CN108678218A - Assembly concrete shear wall and its method of construction based on multipurpose thin-wall steel tube - Google Patents

Assembly concrete shear wall and its method of construction based on multipurpose thin-wall steel tube Download PDF

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Publication number
CN108678218A
CN108678218A CN201810460366.5A CN201810460366A CN108678218A CN 108678218 A CN108678218 A CN 108678218A CN 201810460366 A CN201810460366 A CN 201810460366A CN 108678218 A CN108678218 A CN 108678218A
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edge member
reinforcing bar
concrete
bar
wall
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CN108678218B (en
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孟凡林
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Fanlin Assembly Building Technology Co.,Ltd.
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孟凡林
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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

Abstract

Assembly concrete shear wall and its method of construction based on multipurpose thin-wall steel tube, belong to construction engineering technical field, including precast concrete hollow wall panel, thin-wall steel tube, shear wall horizontal distribution reinforcing bar, vertical distribution bottom joint bar, vertical distribution connection reinforcing bar, long spacer bar, short spacer bar, the precast concrete hollow wall panel with edge member, edge member stirrup, edge member lacing wire, edge member longitudinal structure reinforcing bar, the bottom joint bar of edge member Reinforcement, straight thread connecting sleeve and edge member Reinforcement;The present invention realizes thin-wall steel tube one tube multipurpose, significantly improves Prefabrication efficiency;The vertical distribution bar of interlaminar shear wall is replaced using thin-wall steel tube, reduces amount of reinforcement, and connection reinforcing bar is used to realize the overlap joint connection between levels at floor, easy to connect reliable;Part concrete filled steel tube significantly improves structural behaviour of shear wall, including resistance to compression, bending resistance, shearing resistance, energy consumption, ductility etc..

Description

Assembly concrete shear wall and its method of construction based on multipurpose thin-wall steel tube
Technical field
The invention belongs to construction engineering technical fields, especially relate to a kind of assembled based on multipurpose thin-wall steel tube Concrete shear force wall and its method of construction.
Background technology
Currently, the connection method of the vertical distribution bar of assembly concrete shear wall, is mainly the following mode:
《Reinforced bar sleeve grouting connection application technology regulation》Connection method in JGJ 355-2015 is that current assembled is mixed The main connection method of Xtah Crude Clay structure reinforcing bar, but this technology is due to examining difficulty, being affected by human factors larger and receiving matter It doubts, industry thinks unstable quality, unreliable;And the vertical distribution bar amount of concrete shear force wall is more and diameter is thin, the company of causing Be connected into it is excessively high, in order to promote the popularization of assembled architecture,《Prefabricated concrete structure technical regulation》JGJ1-2014 will《It is high Layer building concrete structure technology regulation》Homonymy bar spacing as defined in JGJ3-2010 has been increased to 600, one by 200~300 Determine to reduce reliability of structure in degree.
《Extrusion Connected Method of Reinforcing Steel Bar regulation》JGJ 108-96, this rebar connecting technology, for assembled The bar connecting of concrete structure, has been only applicable under conditions of operating space, can be applicable in horizontal reinforcement connection, for perpendicular To bar connecting and impracticable, and the difficult point of prefabricated concrete structure bar connecting is that the connection of vertical reinforcement.
Heilungkiang Yu Hui groups assembly integrated precast concrete shear wall structural system, using reinforced binding slurry anchor overlap joint The form of connection carries out the connection of shear wall vertical reinforcement, for its essence, is had no significantly with reinforced bar sleeve grouting connection Difference, q&r are also essentially identical.
Publication number CN103485548B, assembled hollow concrete overlapped shear wall Vertical bar connection method, by with Lower step is realized.Step 1: the vertical distribution bar in shear wall wallboard is thrown away upwards, it is reserved to get rid of reinforcing bar outside, under component Slot is arranged in portion, reinforcing bar contraposition overlap joint connection when facilitating the installation docking of levels component;Step 2: getting rid of reinforcing bar peace outside member upper Floor position is passed through when dress;Step 3: the hollow concrete of last layer is sheared into the vertical hole of wall member counterpart member, it will be next The outer reinforcing bar that gets rid of of story shear wall member is inserted into hole, will be got rid of outside in reserved mounting groove hole location vertical in reinforcing bar and component Reinforcing bar realizes overlap joint connection;Step 4: pouring concrete at hollow parts for core filling, completes the installation of component, component is made to form one A entirety.The invention makes that the connection of assembled hollow concrete shear wall vertical reinforcement becomes simple, quality is easy to ensure, improve Productivity, it is ensured that building construction quality and reducing the construction costs.But there is precast concrete shearings for this technical solution Wall top portion it is outer get rid of reinforcing bar it is longer, occupy production space it is larger, get rid of outside reinforcing bar increase production prefabricated panel difficulty, reduce Production efficiency, the outer profile size of prefabricated panel are larger, transport is inconvenient, and precast hollow hole core pulling is difficult, increases process, production The shortcomings such as efficiency is low.
The application for a patent for invention file of application number 201710373977.1 discloses a kind of prefabricated assembled double steel pipe coagulation Native shear wall and its assembly method, including the outer steel pipe that is embedded in concrete walls;Be embedded in concrete walls by drawknot steel The bar-mat reinforcement that muscle, vertical distribution bar and horizontal distribution reinforcing bar intertexture are constituted;Coagulation is stretched out in the upper and lower side of the outer steel pipe, part The upper and lower part of cob wall;The internal sleeve of the outer steel pipe is equipped with interior steel pipe;The interior steel duct is filled with high-strength concrete Column;The outer steel pipe stretches out the part of concrete walls with interior steel pipe, and fixation is extended radially through by cross bolts, for preventing the two Between axial and circumferential relative motion.This double steel pipe concrete shear force wall has quick reliable, the construction technology letter of vertical connection List, level shear capacity height, good integrity, lateral stability are high, anti-seismic performance is good, the construction period is short, most of component can Standardized production.But this method the problem is that:Steel using amount is excessive, and cost increases;Between double steel pipe, inner tube with it is mixed Working condition performance between solidifying soil be difficult to it is clear, using there is obstacle;It differs greatly with national current engineering construction technique standard, There are technical bottlenecks.
The utility model patent mandate specification for authorizing publication number CN202073208U discloses a kind of concrete filled steel tube and cuts Power wall, including steel pipe, steel pipe inner concrete, anti-shear ring muscle, external wrapping concrete, transverse steel, longitudinal reinforcement and steel tie;Steel Pipe is every 2 times~6 timesPipe diameterIt is evenly arranged away from embarking on journey, steel pipe inner concrete is filled in steel pipe, it is past from the bottom end of steel pipe Upper meter, the spacing every 500mm~1000mm weld anti-shear ring muscle in the circumference patch of steel pipe;It is equipped with by more in the front and rear sides of steel pipe The bar-mat reinforcement of root transverse steel and Duo Gen longitudinal reinforcements composition;It is drawn by steel tie between the bar-mat reinforcement of the front and rear sides of steel pipe Knot;External wrapping concrete is perfused between the bar-mat reinforcement of the front and rear sides of steel pipe.The utility model is initial compared with existing shear wall Rigidity is big, bearing capacity is high, when destruction bearing capacity and stiffness decaying compared with slow, ductility is good, can to avoid bottom shear sliding rupture, Have many advantages, such as preferable anti-seismic performance, is suitable for super-high building structure.But this patented technology the problem is that:Steel pipe It is only used for improving the performance of shear wall, has no other purposes, and be only applicable to cast-in-place concrete structure.
The application for a patent for invention specification of application number 201210393319.6 discloses a kind of concrete filled steel tube combined shear Wall and its work progress, shear wall include the coagulation along the equally distributed steel pipe of shear wall cross section, the steel pipe being filled in steel pipe Soil is cast in the concrete steel pipe outside steel pipe Wai, the square stirrup being arranged outside steel pipe, is arranged and vertically divides in steel pipe front and rear sides It steel tie between steel pipe and vertical distribution bar and horizontal distribution reinforcing bar of cloth reinforcing bar and horizontal distribution reinforcing bar, drawknot and sets Set the longitudinal reinforcement in both sides of the edge confining part position;Embedded steel pipe, utilizes steel pipe in ordinary reinforced concrete shear wall Effect of contraction improve concrete bearing capacity, and then in the case that design axle power it is identical reduce component sectional dimension, subtract Small dead load reduces geological process, more usable floor areas is provided for building;Using concrete filled steel tube high-bearing capacity and High ductility effectively improves the anti-bending bearing capacity of shear wall, shear-carrying capacity, destroys the anti-seismic performances such as ductility.But this technology The problem is that:Steel pipe is only used for improving the performance of shear wall, has no other purposes, and be only applicable to cast-in-place concrete knot Structure.
The connection method of the existing vertical distribution bar of assembly concrete shear wall, the scheme using grouting connection exist Quality not know and the high problem of cost;Using precast hollow hole concrete panel, rear pouring concrete is realized in hollow hole It directly overlaps, the indirect scheme overlapped or be mechanically connected, there is pore-forming process difficulty, and big, reduction efficiency and raising cost etc. are asked Topic;In order to solve the problems, such as that these exist, it is badly in need of proposing new technical solution.
Invention content
The technical problem to be solved by the present invention is to:Assembly concrete shear wall based on multipurpose thin-wall steel tube is provided And its method of construction, realize thin-wall steel tube one tube multipurpose:Using thin-wall steel tube as precast concrete hollow wall panel hollow hole Disposal pore-forming mold has evaded the problem of core pulling difficulty in traditional core pulling process, significantly to cancel traditional core pulling process Improve Prefabrication efficiency;The vertical distribution bar of interlaminar shear wall is replaced using thin-wall steel tube, is reduced amount of reinforcement, is adopted at floor The overlap joint connection between levels, easy to connect and reliable, the vertical end of prefabricated hollow concrete wallboard are realized with connection reinforcing bar It is that production offers convenience without reserved " beard muscle ";Part concrete filled steel tube can significantly improve the structural behaviour of shear wall, Including resistance to compression, bending resistance, shearing resistance, energy consumption, ductility etc..
Assembly concrete shear wall based on multipurpose thin-wall steel tube, it is characterized in that:Including precast concrete cavity wall Plate, thin-wall steel tube, shear wall horizontal distribution reinforcing bar, vertical distribution bottom joint bar, vertical distribution connection reinforcing bar, long spacer bar, Short spacer bar, the precast concrete hollow wall panel with edge member, edge member stirrup, edge member lacing wire, edge structure Part longitudinal structure reinforcing bar, the bottom joint bar of edge member Reinforcement, straight thread connecting sleeve and edge member are longitudinal Steel bar stress;
The precast concrete hollow wall panel is provided with vertical hollow hole;
The section of the thin-wall steel tube is round, oval, rectangle and polygon, is arranged in precast concrete cavity wall Intralamellar part, as hollow hole at punch die;
The shear wall horizontal distribution reinforcing bar is arranged horizontally at the inside of precast concrete hollow wall panel;
The bottom joint bar of the vertical distribution bar is that inverted U-shaped and inverted U-shaped lower end is provided with to 90 degree of bend external Crotch, the vertical bottom joint bar top horizontal outer profile size that is distributed are less than thin-wall steel tube internal diameter 3mm~5mm, are vertically distributed bottom The lower part of joint bar is arranged inside the cast-in-place concrete of bottom, and top is arranged inside precast concrete hollow wall panel, by cast-in-place Concrete and thin-wall steel tube anchor connection;
The vertical distribution connection reinforcing bar is the rectangle being closed, and the outer profile size of rectangle short side is less than in thin-wall steel tube Diameter 3mm~5mm, the lower end of vertical distribution connection reinforcing bar anchor into the upper end of the vertical hollow hole of precast concrete hollow wall panel, erect The lower end that the vertical hollow hole of precast concrete hollow wall panel is anchored into the upper end of distribution connection reinforcing bar, passes through cast-in-place concrete With thin-wall steel tube anchor connection;
The cross-sectional diameter of the long spacer bar is identical as the vertical distribution connection cross-sectional diameter of reinforcing bar, and length is cross 5 times of diameter of section~10 times, setting is in vertical distribution connection reinforcing bar rectangle long side side;
The cross-sectional diameter of the short spacer bar is identical as the vertical distribution connection cross-sectional diameter of reinforcing bar, and length is cross 3 times of diameter of section~5 times, setting is in vertical distribution connection reinforcing bar rectangle long side side corresponding with long spacer bar;
The end set of the precast concrete hollow wall panel with edge member has prefabricated edge member;
The edge member stirrup, edge member lacing wire and edge member longitudinal structure reinforcing bar are arranged at edge Inside the precast concrete hollow wall panel of component, the edge member longitudinal structure reinforcing bar and edge member stirrup and edge structure Part lacing wire is arranged vertically;
The bottom joint bar of the edge member Reinforcement is L-shaped, and lower part is arranged inside cast-in-place concrete, top It is arranged inside the hollow hole of the precast concrete hollow wall panel with edge member, the bottom of edge member Reinforcement The top of joint bar is connect by straight thread connecting sleeve with edge member Reinforcement;The straight thread connecting sleeve it is interior Wall is provided with straight thread;The edge member Reinforcement is arranged in the precast concrete hollow wall panel with edge member Hollow hole inside.
The method of construction of assembly concrete shear wall based on multipurpose thin-wall steel tube, it is characterized in that:Including following step Suddenly, and following steps sequentially carry out,
Step 1: preparing hollow wall plank of concrete
Precast concrete hollow wall panel is prepared, dressing table mould arranges shear wall level point according to design requirement on platform mould Cloth reinforcing bar two or more is inserted into thin-wall steel tube, branch side form, fixed thin-wall steel tube, banding fixed shear wall horizontal distribution reinforcing bar, cloth Preheating embedding line, electrical junction box, attaching nut and suspension hook after-pouring concrete are set, is sprayed after curing strength reaches C20 or more Code is simultaneously piled up spare;
Prepare with edge member precast concrete hollow wall panel, dressing table mould, according to design requirement on platform mould cloth Set shear wall horizontal distribution reinforcing bar, edge member stirrup, edge member lacing wire, each two of edge member longitudinal structure reinforcing bar with On, be inserted into thin-wall steel tube, branch side form, fixed thin-wall steel tube, banding fixed shear wall horizontal distribution reinforcing bar, edge member stirrup, Edge member lacing wire, edge member longitudinal structure reinforcing bar, after arranging preheating embedding line, electrical junction box, attaching nut and suspension hook Casting concrete coding and is piled up spare after curing strength reaches C20 or more;
Step 2: preparing connection reinforcing bar
Prepare vertical distribution bottom joint bar;
It prepares and is vertically distributed connection reinforcing bar, vertical distribution connects reinforcing bar as closed rectangular, and rectangle short side outer profile size It is smaller 3mm~5mm than the internal diameter size of thin-wall steel tube;Long spacer bar is arranged in the vertical distribution connection long edge connector of reinforcing bar rectangle Locate side, side item is welded in the outside of vertical distribution connection reinforcing bar, plays the role of being closed vertical distribution connection reinforcing bar;By short positioning For steel bar arrangement in the corresponding other side of long spacer bar of vertical distribution connection reinforcement welding, side item is welded in vertical distribution connection steel The outside of muscle;
Step 3: the arrangement first floor connects reinforcing bar
The initial assembly end position of assembly concrete shear wall gets rid of from basic China and foreign countries or is sheared from bottom cast-in-place concrete It is placed in the first floor in wall and connects reinforcing bar, including is vertically distributed the bottom joint bar of bottom joint bar and edge member Reinforcement, root The outer reinforcing bar length got rid of upwards is reserved according to design requirement;
Step 4: installation hollow wall plank of concrete
Precast concrete hollow wall panel is installed, the vertical bottom joint bar that is distributed is inserted into the hollow hole of hollow wall plank of concrete;
Precast concrete hollow wall panel of the installation with edge member, first by edge member Reinforcement and edge structure The bottom joint bar of part Reinforcement is inserted into the precast concrete with edge member after being connected by straight thread connecting sleeve In the hollow hole of hollow wall panel, then fall precast concrete hollow wall panel of the installation with edge member again;
The bottom of the plate leg support sky hollow wall plank of concrete of hollow wall plank of concrete fixes concrete sky by bearing diagonal After core-wall plate, closed in its lateral bolster molding;
Step 5: the vertical distribution connection reinforcing bar of arrangement
After the template or superimposed sheet bottom plate of building cover board install, it will vertically be distributed connection reinforcing bar from above and be inserted into prefabricated mix In the hollow hole of solidifying soil hollow wall panel so that long spacer bar and short spacer bar are against the top on the outside of hollow hole, and make to erect The plane of reinforcing bar is connected perpendicular to shearing face of wall to distribution;
Step 6: pouring cast-in-place concrete
After other all reinforcing bar bindings and shuttering supporting, poured into the hollow hole of hollow wall plank of concrete existing Pouring concrete, cast-in-place concrete filling reach design in the gap of hollow hole and hollow wall panel bottom, cast-in-place concrete through maintenance After intensity, assembly concrete shear wall of the first floor based on multipurpose thin-wall steel tube, which is built, to be completed;
Step 7: the installation each layer concrete hollow wall panel in top
Precast concrete hollow wall panel is installed, vertical distribution connection reinforcing bar is inserted into the hollow hole of precast concrete hollow wall panel In;
Precast concrete hollow wall panel of the installation with edge member, first by the edge member Reinforcement of this layer and Next layer of edge member Reinforcement is inserted into prefabricated mixed with edge member after being connected by straight thread connecting sleeve In the hollow hole of solidifying soil hollow wall panel, then fall precast concrete hollow wall panel of the installation with edge member again;
The bottom of the plate leg support sky hollow wall plank of concrete of hollow wall plank of concrete fixes concrete sky by bearing diagonal After core-wall plate, closed in its lateral bolster molding;
Step 5~step 7 is repeated, until the vertical distribution for laying top layer connects reinforcing bar, the vertical distribution connection of top layer Reinforcing bar only anchors into concrete slab, repeats step 6, top layer cast-in-place concrete is poured completion.
By above-mentioned design scheme, the present invention can bring following advantageous effect:Assembly based on multipurpose thin-wall steel tube Formula concrete shear force wall and its method of construction realize thin-wall steel tube one tube multipurpose, using thin-wall steel tube as precast concrete The disposal pore-forming mold of hollow wall panel hollow hole has been evaded and having been taken out in traditional core pulling process to cancel traditional core pulling process The problem of core difficulty can significantly improve Prefabrication efficiency, reduce Prefabrication cost;The vertical distribution bar of interlaminar shear wall It is replaced using thin-wall steel tube, saves amount of reinforcement, the overlap joint realized thin-wall steel tube using reinforcing bar is connected at floor and connect reinforcing bar Connection, can be effective against shear wall goes out plane moment of flexure, easy to connect and reliable;Prefabricated hollow concrete wallboard vertical end Portion is not necessarily to reserved " beard muscle ", to offer convenience for production, lifting and storage and transportation;Through in thin-wall steel tube cast-in-place concrete formed Concrete filled steel tube, the structural behaviour of shear wall can be significantly improved,
Including resistance to compression, bending resistance, shearing resistance, energy consumption, ductility etc.;
It is convenient with Prefabrication, build best in quality, high construction efficiency, save artificial, materials saving, energy conservation and environmental protection and The advantages such as construction cost is low.
Description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated:
Fig. 1 is precast concrete hollow wall panel of the present invention horizontal cross-section schematic diagram.
Fig. 2 is precast concrete hollow wall panel elevational schematic view of the present invention.
Fig. 3 is precast concrete hollow wall panel diagrammatic cross-section of the present invention.
Fig. 4 is that schematic diagram is arranged in the vertical distribution bottom joint bar of the present invention.
Fig. 5 is the vertical distribution connection reinforcing bar schematic elevation view of the present invention.
Fig. 6 is the vertical distribution connection reinforcing bar schematic top plan view of the present invention.
Fig. 7 is precast concrete hollow wall panel scheme of installation of the present invention.
Fig. 8 is the vertical distribution connection reinforcement installation schematic diagram of the present invention.
Fig. 9 is that precast concrete hollow wall panel of the present invention has poured cast-in-place concrete schematic diagram.
Figure 10 is that the vertical distribution connection reinforcing bar of the present invention completes connection diagram.
Figure 11 is that the vertical distribution connection reinforcing bar of the present invention completes connection horizontal cross-section schematic diagram.
Figure 12 is the precast concrete hollow wall panel horizontal cross-section schematic diagram that the present invention carries edge member.
Figure 13 is the precast concrete hollow wall panel elevational schematic view that the present invention carries edge member.
Figure 14 is the precast concrete hollow wall panel diagrammatic cross-section that the present invention carries edge member.
Figure 15 is that schematic diagram is arranged in the bottom joint bar of edge member Reinforcement of the present invention.
Figure 16 is precast concrete hollow wall panel installation and edge member longitudinal stress steel of the present invention with edge member The bottom joint bar of muscle and edge member Reinforcement connection diagram.
Figure 17 is precast concrete hollow wall panel of the present invention with edge member and laminated floor slab scheme of installation.
Figure 18 is that precast concrete hollow wall panel of the present invention with edge member has poured cast-in-place concrete schematic diagram.
Figure 19 is that edge member Reinforcement of the present invention completes connection diagram.
Figure 20 is that edge member Reinforcement of the present invention completes connection horizontal cross-section schematic diagram.
Figure 21 is precast concrete legend schematic diagram of the present invention.
Figure 22 is cast-in-place concrete legend schematic diagram of the present invention.
1- precast concretes hollow wall panel, 2- thin-wall steel tubes, 3- shear wall horizontal distributions reinforcing bar, 4- are vertically distributed bottom in figure Portion's joint bar, 5- are vertically distributed the concrete that connection reinforcing bar, 6- long spacer bars, the short spacer bars of 7-, 8- carry edge member Native hollow wall panel, 9- edge member stirrups, the lacing wire of 10- edge members, 11- edge member longitudinal structures reinforcing bar, 12- edge members Bottom joint bar, 13- straight thread connecting sleeves, 14- edge members Reinforcement, the 15- concretes of Reinforcement Soil, 16- cast-in-place concretes.
Specific implementation mode
Assembly concrete shear wall based on multipurpose thin-wall steel tube, as shown in Fig. 1~Figure 22, including:Concrete Native hollow wall panel 1, thin-wall steel tube 2, shear wall horizontal distribution reinforcing bar 3, vertical distribution bottom joint bar 4, vertical distribution connection reinforcing bar 5, long spacer bar 6, short spacer bar 7, the precast concrete hollow wall panel 8 with edge member, edge member stirrup 9, side Edge component lacing wire 10, edge member longitudinal structure reinforcing bar 11, the bottom joint bar 12 of edge member Reinforcement, straight thread connect Female connector cylinder 13, edge member Reinforcement 14, precast concrete 15 and cast-in-place concrete 16.
The precast concrete hollow wall panel 1 is provided with vertical hollow hole, be in precast concrete shear wall, according to Design requirement is reserved with the precast concrete shear wall plate of vertical hollow hole;
The thin-wall steel tube 2 is using the welded pipe of sheet metal rolling, and section is rounded, oval, rectangle or polygon Shape is arranged inside precast concrete hollow wall panel 1, as hollow hole at punch die;
The shear wall horizontal distribution reinforcing bar 3 refers to shear wall horizontal plane along being longitudinally arranged for resisting horizontal shear Reinforcing bar, be arranged in the inside of precast concrete hollow wall panel 1;
The vertical distribution bottom joint bar 4 is that inverted U-shaped and inverted U-shaped lower end is provided with crotch to 90 degree of bend external, Vertical distribution bottom joint bar 4 be assembly concrete shear wall bottommost arrange, under precast concrete hollow wall panel It is that the cast in situ concrete foundation or floor in portion are thrown away, be inserted into precast concrete hollow wall panel hollow hole in, by cast-in-place coagulation Soil 16 plays the role of and 2 anchor connection of thin-wall steel tube;
The vertical distribution connection reinforcing bar 5 is in the rectangle being closed, internal diameter ruler of the short side outer profile size than thin-wall steel tube 2 Very little small 3mm~5mm, is arranged at floor, and lower end anchors into the upper end of precast concrete hollow wall panel hollow hole, and upper part anchors into The lower end of precast concrete hollow wall panel hollow hole, when upper part anchors into concrete roof in top, by cast-in-place mixed Solidifying soil 16 and 2 anchor connection of thin-wall steel tube;
The long spacer bar 6 is arranged in 5 rectangle long side joint side of vertical distribution connection reinforcing bar, and diameter is the same as vertical point Cloth connects reinforcing bar 5, and length is 5 times~10 times of diameter, and side item is welded in the outside of vertical distribution connection reinforcing bar 5, it is perpendicular to play closure Effect to distribution connection reinforcing bar 5;
The short spacer bar 7 is arranged in the 6 corresponding other side of long spacer bar that vertical distribution connection reinforcing bar 5 welds, Diameter connects reinforcing bar 5 with vertical distribution, and length is 3 times~5 times of diameter, and side item is welded in the outside of vertical distribution connection reinforcing bar 5;
The precast concrete hollow wall panel 8 with edge member, is had in the end of precast concrete hollow wall panel 1 Precast concrete wall panel when prefabricated edge member;
The edge member stirrup 9 and edge member lacing wire 10 are arranged in the precast concrete cavity wall with edge member In the edge member concrete of plate 8;
The edge member longitudinal structure reinforcing bar 11 is arranged in the side of the precast concrete hollow wall panel 8 with edge member In edge concrete members, it to be used for built-in edge component stirrup 9 and edge member lacing wire 10;
The bottom joint bar 12 of the edge member Reinforcement is the bottommost cloth in assembly concrete shear wall It is setting, being thrown away from the cast in situ concrete foundation or floor of precast concrete hollow wall panel lower part, with it is pre- with edge member The hollow hole site of edge member of hollow wall plank of concrete 8 processed is corresponding, vertical by straight thread connecting sleeve 13 and edge member The reinforcing bar connected to steel bar stress 14;
The straight thread connecting sleeve 13 refers to that the inner wall of steel bushing uses straight thread, for connecting precast concrete shearing The Reinforcement of wall edge member;
The edge member Reinforcement 14 is arranged in the pre- of the precast concrete hollow wall panel 8 with edge member In the rear pouring concrete of edge member hollow hole processed;
The precast concrete 15 is the concrete poured in a manner of Prefabrication, has been reached when being installed on building Design strength is arrived;
The cast-in-place concrete 16 is the concrete physically poured at building scene.
The method of construction of assembly concrete shear wall based on multipurpose thin-wall steel tube, is implemented by following steps,
Embodiment one, as shown in Fig. 1~Figure 11, the assembly concrete shear wall wall body based on multipurpose thin-wall steel tube It builds:
Step 1: preparing precast concrete hollow wall panel 1
Precast concrete hollow wall panel 1 is prepared using flat-die, dressing table mould arranges shearing according to design requirement on platform mould Wall horizontal distribution reinforcing bar 3 two or more is inserted into thin-wall steel tube 2, branch side form, fixed thin-wall steel tube 2, banding fixed shear wall level Distribution bar 3, arrangement preheating embedding line, electrical junction box, attaching nut and suspension hook, then casting concrete, reaches through curing strength To the rear codings of C20 or more and pile up spare;
Step 2: preparing connection reinforcing bar
Inverted U-shaped vertical distribution bottom joint bar 4 is prepared, 90 degree of crotches are made in lower end, and top horizontal outer profile size is than thin Small 3mm~the 5mm of 2 internal diameter of wall steel pipe;
It prepares and connects reinforcing bar 5 in the vertical distribution of closed rectangular shape, short side outer profile size is than in thin-wall steel tube 2 Small 3mm~the 5mm of diameter size;Long spacer bar 6 is arranged in 5 rectangle long side joint side of vertical distribution connection reinforcing bar, helps item It is welded in the outside of vertical distribution connection reinforcing bar 5, plays the role of being closed vertical distribution connection reinforcing bar 5;Short spacer bar 7 is arranged In the 6 corresponding other side of long spacer bar that vertical distribution connection reinforcing bar 5 welds, side item is welded in vertical distribution connection reinforcing bar 5 Outside;
Step 3: the vertical distribution bottom joint bar 4 of arrangement
The bottom face position of assembly concrete shear wall, when basis or floor are constructed, got rid of from basic China and foreign countries or from It is placed in vertical distribution bottom joint bar 4 in the cast-in-place concrete shear wall of assembly concrete shear wall bottommost, is wanted according to design It asks and reserves the outer reinforcing bar length got rid of upwards;
Step 4: installation precast concrete hollow wall panel 1
The hollow hole of precast concrete hollow wall panel 1 corresponds to 4 position of vertical distribution bottom joint bar, and precast concrete is hollow Wallboard 1 is installed in place, and the vertical bottom joint bar 4 that is distributed is inserted into 1 corresponding hollow hole of precast concrete hollow wall panel, concrete The empty bottom of most of precast concrete hollow wall panel 1 of the plate leg support of native hollow wall panel 1, is fixed prefabricated mixed by bearing diagonal After solidifying soil hollow wall panel 1, closed in its bottom sides formwork;
Step 5: the vertical distribution connection reinforcing bar 5 of arrangement
After the template or superimposed sheet bottom plate of building cover board install, will be vertically distributed from above connection reinforcing bar 5 be inserted into it is prefabricated In the hollow hole of hollow wall plank of concrete 1 so that long spacer bar 6 and short spacer bar 7 are against precast concrete hollow wall panel 1 Top on the outside of hollow hole, and make the plane for being vertically distributed connection reinforcing bar 5 perpendicular to shearing face of wall;
Step 6: pouring cast-in-place concrete 16
After other all reinforcing bar bindings and shuttering supporting, into the hollow hole of precast concrete hollow wall panel 1 Pour cast-in-place concrete 16, the gap of hollow hole and hollow wall panel bottom filled by cast-in-place concrete 16 it is closely knit, in cast-in-place coagulation Soil 16 after maintenance reaches intensity, built by the wall body of assembly concrete shear wall of the first floor based on multipurpose thin-wall steel tube At;
Step 7: each layer precast concrete hollow wall panel in installation top 1
Precast concrete hollow wall panel 1 is installed, vertical distribution connection reinforcing bar 5 is inserted into the sky of precast concrete hollow wall panel 1 In heart hole;The bottom of the plate leg support sky hollow wall plank of concrete of precast concrete hollow wall panel 1, is fixed prefabricated by bearing diagonal After hollow wall plank of concrete 1, closed in its lateral bolster molding;
Step 5~step 7 is repeated, until the vertical distribution for laying top layer connects reinforcing bar 5, the vertical distribution connection of top layer Reinforcing bar 5 only anchors into concrete slab, repeats step 6, top layer cast-in-place concrete 16 is poured completion.
Embodiment two, as shown in Figure 12~Figure 20, the side of the assembly concrete shear wall based on multipurpose thin-wall steel tube Edge component is built:
Step 1: preparing the precast concrete hollow wall panel 8 with edge member
Precast concrete hollow wall panel 8 with edge member is prepared using flat-die, dressing table mould exists according to design requirement Shear wall horizontal distribution reinforcing bar 3, edge member stirrup 9, edge member lacing wire 10, edge member longitudinal structure steel are arranged on platform mould 11 each two, muscle or more is inserted into thin-wall steel tube 2, branch side form, fixed thin-wall steel tube 2, banding fixed shear wall horizontal distribution reinforcing bar 3, edge member stirrup 9, edge member lacing wire 10, edge member longitudinal structure reinforcing bar 11, arrangement preheating embedding line, electrical wiring Box, attaching nut and suspension hook, then casting concrete coding and are piled up spare after curing strength reaches C20 or more;
Step 2: the bottom joint bar 12 of arrangement edge member Reinforcement
The bottom face position of precast concrete hollow wall panel 8 with edge member, when basis or floor are constructed, from Basic China and foreign countries get rid of or be placed in from the cast-in-place concrete shear wall of assembly concrete shear wall bottommost edge member it is longitudinal by The bottom joint bar 12 of power reinforcing bar reserves the outer reinforcing bar length got rid of upwards according to design requirement;
Step 3: precast concrete hollow wall panel 8 of the installation with edge member
The precast concrete hollow wall panel 8 with edge member install it is in place before, should first by edge member it is longitudinal by Power reinforcing bar 12 is connect by straight thread connecting sleeve 13 with the bottom joint bar 14 of edge member Reinforcement, and lifting carries side The precast concrete hollow wall panel 8 of edge component will complete edge member Reinforcement 12, the straight thread connecting sleeve of connection 13 and edge member Reinforcement bottom joint bar 14 be inserted into edge member precast concrete hollow wall panel 8 on it is right In the hollow hole answered, the precast concrete hollow wall panel 8 with edge member is then fallen into installation in place again, carries edge structure The bottom of the empty most of hollow wall plank of concrete of plate leg support of the precast concrete hollow wall panel 8 of part, is fixed by bearing diagonal After hollow wall plank of concrete, closed in its lateral bolster molding;
Step 4: pouring cast-in-place concrete 16
It is finished in the template of building cover board or the binding of superimposed sheet bottom plate installs and other are all reinforcing bar and shuttering supporting Afterwards, cast-in-place concrete 16 is poured into the hollow hole of hollow wall plank of concrete, the gap of hollow hole and hollow wall panel bottom is showed Pouring concrete 16 fill it is closely knit, cast-in-place concrete 16 through maintenance reach intensity after, dress of the first floor based on multipurpose thin-wall steel tube Edge member with formula concrete shear force wall, which is built, to be completed;
Step 5: the installation each layer in top carries the precast concrete hollow wall panel 8 of edge member
Precast concrete hollow wall panel 8 of the installation with edge member, first by the edge member Reinforcement of this layer 14 and next layer edge member Reinforcement 14 by straight thread connecting sleeve 13 connect after be inserted into carry edge member Precast concrete hollow wall panel 8 hollow hole in, then fall again installation with edge member precast concrete cavity wall Plate 8;
The bottom of the plate leg support sky hollow wall plank of concrete of precast concrete hollow wall panel 8 with edge member, passes through After bearing diagonal fixes the precast concrete hollow wall panel 8 with edge member, closed in its lateral bolster molding;It repeats the above steps Five and step 4, until the edge member of assembly concrete shear wall of the whole building building based on multipurpose thin-wall steel tube has been built At.

Claims (2)

1. the assembly concrete shear wall based on multipurpose thin-wall steel tube, it is characterized in that:Including precast concrete hollow wall panel (1), thin-wall steel tube (2), shear wall horizontal distribution reinforcing bar (3), vertical distribution bottom joint bar (4), vertical distribution connection reinforcing bar (5), long spacer bar (6), short spacer bar (7), precast concrete hollow wall panel (8), edge member with edge member Stirrup (9), edge member lacing wire (10), edge member longitudinal structure reinforcing bar (11), edge member Reinforcement bottom Joint bar (12), straight thread connecting sleeve (13) and edge member Reinforcement (14);
The precast concrete hollow wall panel (1) is provided with vertical hollow hole;
The section of the thin-wall steel tube (2) is round, oval, rectangle and polygon, is arranged in precast concrete cavity wall Plate (1) is internal, as hollow hole at punch die;
It is internal that the shear wall horizontal distribution reinforcing bar (3) is arranged horizontally at precast concrete hollow wall panel (1);
The vertical distribution bottom joint bar (4) is that inverted U-shaped and inverted U-shaped lower end is provided with crotch to 90 degree of bend external, perpendicular It is less than thin-wall steel tube (2) internal diameter 3mm~5mm to distribution bottom joint bar (4) top horizontal outer profile size, the vertical bottom that is distributed is inserted The lower part of muscle (4) is arranged inside the cast-in-place concrete of bottom, and top setting is internal in precast concrete hollow wall panel (1), passes through Cast-in-place concrete (16) and thin-wall steel tube (2) anchor connection;
The vertical distribution connection reinforcing bar (5) is the rectangle being closed, and the outer profile size of rectangle short side is less than thin-wall steel tube (2) The lower end of internal diameter 3mm~5mm, vertical distribution connection reinforcing bar (5) anchor into the vertical hollow hole of precast concrete hollow wall panel (1) Upper end, the upper end of vertical distribution connection reinforcing bar (5) anchor into the lower end of the vertical hollow hole of precast concrete hollow wall panel (1), Pass through cast-in-place concrete (16) and thin-wall steel tube (2) anchor connection;
The cross-sectional diameter of the long spacer bar (6) is identical as the vertical cross-sectional diameter of distribution connection reinforcing bar (5), and length is 5 times of cross-sectional diameter~10 times, setting is in vertical distribution connection reinforcing bar (5) rectangle long side side;
The cross-sectional diameter of the short spacer bar (7) is identical as the vertical cross-sectional diameter of distribution connection reinforcing bar (5), and length is 3 times of cross-sectional diameter~5 times, setting is in vertical distribution connection reinforcing bar (5) rectangle long side corresponding with long spacer bar (6) one Side;
The end set of the precast concrete hollow wall panel (8) with edge member has prefabricated edge member;
The edge member stirrup (9), edge member lacing wire (10) and edge member longitudinal structure reinforcing bar (11) are arranged at Precast concrete hollow wall panel (8) with edge member is internal, the edge member longitudinal structure reinforcing bar (11) and edge structure Part stirrup (9) and edge member lacing wire (10) are arranged vertically;
The bottom joint bar (12) of the edge member Reinforcement is L-shaped, and lower part is arranged inside cast-in-place concrete, top It is arranged inside the hollow hole of the precast concrete hollow wall panel (8) with edge member, edge member Reinforcement The top of bottom joint bar (12) is connect by straight thread connecting sleeve (13) with edge member Reinforcement (14);It is described straight The inner wall of threaded coupling sleeve (13) is provided with straight thread;The edge member Reinforcement (14) is arranged with edge Inside the hollow hole of the precast concrete hollow wall panel (8) of component.
2. the method for construction of the assembly concrete shear wall based on multipurpose thin-wall steel tube, it is characterized in that:Include the following steps, And following steps sequentially carry out,
Step 1: preparing hollow wall plank of concrete
Precast concrete hollow wall panel (1) is prepared, dressing table mould arranges shear wall horizontal distribution according to design requirement on platform mould Reinforcing bar (3) two or more is inserted into thin-wall steel tube (2), branch side form, fixed thin-wall steel tube (2), banding fixed shear wall horizontal distribution Reinforcing bar (3), arrangement preheating embedding line, electrical junction box, attaching nut and suspension hook after-pouring concrete, reaches through curing strength The rear codings of C20 or more are simultaneously piled up spare;
The precast concrete hollow wall panel (8) with edge member is prepared, dressing table mould is arranged according to design requirement on platform mould Shear wall horizontal distribution reinforcing bar (3), edge member stirrup (9), edge member lacing wire (10), edge member longitudinal structure reinforcing bar (11) each two or more, thin-wall steel tube (2), branch side form, fixed thin-wall steel tube (2), banding fixed shear wall horizontal distribution are inserted into Reinforcing bar (3), edge member stirrup (9), edge member lacing wire (10), edge member longitudinal structure reinforcing bar (11) arrange built-in pipe Line, electrical junction box, attaching nut and suspension hook after-pouring concrete coding and are piled up after curing strength reaches C20 or more It is spare;
Step 2: preparing connection reinforcing bar
Prepare vertical distribution bottom joint bar (4);
It prepares and is vertically distributed connection reinforcing bar (5), vertical distribution connects reinforcing bar (5) as closed rectangular, and rectangle short side outer profile ruler The very little internal diameter size than thin-wall steel tube (2) is small 3mm~5mm;Long spacer bar (6) is arranged in vertical distribution connection reinforcing bar (5) Rectangle long side joint side, side item are welded in the outside of vertical distribution connection reinforcing bar (5), play the vertical distribution connection reinforcing bar of closure (5) effect;It is corresponding another that short spacer bar (7) is arranged in the long spacer bar (6) that vertical distribution connection reinforcing bar (5) is welded Side, side item are welded in the outside of vertical distribution connection reinforcing bar (5);
Step 3: the arrangement first floor connects reinforcing bar
The initial assembly end position of assembly concrete shear wall is got rid of or from basic China and foreign countries from the cast-in-place concrete shear wall of bottom It is placed in the first floor and connects reinforcing bar, including be vertically distributed the bottom joint bar (12) of bottom joint bar (4) and edge member Reinforcement, The outer reinforcing bar length got rid of upwards is reserved according to design requirement;
Step 4: installation hollow wall plank of concrete
Precast concrete hollow wall panel (1), the vertical hollow hole for being distributed bottom joint bar (4) and being inserted into hollow wall plank of concrete are installed In;
Precast concrete hollow wall panel (8) of the installation with edge member, first by edge member Reinforcement (14) and side The bottom joint bar (12) of edge component Reinforcement is inserted into after being connected by straight thread connecting sleeve (13) and carries edge member Precast concrete hollow wall panel (8) hollow hole in, then fall again installation with edge member precast concrete it is hollow Wallboard (8);
The bottom of the plate leg support sky hollow wall plank of concrete of hollow wall plank of concrete, prevention concrete hollow wall is fixed by bearing diagonal After plate, closed in its lateral bolster molding;
Step 5: the vertical distribution connection reinforcing bar (5) of arrangement
After the template or superimposed sheet bottom plate of building cover board install, it will vertically be distributed connection reinforcing bar (5) from above and be inserted into prefabricated mix In the hollow hole of solidifying soil hollow wall panel (1) so that long spacer bar (6) and short spacer bar (7) are against the top on the outside of hollow hole End, and make the plane for being vertically distributed connection reinforcing bar (5) perpendicular to shearing face of wall;
Step 6: pouring cast-in-place concrete (16)
After other all reinforcing bar bindings and shuttering supporting, poured into the hollow hole of hollow wall plank of concrete cast-in-place mixed Solidifying soil (16), cast-in-place concrete (16) are filled in the gap of hollow hole and hollow wall panel bottom, and cast-in-place concrete (16) is through maintenance After reaching design strength, assembly concrete shear wall of the first floor based on multipurpose thin-wall steel tube, which is built, to be completed;
Step 7: the installation each layer concrete hollow wall panel in top
Precast concrete hollow wall panel (1) is installed, vertical distribution connection reinforcing bar (5) is inserted into precast concrete hollow wall panel (1) In hollow hole;
Precast concrete hollow wall panel (8) of the installation with edge member, first by the edge member Reinforcement of this layer (14) and next layer edge member Reinforcement (14) by straight thread connecting sleeve (13) connect after be inserted into carry side In the hollow hole of the precast concrete hollow wall panel (8) of edge component, then fall concrete of the installation with edge member again Native hollow wall panel (8);
The bottom of the plate leg support sky hollow wall plank of concrete of hollow wall plank of concrete, prevention concrete hollow wall is fixed by bearing diagonal After plate, closed in its lateral bolster molding;
Step 5~step 7 is repeated, until laying the vertical distribution connection reinforcing bar (5) of top layer, the vertical distribution of top layer connects steel Muscle (5) only anchors into concrete slab, repeats step 6, top layer cast-in-place concrete (16) is poured completion.
CN201810460366.5A 2018-05-15 2018-05-15 Assembly type concrete shear wall based on multipurpose thin-wall steel pipe and construction method thereof Active CN108678218B (en)

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CN112962814A (en) * 2021-02-05 2021-06-15 方圆建设集团有限公司 Novel steel pipe heat-insulation composite hollow wall and production process thereof

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CN107165185A (en) * 2017-06-02 2017-09-15 中国建筑股份有限公司 The assembly concrete foot joint and its construction method of a kind of encased steel plate
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CN112962814A (en) * 2021-02-05 2021-06-15 方圆建设集团有限公司 Novel steel pipe heat-insulation composite hollow wall and production process thereof

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