CN113175144A - Construction method of GBF high-strength alloy thin-wall square-box hollow floor - Google Patents
Construction method of GBF high-strength alloy thin-wall square-box hollow floor Download PDFInfo
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- CN113175144A CN113175144A CN202110367418.6A CN202110367418A CN113175144A CN 113175144 A CN113175144 A CN 113175144A CN 202110367418 A CN202110367418 A CN 202110367418A CN 113175144 A CN113175144 A CN 113175144A
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- Prior art keywords
- thin
- wall square
- box
- square box
- steel bars
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a construction method of a GBF high-injection alloy thin-wall square-box hollow floor, which comprises the following steps of 1: the installation of building roof formwork support and template is carried out earlier to the staff, and after the installation, to dark roof beam, cap, close rib roof beam, thin wall square chest and the position location marking off of reserving pre-buried setting on the template. Has the advantages that: the elastic cushion is arranged in the placing groove at the top of the thin-wall square box, so that the reaction force of the reinforcing steel bars on the thin-wall square box can be reduced through the elastic cushion, the thin-wall square box can be prevented from being displaced in the straightening process, and the construction precision can be ensured.
Description
Technical Field
The invention relates to the technical field of GBF high-injection alloy thin-wall square-box hollow floor systems, in particular to a construction method of a GBF high-injection alloy thin-wall square-box hollow floor system.
Background
The hollow floor is a cast-in-situ reinforced concrete hollow floor; also called as a cast-in-situ beamless hollow floor, and the hollow beamless floor is formed by cast-in-situ after a core mould product is installed. The hollow floor includes reinforcing steel bar, concrete and core mold embedded inside the reinforcing steel bar concrete, and features that the core mold is filled with light material. The hollow floor slab is a technology, is not a product, has light dead weight and large span, can meet the requirements of the current multi-story high-rise building with large column net, large bay and large space, not only can provide flexible application space, but also has the advantages of reducing the dead weight of the structure, increasing the rigidity of the floor slab, shortening the construction period, improving the sound insulation effect, reducing the construction cost and the like.
1. When concrete is cast at the thin-wall square box, the placing position of the concrete is relatively large, and large impact force is easily caused to the thin-wall square box at the position, so that the thin-wall square box is deformed, and the quality of a floor system is influenced.
2. When anti superficial processing is carried out to thin wall square chest, need place the reinforcing bar in the standing groove at thin wall square chest top, because the reinforcing bar has certain crookedness, at thin wall square chest to reinforcing bar aligning in-process, the reinforcing bar can produce certain reaction force to thin wall square chest, and then makes thin wall square chest produce the displacement, influences the construction precision.
3. When the concrete is cast, the density of the concrete is increased, and the concrete is easy to drive to be fixed and move in the flowing process, so that the fixed point is changed, and the anti-floating performance of the thin-wall square box is reduced.
Disclosure of Invention
The invention aims to solve the problems and provide a construction method of a GBF high-injection alloy thin-wall square box hollow floor.
The invention realizes the purpose through the following technical scheme:
a construction method of a GBF high-injection alloy thin-wall square-box hollow floor comprises the following steps:
step 1: the method comprises the following steps that (1) workers firstly install a floor formwork support and a formwork, and position positioning and scribing of a hidden beam, a column cap, a ribbed beam, a thin-wall square box and a reserved embedded position is performed on the formwork after installation is completed;
step 2: after the step 1 is finished, the workers build the steel bars at the hidden beam, the column cap and the multi-ribbed beam according to the positioning scribing lines and install and fix the steel bars on the template;
and step 3: meanwhile, the staff lays ground reinforcing steel bars according to the positioning lines, lays reserved pipelines at the plate reinforcing steel bars according to the construction requirements, places the thin-wall square boxes, and connects and fixes the thin-wall square boxes and the ground reinforcing steel bars by using fixing steel wires;
and 4, step 4: then after the thin-wall square box is installed and fixed, reinforcing steel bars are placed in a placing groove at the top of the thin-wall square box, the installing steel wires are used for being connected with ground reinforcing steel bars, the installing steel wires are connected with the thin-wall square box again through the connecting steel wires, the stability of the installing steel wires is increased, the thin-wall square box is subjected to anti-floating treatment, and meanwhile, plate face reinforcing steel bars are laid on the top of the thin-wall square box by workers;
and 5: after the face steel bars are laid and fixed, workers need to build a construction access road and a concrete conveying pipeline again, and after the building is completed, concrete can be cast at the thin-wall square box to form the floor.
Further, the step 2, the step 3 and the step 4 all need to be subjected to concealed engineering acceptance after the construction is completed.
Further, after the step 5 is completed, the floor system needs to be subjected to wet curing treatment.
Furthermore, when the thin-wall square box is placed in the step 3, the position accuracy and the straight wall body of the thin-wall square box are ensured, and the thickness of concrete among ribs, at the upper end and the lower end of the hollow slab is ensured.
The invention has the beneficial effects that:
1. according to the invention, the reinforcing ribs are arranged on the inner wall of the thin-wall square box, and the strength of the thin-wall square box is increased through the reinforcing ribs, so that the probability of impact deformation of concrete on the thin-wall square box can be reduced, the impact resistance of the thin-wall square box is increased, and the quality and the attractiveness of a floor can be ensured;
2. according to the invention, the elastic pad is arranged in the placing groove at the top of the thin-wall square box, so that the reaction force of the reinforcing steel bars on the thin-wall square box can be reduced through the elastic pad, the thin-wall square box can be prevented from generating displacement in the straightening process, and the construction precision is ensured;
3. the fixing steel wire and the thin-wall square box are connected and fixed through the connecting steel wire, so that the stability of the fixing steel wire is improved, the fixing steel wire is prevented from moving in concrete, the fixing point is prevented from changing, and the anti-floating performance of the thin-wall square box is ensured.
Detailed Description
A construction method of a GBF high-injection alloy thin-wall square-box hollow floor comprises the following steps:
step 1: the method comprises the following steps that (1) workers firstly install a floor formwork support and a formwork, and position positioning and scribing of a hidden beam, a column cap, a ribbed beam, a thin-wall square box and a reserved embedded position is performed on the formwork after installation is completed;
step 2: after the step 1 is finished, the workers build the steel bars at the hidden beam, the column cap and the multi-ribbed beam according to the positioning scribing lines and install and fix the steel bars on the template;
and step 3: meanwhile, the staff lays ground reinforcing steel bars according to the positioning lines, lays reserved pipelines at the plate reinforcing steel bars according to the construction requirements, places the thin-wall square boxes, and connects and fixes the thin-wall square boxes and the ground reinforcing steel bars by using fixing steel wires;
and 4, step 4: then after the thin-wall square box is installed and fixed, reinforcing steel bars are placed in a placing groove at the top of the thin-wall square box, the installing steel wires are used for being connected with ground reinforcing steel bars, the installing steel wires are connected with the thin-wall square box again through the connecting steel wires, the stability of the installing steel wires is increased, the thin-wall square box is subjected to anti-floating treatment, and meanwhile, plate face reinforcing steel bars are laid on the top of the thin-wall square box by workers;
and 5: after the face steel bars are laid and fixed, workers need to build a construction access road and a concrete conveying pipeline again, and after the building is completed, concrete can be cast at the thin-wall square box to form the floor.
In this embodiment, the step 2, the step 3 and the step 4 all need to be subjected to concealed engineering acceptance after the construction is completed.
In this embodiment, after step 5 is completed, the floor system needs to be subjected to wet curing treatment.
In this embodiment, when the thin-wall square box is placed in step 3, it should be ensured that the position is accurate and the wall body is straight, and the thickness of the concrete between the ribs and between the upper and lower ends of the hollow slab is ensured
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A construction method of a GBF high-injection alloy thin-wall square-box hollow floor is characterized by comprising the following steps: it comprises the following steps:
step 1: the method comprises the following steps that (1) workers firstly install a floor formwork support and a formwork, and position positioning and scribing of a hidden beam, a column cap, a ribbed beam, a thin-wall square box and a reserved embedded position is performed on the formwork after installation is completed;
step 2: after the step 1 is finished, the workers build the steel bars at the hidden beam, the column cap and the multi-ribbed beam according to the positioning scribing lines and install and fix the steel bars on the template;
and step 3: meanwhile, the staff lays ground reinforcing steel bars according to the positioning lines, lays reserved pipelines at the plate reinforcing steel bars according to the construction requirements, places the thin-wall square boxes, and connects and fixes the thin-wall square boxes and the ground reinforcing steel bars by using fixing steel wires;
and 4, step 4: then after the thin-wall square box is installed and fixed, reinforcing steel bars are placed in a placing groove at the top of the thin-wall square box, the installing steel wires are used for being connected with ground reinforcing steel bars, the installing steel wires are connected with the thin-wall square box again through the connecting steel wires, the stability of the installing steel wires is increased, the thin-wall square box is subjected to anti-floating treatment, and meanwhile, plate face reinforcing steel bars are laid on the top of the thin-wall square box by workers;
and 5: after the face steel bars are laid and fixed, workers need to build a construction access road and a concrete conveying pipeline again, and after the building is completed, concrete can be cast at the thin-wall square box to form the floor.
2. The construction method of the GBF high-grouting alloy thin-wall square-box hollow floor system as claimed in claim 1, wherein the construction method comprises the following steps: and (4) carrying out concealed project acceptance after the construction is completed in the step (2), the step (3) and the step (4).
3. The construction method of the GBF high-grouting alloy thin-wall square-box hollow floor system as claimed in claim 1, wherein the construction method comprises the following steps: and 5, after the step 5 is finished, carrying out wet curing treatment on the floor.
4. The construction method of the GBF high-grouting alloy thin-wall square-box hollow floor system as claimed in claim 1, wherein the construction method comprises the following steps: and 3, when the thin-wall square box is placed, the accurate position and the straight wall body of the thin-wall square box are ensured, and the thickness of concrete among ribs, upper ends and lower ends of the hollow slab is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110367418.6A CN113175144A (en) | 2021-04-06 | 2021-04-06 | Construction method of GBF high-strength alloy thin-wall square-box hollow floor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110367418.6A CN113175144A (en) | 2021-04-06 | 2021-04-06 | Construction method of GBF high-strength alloy thin-wall square-box hollow floor |
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| CN113175144A true CN113175144A (en) | 2021-07-27 |
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| CN202110367418.6A Pending CN113175144A (en) | 2021-04-06 | 2021-04-06 | Construction method of GBF high-strength alloy thin-wall square-box hollow floor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033088A (en) * | 2021-11-19 | 2022-02-11 | 浙江恒宸建设集团有限公司 | Anti-floating construction method for cast-in-place concrete hollow floor |
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| CN101245621A (en) * | 2008-03-25 | 2008-08-20 | 新蒲建设集团有限公司 | Cast-in-situ hollow building roof construction method |
| JP2009007898A (en) * | 2007-06-29 | 2009-01-15 | Takenaka Komuten Co Ltd | Composite hollow floor structure |
| CN101818574A (en) * | 2010-03-23 | 2010-09-01 | 南通宏华建筑安装有限公司 | Construction method for self-stable high-strength thin-wall pipe internal mold cast-in-place hollow slab |
| CN102182313A (en) * | 2011-03-30 | 2011-09-14 | 中联世纪建设集团有限公司 | Anti-floating construction method of cast-in-situ concrete girderless hollow floor slab |
| CN107083817A (en) * | 2017-06-20 | 2017-08-22 | 中国华西企业有限公司 | A kind of cast-in-place concrete bamboo core floor construction and its construction technology |
| CN209556197U (en) * | 2018-12-08 | 2019-10-29 | 广东现代建筑设计与顾问有限公司 | A kind of thin-walled square chest hollow floor |
| CN110965685A (en) * | 2019-11-26 | 2020-04-07 | 上海二十冶建设有限公司 | Construction method of prestressed thick plate hollow floor |
| CN111058561A (en) * | 2019-12-06 | 2020-04-24 | 山西四建集团有限公司 | Construction method for thin-wall square box rib-free accurate positioning hollow floor |
-
2021
- 2021-04-06 CN CN202110367418.6A patent/CN113175144A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009007898A (en) * | 2007-06-29 | 2009-01-15 | Takenaka Komuten Co Ltd | Composite hollow floor structure |
| CN101245621A (en) * | 2008-03-25 | 2008-08-20 | 新蒲建设集团有限公司 | Cast-in-situ hollow building roof construction method |
| CN101818574A (en) * | 2010-03-23 | 2010-09-01 | 南通宏华建筑安装有限公司 | Construction method for self-stable high-strength thin-wall pipe internal mold cast-in-place hollow slab |
| CN102182313A (en) * | 2011-03-30 | 2011-09-14 | 中联世纪建设集团有限公司 | Anti-floating construction method of cast-in-situ concrete girderless hollow floor slab |
| CN107083817A (en) * | 2017-06-20 | 2017-08-22 | 中国华西企业有限公司 | A kind of cast-in-place concrete bamboo core floor construction and its construction technology |
| CN209556197U (en) * | 2018-12-08 | 2019-10-29 | 广东现代建筑设计与顾问有限公司 | A kind of thin-walled square chest hollow floor |
| CN110965685A (en) * | 2019-11-26 | 2020-04-07 | 上海二十冶建设有限公司 | Construction method of prestressed thick plate hollow floor |
| CN111058561A (en) * | 2019-12-06 | 2020-04-24 | 山西四建集团有限公司 | Construction method for thin-wall square box rib-free accurate positioning hollow floor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033088A (en) * | 2021-11-19 | 2022-02-11 | 浙江恒宸建设集团有限公司 | Anti-floating construction method for cast-in-place concrete hollow floor |
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Application publication date: 20210727 |
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