CN102561553A - Prefabricated concrete-filled steel tube frame-shear wall and construction method thereof - Google Patents
Prefabricated concrete-filled steel tube frame-shear wall and construction method thereof Download PDFInfo
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- CN102561553A CN102561553A CN2012100548093A CN201210054809A CN102561553A CN 102561553 A CN102561553 A CN 102561553A CN 2012100548093 A CN2012100548093 A CN 2012100548093A CN 201210054809 A CN201210054809 A CN 201210054809A CN 102561553 A CN102561553 A CN 102561553A
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Abstract
The invention relates to a shear wall and a construction method thereof, in particular to a prefabricated concrete-filled steel tube frame-shear wall and a construction method thereof. The shear wall includes an integral prefabricated concrete-filled steel tube frame-shear wall and a split prefabricated concrete-filled steel tube frame-shear wall. The integral prefabricated concrete-filled steel tube frame-shear wall comprises a concrete-filled steel tube frame and an integral shear wall slab. The split prefabricated concrete-filled steel tube frame-shear wall comprises a combined wall slab, a single wall slab and a concrete-filled steel tube frame. Both the integral prefabricated concrete-filled steel tube frame-shear wall and the split prefabricated concrete-filled steel tube frame-shear wall are prefabricated in a factory. In construction, the wall slabs are hoisted in position one by one, the prefabricated concrete-filled steel tube frame-shear wall slabs are connected, and construction of a single-layer structure is complete step by step. The advantages of the concrete-filled steel tube columns and the reinforced concrete shear walls are integrated, the bearing capacity and the rigidity of the shear wall are enhanced, the ductility and the energy consumption behavior of the shear wall are improved, and by means of prefabrication in the factory and on-site assembly, construction quality of building components can be guaranteed, construction speed is increased and labor intensity is reduced.
Description
Technical field:
The present invention relates to shear wall and job practices thereof, specifically is a kind of prefabricated steel pipe concrete frame shear wall and job practices thereof.
Background technology:
Highrise building has become the principal mode of reinforced concrete buildings.At present, the structural system that is used for high residential building is the prefabricated assembled concrete shear wall structure, can be divided into prefabricated shear wall structure of part and complete prefabricated shear wall structure again.The prefabricated shear wall structure of part mainly refers to the structure that interior wall is cast-in-place, exterior wall is prefabricated, because interior wall still is cast-in-place, its prefabricated rate is lower.Complete prefabricated shear wall structure refers to that whole shear walls adopt the splicing prefabricated components assembling.The prefabricated rate of this structural system is higher than the former, but because interior vertical muscle of shear wall constrained edge member and stirrup configuration are more, the joint construction more complicated of precast assembly seam, difficulty of construction is bigger.The edge member of present assembling shear wall structure also adopts cast-in-place form, has reduced the prefabricated rate of structure, and the field engineering amount is bigger, and to compare advantage not obvious with the cast-in-place shear wall structure, influenced applying of it.
Summary of the invention:
The present invention is intended to solve the problems referred to above that existing complete prefabricated shear wall structure exists; And a kind of ductility of Reinforced Concrete Shear Walls, energy consumption ability of significantly improving is provided, realize simultaneously that the site operation operation is rapid, the standardized prefabricated steel pipe concrete frame shear wall of construction quality and job practices thereof.
The technical scheme that the present invention solves said problem employing is:
A kind of prefabricated steel pipe concrete frame shear wall; Comprise steel pipe concrete frame, shear wall slab; Said steel pipe concrete frame and shear wall slab all are prefabricated in the factory and form, and dispose the reinforced mesh of being made up of transversely distributed steelbar and vertical distribution reinforcement in the shear wall slab, between reinforced mesh, are provided with connecting lacing wire; Be provided with angle steel corner protector along lower limb total length on the shear wall slab; At the vertical dowel of the pre-buried wallboard of shear wall slab upper limb, reserve vertical dowel sleeve at the shear wall slab lower edge, and reserve the grout hole that communicates with vertical dowel sleeve ends at shear wall slab lower panel face; The outside of said steel pipe concrete frame is preset with the U-shaped shear connector; Transversely distributed steelbar welding in this U-shaped shear connector and the said shear wall slab; The steel pipe two ends of steel pipe concrete frame are reserved with the connection length of concrete filled steel tube connector, and are reserved with the construction space of dark beam and cast-in-situ floor.
Further; Said shear wall slab is a whole wall sheet; Its two side ends is welded to connect through the preset U-shaped shear connector of its transversely distributed steelbar and the steel pipe concrete frame outside; The steel pipe concrete frame of this integral body wall sheet and its two side ends constitutes integrated precast steel pipe concrete frame shear wall sheet, and forms by factory is integral prefabricated.
In addition; Said shear wall slab can also be made up of compound wall sheet and single wall sheet; Said compound wall sheet one end is welded to connect through the preset U-shaped shear connector of its transversely distributed steelbar and the steel pipe concrete frame outside; The edge total length of this compound wall sheet other end is provided with angle steel corner protector; This angle steel corner protector is provided with the U-shaped shear connector, and the steel pipe concrete frame of said compound wall sheet and one of which end constitutes split type prefabricated steel pipe concrete frame shear wall sheet, and forms in that factory is integral prefabricated; Its wallboard edge total length of said single wall sheet is provided with angle steel corner protector, wherein is preset with the U-shaped shear connector that is connected with the compound wall sheet on the angle steel corner protector of two side ends, and single wall sheet is formed by prefabrication.
The job practices of above-mentioned prefabricated steel pipe concrete frame shear wall comprises integrated precast steel pipe concrete frame shear wall construction method and split type prefabricated steel pipe concrete frame shear wall construction method, and division is following:
A. integrated precast steel pipe concrete frame shear wall construction method the steps include:
A. the integrated precast steel pipe concrete frame shear wall sheet that is prefabricated in the factory and constitutes by two ends steel pipe concrete frame and middle monoblock shear wall slab, and make the steel pipe connector, be transported to the job site;
B. the combiner with the steel pipe connector is connected with the steel pipe concrete frame upper and lower side respectively; And inwall welds cross guiding shear resisting board on steel pipe concrete frame; By design shear wall displacement burst lifting integrated precast steel pipe concrete frame shear wall sheet; And adopting interim support fixation shear wall sheet position, the vertical dowel sleeve that needs to guarantee the upper walls sheet accurately is inserted in the vertical dowel of lower floor's wall sheet, and the steel pipe connector is connected;
C. after integrated precast steel pipe concrete frame shear wall sheet is all installed, is connected; In the middle of shear wall sheet up and down, arrange the steel mesh reinforcement and the formwork of dark beam and cast-in-situ floor in the headspace according to working procedure; Pour into a mould the concrete of cast-in-situ floor and steel pipe concrete frame then, the concrete casting of steel pipe concrete frame to gas port lower section, treat that maintenance is accomplished after; Remove interim support, pour into high-strength binding material through grout hole and carry out anchoring;
D. carry out the construction of other floor integrated precast steel pipe concrete frame shear wall sheets successively, finally form prefabricated steel pipe concrete frame shear wall.
B. split type prefabricated steel pipe concrete frame shear wall construction method the steps include:
A. at prefabricated respectively split type prefabricated steel pipe concrete frame shear wall sheet and the single wall sheet that constitutes by the steel pipe concrete frame of compound wall sheet and one of which end of factory, and make the steel pipe connector, be transported to the job site;
B. the combiner with the steel pipe connector is connected with the steel pipe concrete frame upper and lower side respectively; And inwall welds cross guiding shear resisting board on steel pipe concrete frame, lifts split type prefabricated steel pipe concrete frame shear wall sheet earlier by the design shear wall displacement, and adopts interim support fixation shear wall sheet position; And the steel pipe connector connected; Lift single wall sheet then, and adopt interim support fixation shear wall sheet position, the vertical dowel sleeve that needs to guarantee the upper walls sheet accurately is inserted in the vertical dowel of lower floor's wall sheet; Require the U-shaped shear connector of compound wall sheet and single wall sheet link to align simultaneously, and adopt bolt to connect;
C. after split type prefabricated steel pipe concrete frame shear wall sheet and single wall sheet are all installed, are connected; In the middle of shear wall sheet up and down, arrange the steel mesh reinforcement and the formwork of dark beam and cast-in-situ floor in the headspace according to working procedure; Pour into a mould the concrete of cast-in-situ floor and steel pipe concrete frame then; The concrete casting of steel pipe concrete frame to gas port lower section, treat that maintenance is accomplished after, remove interim support; Pour into high-strength binding material through grout hole and carry out anchoring, and to the sealing of the perfusion of the piece between compound wall sheet and single wall sheet high-strength grout;
D. carry out the construction of split type prefabricated steel pipe concrete frame shear wall sheet of other floors and single wall sheet successively, finally form prefabricated steel pipe concrete frame shear wall.
Prefabricated steel pipe concrete frame shear wall according to the invention; Be to replace the shear wall edge member by steel pipe concrete frame; And combine with the reinforced concrete shear wall plate; Give full play to the advantage separately of steel core concrete column and reinforced concrete wall, make it have bigger bearing capacity and rigidity, have better ductility and energy-dissipating property; Realize the complete prefabricated processing of steel pipe concrete frame shear wall, on-the-spot splicing assembling simultaneously, promptly guaranteed the whole standardized and construction quality of building structure, also improved the speed of building operations, reduced labor operation intensity.
Description of drawings:
Fig. 1 is the sketch map of an element of construction of integrated precast steel pipe concrete frame shear wall.
Fig. 2 is an A-A section enlarged diagram among Fig. 1.
Fig. 3 is a B-B section enlarged diagram among Fig. 1.
Fig. 4 is the sketch map of an element of construction of split type prefabricated steel pipe concrete frame shear wall.
Fig. 5 is a C-C section enlarged diagram among Fig. 4.
Fig. 6 is a D connected node enlarged diagram among Fig. 5.
Fig. 7 is that prefabricated steel pipe concrete frame shear wall wallboard connects sketch map.
Fig. 8 is that prefabricated steel pipe concrete frame shear wall steel pipe concrete frame connects sketch map.
Among the figure: the 1-steel pipe concrete frame; The 2-shear wall slab; 3-concrete filled steel tube connector; The 4-angle steel corner protector; The 5-grout hole; The vertical dowel sleeve of 6-; The 7-transversely distributed steelbar; The vertical distribution reinforcement of 8-; 9-U shape shear connector; The vertical dowel of 10-; The 11-connecting lacing wire; 12-compound wall sheet; The single wall sheet of 13-; The 14-bolt; 15-upper walls sheet; 16-lower floor wall sheet; The dark beam of 17-; The 18-cast-in-situ floor; The 19-gas port; 20-cross guiding shear resisting board.
The specific embodiment:
Below in conjunction with accompanying drawing and embodiment the present invention is detailed.
The said prefabricated steel pipe concrete frame shear wall of present embodiment relates to integrated precast steel pipe concrete frame shear wall and split type prefabricated steel pipe concrete frame shear wall.
Referring to Fig. 1, Fig. 2, Fig. 3; The shear wall slab 2 of integrated precast steel pipe concrete frame shear wall is a whole wall sheet; Dispose the reinforced mesh of forming by transversely distributed steelbar 7 and vertical distribution reinforcement 8 in this shear wall slab 2; Between reinforced mesh, be provided with connecting lacing wire 11, be provided with angle steel corner protector 4, at the vertical dowel 10 of the pre-buried wallboard of shear wall slab 2 upper limbs along lower limb total length on the shear wall slab 2; Reserve vertical dowel sleeve 6 at shear wall slab 2 lower edges, and reserve the grout hole 5 that communicates with vertical dowel sleeve 6 ends at shear wall slab 2 lower panel faces; The outside of steel pipe concrete frame 1 is preset with U-shaped shear connector 9, and the steel pipe two ends are reserved with the connection length of concrete filled steel tube connector 3, and is reserved with the construction space of dark beam 13 and cast-in-situ floor 14.Between the steel pipe concrete frame 1 of above-mentioned shear wall slab 2 and its two side ends, the welded construction through this U-shaped shear connector 9 and this transversely distributed steelbar 7 is combined into one, and forms integrated precast steel pipe concrete frame shear wall sheet by prefabrication.
When being prefabricated in the factory, reserve the certain protection layer thickness in the wallboard two sides, template and fluid concrete through the standard curing aftershaping, are integrated precast steel pipe concrete frame shear wall sheet.
Referring to Fig. 4, Fig. 5, Fig. 6; The shear wall slab 2 of split type prefabricated steel pipe concrete frame shear wall is made up of compound wall sheet 12 and single wall sheet 13 two parts; Compound wall sheet 12 1 ends are welded to connect through its transversely distributed steelbar 7 and the preset U-shaped shear connector 9 in steel pipe concrete frame 1 outside; The edge total length of compound wall sheet 12 other ends is provided with angle steel corner protector 4; Also be provided with U-shaped shear connector 9 on this angle steel corner protector 4, the steel pipe concrete frame of said compound wall sheet 12 and one of which end 1 constitutes split type prefabricated steel pipe concrete frame shear wall sheet, and forms in that factory is integral prefabricated; Single wall sheet 13 its wallboard edge total lengths are provided with angle steel corner protector 4, wherein are preset with the U-shaped shear connector 9 that is connected with compound wall sheet 12 on the angle steel corner protector 4 of two side ends, and single wall sheet 13 is also formed by prefabrication.
When being prefabricated in the factory above-mentioned split type prefabricated steel pipe concrete frame shear wall sheet and single wall sheet 13, the same requirement reserved the certain protection layer thickness in the wallboard two sides, and template and fluid concrete are through the standard curing aftershaping.
Adopt the job practices of integrated precast steel pipe concrete frame shear wall, its order as follows:
1. be prefabricated in the factory integrated precast steel pipe concrete frame shear wall sheet and make concrete filled steel tube connector 3 is transported to the job site then.When making steel pipe concrete frame 1, the steel pipe upper end with in connect cross guiding shear resisting board 20 bottom level positions and offer gas port 19 (referring to Fig. 8).
2. referring to Fig. 7; The combiner of concrete filled steel tube connector 3 is connected with steel pipe concrete frame 1 upper and lower side respectively; And at steel pipe concrete frame 1 upper end inwall welding cross guiding shear resisting board 20; By design shear wall displacement burst lifting integrated precast steel pipe concrete frame shear wall sheet; And adopt interim support fixation shear wall sheet position, need to guarantee that the vertical dowel sleeve 6 of upper walls sheet 15 accurately is inserted in the vertical dowel 10 of lower floor's wall sheet 16, and concrete filled steel tube connector 3 is connected.
3. referring to Fig. 7, Fig. 8; After integrated precast steel pipe concrete frame shear wall sheet is all installed, is connected; In the middle of upper walls sheet 15 and lower floor's wall sheet 16, arrange the steel mesh reinforcement and the formwork of dark beam 17 and cast-in-situ floor 18 in the headspaces according to working procedure; Pour into a mould the concrete of cast-in-situ floor 18 and steel pipe concrete frame 1 then, require concrete casting to gas port 19 lower section of steel pipe concrete frame 1, treat that maintenance is accomplished after; Remove interim support, carry out anchoring through the high-strength binding material of grout hole 5 perfusions.
4. carry out the construction of other floor integrated precast steel pipe concrete frame shear wall sheets successively, finally form prefabricated steel pipe concrete frame shear wall.
Adopt the job practices of split type prefabricated steel pipe concrete frame shear wall, its order as follows:
1. with reference to the preparation method of integrated precast steel pipe concrete frame shear wall sheet and concrete filled steel tube connector 3, be prefabricated in the factory split type prefabricated steel pipe concrete frame shear wall sheet and single wall sheet 13 and make steel pipe connector 3, and be transported to the job site.
2. the combiner with concrete filled steel tube connector 3 is connected with steel pipe concrete frame 1 upper and lower side respectively; And at steel pipe concrete frame 1 upper end inwall welding cross guiding shear resisting board 20; Lift split type prefabricated steel pipe concrete frame shear wall sheet earlier by the design shear wall displacement; And adopt interim support fixation shear wall sheet position, and concrete filled steel tube connector 3 is connected, and then lift single wall sheet 13; And adopt interim support fixation shear wall sheet position; The vertical dowel sleeve 6 that needs to guarantee upper walls sheet 15 accurately is inserted in lower floor's wall sheet 16 vertical dowels 10, requires the U-shaped shear connector 96 of compound wall sheet 12 and single wall sheet 13 links to align simultaneously, and adopts bolt 14 to connect.
3. split type prefabricated steel pipe concrete frame shear wall sheet is with after single wall sheet 13 is all installed, is connected; In the middle of upper walls sheet 15 and lower floor's wall sheet 16, arrange the steel mesh reinforcement and the formwork of dark beam 17 and cast-in-situ floor 18 in the headspaces according to working procedure; Pour into a mould the concrete of cast-in-situ floor 18 and steel pipe concrete frame 1 then; Require concrete casting to gas port 19 lower section of steel pipe concrete frame 1; After treating that maintenance is accomplished, remove interim support, carry out anchoring through the high-strength binding material of grout hole 5 perfusions.And to the piece perfusion high-strength grout sealing of compound wall sheet 12 and single wall sheet 13.
4. carry out the construction of the split type prefabricated steel pipe concrete frame shear wall sheet of other floors successively, finally form prefabricated steel pipe concrete frame shear wall.
Claims (4)
1. prefabricated steel pipe concrete frame shear wall; Comprise steel pipe concrete frame, shear wall slab, it is characterized in that said steel pipe concrete frame and shear wall slab all are prefabricated in the factory and form; Dispose the reinforced mesh of forming by transversely distributed steelbar and vertical distribution reinforcement in the shear wall slab; Between reinforced mesh, be provided with connecting lacing wire, be provided with angle steel corner protector, at the vertical dowel of the pre-buried wallboard of shear wall slab upper limb along lower limb total length on the shear wall slab; Reserve vertical dowel sleeve at the shear wall slab lower edge, and reserve the grout hole that communicates with vertical dowel sleeve ends at shear wall slab lower panel face; The outside of said steel pipe concrete frame is preset with the U-shaped shear connector; Transversely distributed steelbar welding in this U-shaped shear connector and the said shear wall slab; The steel pipe two ends of steel pipe concrete frame are reserved with the connection length of concrete filled steel tube connector, and are reserved with the construction space of dark beam and cast-in-situ floor.
2. prefabricated steel pipe concrete frame shear wall as claimed in claim 1; It is characterized in that; Said shear wall slab is a whole wall sheet; Its two side ends is welded to connect through the preset U-shaped shear connector of its transversely distributed steelbar and the steel pipe concrete frame outside, and the steel pipe concrete frame of this integral body wall sheet and its two side ends constitutes integrated precast steel pipe concrete frame shear wall sheet, and forms by factory is integral prefabricated.
3. prefabricated steel pipe concrete frame shear wall as claimed in claim 1; It is characterized in that; Said shear wall slab is made up of compound wall sheet and single wall sheet; Said compound wall sheet one end is welded to connect through the preset U-shaped shear connector of its transversely distributed steelbar and the steel pipe concrete frame outside, and the edge total length of this compound wall sheet other end is provided with angle steel corner protector, and this angle steel corner protector is provided with the U-shaped shear connector; The steel pipe concrete frame of said compound wall sheet and one of which end constitutes split type prefabricated steel pipe concrete frame shear wall sheet, and forms in that factory is integral prefabricated; Its wallboard edge total length of said single wall sheet is provided with angle steel corner protector, wherein is preset with the U-shaped shear connector that is connected with the compound wall sheet on the angle steel corner protector of two side ends, and single wall sheet is formed by prefabrication.
4. the job practices of a prefabricated steel pipe concrete frame shear wall as claimed in claim 1 comprises integrated precast steel pipe concrete frame shear wall construction method and split type prefabricated steel pipe concrete frame shear wall construction method, it is characterized in that:
A. integrated precast steel pipe concrete frame shear wall construction method the steps include:
A. the integrated precast steel pipe concrete frame shear wall sheet that is prefabricated in the factory and constitutes by two ends steel pipe concrete frame and middle monoblock shear wall slab, and make the steel pipe connector, be transported to the job site;
B. the combiner with the steel pipe connector is connected with the steel pipe concrete frame upper and lower side respectively; And inwall welds cross guiding shear resisting board on steel pipe concrete frame; By design shear wall displacement burst lifting integrated precast steel pipe concrete frame shear wall sheet; And adopting interim support fixation shear wall sheet position, the vertical dowel sleeve that needs to guarantee the upper walls sheet accurately is inserted in the vertical dowel of lower floor's wall sheet, and the steel pipe connector is connected;
C. after integrated precast steel pipe concrete frame shear wall sheet is all installed, is connected; In the middle of shear wall sheet up and down, arrange the steel mesh reinforcement and the formwork of dark beam and cast-in-situ floor in the headspace according to working procedure; Pour into a mould the concrete of cast-in-situ floor and steel pipe concrete frame then, the concrete casting of steel pipe concrete frame to gas port lower section, treat that maintenance is accomplished after; Remove interim support, pour into high-strength binding material through grout hole and carry out anchoring;
D. carry out the construction of other floor integrated precast steel pipe concrete frame shear wall sheets successively, finally form prefabricated steel pipe concrete frame shear wall;
B. split type prefabricated steel pipe concrete frame shear wall construction method the steps include:
A. at prefabricated respectively split type prefabricated steel pipe concrete frame shear wall sheet and the single wall sheet that constitutes by the steel pipe concrete frame of compound wall sheet and one of which end of factory, and make the steel pipe connector, be transported to the job site;
B. the combiner with the steel pipe connector is connected with the steel pipe concrete frame upper and lower side respectively; And inwall welds cross guiding shear resisting board on steel pipe concrete frame, lifts split type prefabricated steel pipe concrete frame shear wall sheet earlier by the design shear wall displacement, and adopts interim support fixation shear wall sheet position; And the steel pipe connector connected; Lift single wall sheet then, and adopt interim support fixation shear wall sheet position, the vertical dowel sleeve that needs to guarantee the upper walls sheet accurately is inserted in the vertical dowel of lower floor's wall sheet; Require the U-shaped shear connector of compound wall sheet and single wall sheet link to align simultaneously, and adopt bolt to connect;
C. after split type prefabricated steel pipe concrete frame shear wall sheet and single wall sheet are all installed, are connected; In the middle of shear wall sheet up and down, arrange the steel mesh reinforcement and the formwork of dark beam and cast-in-situ floor in the headspace according to working procedure; Pour into a mould the concrete of cast-in-situ floor and steel pipe concrete frame then; The concrete casting of steel pipe concrete frame to gas port lower section, treat that maintenance is accomplished after, remove interim support; Pour into high-strength binding material through grout hole and carry out anchoring, and to the sealing of the perfusion of the piece between compound wall sheet and single wall sheet high-strength grout;
D. carry out the construction of split type prefabricated steel pipe concrete frame shear wall sheet of other floors and single wall sheet successively, finally form prefabricated steel pipe concrete frame shear wall.
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