CN107620400B

CN107620400B - Assembled concrete variable-section T-shaped shear wall component and construction method thereof

Info

Publication number: CN107620400B
Application number: CN201711081130.2A
Authority: CN
Inventors: 姚芳辉; 姚伟华; 宋杨
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-11-07
Filing date: 2017-11-07
Publication date: 2023-04-18
Anticipated expiration: 2037-11-07
Also published as: CN107620400A

Abstract

The present invention belongs to the field of building material and building construction technology. The T-shaped shear wall component comprises an X-direction wall limb (11) and a Y-direction wall limb (12) which are mutually wing walls, and is divided into a component upper section (1A) and a component lower section (1B) formed by reducing the variable cross section, and the component upper section and the component lower section are a whole formed by pouring concrete; through the variable cross section, the steel bar joints (1C) of the vertical steel bars (101) on the two sides of the lower section (1B) of the member and the vertical steel bars (1051) of the edge member are exposed, and the problem that the vertical steel bars (101) of the T-shaped shear wall member and the vertical steel bars (1051) of the edge member are not firmly connected is conveniently solved by adopting a welding connection method; through setting up special vertical pore (104) of cast in situ concrete (32), make cast in situ concrete (32) pour easily and vibrate closely knit, avoid quality defect.

Description

Assembled concrete variable-section T-shaped shear wall component and construction method thereof

Technical Field

The invention belongs to the technical field of building materials and building construction, relates to a shear wall component for a building structure, and particularly relates to an assembled concrete variable cross-section T-shaped shear wall component, and a manufacturing mold and a construction method thereof.

Background

The assembly building is that the same kind of prefabricated component or different kinds of prefabricated components are connected, because the reinforced concrete shear wall is poured by concrete and reinforcing bar and becomes an organic whole, must solve the connection problem of the vertical reinforcing bar of shear wall, especially the connection problem of the vertical reinforcing bar of shear wall bottom, the connection of prefabricated assembled reinforced concrete variable cross section T type shear wall component bottom vertical reinforcing bar adopts the sleeve grouting method at present, has many problems, for example: the sleeve grouting construction process has high technical requirements, more artificial factors exist in the construction, the connection quality of the vertical steel bars is difficult to check and detect, and the construction quality is difficult to control; the shear wall has more vertical steel bars, and each vertical steel bar is connected with one sleeve, so that the sleeves are too dense to be used for pouring concrete, and the pouring quality is difficult to ensure; the sleeve is high in material and production and processing requirements, and high in manufacturing cost, so that cost is not saved; the connection of the sleeve and the vertical steel bars of the lower-layer shear wall is difficult, so that the assembly type shear wall structure is difficult to popularize.

The invention discloses a CN201410088737.3 prefabricated through hole assembly type reinforced concrete shear wall and a construction method thereof, wherein a plurality of vertical through holes are arranged in the wall, a plurality of movably connected vertical steel bars are respectively arranged in each through hole, the upper ends of the vertical steel bars are higher than the wall, the lower ends of the vertical steel bars are connected with steel bars of a shear wall at the lower layer, and support legs are arranged at the bottom end of the wall. The vertical steel bars are movably connected in the through holes of the shear walls, and when the steel bars of the upper and lower layers of shear walls are connected, the joint positions are adjustable along the vertical direction, so that the adjacent vertical steel bar joint positions can be conveniently guaranteed to be staggered. Although the invention solves the construction and construction method of a certain single shear wall, the invention has the following defects: firstly, the joints of a large number of cast-in-place horizontal steel bars on site are difficult to stagger, and the horizontal steel bars of the shear wall also have the requirement of joint staggering; the reinforcing steel bars in the through holes are not bound with the vertical reinforcing steel bars and the horizontal reinforcing steel bars on the two sides of the shear wall, the reinforcing steel bars in each through hole are independent and are not connected with the reinforcing steel bars in the adjacent through holes, and a reinforcing steel bar framework is not bound; thirdly, the steel bars in the through holes influence the pouring and vibration of the concrete. Therefore, the problems of structural design and construction of the prefabricated reinforced concrete variable cross-section T-shaped shear wall component are not fundamentally solved.

Disclosure of Invention

In order to overcome the defects of the prior art, aiming at the problems that a large number of cast-in-place horizontal steel bar joints of the conventional assembled concrete variable cross-section T-shaped shear wall component are difficult to stagger, the vertical steel bar connection is infirm, the operation is inconvenient, the quality is difficult to ensure, and a steel bar of the T-shaped shear wall component does not form a steel bar framework, the invention has the first aim of providing the assembled concrete variable cross-section T-shaped shear wall component, and by improving the structural design of the assembled concrete variable cross-section T-shaped shear wall component, the cross section of the assembled reinforced concrete variable cross-section T-shaped shear wall component is changed, the vertical steel bars extending out from the lower part of the upper section of the component on two sides of the lower section of the component and the steel bar joints of the vertical steel bars of the edge component are exposed, and the traditional simpler and more convenient steel bar welding connection method is adopted to solve the connection problem of the vertical steel bars of the T-shaped shear wall component and the edge component; the method for integrally prefabricating the assembly type concrete variable cross-section T-shaped shear wall component solves the problems of connection of horizontal steel bars and failure of interconnection of various steel bars to form a steel bar framework; a method of reserving a special vertical pore channel for cast-in-place concrete is adopted to ensure that the concrete is tightly poured and vibrated during field installation; the second purpose of the invention is to provide a manufacturing mould of the assembled concrete variable cross-section T-shaped shear wall component; the third purpose of the invention is to provide a construction method of the assembled concrete variable cross-section T-shaped shear wall component, which solves the problems of the use of a mold for manufacturing the assembled reinforced concrete variable cross-section T-shaped shear wall component and the manufacturing and installation methods of the T-shaped shear wall component.

In order to realize the first purpose, the invention adopts the technical scheme that: an assembled concrete variable cross-section T-shaped shear wall component comprises an X-direction wall limb and a Y-direction wall limb, wherein the X-direction wall limb and the Y-direction wall limb are wing walls, and the T-shaped shear wall component is divided into a component upper section and a component lower section formed by reducing a variable cross section and is a whole formed by pouring concrete; vertical steel bars, horizontal steel bars and tie steel bars are embedded in the upper section of the component; edge members are arranged at the outer ends and the crossing parts of the X-direction wall limbs and the Y-direction wall limbs, vertical steel bars in the edge members are reinforced into vertical steel bars of the edge members, and stirrups are arranged; the vertical steel bars and the edge member vertical steel bars extend out of the top of the T-shaped shear wall member, and the horizontal steel bars extend to the outer end of the edge member; the vertical steel bars or the edge components are bound together with the horizontal steel bars and are tied through tie steel bars; the method is characterized in that: the thickness of the lower section of the component is uniformly reduced from two sides relative to the upper section of the component to form a lower section X of the component towards the wall core, a lower section Y of the component towards the wall core, and vertical steel bars, edge component vertical steel bars and stirrups, which extend out of the lower part of the upper section of the component from two sides of the lower section of the component, are exposed.

Furthermore, the outer sides of the top ends of the X-direction wall limbs and the Y-direction wall limbs are recessed to form an L-shaped connecting beam support for mounting a connecting beam or a frame beam. Wherein, two outer sides of the top end of the Y-direction wall limb are both concave downwards to form an L-shaped connecting beam support; and the horizontal steel bars facing the L-shaped connecting beam support extend out towards the L-shaped connecting beam support.

Furthermore, the distances between the steel bar joints of the vertical steel bars on the two sides of the lower section of the member and the vertical steel bars of the edge member and the plane at the bottom of the T-shaped shear wall member are h more than or equal to 500mm and h +35d in turn.

Furthermore, the vertical steel bars and the vertical steel bars of the edge components extend out of the top end parts of the T-shaped shear wall components, and the heights of the vertical steel bars and the vertical steel bars of the edge components are staggered in sequence. The vertical steel bars and the edge member vertical steel bars extend out of the top end of the T-shaped shear wall member, and are welded or overlapped with the steel bar joints of the vertical steel bars of the lower section of the upper layer T-shaped shear wall member and the vertical steel bars of the edge member in a one-to-one correspondence manner, and are integrally cast with the upper layer T-shaped shear wall member, the connecting beam or the frame beam and the floor slab.

Furthermore, a plurality of vertical pore channels are uniformly arranged in the vertical direction in the center of the upper section of the component, the width of each vertical pore channel is smaller than the thickness of the upper section of the component and larger than the thickness of the lower section of the component, the vertical pore channels extend towards the direction of the lower section of the component through the variable cross section, and gaps with certain heights are formed in the lower section X of the component towards the wall core and the lower section Y of the component towards the wall core respectively.

Furthermore, the cross section of the vertical pore channel is rectangular or circular, and an opening is formed in the top end of the upper section of the component, so that concrete of the lower section of the component can be poured and vibrated during subsequent field installation and construction.

Furthermore, vertical constructional steel bars are arranged on the two inner sides of the X-direction wall core and the Y-direction wall core of the lower section of the member, and the vertical constructional steel bars are used for preventing the lower section of the shear wall from cracking, and preventing bending, tensile and compression in the carrying and hoisting processes.

On the basis, in order to realize the second purpose, the invention adopts the technical scheme that: the utility model provides a preparation mould of assembled concrete variable cross section T type shear force wall component, includes X to wall limb mould, Y to wall limb mould, its characterized in that: the mould also comprises a template inclined support, a buttress and a Y-direction wall limb inclined support; the X-direction wall limb mould comprises an X-direction wall limbThe method comprises the following steps of (1) making a platform, an X-direction wall limb side template, an X-direction wall limb top end template, a lower X-direction wall core surface template of a component, an X-direction wall limb variable cross-section baffle, an X-direction wall limb bottom end template, an X-direction wall limb L-shaped connecting beam support template and a vertical pore channel mold; the Y-direction wall limb mold comprises a Y-direction wall limb manufacturing platform, a Y-direction wall limb side mold plate, a Y-direction wall limb top end mold plate, a component lower section Y-direction wall core surface mold plate, a Y-direction wall limb variable cross-section baffle, a Y-direction wall limb bottom end mold plate and a Y-direction wall limb L-shaped coupling beam support mold plate

Y-direction wall limb L-shaped connecting beam support template>

And a vertical duct mold.

The X-direction wall limb side template is 1 and is used for shaping the outer side end of an X-direction wall limb; the Y-direction wall limb side template is composed of two identical plates which are bilaterally symmetrical and used for shaping two outer side ends of a Y-direction wall limb.

The formwork diagonal bracing and the buttress are used in a matched mode and used for supporting an X-direction wall limb side formwork, a Y-direction wall limb side formwork, an X-direction wall limb top end formwork, a Y-direction wall limb top end formwork, an X-direction wall limb bottom end formwork and a Y-direction wall limb bottom end formwork.

The X-direction wall limb manufacturing platform, the X-direction wall limb L-shaped coupling beam support template, the X-direction wall limb side template, the X-direction wall limb top end template, the component lower section X-direction wall core surface template, the X-direction wall limb variable cross-section baffle, the X-direction wall limb bottom end template and the vertical pore passage template jointly enclose a space for forming a part of pouring concrete into the X-direction wall limb, and are supported and fixed through template inclined supports and buttresses.

The Y-direction wall limb manufacturing platform, the Y-direction wall limb L-shaped coupling beam support template I, Y, the Y-direction wall limb L-shaped coupling beam support template II, the Y-direction wall limb side template, the Y-direction wall limb top end template, the lower section Y-direction wall core surface template of the component, the Y-direction wall limb variable cross-section baffle, the Y-direction wall limb bottom end template and the vertical pore channel template jointly enclose a space for pouring concrete into the Y-direction wall limb, and are supported and fixed through template inclined supports and support piers.

The shapes and the sizes of the X-direction wall limb side template and the Y-direction wall limb side template are respectively consistent with the outer end faces of the X-direction wall limb and the Y-direction wall limb.

The X-direction wall limb top end template, the Y-direction wall limb top end template, the X-direction wall limb variable cross-section baffle and the Y-direction wall limb variable cross-section baffle are correspondingly provided with grooves for embedding and extending out of vertical steel bars and edge member vertical steel bars.

The X-direction wall limb L-shaped connecting beam support template and the Y-direction wall limb L-shaped connecting beam support template I, Y correspond to the wall limb L-shaped connecting beam support template II and are provided with grooves for embedding and extending vertical steel bars, edge member vertical steel bars and horizontal steel bars.

The lower section X-direction wall core surface template and the lower section Y-direction wall core surface template of the component are correspondingly provided with grooves for embedding vertical steel bars, edge component vertical steel bars, stirrups and vertical pore channel molds.

The X-direction wall limb top end template is aligned and compressed with the vertical pore passage mould and the X-direction wall limb L-shaped connecting beam support template top end; the bottom end of the X-direction wall limb L-shaped connecting beam support template is aligned with and tightly pressed against the vertical pore passage mold and the top end of the X-direction wall limb side template; the top end template of the Y-direction wall limb is aligned and compressed with the vertical pore passage mold and the top end of the Y-direction wall limb L-shaped connecting beam support template I, Y towards the wall limb L-shaped connecting beam support template II; the bottom end of the Y-direction wall limb L-shaped connecting beam support template I, Y is aligned and pressed with the vertical pore passage mould and the top end of the Y-direction wall limb side template II; the X-direction wall limb variable cross-section baffle is aligned with the top end of the lower section X-direction wall core surface template of the member; the Y-direction wall limb variable cross-section baffle is aligned with the top end of the lower Y-direction wall core surface template of the member; the bottom end of the X-direction wall limb template is aligned and compressed with the bottom ends of the X-direction wall limb side template and the lower X-direction wall core surface template of the component; and the bottom end template of the Y-direction wall limb, the Y-direction wall limb side template and the bottom end of the lower Y-direction wall core surface template of the component are aligned and compressed.

The top end face of the lower section X-direction wall core surface template of the member and the X-direction wall limb variable-section baffle are spliced together to form a hollow X-direction wall limb variable-section shaping mold, wherein the planar shape of a hollow part is the same as the cross section of the lower section X-direction wall core of the member; the top end face of the Y-direction wall core surface template of the lower section of the member and the Y-direction wall limb variable-section baffle are spliced together to form a hollow Y-direction wall limb variable-section shaping mold, wherein the planar shape of a hollow part is the same as the cross section of the Y-direction wall core of the lower section of the member.

Furthermore, a movable rotating mechanism with a clamping device is arranged below the Y-direction wall limb manufacturing platform, after the Y-direction wall limb pouring process is completed and the mold is taken off, the Y-direction wall limb is fixed through the clamping device and moved to a maintenance process, when the strength meets the requirement, the Y-direction wall limb pouring process is moved to the X-direction wall limb pouring process, the Y-direction wall limb is rotated 90 degrees along the X-direction wall limb direction, the X-direction wall limb to be poured is in a horizontal state, and a relevant manufacturing mold of the X-direction wall limb is further erected to complete the prefabrication of the X-direction wall limb.

And further, after the prefabricated Y-direction wall limb rotates by 90 degrees along the X-direction wall limb direction, the Y-direction wall limb is obliquely supported and fixed.

Further, when the concrete filling part of the X-direction wall limb mould is communicated with the vertical hole channel of the Y-direction wall limb, a vertical hole channel plugging template is arranged and installed at the vertical hole channel.

Further, the vertical pore channel mould is a steel pipe. The steel pipe is used as the vertical pore channel mould, so that the vertical pore channel mould is more favorable for the moulding of the vertical pore channel and the extraction of the vertical pore channel mould in the prefabrication process.

When the concrete pouring mould is used, vertical steel bars, edge member vertical steel bars, a vertical pore passage mould, horizontal steel bars, tie steel bars, vertical structural steel bars and stirrups need to be arranged in a T-shaped shear wall member moulding space formed by the moulds together, and then concrete is poured integrally. The operation process is that firstly, the Y-direction wall limb is manufactured, and then the X-direction wall limb is manufactured.

On the basis, in order to realize the third purpose, the invention adopts the technical scheme that: a construction method of an assembled concrete variable cross-section T-shaped shear wall component comprises a manufacturing and installing method of the assembled concrete variable cross-section T-shaped shear wall component, and the method comprises the following steps:

s01, manufacturing a Y-direction wall limb: firstly, manufacturing Y-direction wall limbs of an assembled concrete variable cross-section T-shaped shear wall component, manufacturing a platform springing control line on the flat Y-direction wall limbs, mounting a lower Y-direction wall core surface template of the component, and mounting and firmly binding vertical steel bars and stirrups of edge components of the edge components; installing and binding the vertical steel bars and the horizontal steel bars of the lower layer in the Y-direction wall limb mould, and erectingThe vertical steel bars and stirrups of the edge members are embedded into the grooves of the Y-direction wall core surface template at the lower sections of the members; installing a Y-direction wall limb side template, a Y-direction wall limb top template and a Y-direction wall limb bottom template, embedding vertical steel bars on the upper layer in the Y-direction wall limb mould into a groove corresponding to the Y-direction wall limb top template, and installing a Y-direction wall limb L-shaped coupling beam support template

Y-direction wall limb L-shaped connecting beam support template>

Embedding vertical steel bars or vertical steel bars and horizontal steel bars of edge components, installing a formwork inclined support at the outer side of the formwork, and fixing by using a buttress; filling and leveling gaps of the grooves by using fine sand, and installing a vertical pore channel mold; installing a variable cross-section baffle of the Y-direction wall limb and embedding vertical steel bars; installing horizontal steel bars of the X-direction wall limbs vertical to the horizontal steel bars; installing vertical reinforcing steel bars and horizontal reinforcing steel bars on the upper layer in the Y-direction wall limb mould, embedding the vertical reinforcing steel bars and the horizontal reinforcing steel bars into the top end template of the Y-direction wall limb and the groove of the Y-direction wall limb variable cross-section baffle, and inserting and binding tie reinforcing steel bars; the lower section of the mounting component is provided with a vertical construction steel bar of the Y-direction wall core; and pouring concrete in the Y-direction wall limb mould, and vibrating and compacting by using a vibrating rod.

S02, preparing for removing the formwork of the Y-direction wall limb and manufacturing the X-direction wall limb: and (3) when the manufactured Y-direction wall limb meets the form removal condition, removing the template, drawing out the vertical pore channel mould, fixing the cured Y-direction wall limb, rotating by 90 degrees to ensure that the cured Y-direction wall limb is kept vertical and fixed, and keeping the Y-direction wall limb to be manufactured horizontal.

S03, manufacturing an X-direction wall limb: a control line is sprung on a flat X-direction wall limb manufacturing platform, and a lower X-direction wall core surface template of the component is installed; the vertical steel bars and the stirrups of the edge components are installed and firmly bound; installing and binding vertical steel bars and horizontal steel bars at the lower layer in the X-direction wall limb mould, and embedding the vertical steel bars, the edge member vertical steel bars and the stirrups into the grooves of the lower section X-direction wall core surface template of the member; installing an X-direction wall limb side template, an X-direction wall limb top end template and an X-direction wall limb bottom end template, embedding vertical steel bars on the upper layer in the X-direction wall limb mould into corresponding grooves of the X-direction wall limb top end template, installing an X-direction wall limb L-shaped connecting beam support template, embedding vertical steel bars or edge member vertical steel bars and horizontal steel bars, installing template inclined supports on the outer sides of the templates, and fixing the templates by using supporting piers; filling gaps of the grooves with fine sand, and installing a vertical pore channel mold; installing an X-direction wall limb variable cross-section baffle and embedding vertical steel bars; installing vertical reinforcing steel bars and horizontal reinforcing steel bars on the upper layer in the X-direction wall limb mould, embedding the vertical reinforcing steel bars and the horizontal reinforcing steel bars into the X-direction wall limb top end template and the grooves of the X-direction wall limb variable cross-section baffles, and inserting and binding tie reinforcing steel bars; the lower section of the installation component is provided with a vertical construction steel bar of the wall core in the X direction; and pouring concrete in the X-direction wall limb mould, and vibrating and compacting by using a vibrating rod.

S04, removing the formwork from the wall limb in the X direction: and (3) removing the formwork when the manufactured X-direction wall limb meets the formwork removing condition, drawing out the vertical pore passage mould, maintaining, turning and righting after the design strength is reached, and performing finished product protection after acceptance check to be installed.

S05, mounting a T-shaped shear wall component: and (3) well bouncing a positioning axis on the ground base layer of the engineering site, and hoisting the T-shaped shear wall component to a specified position, so that the steel bar joints of the vertical steel bars extending out of the ground base layer and the vertical steel bars of the edge component, the vertical steel bars of the lower section of the T-shaped shear wall component and the steel bar joints of the vertical steel bars of the edge component are in one-to-one correspondence and fixed, and the displacement and inclination of the T-shaped shear wall component are prevented.

S06, connecting steel bars: and (5) welding or lapping the steel bar joints of the vertical steel bars and the edge member vertical steel bars which correspond to each other in the step (S05), and installing and binding the horizontal steel bars and the tie steel bars of the lower sections of the members.

S07, pouring cast-in-place concrete: and supporting cast-in-place templates at two sides of the lower section of the component and fixing the cast-in-place templates by using cast-in-place template inclined supports, and pouring cast-in-place concrete to the lower section of the component through the vertical pore channel after the inspection and acceptance of hidden engineering are qualified, and vibrating and compacting.

S08, completing installation: and removing the mold and maintaining when the mold removing condition is met.

Further, in step S01, the vertical reinforcing bars, the edge member vertical reinforcing bars, the horizontal reinforcing bars, the tie reinforcing bars, and the stirrups, which are exposed to the lower section of the Y-direction wall, are sheathed with a sheath to prevent the cement paste from contaminating the reinforcing bars.

Further, in step S01, the horizontal rebars of the Y-directional wall limbs should be extended up to the end of the edge member.

Further, in step S02, the mold removal sequence is: disconnecting the buttress and the formwork diagonal bracing, taking out the Y-direction wall limb variable cross-section baffle, removing the Y-direction wall limb side formwork, removing the Y-direction wall limb bottom formwork, taking out the Y-direction wall limb top formwork, and taking out the Y-direction wall limb L-shaped coupling beam support formwork

Y-direction wall limb L-shaped connecting beam support template>

And drawing out the vertical pore channel mould, rotating by 90 degrees to erect the cured Y-direction wall limb, and then removing the lower section Y-direction wall core surface template of the component.

Further, in step S03, the vertical reinforcing bars, the edge member vertical reinforcing bars, the horizontal reinforcing bars, the tie reinforcing bars, and the stirrups exposed to the lower section of the wall limb X are sheathed with a sheath to prevent the cement paste from contaminating the reinforcing bars.

Further, in step S03, the horizontal rebars of the X-direction wall limb should extend all the way to the edge member end.

Further, in step S04, the mold removal sequence is: and (3) disconnecting the buttress and the template inclined support, taking out the X-direction wall limb variable cross-section baffle, removing the X-direction wall limb side template, removing the X-direction wall limb bottom template, taking out the X-direction wall limb top template, taking out the X-direction wall limb L-shaped connecting beam support template, drawing out the vertical pore channel mold, and removing the lower section X-direction wall core surface template after turning over and righting.

Further, in step S03, when the concrete filling portion of the X-direction wall limb mold is communicated with the vertical hole of the Y-direction wall limb, a vertical hole plugging template is installed at the vertical hole.

Further, in step S05, before the T-shaped shear wall member is hoisted to the designated position, a layer of cement mortar should be laid on the ground base.

The invention has the beneficial effects.

1. In order to solve the problems that the vertical steel bar sleeves of prefabricated reinforced concrete T-shaped shear wall components are not firmly connected and the quality is difficult to control, the invention adopts a variable cross section method, and the vertical steel bars extending out of the lower parts of the components from the lower parts of the upper parts of the components and the steel bar joints of the vertical steel bars of the edge components on the two sides of the lower parts of the components are exposed, and a simpler, more convenient and more effective steel bar welding connection method is adopted to solve the connection problem of the vertical steel bars of the T-shaped shear wall components and the vertical steel of the edge components. The positions of the vertical steel bars on the two sides of the lower section of the member and the positions of the steel bar joints of the vertical steel bars of the edge member are sequentially staggered alternately by a distance h of more than or equal to 500mm and a distance h +35d, so that the specification requirements are met; the steel bar joints of the vertical steel bars of the T-shaped shear wall component and the vertical steel bars of the edge component are exposed, so that the welding operation is facilitated; the prefabricated assembly type concrete variable cross-section T-shaped shear wall component is installed on the structural base layer and then is welded, and the prefabricated assembly type concrete variable cross-section T-shaped shear wall component is stable in support and does not need to be overhead.

2. The reinforced concrete shear wall consists of shear wall components and reinforced concrete coupling beams, and the shear wall structure has proper lateral rigidity according to the specification of No. 7.1.1 of technical Specification for concrete structures of high-rise buildings (JGJ 3-2010), and the arrangement of the shear wall structure conforms to the following specifications: … … door and window openings are preferably aligned vertically and arranged in rows to form well-defined wall limbs and connecting beams ". The T-shaped shear wall component consists of an X-direction wall limb and a Y-direction wall limb, wherein the X-direction wall limb and the Y-direction wall limb are wing walls of each other, the Y-direction wall limb is the wing wall of the X-direction wall limb when the X-direction wall limb is calculated, the X-direction wall limb is the wing wall of the Y-direction wall limb when the Y-direction wall limb is calculated, and the calculation width of the flange of the shear wall is specified in 9.4.3 of concrete structure design Specification (GB 50010-2010). The assembled concrete variable cross-section T-shaped shear wall member is one of shear wall members, is formed by hidden columns formed by X-direction wall limbs, Y-direction wall limbs and edge members, has a T-shaped cross section, can be processed and assembled into an I shape according to needs in practical application, and can also be directly manufactured into the I-shaped shear wall member according to the same principle of the invention. Correspondingly, based on the same invention principle, the manufacturing of the I-shaped shear wall component die and the manufacturing and mounting method of the shear wall component can be completed.

3. The invention adopts the method of integrally prefabricating the assembled concrete variable cross-section T-shaped shear wall member to solve the problems of connection of horizontal steel bars and the failure of interconnection of various steel bars to form a steel bar framework.

4. In order to facilitate the later installation of concrete of the lower section of the cast-in-place member, the invention adopts a method that special vertical pore channels for cast-in-place concrete are uniformly arranged in the vertical direction in the middle of the upper section of the member, and a gap with a certain height is formed at the lower section of the member. The position of the vertical pore channel avoids the tie bars, so that the vertical bars, the vertical bars of the edge members, the horizontal bars and the tie bars in the T-shaped shear wall member form a stable steel bar framework. After the lower section of the component is welded and bound with the lower section of the component, the cast-in-place concrete is easy to pour and compact in vibration after the lower section of the component supports the side template, so that quality defects are avoided, and the construction quality of the cast-in-place concrete is convenient to detect and accept.

5. The invention adopts a method of forming the L-shaped connecting beam support by adopting the concave way at the outer side of the top ends of the X-direction wall limb and the Y-direction wall limb, thereby facilitating the installation and connection of the connecting beam or the frame beam.

6. By adopting the manufacturing mold of the assembled concrete variable-section T-shaped shear wall member and the construction method of the assembled concrete variable-section T-shaped shear wall member provided by the embodiment 4 of the invention, the assembled concrete variable-section T-shaped shear wall member meeting the requirements can be conveniently manufactured and installed.

7. When the prefabricated reinforced concrete variable cross-section T-shaped shear wall component is installed, the concrete at the lower section of the component is filled in a cast-in-place concrete mode by erecting a cast-in-place template, so that the concrete is the same as the concrete at the upper section of the component, and finally the prefabricated reinforced concrete variable cross-section T-shaped shear wall component is restored to be the T-shaped shear wall component with the equal cross section, and the T-shaped shear wall component is ensured to have good strength and rigidity. Through setting up the special vertical pore of cast in situ concrete for the concrete is pour easily and is vibrated closely easily, and the shear force wall edges and corners of making is clear and level, and T type shear force wall component root concrete can not have the quality defect, and the wholeness is good, has really realized the prefabricated production, has very strong popularization and application and worth in present assembly type building.

Drawings

FIG. 1 is a schematic structural diagram of an assembled concrete variable cross-section T-shaped shear wall component provided in embodiment 1 of the invention;

FIG. 2 is a sectional view taken along line 1-1 of FIG. 1;

FIG. 3 is a sectional view taken along line 2-2 of FIG. 1;

fig. 4 is a schematic view of an assembly structure of a Y-direction wall column mold in a fabricated concrete variable cross-section T-shaped shear wall member manufacturing mold according to embodiment 2 of the present invention. For convenience of expression, only the steel bars at the bottom side of the die are listed in the drawing;

FIG. 5 is a cross-sectional view taken along line 3-3 of FIG. 4;

FIG. 6 is a cross-sectional view taken along line 4-4 of FIG. 4;

fig. 7 is a schematic view of an assembly structure of an X-direction wall limb mold in a mold for manufacturing an assembled concrete variable cross-section T-shaped shear wall member according to embodiment 2 of the present invention. For convenience of expression, only the steel bars at the bottom side of the mould are listed in the figure;

FIG. 8 is a cross-sectional view taken along line 5-5 of FIG. 7;

FIG. 9 is a cross-sectional view taken along line 6-6 of FIG. 7;

fig. 10 is a schematic view illustrating a state of welding vertical steel bars of a lower section of a member and vertical steel bars of an edge member in an implementation method of an assembled concrete variable cross-section T-shaped shear wall member according to embodiment 4 of the present invention;

fig. 11 is a cross-sectional view taken along line 7-7 in fig. 10 after concrete is cast in place in a method for implementing the fabricated concrete variable-section T-shaped shear wall member according to embodiment 4 of the invention.

Parts, positions and numbers in the drawings: 11-X directional wall limb, 111-member lower section X directional wall core, 12-Y directional wall limb, 121-member lower section Y directional wall core, 1A-member upper section, 1B-member lower section, 1C-steel bar joint, 1D-opening, 1E-gap, 101-vertical steel bar, 102-horizontal steel bar, 103-tie steel bar, 104-vertical pore canal, 105-edge member, 1051-edge member vertical steel bar, 1052-stirrup, 106-L shaped coupling beam support and 107-vertical constructional steel bar;

21-X directional wall limb mould, 211-X directional wall limb manufacturing platform, 212-X directional wall limb side mould plate, 213-X directional wall limb top end mould plate, 214-component lower section X directional wall core surface mould plate, 215-X directional wall limb variable cross section baffle, 216-X directional wall limb bottom end mould plate, 217-X directional wall limb L-shaped coupling beam support mould plate, 22-Y directional wall limb mould, 221-Y directional wall limb manufacturing platform, 222-Y directional wall limb side mould plate, 223-Y directional wall limb top end mould plate, 224-component lower section Y directional wall core surface mould plate, 225-Y directional wall limb variable cross section baffle, 226-Y directional wall limb bottom end mould plate, 227-Y directional wall limb L-shaped coupling beam support mould plate I and 228-Y directional wall limb L-shaped coupling beam support mould plate II; 23-template inclined support, 24-buttress, 25-Y-direction wall limb inclined support, 201-vertical channel mold, 202-groove, 203-rotating mechanism and 204-vertical channel plugging template;

31-ground base layer, 32-cast-in-place concrete, 33-fine sand, 34-cast-in-place template and 35-cast-in-place template inclined support.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the present invention is not limited thereto.

Example 1:

as shown in fig. 1-3, the fabricated concrete variable cross-section T-shaped shear wall component of the present invention comprises an X-direction wall limb 11, a Y-direction wall limb 12, wherein the X-direction wall limb 11 and the Y-direction wall limb 12 are wing walls, and the T-shaped shear wall component is divided into an upper component section 1A and a lower component section 1B formed by reducing the variable cross-section, and is an integral body formed by pouring concrete; vertical steel bars 101, horizontal steel bars 102 and tie steel bars 103 are embedded in the upper section 1A of the member, edge members 105 are arranged at the outer ends and the crossing parts of the X-direction wall limb 11 and the Y-direction wall limb 12, the vertical steel bars 101 in the edge members 105 are reinforced into edge member vertical steel bars 1051, and stirrups 1052 are installed; the vertical steel bars 101 and the edge member vertical steel bars 1051 extend out of the top of the T-shaped shear wall member, and the horizontal steel bars 102 extend to the outer end of the edge member 105; the vertical steel bars 101 and the edge member vertical steel bars 1051 extend out of the top end part of the T-shaped shear wall member, and the heights of the vertical steel bars 101 and the edge member vertical steel bars 1051 are staggered alternately in sequence; the vertical steel bars 101 or the edge member vertical steel bars 1051 and the horizontal steel bars 102 are bound together and are tied through tie steel bars 103; the thickness of the lower section 1B of the member is uniformly reduced from two sides to form the lower section X of the member to the wall core 111 and the lower section Y of the member to the wall core 121 relative to the upper section 1A of the member, and the vertical steel bars 101, the edge member vertical steel bars 1051 and the stirrups 1052, which extend out from the lower part of the upper section 1A of the member, are exposed from two sides of the lower section 1B of the member; the outer sides of the top ends of the X-direction wall limb 11 and the Y-direction wall limb 12 are recessed to form an L-shaped connecting beam support 106 for mounting a connecting beam or a frame beam, wherein the two outer sides of the top end of the Y-direction wall limb 12 are recessed to form the L-shaped connecting beam support 106, and the horizontal steel bars 102 facing the L-shaped connecting beam support 106 extend out towards the L-shaped connecting beam support 106; the distances between the vertical steel bars 101 on the two sides of the lower section 1B of the member and the steel bar joints 1C of the vertical steel bars 1051 of the edge member and the bottom plane of the T-shaped shear wall member are sequentially and alternately h is more than or equal to 500mm and h +35d, so that the vertical steel bars 101 extending out of the upper section 1A of the lower T-shaped shear wall member and the steel bar joints 1C of the vertical steel bars 1051 of the edge member are correspondingly welded or lapped one by one, and are integrally cast with the lower T-shaped shear wall member, the connecting beam or the frame beam and the floor slab; a plurality of vertical pore channels 104 are uniformly arranged along the vertical direction in the center of the upper section 1A of the component, the width of each vertical pore channel 104 is smaller than the thickness of the upper section 1A of the component and larger than the thickness of the lower section 1B of the component, the vertical pore channels extend towards the direction of the lower section 1B of the component through the variable cross section, gaps 1E with certain height are respectively formed in the lower section X of the component towards the wall core 111 and the lower section Y of the component towards the wall core 121, and the cross section of each vertical pore channel 104 is rectangular or circular; the vertical duct 104 is provided with an opening 1D at the top end of the upper section 1A of the member, so that concrete at the lower section 1B of the member can be poured and vibrated during subsequent field installation construction; vertical structural steel bars 107 are arranged on two inner sides of the lower section X of the member towards the wall core 111 and the lower section Y of the member towards the wall core 121, and the vertical structural steel bars are used for preventing the lower section of the shear wall from cracking and resisting bending, tension and compression in the transporting and hoisting processes.

Example 2:

as shown in fig. 4 to 9, a manufacturing mold for an assembled concrete variable cross-section T-shaped shear wall member according to manufacturing embodiment 1 of the present invention includes an X-direction wall limb mold 21, a Y-direction wall limb mold 22, a formwork diagonal support 23, a buttress 24, and a Y-direction wall limb diagonal support 25; the X-direction wall limb mould 21 comprises an X-direction wall limb manufacturing platform 211, an X-direction wall limb side mould plate 212, an X-direction wall limb top end mould plate 213, a component lower section X-direction wall core surface mould plate 214, an X-direction wall limb variable cross-section baffle plate 215, an X-direction wall limb bottom end mould plate 216, an X-direction wall limb L-shaped connecting beam support mould plate 217 and a vertical pore channel mould 201; the Y-direction wall limb mould 22 comprises a Y-direction wall limb manufacturing platform 221, a Y-direction wall limb side mould plate 222, a Y-direction wall limb top end mould plate 223, a component lower section Y-direction wall core surface mould plate 224, a Y-direction wall limb variable cross-section baffle 225, a Y-direction wall limb bottom end mould plate 226 and a Y-direction wallL-shaped connecting beam support template

227. A Y-direction wall limb L-shaped connecting beam support template II228 and a vertical pore passage mould 201; the X-direction wall limb side template 212 is 1 and is used for shaping the outer side end of the X-direction wall limb 11; the Y-direction wall limb sideform 222 is two identical plates that are bilaterally symmetric and used for shaping the two outboard ends of the Y-direction wall limb 12.

The formwork inclined supports 23 and the buttresses 24 are matched for use and used for supporting an X-direction wall limb side formwork 212, a Y-direction wall limb side formwork 222, an X-direction wall limb top end formwork 213, a Y-direction wall limb top end formwork 223, an X-direction wall limb bottom end formwork 216 and a Y-direction wall limb bottom end formwork 226; the X-direction wall limb manufacturing platform 211, the X-direction wall limb L-shaped connecting beam support template 217, the X-direction wall limb side template 212, the X-direction wall limb top end template 213, the component lower section X-direction wall core surface template 214, the X-direction wall limb variable cross-section baffle 215, the X-direction wall limb bottom end template 216 and the vertical pore channel mold 201 jointly enclose a space for pouring concrete in the X-direction wall limb 11, and are supported and fixed through the template inclined supports 23 and the buttresses 24; the Y-direction wall limb manufacturing platform 221, the Y-direction wall limb L-shaped coupling beam support template I227, the Y-direction wall limb L-shaped coupling beam support template II228, the Y-direction wall limb side template 222, the Y-direction wall limb top end template 223, the component lower section Y-direction wall core surface template 224, the Y-direction wall limb variable cross-section baffle 225, the Y-direction wall limb bottom end template 226 and the vertical pore channel mold 201 jointly enclose a space for pouring concrete part of the Y-direction wall limb 12, and are supported and fixed through the template inclined supports 23 and the support piers 24.

The shapes and the sizes of the X-direction wall limb side template 212 and the Y-direction wall limb side template 222 are respectively consistent with the outer end faces of the X-direction wall limb 11 and the Y-direction wall limb 12; the X-direction wall limb top end template 213, the Y-direction wall limb top end template 223, the X-direction wall limb variable cross-section baffle 215 and the Y-direction wall limb variable cross-section baffle 225 are correspondingly provided with grooves 202 for embedding the vertical steel bars 101 and the edge member vertical steel bars 1051; the X-direction wall limb L-shaped connecting beam support template 217, the Y-direction wall limb L-shaped connecting beam support template I227 and the Y-direction wall limb L-shaped connecting beam support template II228 are correspondingly provided with grooves 202 for embedding and extending out of the vertical steel bars 101, the edge member vertical steel bars 1051 and the horizontal steel bars 102; the lower section X of the member is provided with a groove 202 for embedding the vertical steel bar 101, the edge member vertical steel bar 1051, the stirrup 1052 and the vertical duct mold 201 correspondingly to the wall core surface formwork 214 and the lower section Y of the member is provided with a groove 202 for embedding the vertical steel bar 224, the edge member vertical steel bar 1051, the vertical duct mold 201 correspondingly.

The top end template 213 of the X-direction wall limb is aligned and pressed with the vertical pore channel mould 201 and the top end of the X-direction wall limb L-shaped connecting beam support template 217; the bottom end of the X-direction wall limb L-shaped connecting beam support template 217 is aligned with and tightly pressed against the vertical pore passage mold 201 and the top end of the X-direction wall limb side template 212; the top end template 223 of the Y-direction wall limb, the vertical pore passage mold 201 and the L-shaped connecting beam support template of the Y-direction wall limb

227. The top end of the Y-direction wall limb L-shaped connecting beam support template II228 is aligned and compressed; the Y-direction wall limb L-shaped coupling beam support template>

227. The bottom end of the Y-direction wall limb L-shaped coupling beam support template II228 is aligned with and tightly pressed against the vertical pore passage mold 201 and the top end of the Y-direction wall limb side template 222; the X-direction wall limb variable cross-section baffle 215 is aligned with the top end of the member lower section X-direction wall core surface template 214; the Y-direction wall limb variable cross-section baffle 225 is aligned with the top end of the lower Y-direction wall core surface template 224 of the member; the X-direction wall limb bottom end template 216 is aligned and pressed with the X-direction wall limb side template 212 and the bottom end of the component lower section X-direction wall core surface template 214; the bottom end formwork 226 of the Y-direction wall limb is aligned and pressed with the bottom ends of the Y-direction wall limb side formwork 222 and the lower Y-direction wall core surface formwork 224 of the component.

The top end surface of the lower X-direction wall core surface template 214 of the member and the X-direction wall limb variable-section baffle plate 215 are spliced together to form a hollow X-direction wall limb 11 variable-section shaping mold, wherein the plane shape of a hollow part is the same as the cross section of the lower X-direction wall core 111 of the member; the top end surface of the lower section Y-direction wall core surface template 224 of the member and the Y-direction wall limb variable-section baffle 225 are spliced together to form a hollow Y-direction wall limb 12 variable-section shaping mold, wherein the planar shape of a hollow part is the same as the cross section of the lower section Y-direction wall core 121 of the member.

The variable cross sections of the member upper section 1A and the member lower section 1B are realized by a member lower section X-direction wall core surface template 214, an X-direction wall limb variable cross section baffle 215, a member lower section Y-direction wall core surface template 224 and a Y-direction wall limb variable cross section baffle 225.

When the mould is used, the vertical steel bars 101, the edge member vertical steel bars 1051, the vertical pore channel mould 201, the horizontal steel bars 102, the tie steel bars 103, the vertical structural steel bars 107 and the stirrups 1052 need to be arranged in a T-shaped shear wall member moulding space formed by the moulds together, and then concrete is poured integrally. The operation process is that the Y-direction wall limb 12 is firstly manufactured, and then the X-direction wall limb 11 part is manufactured.

Example 3:

as shown in fig. 4 and 7, in a manufacturing mold of an assembled concrete variable cross-section T-shaped shear wall component according to manufacturing embodiment 1 of the present invention, on the basis of embodiment 2, a rotatable mechanism 203 with a clamping device is movably disposed below the Y-direction wall limb manufacturing platform 221, after the casting process of the Y-direction wall limb 12 is completed and the mold is taken off, the Y-direction wall limb 12 is fixed by the clamping device and moved to a maintenance process, and when the strength meets the requirement, the Y-direction wall limb is moved to the casting process of the X-direction wall limb 11, and the X-direction wall limb 11 is rotated by 90 degrees along the X-direction wall limb 11 direction, so that the to-be-cast X-direction wall limb 11 is in a horizontal state, and a manufacturing mold related to the X-direction wall limb 11 is further erected, when the concrete filling portion of the X-direction wall limb mold 21 is communicated with the vertical channel 104 of the Y-direction wall limb 12, a vertical channel plugging template 204 is disposed at the vertical channel 104, and prefabrication of the X-direction wall limb 11 is completed; after the prefabricated Y-direction wall limb 12 is rotated by 90 degrees along the direction of the X-direction wall limb 11, the Y-direction wall limb is obliquely supported by 25 for fixation.

Example 4:

on the basis of the embodiments 1 to 3, the construction method for manufacturing the fabricated concrete variable cross-section T-shaped shear wall member in the embodiment 1 comprises the manufacturing and installing method of the fabricated concrete variable cross-section T-shaped shear wall member, and the method comprises the following steps:

s01, manufacturing a Y-direction wall limb 12: as shown in fig. 4-6, the Y-direction wall limb 12 of the fabricated concrete variable cross-section T-shaped shear wall member is fabricated first, the control line is sprung up on the flat Y-direction wall limb fabrication platform 221, the lower section of the mounting member is a Y-direction wall core surface template 224, and the edge member vertical steel bars 1051 and stirrups 1052 of the edge member 105 are mounted and bound firmly; is installed and bandedThe vertical steel bars 101 and the horizontal steel bars 102 of the lower layer in the Y-direction wall limb mould 22 are embedded into the grooves 202 of the Y-direction wall core surface template 224 of the lower section of the member by the vertical steel bars 101, the edge member vertical steel bars 1051 and the stirrups 1052; installing a Y-direction wall limb side template 222, a Y-direction wall limb top end template 223 and a Y-direction wall limb bottom end template 226, embedding the vertical steel bars 101 on the upper layer in the Y-direction wall limb mould 22 into the corresponding grooves 202 of the Y-direction wall limb top end template 223, and installing a Y-direction wall limb L-shaped coupling beam support template

227. The Y-direction wall limb L-shaped coupling beam support template II228 is embedded into the vertical steel bars 101 or the edge member vertical steel bars 1051 and the horizontal steel bars 102, the template inclined supports 23 are arranged on the outer sides of the templates and are fixed by using the support piers 24; filling the gap of the groove 202 with fine sand 33, and installing a vertical duct mold 201; installing a variable cross-section baffle 225 of the Y-direction wall limb and embedding the vertical steel bars 101; horizontal steel bars 102 for installing the X-direction wall limbs 11 perpendicular to the horizontal steel bars; installing vertical steel bars 101 and horizontal steel bars 102 on the upper layer in the Y-direction wall limb mould 22, embedding the vertical steel bars and the horizontal steel bars into grooves 202 of top templates 223 and variable cross-section baffles 225 of the Y-direction wall limbs, and inserting and binding tie steel bars 103; the vertical constructional steel bar 107 of the Y-direction wall core 121 of the lower section of the installation member; sheathing vertical steel bars 101, edge member vertical steel bars 1051, horizontal steel bars 102, tie steel bars 103 and stirrups 1052 exposed at the lower sections of the Y-direction wall limbs 12 with sheaths to prevent cement paste from polluting the steel bars; pouring concrete in the Y-direction wall limb mould 22, and vibrating tightly by using a vibrating rod; in the process, care should be taken to extend the horizontal rebars 102 of the Y-direction wall limbs 12 all the way to the end of the edge member 105.

S02, removing the mold from the Y-direction wall limb 12 and preparing the X-direction wall limb 11: as shown in fig. 4-6, when the Y-direction wall limb 12 to be manufactured meets the form removal condition, the form is removed, the vertical duct mold 201 is drawn out, the cured Y-direction wall limb 12 is fixed, the cured Y-direction wall limb 12 is rotated by 90 degrees to be kept vertical and fixed, and the Y-direction wall limb 12 to be manufactured is kept horizontal; wherein, the mould removing sequence is as follows: disconnecting the buttress 24 and the template inclined support 23, taking out the Y-direction wall limb variable cross-section baffle 225, removing the Y-direction wall limb side template 222, removing the Y-direction wall limb bottom end template 226, taking out the Y-direction wall limb top end template 223, and taking outY-direction wall limb L-shaped coupling beam support template

227. The Y-direction wall limb L-shaped coupling beam support template II228 is drawn out of the vertical duct mold 201, and after the solidified Y-direction wall limb 12 is erected by rotating 90 degrees, the lower section Y-direction wall core surface template 224 of the component is removed.

S03, manufacturing an X-direction wall limb 11: as shown in fig. 7-9, a control line is sprung up on the flat X-direction wall limb fabrication platform 211, and a lower section X-direction wall core surface template 214 of the component is installed; installing and firmly binding the edge member vertical steel bars 1051 and stirrups 1052 of the edge member 105; installing and binding the vertical steel bars 101 and the horizontal steel bars 102 on the lower layer in the X-direction wall limb mould 21, and embedding the vertical steel bars 101, the edge member vertical steel bars 1051 and the stirrups 1052 into the grooves 202 of the X-direction wall core surface template 214 on the lower section of the member; installing an X-direction wall limb side template 212, an X-direction wall limb top end template 213 and an X-direction wall limb bottom end template 216, embedding vertical steel bars 101 on the upper layer in the X-direction wall limb mould 21 into corresponding grooves 202 of the X-direction wall limb top end template 213, installing an X-direction wall limb L-shaped connecting beam support template 217, embedding the vertical steel bars 101 or edge member vertical steel bars 1051 and horizontal steel bars 102, installing a template inclined support 23 on the outer side of the template, and fixing by using a support pier 24; filling the gap of the groove 202 with fine sand 33, and installing a vertical pore channel mold 201; installing an X-direction wall limb variable cross-section baffle 215 and embedding vertical steel bars 101; installing vertical steel bars 101 and horizontal steel bars 102 on the upper layer in the X-direction wall limb mould 21, embedding the vertical steel bars and the horizontal steel bars into grooves 202 of X-direction wall limb top end templates 213 and X-direction wall limb variable cross-section baffles 215, and inserting and binding tie steel bars 103; the vertical constructional steel bar 107 of the lower section X of the installation component to the wall core 111; sheathing vertical steel bars 101, edge member vertical steel bars 1051, horizontal steel bars 102, tie steel bars 103 and stirrups 1052 exposed from the lower section of the X-direction wall limb 11 with a sheath to prevent cement paste from polluting the steel bars; installing a vertical hole plugging template 204 when the vertical hole 104 of the Y-direction wall limb 12 communicated with the concrete filling part of the X-direction wall limb mould 21 is filled; pouring concrete in the X-direction wall limb mould 21, and vibrating tightly by using a vibrating spear; in the process, care should be taken to extend the horizontal rebars 102 of the X-direction wall limbs 11 all the way to the end of the edge member 105.

S04, removing the formwork from the wall limb in the X direction: as shown in fig. 7-9, when the X-direction wall limb 11 to be manufactured meets the form removal condition, removing the form, drawing out the vertical duct mold 201, maintaining, turning over and righting after reaching the design strength, and performing finished product protection after acceptance check; wherein, the mould removing sequence is as follows: the buttress 24 and the template inclined support 23 are unfastened, the X-direction wall limb variable cross-section baffle 215 is taken out, the X-direction wall limb side template 212 is taken out, the X-direction wall limb bottom end template 216 is taken out, the X-direction wall limb top end template 213 is taken out, the X-direction wall limb L-shaped connecting beam support template 217 is taken out, the vertical pore passage mold 201 is drawn out, and the lower section X-direction wall core surface template 214 of the component is taken out after the component is turned over and placed right.

S05, mounting of the T-shaped shear wall component: as shown in fig. 10 to 11, the ground base 31 is well positioned on the engineering site, a layer of cement mortar is laid, and the T-shaped shear wall member is hoisted to a specified position, so that the vertical steel bars 101 extending out of the ground base 31 and the steel bar joints 1C of the vertical steel bars 1051 of the edge members correspond to and are fixed to the vertical steel bars 101 of the lower section 1B of the T-shaped shear wall member and the steel bar joints 1C of the vertical steel bars 1051 of the edge members one by one, and displacement and inclination of the T-shaped shear wall member are prevented.

S06, connecting steel bars: as shown in fig. 10, the vertical rebars 101 and the rebar junctions 1C of the vertical rebars 1051 of the edge member, which correspond to each other in step S05, are welded or overlapped, and the horizontal rebars 102 and tie rebars 103 of the lower segment 1B of the member are installed and bound.

S07, pouring the cast-in-place concrete 32: as shown in fig. 11, cast-in-place formworks 34 are supported at two sides of the lower section 1B of the component and fixed by cast-in-place formwork inclined supports 35, and after the inspection and acceptance of hidden engineering are qualified, cast-in-place concrete 32 is poured into the lower section 1B of the component through vertical pore channels and is vibrated to be dense.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any technical solution that can be implemented in the scope of the claims covered by the present application, or any technical solution that can be made by the technical personnel skilled in the art by using the contents of the method disclosed in the above, is covered by the scope of the present invention.

Claims

1. An assembled concrete variable cross-section T-shaped shear wall component comprises an X-direction wall limb (11) and a Y-direction wall limb (12), wherein the X-direction wall limb (11) and the Y-direction wall limb (12) are wing walls, the T-shaped shear wall component is divided into a component upper section (1A) and a component lower section (1B) formed by variable cross-section reduction, and the component upper section and the component lower section are a whole formed by pouring concrete; vertical steel bars (101), horizontal steel bars (102) and tie steel bars (103) are embedded in the upper section (1A) of the component; edge members (105) are arranged at the outer ends and the crossing parts of the X-direction wall limb (11) and the Y-direction wall limb (12), vertical steel bars (101) in the edge members (105) are reinforced into edge member vertical steel bars (1051), and stirrups (1052) are installed; the vertical steel bars (101) and the edge member vertical steel bars (1051) extend out of the top of the T-shaped shear wall member, and the horizontal steel bars (102) extend to the outer end of the edge member (105); the vertical steel bars (101) or the edge member vertical steel bars (1051) and the horizontal steel bars (102) are bound together and are tied through tie steel bars (103); the method is characterized in that: the thickness of the lower section (1B) of the member is uniformly reduced from two sides relative to the upper section (1A) of the member to form a lower section X of the member to the wall core (111) and a lower section Y of the member to the wall core (121), and vertical steel bars (101), edge member vertical steel bars (1051) and stirrups (1052) extending from the lower part of the upper section (1A) of the member are exposed from two sides of the lower section (1B) of the member; the outer sides of the top ends of the X-direction wall limbs (11) and the Y-direction wall limbs (12) are concave downwards to form an L-shaped connecting beam support (106).

2. An assembled concrete variable cross-section T-shaped shear wall member as defined in claim 1, wherein: and the horizontal steel bar (102) opposite to the L-shaped connecting beam support (106) extends out towards the L-shaped connecting beam support (106).

3. An assembled concrete variable cross-section T-shaped shear wall member as defined in claim 1, wherein: the distances between the vertical steel bars (101) on the two sides of the lower section (1B) of the member and the steel bar joints (1C) of the vertical steel bars (1051) of the edge member and the bottom plane of the T-shaped shear wall member are h more than or equal to 500mm and h +35d alternately in sequence.

4. An assembled concrete variable cross-section T-shaped shear wall member as claimed in claim 1, wherein: the vertical steel bars (101) and the vertical steel bars (1051) of the edge components extend out of the top end parts of the T-shaped shear wall components and are staggered in sequence.

5. An assembled concrete variable cross-section T-shaped shear wall member as defined in claim 1, wherein: a plurality of vertical pore channels (104) are uniformly arranged in the vertical direction in the center of the upper member section (1A), the width of each vertical pore channel (104) is smaller than the thickness of the upper member section (1A) and larger than the thickness of the lower member section (1B), the vertical pore channels extend towards the lower member section (1B) through the variable cross section, and gaps (1E) with certain height are respectively formed in the lower member section X towards the wall core (111) and the lower member section Y towards the wall core (121); the cross section of the vertical pore passage (104) is rectangular or circular, and an opening (1D) is arranged at the top end of the upper section (1A) of the component.

6. An assembled concrete variable cross-section T-shaped shear wall member as claimed in claim 1, wherein: vertical structural steel bars (107) are arranged on the two inner sides of the X-direction wall core (111) and the Y-direction wall core (121) of the lower section of the member.

7. The utility model provides a preparation mould of assembled concrete variable cross section T type shear force wall component, includes X to wall limb mould (21), Y to wall limb mould (22), its characterized in that: the mould also comprises a template inclined support (23), a buttress (24) and a Y-direction wall limb inclined support (25); the X-direction wall limb mould (21) comprises an X-direction wall limb manufacturing platform (211), an X-direction wall limb side mould plate (212), an X-direction wall limb top end mould plate (213), a component lower section X-direction wall core surface mould plate (214), an X-direction wall limb variable cross-section baffle plate (215), an X-direction wall limb bottom end mould plate (216), an X-direction wall limb L-shaped connecting beam support mould plate (217) and a vertical pore channel mould (201); the Y-direction wall limb mold (22) comprises a Y-direction wall limb manufacturing platform (221), a Y-direction wall limb side mold plate (222), a Y-direction wall limb top end mold plate (223), a component lower section Y-direction wall core surface mold plate (224), a Y-direction wall limb variable cross-section baffle plate (225), a Y-direction wall limb bottom end mold plate (226), a Y-direction wall limb L-shaped connecting beam support mold plate (227), a Y-direction wall limb L-shaped connecting beam support mold plate II (228) and a vertical pore passage mold (201);

the X-direction wall limb side template (212) is 1 and is used for shaping the outer side end of the X-direction wall limb (11); the Y-direction wall limb side template (222) is two same plates which are symmetrical left and right and used for shaping two outer side ends of the Y-direction wall limb (12);

the formwork inclined support (23) and the buttress (24) are matched for use and used for supporting an X-direction wall limb side formwork (212), a Y-direction wall limb side formwork (222), an X-direction wall limb top end formwork (213), a Y-direction wall limb top end formwork (223), an X-direction wall limb bottom end formwork (216) and a Y-direction wall limb bottom end formwork (226);

the X-direction wall limb manufacturing platform (211), the X-direction wall limb L-shaped connecting beam support template (217), the X-direction wall limb side template (212), the X-direction wall limb top end template (213), the component lower section X-direction wall core surface template (214), the X-direction wall limb variable cross-section baffle (215), the X-direction wall limb bottom end template (216) and the vertical pore channel mold (201) jointly enclose a space for pouring concrete in the X-direction wall limb (11), and are supported and fixed through the template inclined supports (23) and the support piers (24);

the Y-direction wall limb manufacturing platform (221), the Y-direction wall limb L-shaped coupling beam support template I (227), the Y-direction wall limb L-shaped coupling beam support template II (228), the Y-direction wall limb side template (222), the Y-direction wall limb top end template (223), a component lower section Y-direction wall core surface template (224), a Y-direction wall limb variable cross-section baffle (225), a Y-direction wall limb bottom end template (226) and a vertical pore channel mold (201) jointly enclose a space for synthesizing a concrete pouring part of the Y-direction wall limb (12), and are supported and fixed through a template inclined support (23) and a support pier (24);

the shapes and the sizes of the X-direction wall limb side templates (212) and the Y-direction wall limb side templates (222) are respectively consistent with the outer end faces of the X-direction wall limb (11) and the Y-direction wall limb (12);

the X-direction wall limb top end template (213), the Y-direction wall limb top end template (223), the X-direction wall limb variable cross-section baffle (215) and the Y-direction wall limb variable cross-section baffle (225) are correspondingly provided with grooves (202) for embedding and extending of vertical steel bars (101) and edge member vertical steel bars (1051);

the X-direction wall limb L-shaped connecting beam support template (217), the Y-direction wall limb L-shaped connecting beam support template I (227) and the Y-direction wall limb L-shaped connecting beam support template II (228) are correspondingly provided with grooves (202) for embedding and extending vertical steel bars (101), edge member vertical steel bars (1051) and horizontal steel bars (102);

the lower section X of the member is provided with a groove (202) for embedding the vertical steel bar (101), the edge member vertical steel bar (1051), the stirrup (1052) and the vertical duct mold (201) into the wall core surface template (214) and the lower section Y of the member is provided with a groove (224) correspondingly;

the top end template (213) of the X-direction wall limb is aligned and pressed with the vertical pore passage mould (201) and the top end of the X-direction wall limb L-shaped connecting beam support template (217); the bottom end of the X-direction wall limb L-shaped connecting beam support template (217) is aligned with and tightly pressed against the top ends of the vertical pore passage mold (201) and the X-direction wall limb side template (212); the top end of the Y-direction wall limb top end template (223) is aligned and pressed with the top ends of the vertical pore passage mould (201), the Y-direction wall limb L-shaped connecting beam support template (227) and the Y-direction wall limb L-shaped connecting beam support template II (228); the bottom ends of the Y-direction wall limb L-shaped connecting beam support template (227) and the Y-direction wall limb L-shaped connecting beam support template II (228) are aligned with the top ends of the vertical pore passage mould (201) and the Y-direction wall limb side template (222) to be compressed tightly; the X-direction wall limb variable cross-section baffle (215) is aligned with the top end of the lower X-direction wall core surface template (214) of the component; the Y-direction wall limb variable cross-section baffle (225) is aligned with the top end of the lower Y-direction wall core surface template (224) of the component; the X-direction wall limb bottom end template (216), the X-direction wall limb side template (212) and the bottom end of the lower section X-direction wall core surface template (214) of the component are aligned and pressed tightly; the bottom end templates (226) of the Y-direction wall limbs, the Y-direction wall limb side templates (222) and the bottom ends of the lower Y-direction wall core surface templates (224) of the components are aligned and pressed tightly;

the top end surface of the lower X-direction wall core surface template (214) of the member and the X-direction wall limb variable-section baffle (215) are spliced together to form a hollow X-direction wall limb (11) variable-section shaping mold, wherein the planar shape of a hollow part is the same as the cross section of the lower X-direction wall core (111) of the member; the top end face of the lower section Y-direction wall core face template (224) of the member and the Y-direction wall limb variable-section baffle (225) are spliced together to form a hollow Y-direction wall limb (12) variable-section shaping mold, wherein the plane shape of a hollow part is the same as the cross section of the lower section Y-direction wall core (121) of the member;

a rotary mechanism (203) with a clamping device is arranged below the Y-direction wall limb manufacturing platform (221) in a movable manner; after the prefabricated Y-direction wall limb (12) is rotated by 90 degrees along the X-direction wall limb (11), the Y-direction wall limb is obliquely supported (25) for fixing.

8. The manufacturing mold of the fabricated concrete variable-section T-shaped shear wall component according to claim 7, wherein: the filling concrete part of the X-direction wall limb mould (21) is communicated with the vertical hole (104) of the Y-direction wall limb (12), and a vertical hole blocking template (204) is arranged and installed at the vertical hole (104).

9. A construction method of an assembled concrete variable cross-section T-shaped shear wall component comprises a manufacturing and installing method of the assembled concrete variable cross-section T-shaped shear wall component, and the method comprises the following steps:

s01, manufacturing a Y-direction wall limb (12): firstly, manufacturing a Y-direction wall limb (12) of an assembled concrete variable-section T-shaped shear wall member, bouncing a control line on a flat Y-direction wall limb manufacturing platform (221), installing a lower Y-direction wall core surface template (224) of the member, installing edge member vertical steel bars (1051) and stirrups (1052) of an edge member (105), and binding firmly; installing and binding vertical steel bars (101) and horizontal steel bars (102) of the lower layer in a Y-direction wall limb mould (22), and embedding the vertical steel bars (101), edge member vertical steel bars (1051) and stirrups (1052) into grooves (202) of a Y-direction wall core surface template (224) of the lower section of the member; installing a Y-direction wall limb side template (222), a Y-direction wall limb top end template (223) and a Y-direction wall limb bottom end template (226), embedding vertical steel bars (101) on the upper layer in the Y-direction wall limb mould (22) into a groove (202) corresponding to the Y-direction wall limb top end template (223), installing a Y-direction wall limb L-shaped connecting beam support template (227) and a Y-direction wall limb L-shaped connecting beam support template II (228), embedding vertical steel bars (101) or edge member vertical steel bars (1051) and horizontal steel bars (102), installing a template inclined support (23) outside the templates, and fixing by using a support pier (24); filling and leveling the gap of the groove (202) by fine sand (33), and installing a vertical duct mold (201); installing a variable cross-section baffle (225) of the Y-direction wall limb and embedding vertical steel bars (101); horizontal reinforcing steel bars (102) of the X-direction wall limbs (11) vertical to the horizontal reinforcing steel bars are installed; installing vertical steel bars (101) and horizontal steel bars (102) on the upper layer in a Y-direction wall limb mould (22), embedding the vertical steel bars and the horizontal steel bars into grooves (202) of a Y-direction wall limb top end template (223) and a Y-direction wall limb variable cross-section baffle (225), and inserting and binding tie steel bars (103); the lower section of the mounting component is provided with a vertical constructional steel bar (107) of a Y-direction wall core (121); concrete is poured in the Y-direction wall limb mould (22), and a vibrating bar is used for vibrating and compacting;

s02, preparing for removing the mould of the Y-direction wall limb (12) and manufacturing the X-direction wall limb (11): when the Y-direction wall limb (12) to be manufactured meets the mould removing condition, the mould is removed, the vertical pore channel mould (201) is drawn out, the solidified Y-direction wall limb (12) is fixed, the solidified Y-direction wall limb (12) is rotated by 90 degrees to keep vertical and fixed, and the Y-direction wall limb (12) to be manufactured is kept horizontal;

s03, manufacturing an X-direction wall limb (11): a control line is sprung on a flat X-direction wall limb manufacturing platform (211), and a lower X-direction wall core surface template (214) of the component is installed; installing and firmly binding edge member vertical steel bars (1051) and stirrups (1052) of the edge member (105); vertical steel bars (101) and horizontal steel bars (102) of the lower layer in the X-direction wall limb mould (21) are installed and tied, and the vertical steel bars (101), edge member vertical steel bars (1051) and stirrups (1052) are embedded into grooves (202) of the lower section X-direction wall core surface template (214) of the member; installing an X-direction wall limb side template (212), an X-direction wall limb top end template (213) and an X-direction wall limb bottom end template (216), embedding vertical steel bars (101) on the upper layer in the X-direction wall limb mould (21) into a groove (202) corresponding to the X-direction wall limb top end template (213), installing an X-direction wall limb L-shaped connecting beam support template (217) and embedding the vertical steel bars (101) or edge member vertical steel bars (1051) and horizontal steel bars (102), installing a template inclined support (23) outside the template, and fixing by using a support pier (24); filling gaps of the grooves (202) with fine sand (33), and installing a vertical pore channel mold (201); installing an X-direction wall limb variable cross-section baffle (215) and embedding a vertical steel bar (101); installing vertical steel bars (101) and horizontal steel bars (102) on the upper layer in an X-direction wall limb mould (21), embedding the vertical steel bars and the horizontal steel bars into grooves (202) of an X-direction wall limb top end template (213) and an X-direction wall limb variable cross-section baffle plate (215), and inserting and binding tie steel bars (103); the lower section X of the mounting component is towards the vertical constructional steel bar (107) of the wall core (111); pouring concrete in the X-direction wall limb mould (21), and vibrating tightly by using a vibrating spear;

s04, removing the formwork from the wall limb in the X direction: removing the formwork when the manufactured X-direction wall limb (11) meets the formwork removing condition, drawing out the vertical pore channel mould (201) and maintaining, turning and righting after the design strength is reached, and performing finished product protection to be installed after acceptance inspection is qualified;

s05, mounting of the T-shaped shear wall component: the method comprises the steps that a positioning axis is well bounced on a ground base layer (31) of an engineering site, and a T-shaped shear wall component is hoisted to a specified position, so that vertical steel bars (101) extending out of the ground base layer (31) and steel bar joints (1C) of vertical steel bars (1051) of edge components correspond to and are fixed with the vertical steel bars (101) of a lower section (1B) of the T-shaped shear wall component and the steel bar joints (1C) of the vertical steel bars (1051) of the edge components one by one, and displacement and inclination of the T-shaped shear wall component are prevented;

s06, connecting steel bars: welding or lapping the vertical steel bars (101) corresponding to each other in the step S05 and the steel bar joints (1C) of the vertical steel bars (1051) of the edge members, and installing and binding the horizontal steel bars (102) and the tie steel bars (103) of the lower sections (1B) of the members;

s07, pouring the cast-in-place concrete (32): supporting cast-in-place templates (34) at two sides of the lower section (1B) of the component and fixing the cast-in-place templates by cast-in-place template inclined supports (35), pouring cast-in-place concrete (32) to the lower section (1B) of the component through vertical pore canals after the inspection and acceptance of hidden engineering are qualified, and vibrating and compacting;

10. The construction method of the fabricated concrete variable cross-section T-shaped shear wall component as claimed in claim 9, wherein the construction method comprises the following steps: in the step S01, the vertical steel bars (101), the edge member vertical steel bars (1051), the horizontal steel bars (102), the tie steel bars (103) and the stirrups (1052) which are exposed out of the lower sections of the Y-direction wall limbs (12) are sheathed with sheaths to prevent cement paste from polluting the steel bars; in step S03, the vertical steel bars (101), the edge member vertical steel bars (1051), the horizontal steel bars (102), the tie steel bars (103) and the stirrups (1052) exposed to the lower section of the wall limb (11) in the X direction are sheathed with a sheath to prevent cement slurry from polluting the steel bars.