear wall and manufacturing method
CN106499089A (en) * 2016-11-03 2017-03-15 北京工业大学 The reinforced high-strength concrete compound shear wall in bottom and preparation method
CN110130534A (en) * 2019-05-24 2019-08-16 中国十七冶集团有限公司 A kind of novel energy-consumption precast shear wall and its processing installation method

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106337512A (en) * 2016-11-03 2017-01-18 北京工业大学 The bottom reinforced concrete-filled steel tubular frame high-strength concrete composite shear wall and manufacturing method
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CN110130534A (en) * 2019-05-24 2019-08-16 中国十七冶集团有限公司 A kind of novel energy-consumption precast shear wall and its processing installation method

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Application publication date: 20140409