CN102704593B - Steel tube reinforced concrete composite column-steel beam-lattice steel support shear wall and manufacturing method - Google Patents
Steel tube reinforced concrete composite column-steel beam-lattice steel support shear wall and manufacturing method Download PDFInfo
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Abstract
The invention discloses a steel tube reinforced concrete composite column-steel beam-lattice steel support shear wall and a manufacturing method, and belongs to the field of steel-concrete combined shear walls. The steel tube reinforced concrete composite column-steel beam-lattice steel support shear wall comprises steel tube reinforced concrete composite frame columns, steel tube reinforced concrete composite core columns, steel beams, lattice steel supports and a reinforced concrete shear wall body, wherein the two ends of the shear wall are provided with the steel tube reinforced concrete composite frame columns between which a plurality of parallel steel tube reinforced concrete composite core columns are arranged; the steel tube reinforced concrete composite frame columns are connected with the steel tube reinforced concrete composite core columns by the steel beams and the lattice steel supports and all the steel tube reinforced concrete composite core columns are connected by the steel beams and the lattice steel supports; the shear wall reinforcements are bound; and concrete is cast to construct the steel tube reinforced concrete composite column-steel beam-lattice steel support shear wall. The steel tube reinforced concrete composite column-steel beam-lattice steel support shear wall has the advantages of improved bearing capacity, slow attenuation in bearing capacity and rigidity, stable later anti-seismic performance, improved shear wall ductility and energy consumption performance due to existence of the combined steel structure framework, more superior anti-seismic performance, convenience in steel structure construction and capability of being used in high-rise or large-sized complex multi-storey buildings.
Description
Technical field
The present invention is a kind of " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall and practice, belongs to a kind of compound shear wall and preparation method thereof.
Background technology
At present, because urban land growing tension and social demand become more diverse, height and the span of building constantly increase, and build becomes increasingly complex, and seismic analysis of structures and design difficulty constantly increase.China is many built and be positioned at strong earthquake area at the highrise building of building, and faces serious earthquake disaster and threatens.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.
Shear wall is the core lateral resisting parts in high building structure, the good shear wall of development anti-seismic performance is one of key technology of Seismic Design of Building, the combination construction being combined by steel work and concrete structure, owing to having brought into play bi-material advantage separately, has become one of primary structure form of high-rise and super highrise building at present.The form of steel-concrete compound shear wall has a variety of, shaped steel, steel pipe, steel plate etc. can be carried out to multi-form combination with concrete at the different parts of shear wall, at present for compound shear wall research more mainly contain two types: one is " assembled wall board shear wall ", its wallboard adopts steel plate and concrete panel to carry out multi-form combination, thereby forms " assembled wall board ".Another kind is " band edge frame combined shear power wall ", and this its wallboard of class compound shear wall generally adopts steel concrete, and frame adopts i iron, steel reinforced concrete or concrete filled steel tube; In addition, wallboard also can adopt steel plate, and frame adopts steel concrete; Frame and assembled wall board also can together with combine.
In addition, shear wall also requires larger elasticity initial stiffness, large deformation ability and the good feature such as plastic property, stable hysteretic characteristic.The appearance of external wrapping concrete compound shear wall has not only well met above-mentioned requirements, and can effectively overcome reinforced concrete shear wall from the shortcoming such as great, bight concrete is easy to crack, frangible, strengthen in addition the side direction bending rigidity of shear wall, become a kind of high-rise Lateral Resistant System very with development prospect.But, the general walls concrete such as reinforced concrete shear wall, steel plate combined shear wall part is after stressed chipping destruction, vertical bearing capacity can significantly reduce, thereby cause the vertical bearing capacity of whole body of wall to reduce, also accelerated the destruction as the frame in two defence lines, road simultaneously, power consumption and the ductility of total also decrease, and cause the anti-seismic performance of shear wall to weaken and reduce.
Summary of the invention
The object of the present invention is to provide a kind of Novel steel-combined concrete shear wall that consumes earthquake input structure energy, improves structural seismic performance, be mainly used in shear wall structure or the tubular construction of highrise building or large complicated multistory building, to solve the problem of its bearing capacity, ductility, power consumption deficiency under geological process.
The technical solution used in the present invention is as follows:
" support of steel tube concrete superposed column-girder steel-lattice steel " shear wall, comprises steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2, girder steel 3, lattice steel support 4 and reinforced concrete shear wall body; Compound shear wall cross section is yi word pattern, and " support of steel tube concrete superposed column-girder steel-lattice steel " combination steel structure skeleton system is built in reinforced concrete shear wall body.
Described " support of steel tube concrete superposed column-girder steel-lattice steel " combination steel structure skeleton system refers to by the girder steel 3 of steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2, intercolumniation and rigidly connects and form with lattice steel support 4.
Described girder steel 3 is the plate girder series that the clear distance between adjacent girder steel is suitable for arranging lattice steel support 4 between girder steel 3; The steel strength of girder steel 3 is not more than steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2, its thickness is not more than the thickness of steel pipe sum in the steel tube concrete superposed frame columns 1 of vertical steel reinforced concrete shear wall wall thickness direction or steel tube concrete superposed stem stem 2, and rise-span ratio is not less than 1; Girder steel 3 is through steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2, and with steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2 in steel pipe meld line on implement welding.
Described lattice steel support 4 is the support of truss-like steel, the high "the" shape of wall along reinforced concrete shear wall body is arranged, angle of inclination, between 45 degree to 60 degree, can be selected steel support plane and wall plane to be arranged vertically with steel and support plane and the wall plane two kinds of arrangements that are arranged in parallel; Lattice steel support 4 is implemented to be rigidly connected with steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2; Described being rigidly connected comprises welding etc.
Described steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2 are joined vertical muscle and the stirrup steel that then disturbing concrete forms-mixed coupled column for steel core concrete column periphery adds; The cross section of steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2 can be the shapes such as circle, rectangle, adopt single cavity steel tube concrete superposed column or Multicarity steel tube concrete superposed column, steel tube concrete superposed frame columns 1 and the interior steel pipe of steel tube concrete superposed stem stem 2 are not more than the thickness of reinforced concrete shear wall body in reinforced concrete shear wall body thickness direction.
The horizontal distribution reinforcing bar 5 of described shear wall inserts steel tube concrete superposed frame columns 1; Vertical distribution reinforcement 6 top and bottom are stretched into respectively in upper side frame beam 9 and lower frame beam or grade beam 8 and are rigidly connected.
The reinforced mesh drawknot that the steel tie 7 of described shear wall forms reinforced concrete shear wall body both sides horizontal distribution reinforcing bar 5 and vertical distribution reinforcement 6 by between adjacent the girder steel 3 and space of lattice steel support 4 or through the reserved circular hole in girder steel 3.
Described upper side frame beam 9 and lower frame beam or grade beam 8 are reinforced concrete beam, or are girder with rolled steel section en cased in concrete, and cross section is rectangle, concrete cast in situs.
The construction sequence of described " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall is as follows:
1) make steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2, the reserved rectangular opening through girder steel 3 on steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2;
2) reinforcing bar of the vertical distribution reinforcement 6 in assembling reinforcement concrete shear force wall body, lower frame beam or grade beam 8, and steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2, the vertical distribution reinforcement 6 of shear wall are inserted in the reinforcing cage of lower frame beam or grade beam 8, the concrete of cast lower frame beam or grade beam 8, after concrete curing is fixed, make lower frame beam or grade beam 8 realize and being rigidly connected with the bottom of steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2, the vertical distribution reinforcement 6 of reinforced concrete shear wall body;
3) make girder steel 3 and lattice steel support 4, girder steel 3 is through steel core concrete column, and with steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2 in steel pipe meld line on implement welding, lattice steel support 4 is welded with steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2;
4) steel tube concrete superposed stem stem 2, the bilateral symmetry of " support of plate girder-lattice steel " steel structure skeletons that girder steel 3 and lattice steel support 4 forms is arranged the steel mesh reinforcement being made up of horizontal distribution reinforcing bar 5 and vertical distribution reinforcement 6, and the lattice steel through adjacent girder steel 3 supports 4 spaces or passes the reserved circular hole of putting in girder steel 3 by the steel mesh reinforcement drawknot of both sides with steel tie 7;
5) make upper side frame beam 9, upper side frame beam 9 and steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2 and the vertical distribution reinforcement 6 of wallboard are rigidly connected;
6) reserve thickness of concrete cover in reinforced concrete shear wall body both sides by spacer, prop up afterwards the template that concreting is used;
7) build the concrete of steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2, reinforced concrete shear wall body, upper side frame beam 9, after moulding, form " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall.
The present invention forms the lattice steel support between the girder steel by between steel tube concrete superposed column and steel tube concrete superposed column and girder steel along " support of steel tube concrete superposed column-girder steel-lattice steel " the combination steel structure skeleton of high alternating expression and the advantage combination of reinforced concrete wall panel, in giving full play to reinforced concrete wall panel shock resistance, also take full advantage of the energy dissipation effect of " support of steel tube concrete superposed column-girder steel-lattice steel " combination steel structure skeleton, avoided after concrete wall cracking, bearing capacity of wall body reduces rapidly.Between the steel tube concrete superposed column of this novel compound shear wall, adding after girder steel and lattice steel support, have with lower stress and functional characteristics: girder steel by each independently steel tube concrete superposed column connect to a stable entirety, greatly improved the Compressive Bearing Capacity of single steel tube concrete superposed column; Simultaneously due to the existence of enough clear distances between adjacent girder steel, in the time that seismic load is inputted, each girder steel can be separate in wall plane internal strain, gives full play to the distortion energy dissipation capacity of steel; Due to the existence of clear distance between adjacent girder steel, can arrange betwixt lattice steel support; The lattice steel being arranged between girder steel supports the integral working of further having strengthened body of wall, and compared with real abdomen formula steel support, steel using amount reduces, and input body of wall seismic forces decreases, and the casting and compacting of concrete of assembled wall is convenient, and construction quality also more easily ensures; Lattice steel support and steel tube concrete superposed column and girder steel have formed truss-like " support of steel tube concrete superposed column-girder steel-lattice steel " combination steel structure skeleton, this multiple indeterminate multiple-unit power consumption combination steel frame system, both improved the elasticity initial stiffness of assembled wall, ensured that again assembled wall has good bearing capacity stability at later stage, shock resistance significantly improves.
After the both sides reinforced concrete enveloped wallboard of " support of steel tube concrete superposed column-girder steel-lattice steel " combination steel structure skeleton system, concrete panel has retrained the outer flexing of plane of girder steel, lattice steel support and steel tube concrete superposed column steel plate effectively, makes steel plate can within the longer period, effectively planar work to resist the energy of earthquake input structure; Diagonal brace space between girder steel or the medium position of girder steel pass steel tie by the reinforced mesh drawknot of concrete wall both sides, both sides concrete panel is combined into an entirety with " support of steel tube concrete superposed column-girder steel-lattice steel " the combination steel structure skeleton being clipped in the middle, co-operation, has complementary advantages.
" support of steel tube concrete superposed column-girder steel-lattice steel " of the present invention shear wall has multiple seismic-proof under geological process.In the time of seismic energy input, reinforced concrete wall panel starts to play a role as first anti-vibration defense lines, " support of steel tube concrete superposed column-girder steel-lattice steel " combination steel structure skeleton has delayed the appearance in concrete wall crack, has improved the vertical bearing capacity of concrete wall plate portion as antidetonation the first line of defence.Along with the increase of input energy, concrete wall cracking, the first line of defence collapse, now " support of steel tube concrete superposed column-girder steel-lattice steel " combination steel structure skeleton starts to play a role as Seismic Bearing Capacity second defence line.In second defence line due to a little less than lattice steel support; consume energy and can first surrender by plane internal deformation; secondly girder steel is because steel plate thickness is thin compared with steel column; after surrender prior to steel column; by bending resistance in plane, shearing resistance distortion power consumption, therefore, this is the anti-vibration defense lines that one has " twice surrender " protection for second defence line; can consume to greatest extent earthquake ability, protection structural safety.When running into large shake, the frame construction that the steel tube concrete superposed column of body of wall inside and upper and lower frame beam form is a geometrically stable system, thus the resistance to overturning of holding structure, and this is San of the present invention road anti-vibration defense lines.Compared with common shear wall, the energy dissipation capacity of concrete and steel is better brought into play, multiple seismic-proof makes the later stage anti-seismic performance of structure more stable, and the existence of " support of steel tube concrete superposed column-girder steel-lattice steel " combination steel structure skeleton also makes shear wall have higher elasticity initial stiffness and integral working.
Because shear wall is the core lateral resisting parts of building structure, improve the shock resistance of shear wall, also just improved the shock resistance of structural entity, in the time that building meets with violent earthquake, can alleviate its earthquake, prevent that it from collapsing, Construction of Steel Structure is convenient, can be used in high-rise or large complicated multistory building.
Brief description of the drawings
Fig. 1 is that " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall is joined steel and arrangement of reinforcement
Fig. 2 is the local enlarged diagram of compound shear wall
Fig. 3 is compound shear wall elevational schematic view
Fig. 4 is compound shear wall body of wall horizontal sectional drawing
In figure: the steel tube concrete superposed frame columns of 1-, the steel tube concrete superposed stem stem of 2-, 3-girder steel, the support of 4-lattice steel, 5-horizontal distribution reinforcing bar, the vertical distribution reinforcement of 6-, 7-steel tie, 8-lower frame beam or grade beam, 9-upper side frame beam.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described:
The structural representation of " steel tube concrete superposed column-girder steel-lattice steel support " element of construction of shear wall as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4.
" support of steel tube concrete superposed column-girder steel-lattice steel " shear wall, production order is as follows:
1) make steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2, the reserved rectangular opening through girder steel 3 on steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2;
2) reinforcing bar of the vertical distribution reinforcement 6 in assembling reinforcement concrete shear force wall body, lower frame beam or grade beam 8, and steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2, the vertical distribution reinforcement 6 of shear wall are inserted in the reinforcing cage of lower frame beam or grade beam 8, the concrete of cast lower frame beam or grade beam 8, after concrete curing is fixed, make lower frame beam or grade beam 8 realize and being rigidly connected with the bottom of steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2, the vertical distribution reinforcement 6 of reinforced concrete shear wall body;
3) make girder steel 3 and lattice steel support 4, girder steel 3 is through steel core concrete column, and with steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2 in steel pipe meld line on implement welding, lattice steel support 4 is welded with steel tube concrete superposed frame columns 1 and steel tube concrete superposed stem stem 2;
4) steel tube concrete superposed stem stem 2, the bilateral symmetry of " support of plate girder-lattice steel " steel structure skeletons that girder steel 3 and lattice steel support 4 forms is arranged the steel mesh reinforcement being made up of horizontal distribution reinforcing bar 5 and vertical distribution reinforcement 6, and the lattice steel through adjacent girder steel 3 supports 4 spaces or passes the reserved circular hole of putting in girder steel 3 by the steel mesh reinforcement drawknot of both sides with steel tie 7;
5) make upper side frame beam 9, upper side frame beam 9 and steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2 and the vertical distribution reinforcement 6 of wallboard are rigidly connected;
6) reserve thickness of concrete cover in reinforced concrete shear wall body both sides by spacer, prop up afterwards the template that concreting is used;
7) build the concrete of steel tube concrete superposed frame columns 1, steel tube concrete superposed stem stem 2, reinforced concrete shear wall body, upper side frame beam 9, after moulding, form " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall.
Be more than an exemplary embodiments of the present invention, enforcement of the present invention is not limited to this.
Claims (8)
1. " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall, comprises steel tube concrete superposed frame columns (1), steel tube concrete superposed stem stem (2), girder steel (3), lattice steel support (4) and reinforced concrete shear wall body; It is characterized in that: compound shear wall cross section is yi word pattern, " support of steel tube concrete superposed column-girder steel-lattice steel " combination steel structure skeleton system is built in reinforced concrete shear wall body; At reinforced concrete shear wall body two ends, steel tube concrete superposed frame columns (1) is set; The upper and lower position of steel tube concrete superposed frame columns (1) arranges upper side frame beam (9) and lower frame beam or grade beam (8); The direction that is parallel to steel tube concrete superposed frame columns (1) in reinforced concrete shear wall body inside arranges steel tube concrete superposed stem stem (2); Between steel tube concrete superposed frame columns (1) and steel tube concrete superposed stem stem (2) and between each steel tube concrete superposed stem stem (2), connecting with girder steel (3); The lattice steel support (4) that gap configuration between adjacent girder steel (3) is arranged along the high "the" shape of wall of reinforced concrete shear wall body; Steel tube concrete superposed frame columns (1), steel tube concrete superposed stem stem (2), girder steel (3) and lattice steel support (4) composition " support of steel tube concrete superposed column-girder steel-lattice steel " combination steel structure skeleton system; Arrange in " steel tube concrete superposed column-girder steel-lattice steel support " combination steel structure skeleton system bilateral symmetry the steel mesh reinforcement being formed by horizontal distribution reinforcing bar (5) and vertical distribution reinforcement (6), and with steel tie (7) space through adjacent girder steel (3) or pass reserved circular hole in girder steel (3) the steel mesh reinforcement drawknot of both sides is got up; Steel tube concrete superposed frame columns (1), steel tube concrete superposed stem stem (2), upper side frame beam (9), lower frame beam or grade beam (8) and reinforced concrete shear wall body disturbing concrete are shaped, form " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall.
2. require described " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall according to right 1, it is characterized in that: described girder steel (3) is the plate girder series that the clear distance between adjacent girder steel is suitable for arranging lattice steel support (4) between girder steel (3); The steel strength of girder steel (3) is not more than steel tube concrete superposed frame columns (1) and steel tube concrete superposed stem stem (2), its thickness is not more than the thickness of steel pipe sum in the vertical steel reinforced concrete shear wall steel tube concrete superposed frame columns of wall thickness direction (1) or steel tube concrete superposed stem stem (2), and rise-span ratio is not less than 1; Girder steel (3) is through steel tube concrete superposed frame columns (1) and steel tube concrete superposed stem stem (2), and with steel tube concrete superposed frame columns (1) and steel tube concrete superposed stem stem (2) in steel pipe meld line on enforcement weld.
3. require described " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall according to right 1, it is characterized in that: described lattice steel support (4) is the support of truss-like steel, the high "the" shape of wall along reinforced concrete shear wall body is arranged, angle of inclination is between 45 degree to 60 degree, and steel support plane is arranged vertically and steel support plane two kind arrangements parallel with wall plane with wall plane; Lattice steel support (4) is implemented to be rigidly connected with steel tube concrete superposed frame columns (1) and steel tube concrete superposed stem stem (2); Described being rigidly connected comprises welding.
4. require described " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall according to right 1, it is characterized in that: described steel tube concrete superposed frame columns (1), steel tube concrete superposed stem stem (2) are joined vertical muscle and the stirrup steel that then disturbing concrete forms-mixed coupled column for steel core concrete column periphery adds; The cross section of steel tube concrete superposed frame columns (1), steel tube concrete superposed stem stem (2) is circular, rectangle, adopt single cavity steel tube concrete superposed column or Multicarity steel tube concrete superposed column, steel tube concrete superposed frame columns (1) and the interior steel pipe of steel tube concrete superposed stem stem (2) are not more than the thickness of reinforced concrete shear wall body in reinforced concrete shear wall body thickness direction.
5. require described " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall according to right 1, it is characterized in that: the horizontal distribution reinforcing bar (5) of described shear wall inserts steel tube concrete superposed frame columns (1); Vertical distribution reinforcement (6) top and bottom are stretched into respectively in upper side frame beam (9) and lower frame beam or grade beam (8) and are rigidly connected.
6. require described " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall according to right 1, it is characterized in that: the steel tie (7) of described shear wall by between adjacent girder steel (3) and the space of lattice steel support (4) or through the reserved circular hole in girder steel (3) by reinforced concrete shear wall body both sides horizontal distribution reinforcing bars (5) and reinforced mesh drawknot that vertically distribution reinforcement (6) forms.
7. require described " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall according to right 1, it is characterized in that: described upper side frame beam (9) and lower frame beam or grade beam (8) are reinforced concrete beam, or be girder with rolled steel section en cased in concrete, cross section is rectangle, concrete cast in situs.
8. the way to " support of the steel tube concrete superposed column-girder steel-lattice steel " shear wall described in claim 7 any one claim according to claim 1, is characterized in that: production order is as follows:
1) make steel tube concrete superposed frame columns (1) and steel tube concrete superposed stem stem (2), at steel tube concrete superposed frame columns (1) and the upper reserved rectangular opening through girder steel (3) of steel tube concrete superposed stem stem (2);
2) the vertical distribution reinforcement (6) in assembling reinforcement concrete shear force wall body, the reinforcing bar of lower frame beam or grade beam (8), and by steel tube concrete superposed frame columns (1), steel tube concrete superposed stem stem (2), the vertical distribution reinforcement of shear wall (6) inserts in the reinforcing cage of lower frame beam or grade beam (8), the concrete of cast lower frame beam or grade beam (8), after concrete curing is fixed, make lower frame beam or grade beam (8) and steel tube concrete superposed frame columns (1), steel tube concrete superposed stem stem (2), the bottom of the vertical distribution reinforcement of reinforced concrete shear wall body (6) is realized and being rigidly connected,
3) make girder steel (3) and lattice steel support (4), girder steel (3) is through steel core concrete column, and with steel tube concrete superposed frame columns (1) and steel tube concrete superposed stem stem (2) in steel pipe meld line on implement welding, lattice steel support (4) and steel tube concrete superposed frame columns (1) and steel tube concrete superposed stem stem (2) welding;
4) steel tube concrete superposed stem stem (2), the bilateral symmetry of " support of plate girder-lattice steel " steel structure skeleton that girder steel (3) and lattice steel support (4) forms is arranged steel mesh reinforcement be made up of horizontal distribution reinforcing bar (5) and vertical distribution reinforcement (6), and the lattice steel through adjacent girder steel (3) supports (4) space or passes the reserved circular hole of putting in girder steel (3) by the steel mesh reinforcement drawknot of both sides with steel tie (7);
5) make upper side frame beam (9), upper side frame beam (9) and steel tube concrete superposed frame columns (1), steel tube concrete superposed stem stem (2) and the vertical distribution reinforcement of wallboard (6) are rigidly connected;
6) reserve thickness of concrete cover in reinforced concrete shear wall body both sides by spacer, prop up afterwards the template that concreting is used;
7) build the concrete of steel tube concrete superposed frame columns (1), steel tube concrete superposed stem stem (2), reinforced concrete shear wall body, upper side frame beam (9), after moulding, form " support of steel tube concrete superposed column-girder steel-lattice steel " shear wall.
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| CN115977240A (en) * | 2020-06-06 | 2023-04-18 | 谢英俊 | Light steel frame structure composed of double-side beams and provided with reinforcing measures |
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| JPH06185135A (en) * | 1992-12-16 | 1994-07-05 | Fujita Corp | Precast earthquake resisting wall of complex structure |
| CN101435231B (en) * | 2008-12-12 | 2011-05-04 | 北京工业大学 | Folding frame - steel support - concrete combined shear wall and manufacturing method thereof |
| CN201343799Y (en) * | 2008-12-12 | 2009-11-11 | 北京工业大学 | Superimposed frame-steel support-concrete combined shear wall |
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