CN105569224A - Concrete-filled steel tube edge restraint overlapping integrated shear wall and preparing and installation methods thereof - Google Patents

Concrete-filled steel tube edge restraint overlapping integrated shear wall and preparing and installation methods thereof Download PDF

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Publication number
CN105569224A
CN105569224A CN201610076465.4A CN201610076465A CN105569224A CN 105569224 A CN105569224 A CN 105569224A CN 201610076465 A CN201610076465 A CN 201610076465A CN 105569224 A CN105569224 A CN 105569224A
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China
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concrete
tube edge
precast concrete
steel tube
shear
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CN201610076465.4A
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Chinese (zh)
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CN105569224B (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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    • 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 concrete-filled steel tube edge restraint overlapping integrated shear wall and preparing and installation methods thereof and belongs to the field of concrete shear walls. The concrete-filled steel tube edge restraint overlapping integrated shear wall comprises two opposite prefabricated concrete face plates, two rectangular steel rubes located on the two sides of the prefabricated concrete face plates, and at least one tying piece located between the prefabricated concrete face plates. A cavity is defined by the prefabricated concrete face plates and the rectangular steel tubes, and the two ends of each tying piece are pre-buried in the prefabricated concrete face plates respectively. Horizontal steel ribs and vertical steel ribs are arranged in the prefabricated concrete face plates, and the two ends of each horizontal steel rib are welded to the rectangular steel tubes respectively. The cavity and the hollow parts of the rectangular steel tubes are used for pouring concrete in place in the construction process. The concrete-filled steel tube edge restraint overlapping integrated shear wall is convenient to install, and the rectangular steel tubes and the prefabricated concrete face plates are reliable in connection and good in integrity; the horizontal ultimate bearing capability and ducility are good, and the anti-seismic property is excellent; the overlapping faces of old concrete and new concrete are not likely to crack.

Description

The superimposed monolithic shear wall of concrete filled steel tube edge constraint and preparation and mounting method
Technical field
The present invention relates to concrete shear force wall field, refer to the superimposed monolithic shear wall of a kind of concrete filled steel tube edge constraint and preparation and mounting method especially.
Background technology
Load bearing wall in building is arranged in correct position, and effectively can resist the horizontal loading caused by wind and earthquake, and bear the most of horizontal shear caused by horizontal loading, therefore these bodies of wall are just called as shear wall.At present, concrete shear force wall is mainly divided into cast-in-place concrete shear wall, full precast concrete shear wall (i.e. prefabrication, site assembly) and a half precast concrete overlapped shear wall (i.e. prefabrication part, a cast in situs part), the present invention relates to half precast concrete overlapped shear wall.
The both sides steel concrete panel of half precast concrete overlapped shear wall is prefabrication, be cavity in the middle of panel, after transporting and hoisting to building-site, in cavity, concreting forms entirety, this shear wall vertically connects equivalent cast-in-place, globality and shock resistance better, and province's template, situ wet operation is few.But the superposed surfaces Mechanics Performance of Adherence of New performance of half precast concrete overlapped shear wall has considerable influence to its stress performance, if the roughness of superposed surfaces is inadequate, then very easily there is superimposed cracking thus the bearing capacity of overlapped shear wall is significantly reduced.
Summary of the invention
The technical problem to be solved in the present invention is to provide the superimposed monolithic shear wall of a kind of concrete filled steel tube edge constraint and preparation and mounting method, and the present invention is easy for installation; Rectangular steel pipe is connected with precast concrete facade panel reliably, good integrity; Ultimate lateral bearing capacity and ductility good, anti-seismic performance is superior; New-old concrete superposed surfaces is not easy to crack.
For solving the problems of the technologies described above, the invention provides technical scheme as follows:
On the one hand, there is provided a kind of concrete filled steel tube edge constraint superimposed monolithic shear wall, comprise two pieces of precast concrete facade panels be oppositely arranged, at two rectangular steel pipes of described precast concrete facade panel both sides and at least one tension member between described precast concrete facade panel, wherein:
Described precast concrete facade panel and rectangular steel pipe surround, middle formation cavity, and the two ends of described tension member are embedded in described precast concrete facade panel respectively;
Be provided with horizontal reinforcement and vertical reinforcement in described precast concrete facade panel, the two ends of described horizontal reinforcement weld together with described rectangular steel pipe respectively;
The poured in place concrete when cavity of described cavity and described rectangular steel pipe is for constructing.
Further, described tension member is Z-shape steel strip, C-type steel strip or H profile steel strip, two edges of a wing of described Z-shape steel strip, C-type steel strip or H profile steel strip are embedded in described precast concrete facade panel respectively, the web of described Z-shape steel strip, C-type steel strip or H profile steel strip has hole, and described hole is circular hole, slotted hole, square hole and/or diamond hole.
Further, the thickness of described Z-shape steel strip, C-type steel strip or H profile steel strip is 0.5-3mm, and the thickness that two edges of a wing of described Z-shape steel strip, C-type steel strip or H profile steel strip are embedded in described precast concrete facade panel is not less than 20mm.
Further, described rectangular steel pipe is provided with shear stud on the surface of described cavity side.
Further, described vertical reinforcement stretches out the upper surface of described precast concrete facade panel, and outreach should meet the lap length required by described vertical reinforcement.
Further, the distance that described vertical reinforcement stretches out the upper surface of described precast concrete facade panel is not less than the summation of lap length required by 1.2 times of described vertical reinforcements and slab thickness.
Further, the thickness of described precast concrete facade panel is no less than 50mm, and the material of described rectangular steel pipe is Q235B and above grade steel, and the concrete grade when concrete in described precast concrete facade panel and site operation is C30 and above grade.
On the other hand, the preparation method of the superimposed monolithic shear wall of a kind of above-mentioned concrete filled steel tube edge constraint is provided, comprises:
Step 1: two rectangular steel pipes are pressed design size and erect fixing;
Step 2: the vertical reinforcement of two pieces of precast concrete facade panels and horizontal reinforcement colligation are fixed, and the two ends of described horizontal reinforcement are welded on described two rectangular steel pipes;
Step 3: erect tension member at middle frame, and be connected and fixed with the vertical reinforcement of two pieces of precast concrete facade panels or horizontal reinforcement;
Step 4: place filler template in inner side, centre and fix, also fixing at two arranged outside support templates;
Step 5: concreting, and by concrete curing to strength of mould stripping, obtained two pieces of precast concrete facade panels;
Step 6: detach middle filler template, removes the support template outside two.
On the other hand, the preparation method of the superimposed monolithic shear wall of a kind of concrete filled steel tube edge constraint is provided, comprises:
Step 1: two rectangular steel pipes are lain low fixing by design size;
Step 2: the vertical reinforcement of the precast concrete facade panel of downside and horizontal reinforcement colligation are fixed, and the two ends of described horizontal reinforcement are welded on described two rectangular steel pipes;
Step 3: erect tension member at middle frame, and be connected and fixed with the vertical reinforcement of downside precast concrete facade panel or horizontal reinforcement;
Step 4: support template is set at precast concrete facade panel two ends and fixes;
Step 5: concreting, and by concrete curing to final set, the precast concrete facade panel of obtained downside;
Step 6: place filler template on obtained downside precast concrete facade panel;
Step 7: the vertical reinforcement of the precast concrete facade panel of upside and horizontal reinforcement colligation are fixed, and the two ends of described horizontal reinforcement are welded on described two rectangular steel pipes, and the vertical reinforcement of tension member and upside precast concrete facade panel or horizontal reinforcement are connected and fixed;
Step 8: concreting, and by concrete curing to strength of mould stripping, the precast concrete facade panel of obtained upside;
Step 9: the support template removing precast concrete facade panel two ends, detaches middle filler template.
Again on the one hand, the mounting method of the superimposed monolithic shear wall of a kind of above-mentioned concrete filled steel tube edge constraint is provided, comprises:
Step 1: the part that the vertical reinforcement of superimposed for lower floor's concrete filled steel tube edge constraint monolithic shear wall stretches out upper surface is bent inwards, with the cavity concreting of rectangular steel pipe in the cavity of the superimposed monolithic shear wall of lower floor's concrete filled steel tube edge constraint, and water build floor;
Step 2: superimposed for upper strata concrete filled steel tube edge constraint monolithic shear wall is placed on floor, and the part making the vertical reinforcement of lower floor's concrete filled steel tube edge constraint superimposed monolithic shear wall stretch out upper surface puts in the cavity of the superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint;
Step 3: use support to fix the superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint;
Step 4: with the cavity concreting of rectangular steel pipe in the cavity of the superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint.
The present invention has following beneficial effect:
Concrete filled steel tube edge constraint of the present invention superimposed monolithic shear wall is easy for installation.When mounted, lifted to assigned address, then in cavity and the cavity concreting of rectangular steel pipe, water the concrete of build floor simultaneously, complete the installation of this layer of superimposed monolithic shear wall of concrete filled steel tube edge constraint.Under installing during the superimposed monolithic shear wall of one deck concrete filled steel tube edge constraint, above superimposed for new concrete filled steel tube edge constraint monolithic shear wall lifting to the floor of having built, and superimposed for upper and lower two-layer concrete filled steel tube edge constraint monolithic shear wall is connected, the cavity of the superimposed monolithic shear wall of the most backward new concrete filled steel tube edge constraint and the cavity concreting of rectangular steel pipe.
Horizontal reinforcement in the superimposed monolithic shear wall of concrete filled steel tube edge constraint of the present invention and rectangular steel pipe are directly welded into entirety, rectangular steel pipe are connected reliably, good integrity with precast concrete facade panel.
The superimposed monolithic shear wall of concrete filled steel tube edge constraint of the present invention adopts rectangular steel pipe+concrete to carry out edge constraint, and the ductility of steel applied to well in concrete structure, can greatly improve the standard ultimate bearing capacity and ductility, anti-seismic performance is superior.
The superimposed monolithic shear wall of concrete filled steel tube edge constraint of the present invention adopts the prefabricated reinforced concrete panel of tension member drawknot both sides, under the effect of shearing, concrete filled steel tube edge constraint superimposed monolithic shear wall entirety is stressed, and tension member can stop New-old concrete superposed surfaces to occur cracking.
In sum, concrete filled steel tube edge constraint of the present invention superimposed monolithic shear wall is easy for installation; Rectangular steel pipe is connected with precast concrete facade panel reliably, good integrity; Ultimate lateral bearing capacity and ductility good, anti-seismic performance is superior; New-old concrete superposed surfaces is not easy to crack.
Accompanying drawing explanation
Fig. 1 is the stereogram of an embodiment of the superimposed monolithic shear wall of concrete filled steel tube edge constraint of the present invention;
Fig. 2 is three kinds of concrete structure schematic diagrames of the tension member in the present invention;
Fig. 3 is the main body figure of an embodiment of the superimposed monolithic shear wall of concrete filled steel tube edge constraint of the present invention;
Fig. 4 is the left body figure of an embodiment of concrete filled steel tube edge constraint of the present invention superimposed monolithic shear wall;
Fig. 5 is that the A-A of Fig. 3 is to sectional view;
Fig. 6 is the schematic diagram of an embodiment of the preparation method of the superimposed monolithic shear wall of concrete filled steel tube edge constraint of the present invention;
Fig. 7 is that the B-B of Fig. 6 is to sectional view;
Fig. 8 is that the C-C of Fig. 6 is to sectional view;
Fig. 9 is a step schematic diagram of another embodiment of the preparation method of the superimposed monolithic shear wall of concrete filled steel tube edge constraint of the present invention;
Figure 10 is another step schematic diagram of another embodiment of the preparation method of the superimposed monolithic shear wall of concrete filled steel tube edge constraint of the present invention;
Figure 11 is that the D-D of Fig. 9 is to sectional view;
Figure 12 is that the E-E of Figure 10 is to sectional view;
Figure 13 is an embodiment front view of the mounting method of the superimposed monolithic shear wall of concrete filled steel tube edge constraint of the present invention;
Figure 14 is an embodiment left view of the mounting method of the superimposed monolithic shear wall of concrete filled steel tube edge constraint of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
On the one hand, the invention provides the superimposed monolithic shear wall of a kind of concrete filled steel tube edge constraint, as shown in Figures 1 to 5, comprise two pieces of precast concrete facade panels be oppositely arranged 1, be positioned at two rectangular steel pipes 2 (certainly also comprising rectangular steel tube) of precast concrete facade panel 1 both sides 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, middlely forms cavity 4, and the two ends of tension member 3 are embedded in precast concrete facade panel 1 respectively;
Be provided with horizontal reinforcement (for illustrating in figure) and vertical reinforcement 5 in precast concrete facade panel 1, the two ends of horizontal reinforcement weld together with rectangular steel pipe 2 respectively;
The poured in place concrete when cavity of cavity 4 and rectangular steel pipe 2 is for constructing.
The embodiment of the present invention has following beneficial effect:
The concrete filled steel tube edge constraint superimposed monolithic shear wall of the embodiment of the present invention is easy for installation.When mounted, lifted to assigned address, then in cavity and the cavity concreting of rectangular steel pipe, water the concrete of build floor simultaneously, complete the installation of this layer of superimposed monolithic shear wall of concrete filled steel tube edge constraint.Under installing during the superimposed monolithic shear wall of one deck concrete filled steel tube edge constraint, above superimposed for new concrete filled steel tube edge constraint monolithic shear wall lifting to the floor of having built, and superimposed for upper and lower two-layer concrete filled steel tube edge constraint monolithic shear wall is connected, the cavity of the superimposed monolithic shear wall of the most backward new concrete filled steel tube edge constraint and the cavity concreting of rectangular steel pipe.
Horizontal reinforcement in the superimposed monolithic shear wall of concrete filled steel tube edge constraint of the embodiment of the present invention and rectangular steel pipe are directly welded into entirety, rectangular steel pipe are connected reliably, good integrity with precast concrete facade panel.
The superimposed monolithic shear wall of concrete filled steel tube edge constraint of the embodiment of the present invention adopts rectangular steel pipe+concrete to carry out edge constraint, the ductility of steel is applied in concrete structure well, can greatly improve the standard ultimate bearing capacity and ductility, anti-seismic performance is superior.
The superimposed monolithic shear wall of concrete filled steel tube edge constraint of the embodiment of the present invention adopts the prefabricated reinforced concrete panel of tension member drawknot both sides, under the effect of shearing, concrete filled steel tube edge constraint superimposed monolithic shear wall entirety is stressed, and tension member can stop New-old concrete superposed surfaces to occur cracking.
In sum, the concrete filled steel tube edge constraint superimposed monolithic shear wall of the embodiment of the present invention is easy for installation; Rectangular steel pipe is connected with precast concrete facade panel reliably, good integrity; Ultimate lateral bearing capacity and ductility good, anti-seismic performance is superior; New-old concrete superposed surfaces is not easy to crack.
In embodiments of the invention, tension member can have various structures, and such as tension member 3 can be Z-shape steel strip, as shown in (a) in Fig. 2; Also can be C-type steel strip, as shown in (b) in Fig. 2; Can also be H profile steel strip, as shown in (c) in Fig. 2; 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, the web 32 of Z-shape steel strip, C-type steel strip or H profile steel strip has hole 33, and hole 33 is circular hole, slotted hole, square hole and/or diamond hole.Hole can make the concrete of web both sides be communicated with, and forms dowel action, increases the concrete globality in web both sides.
Preferably, in order to make tension member, there is certain structural strength, the thickness of Z-shape steel strip, C-type steel strip or H profile steel strip is 0.5-3mm, and, ensure that tension member can not come off open with precast concrete facade panel under the effect of resisting pulling force stubbornly, 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 as the embodiment of the present invention is improved, and rectangular steel pipe is provided with shear stud 6 on the surface of cavity side, and shear stud is connected with rectangular steel pipe by the mode preferably by welding.Make the concrete in cavity and rectangular steel pipe connect into entirety by shear stud, connect more reliable, globality is better.
When constructing, the superimposed monolithic shear wall of upper and lower two-layer concrete filled steel tube edge constraint links by usual needs, connected mode can have multiple, here provide an embodiment: vertical reinforcement 5 stretches out the upper surface of precast concrete facade panel 1, outreach should meet the lap length required by vertical reinforcement.
When constructing, the vertical reinforcement of superimposed for lower floor's concrete filled steel tube edge constraint monolithic shear wall is bent inwards, then upper strata concrete filled steel tube edge constraint superimposed monolithic shear wall is lifted into above the superimposed monolithic shear wall of lower floor's concrete filled steel tube edge constraint, and make the vertical reinforcement of lower floor's concrete filled steel tube edge constraint superimposed monolithic shear wall stretch in the cavity of the superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint, to the cavity of the superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint and the cavity concreting of rectangular steel pipe, the superimposed monolithic shear wall of upper and lower two-layer concrete filled steel tube edge constraint can link together by vertical reinforcement.Save spheroidal graphite grout sleeve or the slurry anchor of bar connecting.
The lap length of reinforcing bar generally refers to the lap length that reinforcing bar binding connects, and the lap length of the reinforcing bar of different model has different regulations.
Further, more firm in order to make the superimposed monolithic shear wall of upper and lower two-layer concrete filled steel tube edge constraint connect, the distance that vertical reinforcement 5 stretches out the upper surface of precast concrete facade panel 1 is not less than the summation of lap length required by 1.2 times of vertical reinforcements and slab thickness.Because generally can build floor be watered in the middle of the superimposed monolithic shear wall of upper and lower two-layer concrete filled steel tube edge constraint, therefore need to reserve slab thickness.
Meet the requirements to make the intensity of the superimposed monolithic shear wall of concrete filled steel tube edge constraint, the thickness of precast concrete facade panel is no less than 50mm, the material of rectangular steel pipe is Q235B and above grade steel, and the concrete grade when concrete in precast concrete facade panel and site operation is C30 and above grade.
On the other hand, the invention provides the preparation method of the superimposed monolithic shear wall of a kind of above-mentioned concrete filled steel tube edge constraint, as described in Fig. 6 to Fig. 8, one of them embodiment comprises the steps:
Step 1: two rectangular steel pipes 2 are pressed design size and erect fixing; When rectangular steel pipe 2 is welded with shear stud 6, two faces being welded with shear stud 6 are oppositely arranged.
Step 2: the vertical reinforcement 5 of two pieces of precast concrete facade panels and horizontal reinforcement colligation are fixed, and the two ends of horizontal reinforcement are welded on two rectangular steel pipes 2.
Step 3: erect tension member 3 at middle frame; And make the two ends of tension member can be embedded in certain depth in precast concrete facade panel after concreting, preferably, vertical reinforcement or the horizontal reinforcement of tension member and two pieces of precast concrete facade panels are connected and fixed.
Step 4: place filler template 7 (as polyphenyl plate etc.) in middle inner side and fix, filler template is placed on cavity place; Fixing at two arranged outside support templates 8 (as steel or bamboo wooden form etc.), support template is used for preventing concrete spillage, and makes concrete forming.
Step 5: concreting, and by concrete curing to strength of mould stripping, obtained two pieces of precast concrete facade panels 1.
Step 6: detach middle filler template 7, removes the support template 8 outside two, the obtained superimposed monolithic shear wall of concrete filled steel tube edge constraint.
The preparation method of the embodiment of the present invention is simple and convenient, and only need build once namely plastic, preparation time is short, and efficiency is high.
Again on the one hand, the invention provides a kind of another kind of preparation method of above-mentioned concrete filled steel tube edge constraint superimposed monolithic shear wall, as shown in Fig. 9 to Figure 12, one of them embodiment comprises the steps:
Step 1: two rectangular steel pipes 2 are lain low fixing by design size; When rectangular steel pipe 2 is welded with shear stud 6, two faces being welded with shear stud 6 are oppositely arranged.
Step 2: the vertical reinforcement 5 of the precast concrete facade panel of downside and horizontal reinforcement 9 colligation are fixed, and the two ends of horizontal reinforcement are welded on two rectangular steel pipes 2; Although in this step, all reinforcing bars are all levels, in order to call conveniently and in order to context is unified and be convenient to understand, still be called vertical reinforcement and horizontal reinforcement.
Step 3: erect tension member 3 at middle frame; And make the two ends of tension member can be embedded in certain depth in precast concrete facade panel after concreting, preferably, vertical reinforcement or the horizontal reinforcement of tension member and downside precast concrete facade panel are connected and fixed.
Step 4: arrange support template 8 (as steel or bamboo wooden form etc.) at precast concrete facade panel two ends and fix, support template is used for preventing concrete spillage, and makes concrete forming.In this step, precast concrete facade panel does not also obtain, and mentions that precast concrete facade panel two ends are to limit the position of support template with precast concrete facade panel herein.
Step 5: concreting, and by concrete curing to final set, the precast concrete facade panel 1 of obtained downside.
Step 6: place filler template 7 (as polyphenyl plate etc.) on obtained downside precast concrete facade panel.
Step 7: the vertical reinforcement of the precast concrete facade panel of upside and horizontal reinforcement colligation are fixed, and the two ends of horizontal reinforcement are welded on two rectangular steel pipes 2, preferably, the vertical reinforcement of the precast concrete facade panel of tension member and upside or horizontal reinforcement are connected and fixed.
Step 8: concreting, and by concrete curing to strength of mould stripping, the precast concrete facade panel (not shown) of obtained upside.
Step 9: the support template 8 removing precast concrete facade panel two ends, detaches middle filler template 7, the obtained superimposed monolithic shear wall of concrete filled steel tube edge constraint.
The embodiment of the present invention, owing to being horizontal positioned, makes concreting more convenient.
Again on the one hand, the invention provides the mounting method of the superimposed monolithic shear wall of a kind of above-mentioned concrete filled steel tube edge constraint, as shown in Figure 13 and Figure 14 (in figure, the direction of arrow is the direction of concreting), one of them embodiment comprises the steps to comprise:
Step 1: the part that the vertical reinforcement of superimposed for lower floor's concrete filled steel tube edge constraint monolithic shear wall stretches out upper surface is bent inwards to appropriate location, can stretch in the cavity of the superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint, and preferably make the cavity inner surface of the superimposed monolithic shear wall of its distance upper strata concrete filled steel tube edge constraint be no less than 10mm.With the cavity concreting of rectangular steel pipe in the cavity of the superimposed monolithic shear wall of lower floor's concrete filled steel tube edge constraint, and water build floor.
Step 2: superimposed for upper strata concrete filled steel tube edge constraint monolithic shear wall is placed on floor, and the part making the vertical reinforcement of lower floor's concrete filled steel tube edge constraint superimposed monolithic shear wall stretch out upper surface puts in the cavity of the superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint.
Step 3: use the fixing superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint of support 10 (easy falsework).
Step 4: in the cavity of the superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint and the cavity concreting of rectangular steel pipe, makes two-layer to become overall downwards.
The embodiment of the present invention only needs to use a small amount of simple rack, installs template without the need to scene, and efficiency of construction is high, low in the pollution of the environment.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. the superimposed monolithic shear wall of concrete filled steel tube edge constraint, it is characterized in that, comprise two pieces of precast concrete facade panels be oppositely arranged, at two rectangular steel pipes of described precast concrete facade panel both sides and at least one tension member between described precast concrete facade panel, wherein:
Described precast concrete facade panel and rectangular steel pipe surround, middle formation cavity, and the two ends of described tension member are embedded in described precast concrete facade panel respectively;
Be provided with horizontal reinforcement and vertical reinforcement in described precast concrete facade panel, the two ends of described horizontal reinforcement weld together with described rectangular steel pipe respectively;
The poured in place concrete when cavity of described cavity and described rectangular steel pipe is for constructing.
2. the superimposed monolithic shear wall of concrete filled steel tube edge constraint according to claim 1, it is characterized in that, described tension member is Z-shape steel strip, C-type steel strip or H profile steel strip, two edges of a wing of described Z-shape steel strip, C-type steel strip or H profile steel strip are embedded in described precast concrete facade panel respectively, the web of described Z-shape steel strip, C-type steel strip or H profile steel strip has hole, and described hole is circular hole, slotted hole, square hole and/or diamond hole.
3. the superimposed monolithic shear wall of concrete filled steel tube edge constraint according to claim 2, it is characterized in that, the thickness of described Z-shape steel strip, C-type steel strip or H profile steel strip is 0.5-3mm, and the thickness that two edges of a wing of described Z-shape steel strip, C-type steel strip or H profile steel strip are embedded in described precast concrete facade panel is not less than 20mm.
4. the superimposed monolithic shear wall of concrete filled steel tube edge constraint according to claim 1, is characterized in that, described rectangular steel pipe is provided with shear stud on the surface of described cavity side.
5. according to the arbitrary described superimposed monolithic shear wall of concrete filled steel tube edge constraint of claim 1-4, it is characterized in that, described vertical reinforcement stretches out the upper surface of described precast concrete facade panel, and outreach should meet the lap length required by described vertical reinforcement.
6. the superimposed monolithic shear wall of concrete filled steel tube edge constraint according to claim 5, it is characterized in that, the distance that described vertical reinforcement stretches out the upper surface of described precast concrete facade panel is not less than the summation of lap length required by 1.2 times of described vertical reinforcements and slab thickness.
7. the superimposed monolithic shear wall of concrete filled steel tube edge constraint according to claim 5, it is characterized in that, the thickness of described precast concrete facade panel is no less than 50mm, the material of described rectangular steel pipe is Q235B and above grade steel, and the concrete grade when concrete in described precast concrete facade panel and site operation is C30 and above grade.
8. the preparation method of the arbitrary described superimposed monolithic shear wall of concrete filled steel tube edge constraint of claim 1-7, is characterized in that, comprising:
Step 1: two rectangular steel pipes are pressed design size and erect fixing;
Step 2: the vertical reinforcement of two pieces of precast concrete facade panels and horizontal reinforcement colligation are fixed, and the two ends of described horizontal reinforcement are welded on described two rectangular steel pipes;
Step 3: erect tension member at middle frame, and be connected and fixed with the vertical reinforcement of two pieces of precast concrete facade panels or horizontal reinforcement;
Step 4: place filler template in inner side, centre and fix, also fixing at two arranged outside support templates;
Step 5: concreting, and by concrete curing to strength of mould stripping, obtained two pieces of precast concrete facade panels;
Step 6: detach middle filler template, removes the support template outside two.
9. the preparation method of the arbitrary described superimposed monolithic shear wall of concrete filled steel tube edge constraint of claim 1-7, is characterized in that, comprising:
Step 1: two rectangular steel pipes are lain low fixing by design size;
Step 2: the vertical reinforcement of the precast concrete facade panel of downside and horizontal reinforcement colligation are fixed, and the two ends of described horizontal reinforcement are welded on described two rectangular steel pipes;
Step 3: erect tension member at middle frame, and be connected and fixed with the vertical reinforcement of downside precast concrete facade panel or horizontal reinforcement;
Step 4: support template is set at precast concrete facade panel two ends and fixes;
Step 5: concreting, and by concrete curing to final set, the precast concrete facade panel of obtained downside;
Step 6: place filler template on obtained downside precast concrete facade panel;
Step 7: the vertical reinforcement of the precast concrete facade panel of upside and horizontal reinforcement colligation are fixed, and the two ends of described horizontal reinforcement are welded on described two rectangular steel pipes, and the vertical reinforcement of tension member and upside precast concrete facade panel or horizontal reinforcement are connected and fixed;
Step 8: concreting, and by concrete curing to strength of mould stripping, the precast concrete facade panel of obtained upside;
Step 9: the support template removing precast concrete facade panel two ends, detaches middle filler template.
10. the mounting method of the arbitrary described superimposed monolithic shear wall of concrete filled steel tube edge constraint of claim 5-7, is characterized in that, comprising:
Step 1: the part that the vertical reinforcement of superimposed for lower floor's concrete filled steel tube edge constraint monolithic shear wall stretches out upper surface is bent inwards, with the cavity concreting of rectangular steel pipe in the cavity of the superimposed monolithic shear wall of lower floor's concrete filled steel tube edge constraint, and water build floor;
Step 2: superimposed for upper strata concrete filled steel tube edge constraint monolithic shear wall is placed on floor, and the part making the vertical reinforcement of lower floor's concrete filled steel tube edge constraint superimposed monolithic shear wall stretch out upper surface puts in the cavity of the superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint;
Step 3: use support to fix the superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint;
Step 4: with the cavity concreting of rectangular steel pipe in the cavity of the superimposed monolithic shear wall of upper strata concrete filled steel tube edge constraint.
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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Cited By (4)

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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
CN108301553A (en) * 2017-12-11 2018-07-20 新疆苏中建设工程有限公司 A kind of precast concrete board wall and preparation 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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CN101649656A (en) * 2009-09-03 2010-02-17 同济大学 Overlapped shear wall with prefabricated part and cast-in-situ part and manufacturing method thereof
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CN105040816A (en) * 2015-08-27 2015-11-11 湖南大学 Prefabricated assembly type and hidden-support-equipped superposed plate type reinforced concrete core wall
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CN201459954U (en) * 2009-06-05 2010-05-12 陈云 Thermal-insulation shear wall with double-layer steel plate
CN101649656A (en) * 2009-09-03 2010-02-17 同济大学 Overlapped shear wall with prefabricated part and cast-in-situ part and manufacturing method thereof
CN105040816A (en) * 2015-08-27 2015-11-11 湖南大学 Prefabricated assembly type and hidden-support-equipped superposed plate type reinforced concrete core wall
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN108301553A (en) * 2017-12-11 2018-07-20 新疆苏中建设工程有限公司 A kind of precast concrete board wall and preparation method thereof
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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