CN1995579A - Steel pipe concrete frame-steel truss-concrete combined shear wall and its manufacture method - Google Patents
Steel pipe concrete frame-steel truss-concrete combined shear wall and its manufacture method Download PDFInfo
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- CN1995579A CN1995579A CN 200610169832 CN200610169832A CN1995579A CN 1995579 A CN1995579 A CN 1995579A CN 200610169832 CN200610169832 CN 200610169832 CN 200610169832 A CN200610169832 A CN 200610169832A CN 1995579 A CN1995579 A CN 1995579A
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Abstract
The invention relates to a steel-tube concrete frame-steel frame-concrete composite shear wall and the manufacturing method, belonging to a shear wall and the manufacturing method. The shear wall comprises frame and shear wall board. Steel bar mesh made by steel bar group in transversal and longitudinal directions is made in shear wall board. Linked rib (11) is set between steel bar meshes. Between two rows of steel bar meshes concealed section steel support (2) and concealed steel bar (9) support are set. Section steel beam (4) is set in frame beam and steel tube concrete frame columns (3) are set at two ends of shear wall. The combination of section steel beam (4), steel tube concrete frame column (3), concealed section steel support (2) and concealed steel bar support (9) is set in shear wall and steel frame (1) is set in the concrete shear wall. The concealed support can be combined in BA-shape, X or V-shape. The shear wall in invention is provided with large initial rigidity, high load capacity, slow attenuation of load capacity and rigidity, good total aseismic consumed energy behavior, relative stability of later aseismic performance and lessened damage of bottom shear slip.
Description
Technical field
The present invention is a kind of steel pipe concrete frame-steel truss-concrete combined shear wall and preparation method, belongs to a kind of shear wall and preparation method thereof.
Background technology
Along with the needs of development of social production and people's life, highrise building is more and more.The steel concrete highrise building that has a large capacity and a wide range is made of beam, post, floor and shear wall and cylindrical shell usually.Shear wall and be the core of highrise building antidetonation by the cylindrical shell that shear wall is formed, the anti-seismic performance of shear wall structure has crucial effects for highrise building safe and reliable.Particularly in recent years, the large complicated highrise building of pursuing individualityization is increasing, and the anti-seismic performance that shear wall is reached the cylindrical shell of being made up of shear wall requires also more and more higher.Existing reinforced concrete shear wall ductility under geological process is relatively poor, and brittle fracture takes place easily, and this is very unfavorable to integrally-built anti-seismic performance.
The steel-concrete compound shear wall combines reinforced concrete structure and steel work, can remedy shortcoming separately, brings into play their advantage better, makes structure have bigger bearing capacity and rigidity, has better ductility and energy dissipation capacity.The steel pipe concrete frame shear wall is a kind of of steel-concrete compound shear wall, has been applied in the core tube of 72 floor match lattice square, Shenzhen mansion." concrete-filled rectangular steel tube structure technology rules " also to the proposition of this shear wall computational methods.This shear wall steel pipe concrete frame strengthens the constraint of concrete panel; Steel core concrete column has better later stage bearing capacity.But the reinforced concrete wall panel in this shear wall is relatively poor as the first line of defence ductility, has influenced whole shear wall so that the lateral resisting ability of total, i.e. shock resistance.
The patent No. of the applicant's application is that " built-in steel truss concrete compound shear wall " patent of ZL200520017358.1 is dual compound shear wall, has brought into play the advantage of high-rise steel truss and concrete shear force wall, has improved the energy dissipation capacity of shear wall.But shaped steel is very weak to concrete constraint in this kind shear wall frame columns, can not improve the bearing capacity and the ductility of its surrounding concrete, simultaneously, frame columns to the effect of contraction of shear wall slab also a little less than.
Summary of the invention
Technical problem to be solved by this invention is the problem that significantly improves steel pipe concrete frame ductility of sheer wall, energy dissipation ability, has designed the steel pipe concrete frame-steel truss-concrete combined shear wall.
The technical solution used in the present invention is: the steel pipe concrete frame-steel truss-concrete combined shear wall, constitute by steel pipe concrete frame post and shear wall slab, the steel mesh reinforcement that configuration is made up of horizontal and vertical distribution reinforcement in shear wall slab, between steel mesh reinforcement, socket with connecting lacing wire 11, between two placing of reinforcement nets, add and join the dark support 2 of shaped steel, reinforcing bar is dark to support 9, it is characterized in that: section steel beam 4 is set in the frame beam, the shear wall two ends are provided with rectangle, circle or rectangle and circular combined shaped, it is the steel pipe concrete frame post 3 of table tennis bat tee section, section steel beam 4, steel pipe concrete frame post 3, dark support 2 of shaped steel and dark 9 combinations, the formation steel truss 1 of supporting of reinforcing bar.
Described steel pipe concrete frame-steel truss-concrete combined shear wall, it is characterized in that: dark support 2 of the shaped steel that installs in the shear wall slab steel mesh reinforcement and the dark support 9 of reinforcing bar are herringbone, its upper end is stretched in the frame beam of top and is connected with section steel beam 4 in the beam, the lower end is stretched in the node of bottom frame beam and steel pipe concrete frame post, be connected simultaneously with section steel beam 4 in steel pipe concrete frame post 3, the bottom frame beam, the section steel beam 4 in dark support 2 of shaped steel and the dark support 9 of reinforcing bar, the frame beam and steel pipe concrete frame post 3 combinations at shear wall two ends form steel truss 1.
Described steel pipe concrete frame-steel truss-concrete combined shear wall, it is characterized in that: dark support 2 of the shaped steel that installs in the shear wall slab steel mesh reinforcement and the dark support 9 of reinforcing bar are X-shaped, its upper end is stretched in the node of top frame beam and frame columns, with steel pipe concrete frame post 3, section steel beam 4 connects simultaneously in the frame beam of top, the lower end is stretched in the node of bottom frame beam and frame columns and steel pipe concrete frame post 3, section steel beam 4 connects simultaneously in the frame beam of bottom, dark support 2 of shaped steel and the dark support 9 of reinforcing bar, the steel pipe concrete frame post 3 at shear wall two ends and 4 combinations of the section steel beam in the frame beam form steel truss 1.
Described steel pipe concrete frame-steel truss-concrete combined shear wall, it is characterized in that: dark support 2 of the shaped steel that installs in the shear wall slab steel mesh reinforcement and the dark support 9 of reinforcing bar are splayed, its upper end is stretched in the frame beam of top and is connected with section steel beam 4 in the beam, the lower end is stretched in the node of bottom frame beam and frame columns and steel pipe concrete frame post 3, section steel beam 4 connects simultaneously in the frame beam of bottom, dark support 2 of shaped steel and the dark support 9 of reinforcing bar, section steel beam 4 in the frame beam and 3 combinations of the steel pipe concrete frame post at shear wall two ends are at the inner steel truss 1 that forms of concrete shear force wall.
According to technical scheme of the present invention, adopt the preparation method of steel pipe concrete frame-steel truss-concrete combined shear wall, its order is as follows:
1. make the steel pipe of steel pipe concrete frame post 3, the prefabricated units at configuration bean column node place are at steel pipe walls reserving hole or prewelding riser, in order to 5 anchorings of wallboard transverse reinforcement;
2. make the section steel beam 4 in the frame beam, section steel beam and steel pipe concrete frame post 3 reliably are rigidly connected;
3. configuration shaped steel is dark supports 2, upper and lower end respectively with the frame beam in section steel beam 4,3 welding of steel pipe concrete frame post;
4. dispose the vertical muscle 7 of frame beam in section steel beam 4 outsides, at the rectangle hoop 8 of vertical muscle 7 outsides even colligation frame beam;
5. the outside configuration reinforcement in the dark support 2 of shaped steel secretly supports 9, and evenly stirrup 10 is secretly supported in colligation outside it, with secretly support 2 of shaped steel, steel pipe concrete frame post 3, section steel beam 4 common formation steel trusss 1;
6. wallboard transverse reinforcement 5, the vertical reinforcement 6 of configuration shear wall, transverse reinforcement 5 stretch in the reserving hole of steel pipe concrete frame post 3 or with the prewelding riser welding of steel pipe concrete frame post 3;
7. stay certain protective layer thickness, a template at the shear wall wallboard and the frame beam outside;
8. build the interior concrete of steel pipe and the concrete of wallboard and frame beam, be the steel pipe concrete frame-steel truss-concrete combined shear wall after the moulding.
Compound shear wall of the present invention is different stress systems---the combination of truss and shear wall, and the combination of different materials---steel and steel concrete, the combination of various combination member---concrete filled steel tube and steel reinforced concrete is a kind of triple compound shear wall.The bearing diagonal of the truss that the present invention is built-in partly helps improving the shear-carrying capacity of reinforced concrete wall panel part as the antidetonation the first line of defence, ductility and energy dissipation capacity, also be beneficial to the two Load Redistribution of bearing of shear wall and steel pipe column, a part of pressure transfer that shear wall is born is in steel core concrete column, reduce the ratio of axial compressive force to axial compressive ultimate capacity of section in the shear wall, thereby make thinner that shear wall can design, increase the usable floor area of building.After wallboard destroyed in antidetonation, the trussed construction that bearing diagonal and upper and lower frame beam, steel core concrete column form was a geometrically stable system, and steel truss self can form good force transfer system, thereby kept the resistance to overturning of structure.Compare with common steel tube concrete frame shear wall, supporting capacity improves, and bearing capacity and stiffness degradation are slack-off, and the later stage anti-seismic performance is relatively stable, and the bottom shear sliding rupture alleviates.
Compound shear wall of the present invention is compared with the built-in steel truss concrete compound shear wall patent of the applicant's application, and the built-in steel truss concrete compound shear wall is dual compound shear wall, and shear wall of the present invention is triple compound shear walls.Steel pipe concrete frame strengthens the constraint of concrete panel, can further suppress carrying out of crack in the wallboard; Because creeping of steel core concrete column and reinforced concrete wall is poor, make the two Load Redistribution of bearing of shear wall and steel pipe column, be about to a part of pressure transfer that shear wall bears in steel core concrete column, reduced the ratio of axial compressive force to axial compressive ultimate capacity of section of shear wall, can reduce the thickness of shear wall, increase the usable floor area of structure, under the suitable situation of steel using amount, can bring bigger economic benefit.
Because shear wall is the core lateral resisting parts of building structure, has improved the shock resistance of shear wall, has also just improved the whole shock resistance of structure, when building meets with violent earthquake, can alleviate its earthquake, prevent that it from collapsing.
Description of drawings
Fig. 1 is dark support of shaped steel and the dark structural reinforcement schematic diagram that supports an element of construction of shear wall when being herringbone of reinforcing bar in the steel pipe concrete frame-steel truss-concrete combined shear wall of the present invention;
Fig. 2 is A among Fig. 1-A section enlarged diagram;
Fig. 3 is B among Fig. 1-B section enlarged diagram;
Fig. 4 is dark support of shaped steel and the dark structural reinforcement schematic diagram that supports an element of construction of shear wall when being X-shaped of reinforcing bar in the steel pipe concrete frame-steel truss-concrete combined shear wall of the present invention;
Fig. 5 is dark support of shaped steel and the dark structural reinforcement schematic diagram that supports an element of construction of shear wall when being splayed of reinforcing bar in the steel pipe concrete frame-steel truss-concrete combined shear wall of the present invention;
Fig. 6 is dark support of shaped steel and the dark structural reinforcement schematic diagram that is an element of construction of shear wall when herringbone is netted arranges that supports of reinforcing bar in the steel pipe concrete frame-steel truss-concrete combined shear wall of the present invention;
Fig. 7 is dark support of shaped steel and the dark structural reinforcement schematic diagram that is an element of construction of shear wall when X-shaped is netted to be arranged that supports of reinforcing bar in the steel pipe concrete frame-steel truss-concrete combined shear wall of the present invention;
Fig. 8 is dark support of shaped steel and the dark structural reinforcement schematic diagram that is an element of construction of shear wall when splayed is netted arranges that supports of reinforcing bar in the steel pipe concrete frame-steel truss-concrete combined shear wall of the present invention.
The explanation of accompanying drawing code name:
The 1-steel truss, 2-shaped steel secretly supports, 3-steel pipe concrete frame post, the 4-section steel beam, 5-wallboard transverse reinforcement, 6-wallboard vertical reinforcement, the vertical muscle of 7-frame beam, the rectangle hoop of 8-frame beam, the 9-reinforcing bar secretly supports, and 10-secretly supports stirrup, the 11-connecting lacing wire.
The specific embodiment
The structural reinforcement schematic diagram of an element of construction of steel pipe concrete frame-steel truss-concrete combined shear wall such as Fig. 1, Fig. 2 and shown in Figure 3.Unreinforced in the steel pipe concrete frame post 3; Shear wall frame beam is the vertical muscle 7 of section steel beam 4 peripheral disposition, along the vertical muscle 7 of beam equably colligation rectangle hoop 8, the rectangle hoop 8 of frame beam is evenly distributed to beam-ends; The arrangement of reinforcement of shear wall slab is: the both sides in the panel width direction are vertically arranged shear wall slab transverse reinforcement 5 and vertical reinforcement 6 respectively equably along laterally reaching, and in the crosspoint colligation is fixed, form two steel mesh reinforcements, anchoring in steel core concrete column (the sidewall punching of post) and the frame beam is inserted at the two ends of transverse reinforcement 5 and vertical reinforcement 6 respectively; The connecting lacing wire 11 that is less than or equal to 600mm with spacing between two steel mesh reinforcements of shear wall links to each other.Dark four reinforcing bars of 2 outer layouts that support of shaped steel support 9 as reinforcing bar is dark, and reinforcing bar secretly supports the 9 outer stirrups 10 that evenly installing.The dark support 2 of shaped steel is stretched into top frame beam with the dark support of reinforcing bar 9 upper ends and is connected with section steel beam 4 in the beam, its lower end is stretched in the node of steel pipe concrete frame post and bottom frame beam, be connected with section steel beam 4 in steel pipe concrete frame post 3, the bottom frame beam, form built-in steel truss 1.With frame columns, frame beam and the moulding of shear wall slab one piece disturbing concrete, promptly constitute the steel pipe concrete frame-steel truss-concrete combined shear wall at last.
Preparation method:
1. make 3 steel pipes of steel pipe concrete frame post, establish dividing plate in bean column node place steel pipe, the short girder steel of post outside weld is at the steel pipe walls reserving hole, in order to the transverse reinforcement 5 of plate through walls;
2. make the section steel beam 4 in the frame beam, the edge of a wing welding of the default short girder steel in the edge of a wing of section steel beam and post limit, the web of girder steel is connected with double plate high-strength bolt friction-type with the web of short girder steel;
3. configuration shaped steel is dark supports 2, upper and lower end respectively with the frame beam in section steel beam 4,3 welding of steel pipe concrete frame post;
4. dispose the vertical muscle 7 of frame beam in section steel beam 4 outsides, at the rectangle hoop 8 of vertical muscle 7 outsides even colligation frame beam;
5. the outside configuration reinforcement in the dark support 2 of shaped steel secretly supports 9, and evenly stirrup 10 is secretly supported in colligation outside it, with secretly support 2 of shaped steel, steel pipe concrete frame post 3, section steel beam 4 common formation steel trusss 1;
6. dispose the transverse reinforcement and the vertical reinforcement 5,6 of shear wall, transverse reinforcement stretches in the reserving hole of steel pipe concrete frame post 3;
7. stay certain protective layer thickness, a template at the shear wall wallboard and the frame beam outside;
8. build the interior concrete of steel pipe and the concrete of wallboard and frame beam, be the steel pipe concrete frame-steel truss-concrete combined shear wall after the moulding.
Second kind of form of structure of steel pipe concrete frame-steel truss-concrete combined shear wall as shown in Figure 4, be that dark support 2 of X-shaped shaped steel and the dark support 9 of reinforcing bar are set in two steel mesh reinforcement inboards of shear wall slab, its upper end is stretched in the node of frame columns and top frame beam, is connected with section steel beam 4 in steel pipe concrete frame post 3, the top frame beam.The lower end is stretched in the node of frame columns and bottom frame beam, is connected with section steel beam 4 in steel pipe concrete frame post 3, the bottom frame beam.Others are identical with first kind of form.
The third form of structure of steel pipe concrete frame-steel truss-concrete combined shear wall as shown in Figure 5, be that dark support 2 of splayed shaped steel and the dark support 9 of reinforcing bar are set in two steel mesh reinforcement inboards of shear wall slab, its upper end is stretched into top frame beam and is connected with section steel beam 4 in the beam, its lower end is stretched in the node of frame columns and bottom frame beam, is connected with section steel beam 4 in steel pipe concrete frame post 3, the bottom frame beam.Others are identical with first kind of form.
When the shear wall depth-width ratio is smaller than 1, adopt a plurality of compound dark support net to arrange that effect is better.
The steel pipe concrete frame-steel truss-concrete combined shear wall fourth, fifth, six kind of form of structure is respectively as Fig. 6, Fig. 7, shown in Figure 8, this moment, the shear wall depth-width ratio all was smaller than 1, one of optional above-mentioned three kinds of modes of the mode of built-in steel truss in the wallboard, other structure is identical with first kind of mode.
Claims (5)
1. steel pipe concrete frame-steel truss-concrete combined shear wall, constitute by steel pipe concrete frame post and shear wall slab, the steel mesh reinforcement that configuration is made up of horizontal and vertical distribution reinforcement in shear wall slab, between steel mesh reinforcement, socket with connecting lacing wire (11), between two placing of reinforcement nets, add and join shaped steel and secretly support (2), reinforcing bar secretly supports (9), it is characterized in that: section steel beam (4) is set in the frame beam, the shear wall two ends are provided with rectangle, the steel pipe concrete frame post (3) of circle or rectangle and circular combination shaped cross, section steel beam (4), steel pipe concrete frame post (3), shaped steel secretly supports (2) and secretly supports (9) combination with reinforcing bar, forms steel truss (1).
2. steel pipe concrete frame-steel truss-concrete combined shear wall according to claim 1, it is characterized in that: the shaped steel that installs in the shear wall slab steel mesh reinforcement secretly supports (2) and reinforcing bar secretly supports (9) and is herringbone, its upper end is stretched in the frame beam of top and is connected with section steel beam (4) in the beam, the lower end is stretched in the node of bottom frame beam and steel pipe concrete frame post, with steel pipe concrete frame post (3), section steel beam (4) connects simultaneously in the frame beam of bottom, shaped steel secretly supports (2) and reinforcing bar secretly supports (9), steel pipe concrete frame post (3) combination at section steel beam in the frame beam (4) and shear wall two ends forms steel truss (1).
3. steel pipe concrete frame-steel truss-concrete combined shear wall according to claim 1, it is characterized in that: the shaped steel that installs in the shear wall slab steel mesh reinforcement secretly supports (2) and reinforcing bar secretly supports (9) and is X-shaped, its upper end is stretched in the node of top frame beam and frame columns, with steel pipe concrete frame post (3), section steel beam (4) connects simultaneously in the frame beam of top, the lower end is stretched in the node of bottom frame beam and frame columns and steel pipe concrete frame post (3), section steel beam (4) connects simultaneously in the frame beam of bottom, shaped steel secretly supports (2) and reinforcing bar secretly supports (9), the steel pipe concrete frame post (3) at shear wall two ends and the combination of the section steel beam (4) in the frame beam form steel truss (1).
4. steel pipe concrete frame-steel truss-concrete combined shear wall according to claim 1, it is characterized in that: the shaped steel that installs in the shear wall slab steel mesh reinforcement secretly supports (2) and reinforcing bar secretly supports (9) and is splayed, its upper end is stretched in the frame beam of top and is connected with section steel beam (4) in the beam, the lower end is stretched in the node of bottom frame beam and frame columns and steel pipe concrete frame post (3), section steel beam (4) connects simultaneously in the frame beam of bottom, shaped steel secretly supports (2) and reinforcing bar secretly supports (9), steel pipe concrete frame post (3) combination at section steel beam in the frame beam (4) and shear wall two ends is at the inner steel truss (1) that forms of concrete shear force wall.
5. the preparation method of steel pipe concrete frame-steel truss-concrete combined shear wall is characterized in that:
1) steel pipe of making steel pipe concrete frame post (3), the prefabricated units at configuration bean column node place are at steel pipe walls reserving hole or prewelding riser, in order to wallboard transverse reinforcement (5) anchoring;
2) section steel beam (4) in the making frame beam, section steel beam and steel pipe concrete frame post (3) reliably are rigidly connected;
3) configuration shaped steel secretly supports (2), upper and lower end respectively with the frame beam in the welding of section steel beam (4), steel pipe concrete frame post (3);
4) at the vertical muscle (7) of section steel beam (4) outside configuration frame beam, indulging the evenly rectangle hoop (8) of colligation frame beam of muscle (7) outside;
5) outside configuration reinforcement that secretly supports (2) at shaped steel secretly supports (9), and evenly stirrup (10) is secretly supported in colligation in its outside, secretly supports (2), steel pipe concrete frame post (3) with shaped steel, section steel beam (4) constitutes steel truss (1) jointly;
6) wallboard transverse reinforcement (5), the vertical reinforcement (6) of configuration shear wall, transverse reinforcement (5) stretch in the reserving hole of steel pipe concrete frame post (3) or with the prewelding riser welding of steel pipe concrete frame post (3);
7) stay certain protective layer thickness, a template at the shear wall wallboard and the frame beam outside;
8) build the interior concrete of steel pipe and the concrete of wallboard and frame beam, be the steel pipe concrete frame-steel truss-concrete combined shear wall after the moulding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101698321A CN1995579B (en) | 2006-12-29 | 2006-12-29 | Steel pipe concrete frame-steel truss-concrete combined shear wall and its manufacture method |
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| CN2006101698321A CN1995579B (en) | 2006-12-29 | 2006-12-29 | Steel pipe concrete frame-steel truss-concrete combined shear wall and its manufacture method |
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| CN1995579A true CN1995579A (en) | 2007-07-11 |
| CN1995579B CN1995579B (en) | 2011-09-07 |
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| CN101899865A (en) * | 2009-05-26 | 2010-12-01 | 大场喜和 | Earthquake resistant structure body and antidetonation construction method |
| CN102888945A (en) * | 2012-11-04 | 2013-01-23 | 西安建筑科技大学 | Small span-depth ratio crossed diagonal inclined bar connecting beam |
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| CN102888945A (en) * | 2012-11-04 | 2013-01-23 | 西安建筑科技大学 | Small span-depth ratio crossed diagonal inclined bar connecting beam |
| CN103397695A (en) * | 2013-08-01 | 2013-11-20 | 香港华艺设计顾问(深圳)有限公司 | Concrete filled steel tube combination column high position connected structure provided with bidirectional steel trusses |
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