CN105569224B - Concrete filled steel tube edge constraint overlaps monoblock type shear wall and preparation and installation method - Google Patents

Concrete filled steel tube edge constraint overlaps monoblock type shear wall and preparation and installation method Download PDF

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Publication number
CN105569224B
CN105569224B CN201610076465.4A CN201610076465A CN105569224B CN 105569224 B CN105569224 B CN 105569224B CN 201610076465 A CN201610076465 A CN 201610076465A CN 105569224 B CN105569224 B CN 105569224B
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China
Prior art keywords
concrete
precast concrete
monoblock type
facade panel
tube edge
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CN201610076465.4A
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Chinese (zh)
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CN105569224A (en
Inventor
侯和涛
曲冰
马天翔
邱灿星
付玮琪
程积润
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山东大学
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Priority to CN201610076465.4A priority Critical patent/CN105569224B/en
Publication of CN105569224A publication Critical patent/CN105569224A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/64Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
    • E04B2/68Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete made by filling-up wall cavities

Abstract

The invention discloses a kind of concrete filled steel tube edge constraint overlapping monoblock type shear wall and preparation and installation method, belong to concrete shear force wall field.Concrete filled steel tube edge constraint overlapping monoblock type shear wall includes two pieces of precast concrete facade panels being oppositely arranged, two rectangular steel pipes positioned at precast concrete facade panel both sides and at least one tension member between precast concrete facade panel, wherein:Precast concrete facade panel and rectangular steel pipe surround, and centre forms cavity, and the both ends of tension member are embedded in precast concrete facade panel respectively;Horizontal reinforcement and vertical reinforcement are provided with precast concrete facade panel, the both ends of horizontal reinforcement weld together with rectangular steel pipe respectively;The poured in place concrete when hollow space of cavity and rectangular steel pipe is used to construct.The present invention is easy for installation;Rectangular steel pipe connects reliably with precast concrete facade panel, good integrity;Ultimate lateral bearing capacity and ductility are good, and anti-seismic performance is superior;New-old concrete superposed surfaces are not easy to crack.

Description

Concrete filled steel tube edge constraint overlaps monoblock type shear wall and preparation and installation method
Technical field
The present invention relates to concrete shear force wall field, particularly relates to a kind of concrete filled steel tube edge constraint overlapping monoblock type and cuts Power wall and preparation and installation method.
Background technology
Load bearing wall in building is arranged in correct position, can effectively resist wind and the horizontal lotus caused by earthquake Carry, and undertake most of horizontal shear caused by horizontal loading, therefore these walls are thus referred to as shear wall.At present, coagulation Native shear wall is broadly divided into cast-in-place concrete shear wall, full precast concrete shear wall (i.e. prefabrication, assembled in situ) and half Precast concrete overlapped shear wall (i.e. a prefabrication part, a cast in situs part), the present invention relates to half precast concrete Overlapped shear wall.
The both sides armored concrete panel of half precast concrete overlapped shear wall is prefabrication, is cavity among panel, Casting concrete forms entirety in cavity after transporting and hoisting to building-site, and vertically connection is equivalent cast-in-place for this shear wall, whole Body and shock resistance are preferable, and save template, and situ wet operation is few.But superposed surfaces the old and new of half precast concrete overlapped shear wall Bond Performance Between Concrete has considerable influence to its stress performance, if the roughness of superposed surfaces is inadequate, overlapping cracking easily occurs So that the bearing capacity of overlapped shear wall significantly reduces.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of concrete filled steel tube edge constraint overlapping monoblock type shear wall and Prepare and installation method, the present invention are easy for installation;Rectangular steel pipe connects reliably with precast concrete facade panel, good integrity;It is horizontal Ultimate bearing capacity and ductility are good, and anti-seismic performance is superior;New-old concrete superposed surfaces are not easy to crack.
In order to solve the above technical problems, present invention offer technical scheme is as follows:
On the one hand, there is provided a kind of concrete filled steel tube edge constraint overlaps monoblock type shear wall, including two pieces are oppositely arranged Precast concrete facade panel, two rectangular steel pipes positioned at the precast concrete facade panel both sides and positioned at the precast concrete face At least one tension member between plate, wherein:
The precast concrete facade panel and rectangular steel pipe surround, and centre forms cavity, and the both ends difference of the tension member is pre- It is embedded in the precast concrete facade panel;
Be provided with horizontal reinforcement and vertical reinforcement in the precast concrete facade panel, the both ends of the horizontal reinforcement respectively with institute Rectangular steel pipe is stated to weld together;
The poured in place concrete when hollow space of the cavity and the rectangular steel pipe is used to construct.
Further, the tension member is Z-shape steel strip, C-type steel strip or H profile steel strip, the Z-shape steel strip, c-type Two edges of a wing of steel plate strip or H profile steel strip are embedded in the precast concrete facade panel respectively, the Z-shape steel strip, C-type steel Hole is provided with the web of strip or H profile steel strip, described hole is circular hole, slotted hole, square hole and/or diamond hole.
Further, the thickness of the Z-shape steel strip, C-type steel strip or H profile steel strip is 0.5-3mm, the Z-shape steel The thickness that two edges of a wing of strip, C-type steel strip or H profile steel strip are embedded in the precast concrete facade panel is not less than 20mm。
Further, the rectangular steel pipe is towards being provided with shear stud on the surface of the cavity side.
Further, the vertical reinforcement stretches out the upper surface of the precast concrete facade panel, and outreach should meet institute State the lap of splice required by vertical reinforcement.
Further, the vertical reinforcement stretches out the distance of the upper surface of the precast concrete facade panel not less than 1.2 times The summation of the lap of splice and slab thickness required by the vertical reinforcement.
Further, the thickness of the precast concrete facade panel is no less than 50mm, and the material of the rectangular steel pipe is Q235B And ratings above steel, the grade of concrete during concrete and site operation in the precast concrete facade panel is C30 And ratings above.
On the other hand, there is provided a kind of preparation method of above-mentioned concrete filled steel tube edge constraint overlapping monoblock type shear wall, bag Include:
Step 1:Two rectangular steel pipes are erect by design size and fixed;
Step 2:By the vertical reinforcement and horizontal reinforcement banding fixed of two pieces of precast concrete facade panels, and by the horizontal steel The both ends of muscle are welded on described two rectangular steel pipes;
Step 3:Erect tension member in middle frame, and with the vertical reinforcement or horizontal reinforcement of two pieces of precast concrete facade panels It is connected;
Step 4:Filler template and fixation are placed on the inside of centre, support template and fixation are set in two outsides;
Step 5:Casting concrete, and by concrete curing to strength of mould stripping, two pieces of precast concrete facade panels are made;
Step 6:The filler template of centre is detached, removes the support template in two outsides.
On the other hand, there is provided a kind of preparation method of concrete filled steel tube edge constraint overlapping monoblock type shear wall, including:
Step 1:Two rectangular steel pipes are lain low fixation by design size;
Step 2:By the vertical reinforcement of the precast concrete facade panel of downside and horizontal reinforcement banding fixed, and by the level The both ends of reinforcing bar are welded on described two rectangular steel pipes;
Step 3:Erect tension member in middle frame, and with the vertical reinforcement or horizontal reinforcement of downside precast concrete facade panel It is connected;
Step 4:At precast concrete facade panel both ends, support template and fixation are set;
Step 5:Casting concrete, and by concrete curing to final set, the precast concrete facade panel of downside is made;
Step 6:Filler template is placed above in obtained downside precast concrete facade panel;
Step 7:By the vertical reinforcement of the precast concrete facade panel of upside and horizontal reinforcement banding fixed, and by the level The both ends of reinforcing bar are welded on described two rectangular steel pipes, and by the vertical steel of tension member and upside precast concrete facade panel Muscle or horizontal reinforcement are connected;
Step 8:Casting concrete, and by concrete curing to strength of mould stripping, the precast concrete facade panel of upside is made;
Step 9:The support template at precast concrete facade panel both ends is removed, detaches the filler template of centre.
Another further aspect, there is provided a kind of installation method of above-mentioned concrete filled steel tube edge constraint overlapping monoblock type shear wall, bag Include:
Step 1:The vertical reinforcement that lower floor's concrete filled steel tube edge constraint is overlapped to monoblock type shear wall stretches out upper surface Part bends inwards, hollow with rectangular steel pipe into the cavity of lower floor's concrete filled steel tube edge constraint overlapping monoblock type shear wall Part casting concrete, and pour build floor;
Step 2:Upper strata concrete filled steel tube edge constraint is overlapped into monoblock type shear wall to be placed on floor, and makes lower floor's steel The part that the vertical reinforcement of pipe concrete edge constraint overlapping monoblock type shear wall stretches out upper surface puts in upper strata concrete filled steel tube In the cavity of edge constraint overlapping monoblock type shear wall;
Step 3:Upper strata concrete filled steel tube edge constraint overlapping monoblock type shear wall is fixed using support;
Step 4:Into the cavity of upper strata concrete filled steel tube edge constraint overlapping monoblock type shear wall and in rectangular steel pipe Empty part casting concrete.
The invention has the advantages that:
The concrete filled steel tube edge constraint overlapping monoblock type shear wall of the present invention is easy for installation.When mounted, lifted It is complete to specified location, then the hollow space casting concrete into cavity with rectangular steel pipe, while pour the concrete of build floor Cost layer concrete filled steel tube edge constraint overlaps the installation of monoblock type shear wall.Next layer of concrete filled steel tube edge constraint is being installed When overlapping monoblock type shear wall, new concrete filled steel tube edge constraint is overlapped into monoblock type shear wall and lifted to the building poured Above plate, and upper and lower two layers of concrete filled steel tube edge constraint is overlapped into the connection of monoblock type shear wall, most backward new steel tube concrete The cavity of native edge constraint overlapping monoblock type shear wall and the hollow space casting concrete of rectangular steel pipe.
Horizontal reinforcement and rectangular steel pipe in the concrete filled steel tube edge constraint overlapping monoblock type shear wall of the present invention is direct Weld integral so that rectangular steel pipe connects reliably with precast concrete facade panel, good integrity.
The concrete filled steel tube edge constraint overlapping monoblock type shear wall of the present invention carries out edge using rectangular steel pipe+concrete Constraint, the ductility of steel is applied in concrete structure well, can greatly improve ultimate lateral bearing capacity and ductility, antidetonation Superior performance.
The concrete filled steel tube edge constraint overlapping monoblock type shear wall of the present invention uses the pre-manufactured steel of tension member drawknot both sides Reinforced concrete panel, in the presence of shearing, concrete filled steel tube edge constraint overlapping monoblock type shear wall entirety stress, and draw Knot part can prevent New-old concrete superposed surfaces cracking.
In summary, concrete filled steel tube edge constraint of the invention overlapping monoblock type shear wall is easy for installation;Rectangular steel pipe Connected with precast concrete facade panel reliably, good integrity;Ultimate lateral bearing capacity and ductility are good, and anti-seismic performance is superior;The old and new mix It is not easy to crack to coagulate native superposed surfaces.
Brief description of the drawings
Fig. 1 is the stereogram that the concrete filled steel tube edge constraint of the present invention overlaps one embodiment of monoblock type shear wall;
Fig. 2 is three kinds of concrete structure schematic diagrams of the tension member in the present invention;
Fig. 3 is the main body figure that the concrete filled steel tube edge constraint of the present invention overlaps one embodiment of monoblock type shear wall;
Fig. 4 is the left body figure that the concrete filled steel tube edge constraint of the present invention overlaps one embodiment of monoblock type shear wall;
Fig. 5 is Fig. 3 A-A to sectional view;
Fig. 6 is one embodiment that the concrete filled steel tube edge constraint of the present invention overlaps the preparation method of monoblock type shear wall Schematic diagram;
Fig. 7 is Fig. 6 B-B direction sectional view;
Fig. 8 is Fig. 6 C-C to sectional view;
Fig. 9 is another implementation that the concrete filled steel tube edge constraint of the present invention overlaps the preparation method of monoblock type shear wall One step schematic diagram of example;
Figure 10 is another reality that the concrete filled steel tube edge constraint of the present invention overlaps the preparation method of monoblock type shear wall Apply another step schematic diagram of example;
Figure 11 is Fig. 9 D-D to sectional view;
Figure 12 is Figure 10 E-E to sectional view;
Figure 13 is the implementation that the concrete filled steel tube edge constraint of the present invention overlaps the installation method of monoblock type shear wall Example front view;
Figure 14 is the implementation that the concrete filled steel tube edge constraint of the present invention overlaps the installation method of monoblock type shear wall Example left view.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool Body embodiment is described in detail.
On the one hand, the present invention provides a kind of concrete filled steel tube edge constraint overlapping monoblock type shear wall, such as Fig. 1 to Fig. 5 institutes Show, including two pieces of precast concrete facade panels 1 being oppositely arranged, two rectangular steel pipes 2 positioned at the both sides of precast concrete facade panel 1 (also including rectangular steel tube certainly) and at least one tension member 3 between precast concrete facade panel 1, wherein:
Precast concrete facade panel 1 and rectangular steel pipe is 2-in-1 encloses, centre forms cavity 4, and the both ends of tension member 3 are embedded in respectively In precast concrete facade panel 1;
Horizontal reinforcement (being to show in figure) and vertical reinforcement 5, the both ends point of horizontal reinforcement are provided with precast concrete facade panel 1 Do not weld together with rectangular steel pipe 2;
The poured in place concrete when hollow space of cavity 4 and rectangular steel pipe 2 is used to construct.
The embodiment of the present invention has the advantages that:
The concrete filled steel tube edge constraint overlapping monoblock type shear wall of the embodiment of the present invention is easy for installation.When mounted, will It is lifted to specified location, then the hollow space casting concrete into cavity with rectangular steel pipe, while pour the mixed of build floor Solidifying soil, complete the installation of this layer of concrete filled steel tube edge constraint overlapping monoblock type shear wall.Next layer of concrete filled steel tube is being installed When edge constraint overlaps monoblock type shear wall, new concrete filled steel tube edge constraint is overlapped into monoblock type shear wall and lifted to Above the floor poured, and upper and lower two layers of concrete filled steel tube edge constraint is overlapped into the connection of monoblock type shear wall, it is most backward new The cavity of concrete filled steel tube edge constraint overlapping monoblock type shear wall and the hollow space casting concrete of rectangular steel pipe.
Horizontal reinforcement and rectangle steel in the concrete filled steel tube edge constraint overlapping monoblock type shear wall of the embodiment of the present invention Pipe directly welds integral so that rectangular steel pipe connects reliably with precast concrete facade panel, good integrity.
The concrete filled steel tube edge constraint overlapping monoblock type shear wall of the embodiment of the present invention is entered using rectangular steel pipe+concrete Row edge constraint, the ductility of steel is applied in concrete structure well, ultimate lateral bearing capacity can be greatly improved and prolonged Property, anti-seismic performance is superior.
The concrete filled steel tube edge constraint overlapping monoblock type shear wall of the embodiment of the present invention is using tension member drawknot both sides Prefabricated reinforced concrete panel, in the presence of shearing, concrete filled steel tube edge constraint overlapping monoblock type shear wall entirety stress, And tension member can prevent New-old concrete superposed surfaces cracking.
In summary, the concrete filled steel tube edge constraint overlapping monoblock type shear wall of the embodiment of the present invention is easy for installation;Square Shape steel pipe connects reliably with precast concrete facade panel, good integrity;Ultimate lateral bearing capacity and ductility are good, and anti-seismic performance is superior; New-old concrete superposed surfaces are not easy to crack.
In embodiments of the invention, tension member can have various structures, such as tension member 3 can be Z-shape steel strip, such as scheme In 2 shown in (a);Can also be C-type steel strip, in Fig. 2 shown in (b);Can also be H profile steel strip, in Fig. 2 shown in (c); Two edges of a wing 31 of Z-shape steel strip, C-type steel strip or H profile steel strip are embedded in precast concrete facade panel 1 respectively, Z-shape steel plate Hole 33 is provided with the web 32 of band, C-type steel strip or H profile steel strip, hole 33 is circular hole, slotted hole, square hole and/or rhombus Hole.Hole can connect the concrete of web both sides, and form dowel action, the globality of increase web both sides concrete.
Preferably, in order that obtaining tension member has certain structural strength, Z-shape steel strip, C-type steel strip or H profile steel plate The thickness of band is 0.5-3mm, and, it is ensured that tension member will not come off in the presence of pulling force is resisted stubbornly with precast concrete facade panel Open, the thickness that two edges of a wing of Z-shape steel strip, C-type steel strip or H profile steel strip are embedded in precast concrete facade panel is not less than 20mm。
One kind as the embodiment of the present invention is improved, and rectangular steel pipe is towards being provided with shear stud on the surface of cavity side 6, shear stud is connected with rectangular steel pipe preferably by way of welding.So that the concrete in cavity passes through with rectangular steel pipe Shear stud connection is integral, and connection is more reliable, and globality is more preferable.
In construction, it usually needs upper and lower two layers of concrete filled steel tube edge constraint is overlapped into monoblock type shear wall and carries out chain Connect, connected mode can have a variety of, provide one embodiment here:Vertical reinforcement 5 stretches out the upper end of precast concrete facade panel 1 Face, outreach should meet the lap of splice required by vertical reinforcement.
In construction, the vertical reinforcement that lower floor's concrete filled steel tube edge constraint is overlapped to monoblock type shear wall bends inwards, Then upper strata concrete filled steel tube edge constraint is overlapped into monoblock type shear wall and is lifted into lower floor's concrete filled steel tube edge constraint and overlapped Above monoblock type shear wall, and the vertical reinforcement of lower floor's concrete filled steel tube edge constraint overlapping monoblock type shear wall is set to stretch into upper strata In the cavity of concrete filled steel tube edge constraint overlapping monoblock type shear wall, monoblock type is overlapped to upper strata concrete filled steel tube edge constraint The cavity of shear wall and the hollow space casting concrete of rectangular steel pipe, vertical reinforcement can be by upper and lower two layers of concrete filled steel tube sides Edge constraint overlapping monoblock type shear wall links together.Save the spheroidal graphite grout sleeve or slurry anchor of bar connecting.
The lap of splice of reinforcing bar generally refers to the lap of splice of reinforcing bar colligation connection, the lap of splice of the reinforcing bar of different model There is different regulations.
Further, in order that up and down the connection of two layers concrete filled steel tube edge constraint overlapping monoblock type shear wall it is more firm Gu the overlap joint that vertical reinforcement 5 is stretched out required by not less than 1.2 times vertical reinforcements of distance of the upper surface of precast concrete facade panel 1 The summation of length and slab thickness.Because general meeting among upper and lower two layers of concrete filled steel tube edge constraint overlapping monoblock type shear wall Pour build floor, it is therefore desirable to reserve slab thickness.
In order that the intensity of concrete filled steel tube edge constraint overlapping monoblock type shear wall meets the requirements, precast concrete facade panel Thickness be no less than 50mm, the material of rectangular steel pipe is Q235B and ratings above steel, the concrete in precast concrete facade panel And the grade of concrete during site operation is C30 and ratings above.
On the other hand, the present invention provides a kind of preparation side of above-mentioned concrete filled steel tube edge constraint overlapping monoblock type shear wall Method, as described in Fig. 6 to Fig. 8, one of embodiment comprises the following steps:
Step 1:Two rectangular steel pipes 2 are erect by design size and fixed;When rectangular steel pipe 2 is welded with shear stud When 6, two faces for being welded with shear stud 6 are oppositely arranged.
Step 2:By the vertical reinforcement 5 and horizontal reinforcement banding fixed of two pieces of precast concrete facade panels, and by horizontal reinforcement Both ends be welded on two rectangular steel pipes 2.
Step 3:Tension member 3 is erected in middle frame;And the both ends of tension member can be embedded in after casting concrete Certain depth in precast concrete facade panel, it is preferred that the vertical reinforcement or level of tension member and two pieces of precast concrete facade panels Bar connecting is fixed.
Step 4:Filler template 7 (such as styrofoam) is placed on the inside of centre and is fixed, filler template is placed on sky At chamber;Support template 8 (such as steel or bamboo and wood template) is set in two outsides and fixed, support template is used to prevent concrete from leaking Slurry, and cause concrete forming.
Step 5:Casting concrete, and by concrete curing to strength of mould stripping, two pieces of precast concrete facade panels 1 are made.
Step 6:The filler template 7 of centre is detached, the support template 8 in two outsides is removed, concrete filled steel tube edge is made Constraint overlapping monoblock type shear wall.
The preparation method of the embodiment of the present invention is simple and convenient, only need to pour once i.e. plastic, preparation time is short, efficiency It is high.
Another further aspect, the present invention provide a kind of the another of above-mentioned concrete filled steel tube edge constraint overlapping monoblock type shear wall Kind preparation method, as shown in Fig. 9 to Figure 12, one of embodiment comprises the following steps:
Step 1:Two rectangular steel pipes 2 are lain low fixation by design size;When rectangular steel pipe 2 is welded with shear stud When 6, two faces for being welded with shear stud 6 are oppositely arranged.
Step 2:By the vertical reinforcement 5 of the precast concrete facade panel of downside and the banding fixed of horizontal reinforcement 9, and by horizontal steel The both ends of muscle are welded on two rectangular steel pipes 2;Although in this step, all reinforcing bars are all horizontal, in order to Address is convenient and in order to which context is unified and readily appreciates, is still called vertical reinforcement and horizontal reinforcement.
Step 3:Tension member 3 is erected in middle frame;And the both ends of tension member can be embedded in after casting concrete Certain depth in precast concrete facade panel, it is preferred that the vertical reinforcement or level of tension member and downside precast concrete facade panel Bar connecting is fixed.
Step 4:Support template 8 (such as steel or bamboo and wood template) and fixed, supporting are set at precast concrete facade panel both ends Template is used to prevent concrete spillage, and causes concrete forming.In this step, precast concrete facade panel is also no to be made, this Place refers to that precast concrete facade panel both ends are the position that support template is limited with precast concrete facade panel.
Step 5:Casting concrete, and by concrete curing to final set, the precast concrete facade panel 1 of downside is made.
Step 6:Filler template 7 (such as styrofoam) is placed above in obtained downside precast concrete facade panel.
Step 7:By the vertical reinforcement of the precast concrete facade panel of upside and horizontal reinforcement banding fixed, and by horizontal reinforcement Both ends be welded on two rectangular steel pipes 2, it is preferred that by tension member and the vertical steel of the precast concrete facade panel of upside Muscle or horizontal reinforcement are connected.
Step 8:Casting concrete, and by concrete curing to strength of mould stripping, the precast concrete facade panel of upside is made (not Draw).
Step 9:The support template 8 at precast concrete facade panel both ends is removed, detaches the filler template 7 of centre, steel is made Pipe concrete edge constraint overlaps monoblock type shear wall.
The embodiment of the present invention is due to being horizontal positioned so that casting concrete is more convenient.
Another further aspect, the present invention provide a kind of installation of above-mentioned concrete filled steel tube edge constraint overlapping monoblock type shear wall Method, as shown in Figure 13 and Figure 14 (in figure the direction of arrow be casting concrete direction), one of embodiment include it is as follows Step includes:
Step 1:The vertical reinforcement that lower floor's concrete filled steel tube edge constraint is overlapped to monoblock type shear wall stretches out upper surface Part bends inwards to appropriate location, can stretch into the sky of upper strata concrete filled steel tube edge constraint overlapping monoblock type shear wall Intracavitary, and it is no less than apart from the cavity inner surface of upper strata concrete filled steel tube edge constraint overlapping monoblock type shear wall 10mm.Hollow space into the cavity of lower floor's concrete filled steel tube edge constraint overlapping monoblock type shear wall with rectangular steel pipe pours Concrete, and pour build floor.
Step 2:Upper strata concrete filled steel tube edge constraint is overlapped into monoblock type shear wall to be placed on floor, and makes lower floor's steel The part that the vertical reinforcement of pipe concrete edge constraint overlapping monoblock type shear wall stretches out upper surface puts in upper strata concrete filled steel tube In the cavity of edge constraint overlapping monoblock type shear wall.
Step 3:Use the fixed upper strata concrete filled steel tube edge constraint overlapping monoblock type of support 10 (easy falsework) Shear wall.
Step 4:Into the cavity of upper strata concrete filled steel tube edge constraint overlapping monoblock type shear wall and in rectangular steel pipe Empty part casting concrete, makes to be integrally formed for downward two layers.
The embodiment of the present invention only needs to use a small amount of simple rack, and without live supporting module, efficiency of construction is high, environmental pollution It is few.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (8)

1. a kind of concrete filled steel tube edge constraint overlaps monoblock type shear wall, it is characterised in that is oppositely arranged including two pieces pre- Concrete slab processed, two rectangular steel pipes positioned at the precast concrete facade panel both sides and positioned at the precast concrete facade panel Between at least one tension member, wherein:
The precast concrete facade panel and rectangular steel pipe surround, and centre forms cavity, and the both ends of the tension member are embedded in respectively In the precast concrete facade panel;
Be provided with horizontal reinforcement and vertical reinforcement in the precast concrete facade panel, the both ends of the horizontal reinforcement respectively with the square Shape steel-pipe welding is together;
The poured in place concrete when hollow space of the cavity and the rectangular steel pipe is used to construct;
The tension member is Z-shape steel strip, C-type steel strip or H profile steel strip, the Z-shape steel strip, C-type steel strip or H profile steel Two edges of a wing of strip are embedded in the precast concrete facade panel respectively, the Z-shape steel strip, C-type steel strip or H profile steel plate Hole is provided with the web of band, described hole is circular hole, slotted hole, square hole and/or diamond hole;
The rectangular steel pipe is towards being provided with shear stud on the surface of the cavity side.
2. concrete filled steel tube edge constraint according to claim 1 overlaps monoblock type shear wall, it is characterised in that the Z The thickness of shape steel plate band, C-type steel strip or H profile steel strip is 0.5-3mm, the Z-shape steel strip, C-type steel strip or H profile steel plate The thickness that two edges of a wing of band are embedded in the precast concrete facade panel is not less than 20mm.
3. concrete filled steel tube edge constraint according to claim 1 overlaps monoblock type shear wall, it is characterised in that described perpendicular The upper surface of the precast concrete facade panel is stretched out to reinforcing bar, outreach should meet the overlap joint length required by the vertical reinforcement Degree.
4. concrete filled steel tube edge constraint according to claim 3 overlaps monoblock type shear wall, it is characterised in that described perpendicular The overlap joint stretched out to reinforcing bar required by not less than 1.2 times vertical reinforcements of distance of the upper surface of the precast concrete facade panel The summation of length and slab thickness.
5. concrete filled steel tube edge constraint according to claim 3 overlaps monoblock type shear wall, it is characterised in that described pre- The thickness of concrete slab processed is no less than 50mm, and the material of the rectangular steel pipe is Q235B and ratings above steel, described prefabricated The grade of concrete during concrete and site operation in concrete slab is C30 and ratings above.
6. the preparation method of any described concrete filled steel tube edge constraint overlapping monoblock type shear walls of claim 1-5, it is special Sign is, including:
Step 1:Two rectangular steel pipes are erect by design size and fixed;
Step 2:By the vertical reinforcement and horizontal reinforcement banding fixed of two pieces of precast concrete facade panels, and by the horizontal reinforcement Both ends are welded on described two rectangular steel pipes;
Step 3:Tension member is erected in middle frame, and is connected with the vertical reinforcement of two pieces of precast concrete facade panels or horizontal reinforcement It is fixed;
Step 4:Filler template and fixation are placed on the inside of centre, support template and fixation are set in two outsides;
Step 5:Casting concrete, and by concrete curing to strength of mould stripping, two pieces of precast concrete facade panels are made;
Step 6:The filler template of centre is detached, removes the support template in two outsides.
7. the preparation method of any described concrete filled steel tube edge constraint overlapping monoblock type shear walls of claim 1-5, it is special Sign is, including:
Step 1:Two rectangular steel pipes are lain low fixation by design size;
Step 2:By the vertical reinforcement of the precast concrete facade panel of downside and horizontal reinforcement banding fixed, and by the horizontal reinforcement Both ends be welded on described two rectangular steel pipes;
Step 3:Tension member is erected in middle frame, and is connected with the vertical reinforcement of downside precast concrete facade panel or horizontal reinforcement It is fixed;
Step 4:At precast concrete facade panel both ends, support template and fixation are set;
Step 5:Casting concrete, and by concrete curing to final set, the precast concrete facade panel of downside is made;
Step 6:Filler template is placed above in obtained downside precast concrete facade panel;
Step 7:By the vertical reinforcement of the precast concrete facade panel of upside and horizontal reinforcement banding fixed, and by the horizontal reinforcement Both ends be welded on described two rectangular steel pipes, and by the vertical reinforcement of tension member and upside precast concrete facade panel or Person's horizontal reinforcement is connected;
Step 8:Casting concrete, and by concrete curing to strength of mould stripping, the precast concrete facade panel of upside is made;
Step 9:The support template at precast concrete facade panel both ends is removed, detaches the filler template of centre.
8. the installation method of any described concrete filled steel tube edge constraint overlapping monoblock type shear walls of claim 3-5, it is special Sign is, including:
Step 1:Lower floor's concrete filled steel tube edge constraint is overlapped to the part of the vertical reinforcement stretching upper surface of monoblock type shear wall Bend inwards, the hollow space into the cavity of lower floor's concrete filled steel tube edge constraint overlapping monoblock type shear wall with rectangular steel pipe Casting concrete, and pour build floor;
Step 2:Upper strata concrete filled steel tube edge constraint is overlapped into monoblock type shear wall to be placed on floor, and mixes lower floor's steel pipe The part that the vertical reinforcement of solidifying native edge constraint overlapping monoblock type shear wall stretches out upper surface puts in upper strata concrete filled steel tube edge In the cavity of constraint overlapping monoblock type shear wall;
Step 3:Upper strata concrete filled steel tube edge constraint overlapping monoblock type shear wall is fixed using support;
Step 4:Hollow bulb into the cavity of upper strata concrete filled steel tube edge constraint overlapping monoblock type shear wall with rectangular steel pipe Divide casting concrete.
CN201610076465.4A 2016-02-03 2016-02-03 Concrete filled steel tube edge constraint overlaps monoblock type shear wall and preparation and installation method CN105569224B (en)

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CN105971163A (en) * 2016-06-02 2016-09-28 初明进 Combined structural member of T-shaped steel member and concrete
CN106193292A (en) * 2016-07-16 2016-12-07 江南大学 A kind of steel frame assembled integral reinforced concrete shear wall structure system
CN108301553B (en) * 2017-12-11 2020-05-22 新疆苏中建设工程有限公司 Precast concrete board wall and manufacturing method thereof
CN108571169A (en) * 2018-06-15 2018-09-25 河南绿建建筑科技有限公司 Prefabrication steel concrete overlapped shear wall assembled architecture construction method

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