CN113550571A - Construction method of cast-in-situ structure wall column template positioning rib - Google Patents
Construction method of cast-in-situ structure wall column template positioning rib Download PDFInfo
- Publication number
- CN113550571A CN113550571A CN202110691864.2A CN202110691864A CN113550571A CN 113550571 A CN113550571 A CN 113550571A CN 202110691864 A CN202110691864 A CN 202110691864A CN 113550571 A CN113550571 A CN 113550571A
- Authority
- CN
- China
- Prior art keywords
- steel bar
- auxiliary steel
- positioning rib
- auxiliary
- wall column
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
Abstract
A construction method of a positioning rib of a cast-in-situ structure wall column template is characterized by comprising the following steps: a. preparing materials, b, embedding auxiliary steel bars, c, pouring 2 layers of structural concrete, and d, welding positioning bars. The construction method of the cast-in-place structure wall column template positioning rib has the advantages that the problem that a main rib of a wall column needs to be welded during the traditional positioning rib construction is solved, the embedded auxiliary steel bars are bound in advance before the concrete pouring of the wall column, the positioning steel bars of the template are welded on the auxiliary steel bars at the later stage, and the welding on the main rib of the wall column is avoided.
Description
Technical Field
The invention relates to a construction method for arranging reinforcing steel bars, in particular to a construction method for positioning reinforcing steel bars of a wall column template of a cast-in-place structure.
Background
The way of traditional shear force wall, post template bottom location muscle has two kinds: the first is to drill the dowel bar directly on the floor. The second is to weld the short reinforcing steel bars directly on the vertical stressed main reinforcing steel bars of the shear wall and the column. The first method, however, causes damage to the electromechanical lines, blockage and exposure of the steel reinforcement. In the second method, the positioning ribs are welded on the stressed steel bars, so that the stressed steel bars are seriously influenced, and potential safety hazards of engineering structures are caused.
Therefore, the construction method of the positioning rib of the cast-in-place structural wall column formwork has various inconveniences and problems.
Disclosure of Invention
The invention aims to provide a construction method for a cast-in-place structure wall column template positioning rib, which avoids welding on a wall column main rib.
In order to achieve the purpose, the technical solution of the invention is as follows:
a construction method of a positioning rib of a cast-in-situ structure wall column template is characterized by comprising the following steps:
a. material preparation
Providing a 1 st vertical steel bar, a 2 nd vertical steel bar, a 1 st auxiliary steel bar and a 2 nd auxiliary steel bar, wherein the 1 st vertical steel bar, the 2 nd vertical steel bar, the 1 st auxiliary steel bar and the 2 nd auxiliary steel bar are HRB400 steel bars with the length of 20cm and the diameter of 12 mm; providing a positioning rib, wherein the positioning rib is an HRB400 steel bar with the diameter of 12mm, the length of the positioning rib is equal to the thickness of a wall column, the end of the positioning rib is cut smoothly, and anti-rust paint is brushed;
b. auxiliary steel bar pre-embedding
After the 2-layer floor beam slab template is installed, abutting the 1 st auxiliary steel bar and the 2 nd auxiliary steel bar against the inner sides of the 1 st vertical steel bar and the 2 nd vertical steel bar respectively, and firmly binding the upper end and the lower end with the vertical steel bars by using binding wires; the length of the 1 st auxiliary steel bar and the 2 nd auxiliary steel bar extending into the floor of the 2 th floor is 10cm, and the length of the auxiliary steel bar extending above the floor of the 2 nd floor is 10 cm;
c. pouring 2-layer structure concrete
The lower half parts of the 1 st auxiliary steel bar and the 2 nd auxiliary steel bar are respectively embedded in the concrete, and the upper half parts are exposed by 10cm and used for welding template positioning bars;
d. welding positioning rib
And smoothing the end head, brushing anti-rust paint, welding the positioning rib with the length equal to the thickness of the shear wall at the side of the 1 st auxiliary steel bar and the 2 nd auxiliary steel bar, and finishing the installation and construction of the positioning rib.
The construction method of the cast-in-place structure wall column template positioning rib can be further realized by adopting the following technical measures.
The method, wherein the 1 st auxiliary steel bar and the 2 nd auxiliary steel bar are parallel to the 1 st vertical steel bar and the 2 nd vertical steel bar and are perpendicular to the floor.
After the technical scheme is adopted, the construction method of the cast-in-place structure wall column template positioning rib has the advantages that the problem that a main rib of a wall column needs to be welded during construction of the traditional positioning rib is solved, the embedded auxiliary steel bars are bound in advance before concrete pouring of the wall column, the positioning steel bars of the template are welded on the auxiliary steel bars in the later period, and welding on the main rib of the wall column is avoided.
Drawings
Fig. 1 is a schematic view of an auxiliary steel bar embedding structure according to an embodiment of the present invention;
fig. 2 is a schematic view of a welding positioning rib according to an embodiment of the present invention.
In the figure: 1 st vertical reinforcing bar, 2 nd vertical reinforcing bar, 3 rd auxiliary reinforcement, 4 th auxiliary reinforcement, 5 location muscle.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The invention relates to a construction method of a positioning rib of a cast-in-situ structure wall column template, which comprises the following steps:
a. material preparation
Providing a 1 st vertical steel bar 1, a 2 nd vertical steel bar 2, a 1 st auxiliary steel bar 3 and a 2 nd auxiliary steel bar 4, wherein the 1 st vertical steel bar, the 2 nd vertical steel bar, the 1 st auxiliary steel bar and the 2 nd auxiliary steel bar are HRB400 steel bars with the lengths of 20cm and phi 12 mm; and providing a positioning rib, wherein the positioning rib is a phi 12mm HRB400 steel bar, the length of the positioning rib is equal to the thickness of the wall column, the end of the positioning rib is cut smoothly, and anti-rust paint is brushed.
b. Auxiliary steel bar pre-embedding
After the 2-layer floor beam slab template is installed, the 1 st auxiliary steel bar 3 and the 2 nd auxiliary steel bar 4 are respectively abutted against the inner sides of the 1 st vertical steel bar 1 and the 2 nd vertical steel bar 2 of the shearing force, and the upper end and the lower end of the 1 st auxiliary steel bar are firmly bound with the vertical steel bars by binding wires; the length of the 1 st auxiliary steel bar 3 and the 2 nd auxiliary steel bar 4 extending below the 2 th floor is 10cm, and the length of the auxiliary steel bar above the 2 nd floor is 10 cm; the 1 st auxiliary steel bar and the 2 nd auxiliary steel bar are parallel to the 1 st vertical steel bar and the 2 nd vertical steel bar and are perpendicular to the floor. Fig. 1 is a schematic view of an auxiliary rebar pre-buried structure according to an embodiment of the invention.
c. Pouring 2-layer structure concrete
The lower half parts of the 1 st auxiliary steel bar 3 and the 2 nd auxiliary steel bar 4 are embedded in concrete respectively, and the upper half parts are exposed by 10cm and used for welding template positioning bars.
d. Welding positioning rib
And smoothing the end head, brushing anti-rust paint, welding the positioning rib 5 with the length equal to the thickness of the shear wall at the side of the 1 st auxiliary steel bar 3 and the 2 nd auxiliary steel bar 4, and finishing the installation and construction of the positioning rib. Fig. 2 is a schematic view of a welding positioning rib according to an embodiment of the present invention.
Compared with the traditional positioning bar construction method, the construction method of the cast-in-place structure wall column template positioning bar does not need to drill holes and plant bars on the floor slab, does not cause damage and blockage of electromechanical pipelines and steel bar exposure, does not need to weld on the wall column stressed steel bar, does not influence the stressed steel bar, and does not generate structural potential safety hazard.
The construction method of the cast-in-place structure wall column template positioning rib is applied in the construction process of the main concrete body of the chestnut PPP project, has obvious effect, and is fully determined by a construction unit, a construction unit and a supervision unit.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (2)
1. A construction method of a positioning rib of a cast-in-situ structure wall column template is characterized by comprising the following steps:
a. material preparation
Providing a 1 st vertical steel bar (1), a 2 nd vertical steel bar (2), a 1 st auxiliary steel bar (3) and a 2 nd auxiliary steel bar (4), wherein the 1 st vertical steel bar, the 2 nd vertical steel bar, the 1 st auxiliary steel bar and the 2 nd auxiliary steel bar are HRB400 steel bars with the length of 20cm and the diameter of 12 mm; providing a positioning rib, wherein the positioning rib is an HRB400 steel bar with the diameter of 12mm, the length of the positioning rib is equal to the thickness of a wall column, the end of the positioning rib is cut smoothly, and anti-rust paint is brushed;
b. auxiliary steel bar pre-embedding
After the 2-layer floor beam slab template is installed, the 1 st auxiliary steel bar (3) and the 2 nd auxiliary steel bar (4) are respectively abutted against the inner sides of the 1 st vertical steel bar (1) and the 2 nd vertical steel bar (2) in shearing force, and the upper end and the lower end of the 1 st auxiliary steel bar are firmly bound with the vertical steel bars by binding wires; the length of the 1 st auxiliary steel bar (3) and the 2 nd auxiliary steel bar (4) extending below the 2 th floor is 10cm, and the length of the auxiliary steel bar above the 2 nd floor is 10 cm;
c. pouring 2-layer structure concrete
The lower half parts of the 1 st auxiliary steel bar (3) and the 2 nd auxiliary steel bar (4) are respectively embedded in concrete, and the upper half parts are exposed by 10cm and used for welding template positioning bars;
d. welding positioning rib
And (3) welding the positioning rib (5) at the sides of the 1 st auxiliary steel bar (3) and the 2 nd auxiliary steel bar (4) to complete the installation and construction of the positioning rib.
2. The construction method of the cast-in-place structure wall column template positioning bar according to claim 1, wherein the 1 st auxiliary steel bar (3) and the 2 nd auxiliary steel bar (4) are parallel to the 1 st vertical steel bar (1) and the 2 nd vertical steel bar (2) and are perpendicular to the floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691864.2A CN113550571A (en) | 2021-06-22 | 2021-06-22 | Construction method of cast-in-situ structure wall column template positioning rib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691864.2A CN113550571A (en) | 2021-06-22 | 2021-06-22 | Construction method of cast-in-situ structure wall column template positioning rib |
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| Publication Number | Publication Date |
|---|---|
| CN113550571A true CN113550571A (en) | 2021-10-26 |
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| CN202110691864.2A Pending CN113550571A (en) | 2021-06-22 | 2021-06-22 | Construction method of cast-in-situ structure wall column template positioning rib |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290799A (en) * | 2023-03-30 | 2023-06-23 | 中国五冶集团有限公司 | Temporary fixing method for large-section-width shear wall steel bars |
Citations (5)
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|---|---|---|---|---|
| CH507437A (en) * | 1968-01-10 | 1971-05-15 | Bourge Edmond | Formwork device comprising at least one form and support and junction members |
| CN104989102A (en) * | 2015-07-06 | 2015-10-21 | 江苏南通三建集团有限公司 | Improved concrete wall and column construction method |
| CN108661307A (en) * | 2018-06-22 | 2018-10-16 | 中国五冶集团有限公司 | A kind of concrete wall template location structure and method |
| CN210658841U (en) * | 2019-07-25 | 2020-06-02 | 中建八局第二建设有限公司 | One deck basement shear force wall construction structures |
| CN112942812A (en) * | 2021-02-02 | 2021-06-11 | 中国建筑第八工程局有限公司 | Positioning device for shear wall template and method for mounting template by using same |
-
2021
- 2021-06-22 CN CN202110691864.2A patent/CN113550571A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH507437A (en) * | 1968-01-10 | 1971-05-15 | Bourge Edmond | Formwork device comprising at least one form and support and junction members |
| CN104989102A (en) * | 2015-07-06 | 2015-10-21 | 江苏南通三建集团有限公司 | Improved concrete wall and column construction method |
| CN108661307A (en) * | 2018-06-22 | 2018-10-16 | 中国五冶集团有限公司 | A kind of concrete wall template location structure and method |
| CN210658841U (en) * | 2019-07-25 | 2020-06-02 | 中建八局第二建设有限公司 | One deck basement shear force wall construction structures |
| CN112942812A (en) * | 2021-02-02 | 2021-06-11 | 中国建筑第八工程局有限公司 | Positioning device for shear wall template and method for mounting template by using same |
Non-Patent Citations (1)
| Title |
|---|
| 国兴1858: "关于规范剪力墙、柱模板底部定位筋做法的相关事宜", 《百度文库》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290799A (en) * | 2023-03-30 | 2023-06-23 | 中国五冶集团有限公司 | Temporary fixing method for large-section-width shear wall steel bars |
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Application publication date: 20211026 |