CN216516497U - Vertical reinforcing bar positioner of assembled concrete shear force wall conversion layer - Google Patents

Vertical reinforcing bar positioner of assembled concrete shear force wall conversion layer Download PDF

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Publication number
CN216516497U
CN216516497U CN202122954206.6U CN202122954206U CN216516497U CN 216516497 U CN216516497 U CN 216516497U CN 202122954206 U CN202122954206 U CN 202122954206U CN 216516497 U CN216516497 U CN 216516497U
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China
Prior art keywords
positioning
vertical
steel bars
concrete shear
shear wall
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CN202122954206.6U
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Chinese (zh)
Inventor
吴江鹏
张东波
任翠莲
李紫燕
池钊平
郭映君
帅俊伟
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China Shanxi Sijian Group Co Ltd
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China Shanxi Sijian Group Co Ltd
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Abstract

The utility model discloses a vertical steel bar positioning device for a conversion layer of an assembled concrete shear wall, which comprises a positioning die, wherein the positioning die is fixedly connected with a laminated plate truss steel bar; the positioning die is fixedly provided with a vertical positioning pipe for inserting and positioning the vertical steel bars. The method has the advantages that the pre-buried steel bars are fixed by the method, a gap of 250MM is formed between two adjacent positioning plates, so that concrete cannot enter a wall body, the problem of inconvenience in vibrating of lower end wall columns and beams is avoided, and the compactness and the forming quality of the lower end concrete component are guaranteed to the great extent.

Description

Vertical reinforcing bar positioner of assembled concrete shear force wall conversion layer
Technical Field
The utility model relates to the technical field of building construction, in particular to a vertical steel bar positioning device for a conversion layer of an assembled concrete shear wall.
Background
At present, the application of an integral assembly concrete structure in the field of buildings is more and more extensive, the assembly type buildings are also vigorously pushed in China, the traditional node construction process cannot be applied to the assembly type structure, particularly the node construction process of a transition layer, the transition layer is used as a conversion layer of lower cast-in-place concrete and an upper assembly type concrete structure, the requirements on joint bars, embedded part construction progress and concrete forming quality are high, the joint bars of the conversion layer are accurate in position, an upper prefabricated wall sleeve can be accurately matched with a lower reserved steel bar, in the current building market, the management levels of different projects are different, the responsibility of constructors is not strong, the deviation of the embedded joint bars of the conversion layer is slightly large, the upper layer and the lower layer can not be accurately connected with a wall, and the construction quality is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vertical steel bar positioning device for an assembled concrete shear wall conversion layer.
In order to achieve the purpose, the utility model provides the following technical scheme: a vertical steel bar positioning device for an assembled concrete shear wall conversion layer comprises a positioning die, wherein the positioning die is fixedly connected with a superposed plate truss steel bar; and the positioning die is fixedly provided with a vertical positioning pipe for inserting and positioning the vertical steel bars.
In order to improve the installation stability of the positioning mould, the positioning mould and the superimposed sheet truss steel bars are welded and fixed.
In order to facilitate construction, the bottom of the positioning mold is flush with the top of the floor slab.
In order to fix the vertical positioning pipe, the bottom of the vertical steel bar is fixed by the vertical positioning pipe welded on the flat iron.
In order to improve the stability of the vertical steel bars, the upper ends of the vertical steel bars are bound and fixed in an S shape by adopting HRB400E steel bars.
In order to simplify the structure, the positioning die comprises a square steel frame, a positioning plate is fixedly arranged in the square steel frame, a positioning hole is formed in the positioning plate, a vertical positioning pipe is fixedly arranged on the positioning plate, and an opening at one end of the vertical positioning pipe is aligned with the positioning hole.
For the vertical positioning pipe of convenient installation, the locating plate sets up to a plurality of, and a plurality of locating plate interval distribution is in square steel frame.
The utility model has the following technical effects:
1. the device is used for positioning and constructing the vertical steel bars at the joint of the cast-in-place layer and the pre-support floor of the wall body of the fabricated building; in social, through adopting this device construction, not only ensure the realization of the design intention of engineering vertical reinforcement, ensure that the conversion layer reserves reinforcing bar installation moreover and stabilizes, location is accurate and look and feel quality, create good social, have certain guiding significance to the assembly type building construction of same structural style, provide technical support for the development of assembly type.
2. In economic benefit, the construction of the conversion layer is shortened by 2 days after the reinforcement measures of the steel bars of the conversion layer are taken.
3. On the economic index, according to 30 workers per day, the cost is saved by 270 x 30 to 8100 yuan per day;
4. the positioning die is adopted for reserved ribs of the conversion layer, the accuracy of the positions of the embedded steel bars in the concrete pouring process is ensured, the embedded steel bars are fixed by the method, a gap of 250MM is formed between two adjacent positioning plates, the concrete cannot enter a wall body, the problem that lower end wall columns and beams are inconvenient to vibrate is avoided, and the compactness and the forming quality of lower end concrete components are guaranteed to a great extent.
Drawings
FIG. 1 is a first schematic structural view of a positioning mold in an embodiment;
fig. 2 is a structural schematic diagram of a positioning mold in the embodiment.
Reference numerals: 1. a square steel frame; 2. positioning a plate; 3. positioning holes; 4. and (3) vertically positioning the tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1-2, the device for positioning the vertical steel bars of the assembled concrete shear wall conversion layer comprises a positioning mold, wherein the positioning mold is fixedly connected with the truss steel bars of the superposed plates; and the positioning die is fixedly provided with a vertical positioning pipe for inserting and positioning the vertical steel bars.
In order to improve the installation stability of the positioning mould, the positioning mould and the superimposed sheet truss steel bars are welded and fixed. In order to facilitate construction, the bottom of the positioning mold is flush with the top of the floor slab. In order to fix the vertical positioning pipe, the bottom of the vertical positioning pipe is fixed by the vertical positioning pipe welded on the flat iron. In order to improve the stability of the vertical steel bars, the upper ends of the vertical steel bars are bound and fixed in an S shape by adopting HRB400E steel bars. In order to simplify the structure, the positioning die comprises a square steel frame 1, a positioning plate 2 is fixedly arranged in the square steel frame 1, a positioning hole 3 is formed in the positioning plate 2, a vertical positioning pipe 4 is fixedly arranged on the positioning plate 2, and an opening at one end of the vertical positioning pipe 4 is aligned with the positioning hole 3. For the vertical positioning pipe 4 of convenient installation, locating plate 2 sets up to a plurality of, and 2 interval distribution of a plurality of locating plate are in square steel frame 1.
The reserved steel bars adopt the following reinforcing scheme:
adopt two kinds of measures control wall body to reserve the reinforcing bar, positioning die at first confirms its position, effectively welds with superimposed sheet truss reinforcing bar, and positioning die bottom and floor top parallel and level insert the dowel in vertical positioning pipe, and the bottom adopts the pipe of welding on the band iron to fix, and the upper end adopts phi 8 HRB400E reinforcing bar "S" shape to carry out the ligature fixedly to drop after preventing the dowel not hard up.
The construction process comprises the following steps:
the method comprises the steps of component factory splitting drawing → secondary deepening of a dowel drawing → checking of the drawing → processing mold of a professional processing field → reinforcement binding of a wall → mold assembly of the wall → support of a top plate template → installation and correction of a top plate laminated plate → turning of a control line on the top plate by using a plumb and a theodolite → discharge of a wall control line, primary installation and positioning of the mold according to the control line → accurate positioning and checking, welding of an additional reinforcement on the laminated plate truss → insertion of a reserved dowel → fixed horizontal reinforcement binding at the upper end.
Preparation of construction scheme materials:
(1) according to the drawing requirements, the reserved dowel bar is an HRB400E steel bar with phi 16, the die positioning selects an additional steel bar with phi 10 and HRB400E, and the upper part of the round tube positioning measure selects an HRB400E steel bar with phi 8 and the dowel bar is bound and fixed in an S shape. The steel bar blanking length needs to meet the requirement of anchoring length and the requirement of the external leakage length of the sleeve grouting connecting steel bar, and the steel bar anchoring length meets the standard requirement.
(2) The shaping die is welded vertically by adopting 20-40 square steel, and the size of the welding die is the same as that of a wall body split drawing pre-supporting wall body.
(3) The positioning steel plate selects for use 3mm thick, wide 50mm, combines prefabricated component sleeve reserved position according to the drawing, utilizes laser beam punching accurate positioning steel plate position of punching, and the aperture size slightly is greater than the reinforcing bar diameter, according to deepening the drawing, and the welding of positioning steel plate is on positioning die, and positioning plate bottom and positioning die bottom parallel and level, positioning plate upper portion welding wall thickness 2 mm's pipe, the joint bar that the pipe diameter ratio was reserved is 2mm big. In order to ensure that the rigidity of the steel plate meets the requirement, a 20-30mm downward turning edge is arranged in the length direction of the steel plate.
The main technical points of the construction scheme are as follows:
the roof superimposed sheet has been installed, utilize the theodolite to lead the control line to the superimposed sheet on, play the location line of advance wall body on the superimposed sheet, roof reinforcement accomplishes the back, utilize the location line to carry out preliminary fixed position welding to positioning die, the mould welding is on the truss of superimposed sheet, the quality is great after the superimposed sheet installation, be difficult to remove, the welding is on superimposed sheet truss reinforcing bar, can guarantee the accuracy nature of mould location, the HRB400E reinforcing bar of phi 10 is adopted in mould and truss muscle welding, long to one side welding two, weld the four places when being less than or equal to 1m, every increase of mould length 1m, fixed position increases two places. The lower layer extends out of the elevation control point of the column rib, the mounting height of the positioning die is controlled by using a level gauge to perform accurate positioning, the reserved steel bar is inserted into the round pipe, the upper and lower positions of the reserved steel bar are adjusted, the anchoring length is met, and the leakage length meets the grouting connection requirement; the upper part is provided with an additional rib which is connected with the dowel bars in a binding way to form effective stable connection.
After the reserved joint bar top position is corrected, the reserved joint bar is checked by utilizing the characteristics of deepening drawings and steel bar arrangement, and the accuracy of the die position and the joint bar position is ensured. And after the concrete pouring is finished, removing the upper fixed positioning steel bars, removing the shaping die, and using in a circulating way for correcting the positions of the reserved steel bars of the prefabricated wallboard of the assembled standard layer.
In the concrete pouring process, the contact of the reinforcing system and the reserved dowel bars is reduced as much as possible. And after the concrete pouring is finished, measuring and paying off, and accurately positioning by using a control line to measure the deviation of the reserved joint bar.
The construction process comprises the following steps: the method comprises the steps of installing a mold, rechecking the horizontal position, controlling the elevation of the mold by a sweep leveling instrument, welding and reinforcing the mold and a truss steel bar of a laminated plate, and protecting a finished product of a reserved inserted steel bar exposed steel bar.
In order to ensure safe construction, strict requirements on material selection are required, the materials are strictly selected, and a quality control group which is concerned by technical responsible persons and is participated by material personnel and quality personnel is established to be responsible for inspection of purchased parts and mold entering fields. The additional positioning welding steel bar adopts HRB400E10, the positioning steel plate is a galvanized round pipe with the thickness of 3mm, the width of 50mm and the wall thickness of 2mm, and the main frame of the die adopts square steel with the thickness of 20 x 40 and the wall thickness of 2 mm.
The positioning die is adopted for reserved ribs of the conversion layer, the accuracy of the positions of the embedded steel bars in the concrete pouring process is ensured, the embedded steel bars are fixed by the method, a gap of 250MM is formed between two adjacent positioning plates, the concrete cannot enter a wall body, the problem that lower end wall columns and beams are inconvenient to vibrate is avoided, and the compactness and the forming quality of lower end concrete components are guaranteed to a great extent.
The practical application and operation key points comprise: the method comprises the steps of erecting an assembly type top plate template, checking and accepting the flatness of the assembly type top plate, hoisting and placing a laminated slab, finely adjusting, installing the laminated slab, installing and positioning a field mold, checking the elevation of the laminated slab by a sweep leveling instrument after the mold is installed, rechecking the accuracy of an installation position by a manager, installing reserved inserted bars and completing concrete pouring.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.

Claims (7)

1. A vertical steel bar positioning device of an assembled concrete shear wall conversion layer is characterized by comprising a positioning die, wherein the positioning die is fixedly connected with a truss steel bar of a laminated slab; and a vertical positioning pipe (4) for inserting and positioning the vertical steel bars is fixedly arranged on the positioning die.
2. The device for positioning the vertical steel bars of the fabricated concrete shear wall transfer layer according to claim 1, wherein the positioning mold is fixedly welded with the steel bars of the superimposed slab truss.
3. The device for positioning the vertical steel bars of the fabricated concrete shear wall transfer layer according to claim 1, wherein the bottom of the positioning mold is flush with the top of the floor slab.
4. The device for positioning the vertical steel bars of the fabricated concrete shear wall transfer layer according to claim 1, wherein the bottoms of the vertical steel bars are fixed by using vertical positioning pipes (4) welded on flat irons.
5. The device for positioning the vertical steel bars of the fabricated concrete shear wall transfer layer according to claim 1, wherein the upper ends of the vertical steel bars are bound and fixed in an S shape by adopting HRB400E steel bars.
6. The device for positioning the vertical reinforcing steel bars of the fabricated concrete shear wall conversion layer according to claim 1, wherein the positioning mold comprises a square steel frame (1), a positioning plate (2) is fixedly arranged in the square steel frame (1), a positioning hole (3) is formed in the positioning plate (2), a vertical positioning pipe (4) is fixedly arranged on the positioning plate (2), and an opening at one end of the vertical positioning pipe (4) is aligned with the positioning hole (3).
7. The device for positioning the vertical reinforcing steel bars of the fabricated concrete shear wall transfer layer according to claim 6, wherein the positioning plates (2) are arranged in a plurality of numbers, and the plurality of positioning plates (2) are distributed in the square steel frame (1) at intervals.
CN202122954206.6U 2021-11-29 2021-11-29 Vertical reinforcing bar positioner of assembled concrete shear force wall conversion layer Active CN216516497U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122954206.6U CN216516497U (en) 2021-11-29 2021-11-29 Vertical reinforcing bar positioner of assembled concrete shear force wall conversion layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122954206.6U CN216516497U (en) 2021-11-29 2021-11-29 Vertical reinforcing bar positioner of assembled concrete shear force wall conversion layer

Publications (1)

Publication Number Publication Date
CN216516497U true CN216516497U (en) 2022-05-13

Family

ID=81463055

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122954206.6U Active CN216516497U (en) 2021-11-29 2021-11-29 Vertical reinforcing bar positioner of assembled concrete shear force wall conversion layer

Country Status (1)

Country Link
CN (1) CN216516497U (en)

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