CN111395407A - Cast-in-place concrete post-cast strip forming construction method - Google Patents
Cast-in-place concrete post-cast strip forming construction method Download PDFInfo
- Publication number
- CN111395407A CN111395407A CN202010240959.8A CN202010240959A CN111395407A CN 111395407 A CN111395407 A CN 111395407A CN 202010240959 A CN202010240959 A CN 202010240959A CN 111395407 A CN111395407 A CN 111395407A
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- cast
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- cast strip
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention provides a cast-in-place concrete post-cast strip forming construction method which comprises the following steps: 1) determining the height of the boundary plate according to the concrete post-cast strip from the foundation to a designed elevation, and determining the vertical length of the boundary plate according to the thickness of the post-cast strip; 2) the interface board is provided with reinforcing steel bar holes according to the reinforcing steel bar spacing and reinforcing steel bar number of a drawing; 3) when the post-cast strip steel bars are arranged, the water-stop steel strips are fixed at the butt joint positions of the two sides of the post-cast strip and the cast-in-situ part, the two sides of the center line of the water-stop steel strips are welded with boundary plates, the boundary plates are perpendicular to the water-stop steel strips, and the boundary plates are positioned on the boundary line of the cast-in-situ part and the post-cast part of the wall body bottom plate; 4) the side of the boundary plate post-cast strip is provided with a rivet; 5) the method has the advantages that the cast-in-place concrete structure is prevented from being damaged, the construction quality of the concrete structure is further ensured, the manual investment is less, the operation difficulty is reduced, and the construction cost is saved.
Description
Technical Field
The invention belongs to the field of building construction engineering, and particularly relates to a cast-in-place concrete post-cast strip forming construction method.
Background
The post-cast strip is a concrete strip reserved at the corresponding positions of the foundation slab, the wall and the beam according to the design or construction specification requirements for preventing harmful cracks from occurring in the building construction.
When the traditional cast-in-place concrete post-cast strip is constructed, a general concrete reserved surface is separated by adopting a metal net, the metal net is fixed by binding reinforcing steel bars, and the elevation of the top surface of the concrete is controlled by adopting a template.
Disclosure of Invention
The invention aims to simplify the construction of cast-in-place concrete post-cast strip, and provides a construction method which is convenient for post-cast strip molding and concrete casting elevation control.
In order to achieve the purpose, the invention provides the following technical scheme:
a cast-in-place concrete post-cast strip forming construction method comprises the following steps:
1) determining the height of the boundary plate according to the concrete post-cast strip from the foundation to a designed elevation, and determining the vertical length of the boundary plate according to the thickness of the post-cast strip;
2) the interface board is provided with reinforcing steel bar holes according to the reinforcing steel bar spacing and reinforcing steel bar number of a drawing;
3) when the post-cast strip steel bars are arranged, the water-stop steel strips are fixed at the butt joint positions of the two sides of the post-cast strip and the cast-in-situ part, the two sides of the center line of the water-stop steel strips are welded with boundary plates, the boundary plates are perpendicular to the water-stop steel strips, and the boundary plates are positioned on the boundary line of the cast-in-situ part and the post-cast part of the wall body bottom plate;
4) the side of the boundary plate post-cast strip is provided with a rivet;
5) and (4) performing post-pouring belt concrete pouring, determining the elevation of the top surface of the post-pouring belt concrete by taking the height of the top of the boundary plate as a reference during the concrete pouring, and pouring the boundary plate into the concrete.
Compared with the prior art, the invention has the beneficial effects that: the construction quality of the cast-in-place concrete structure post-cast strip is guaranteed, manual use is reduced, the operation difficulty of constructors is reduced, the construction period is shortened, the engineering cost is saved, the cast-in-place concrete structure is prevented from being damaged, and the construction quality of the concrete structure is guaranteed.
Drawings
FIG. 1: the construction structure of the post-cast strip is shown schematically;
FIG. 2: a demarcation strip chart;
FIG. 3: the overall view of the workpiece in the invention.
In the figure: the device comprises a boundary plate 1, a rivet 2, a water stop steel belt 3, a reinforcing steel bar hole 4, a post-cast belt 5, a cast-in-place belt 6 and a post-cast steel bar 7.
Detailed Description
The present invention will be described in detail below with reference to the drawings and examples. In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular shapes, sizes, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known technical information are omitted so as not to obscure the description of the present invention with unnecessary detail.
The invention provides a special workpiece for post-cast strip part construction, which is an integrated workpiece consisting of a boundary plate 1, a water stop steel belt 3 and rivets 2. In particular, as shown in connection with figures 1-3,
and (3) water stop steel strip: the water stop steel belt 3 is arranged at the connecting position of the cast-in-place belt 6 and the post-cast belt 5 and constructed according to the design size of a drawing.
A boundary plate 1: the interface plate 1 and the water stop steel strip 3 are welded into a whole, and the interface plate 1 comprises two parts which are respectively arranged at the inner side and the outer side of the water stop steel strip by a half. The boundary plate 1 and the water stop steel belt 3 are vertically arranged, the vertical size of the boundary plate 1 is arranged according to the thickness size of the post-cast strip 5, and the thickness of the post-cast strip 5 in the embodiment provided by the invention is 3 mm. The boundary plate 1 is arranged on the boundary line of the cast-in-place strip 6 and the post-cast strip 5. The workpiece is fixed when the post-cast strip steel bars 7 are arranged, and corresponding steel bar holes 4 are formed in the boundary plate according to the post-cast strip steel bars 7.
Riveting: the rivets 2 are fixedly connected to the surface of the boundary plate 1 and used for increasing the combination of the boundary plate 1 and post-cast concrete. The size of the rivet is as follows: the length is 10cm, and the diameter is 1.5cm-2.0 cm. The distance between every two rivets (2) is set to be 15 cm.
The cast-in-place concrete post-cast strip forming construction method provided by the invention comprises the following process steps:
1) determining the height of the boundary plate 1 according to the concrete post-cast strip foundation to a designed elevation, and determining the vertical length of the boundary plate 1 according to the thickness of the post-cast strip 5;
2) the interface plate 1 is provided with reinforcing steel bar holes 4 in advance according to the reinforcing steel bar spacing and the reinforcing steel bar number of a drawing;
3) when the post-cast steel bars 4 are arranged, the water-stop steel belts 3 are fixed at the butt joint positions of the two sides of the post-cast belt and the cast-in-place part, the two sides of the center line of the water-stop steel belts 3 are welded with boundary plates, the boundary plates 1 are perpendicular to the water-stop steel belts 3, and the boundary plates 1 are positioned on the boundary lines of the cast-in-place part and the post-cast part of the wall body bottom plate;
4) the side of the boundary plate post-cast strip is provided with a rivet 2;
5) and (4) performing post-pouring belt concrete pouring, determining the elevation of the top surface of the post-pouring belt concrete by taking the height of the top of the boundary plate as a reference during the concrete pouring, and pouring the boundary plate into the concrete.
According to the method, the concrete pouring finish surface is controlled through the steel plate, the boundary plate is poured into the concrete, follow-up dismantling is not needed, the concrete surface quality is protected, the construction is not damaged, and the cast-in-place concrete post-cast strip and the concrete structure engineering quality are guaranteed.
The construction method ensures the construction quality of the post-cast strip of the cast-in-place concrete structure, reduces the manual use, reduces the operation difficulty of constructors, shortens the construction period, saves the engineering cost, avoids the cast-in-place concrete structure from being damaged, and further ensures the construction quality of the concrete structure.
Claims (1)
1. A cast-in-place concrete post-cast strip forming construction method comprises the following steps:
1) determining the height of the boundary plate according to the concrete post-cast strip from the foundation to a designed elevation, and determining the vertical length of the boundary plate according to the thickness of the post-cast strip;
2) forming reinforcing steel bar holes on the boundary plate according to the reinforcing steel bar spacing and reinforcing steel bar number of a drawing;
3) when the post-cast strip steel bars are arranged, the water-stop steel strips are fixed at the butt joint positions of the two sides of the post-cast strip and the cast-in-situ part, the two sides of the center line of the water-stop steel strips are welded with boundary plates, the boundary plates are perpendicular to the water-stop steel strips, and the boundary plates are positioned on the boundary line of the cast-in-situ part and the post-cast part of the wall body bottom plate;
4) the side of the boundary plate post-cast strip is provided with a rivet;
5) and (4) performing post-pouring belt concrete pouring, determining the elevation of the top surface of the post-pouring belt concrete by taking the height of the top of the boundary plate as a reference during the concrete pouring, and pouring the boundary plate into the concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010240959.8A CN111395407A (en) | 2020-03-31 | 2020-03-31 | Cast-in-place concrete post-cast strip forming construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010240959.8A CN111395407A (en) | 2020-03-31 | 2020-03-31 | Cast-in-place concrete post-cast strip forming construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111395407A true CN111395407A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010240959.8A Pending CN111395407A (en) | 2020-03-31 | 2020-03-31 | Cast-in-place concrete post-cast strip forming construction method |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635128A (en) * | 2012-04-27 | 2012-08-15 | 天津二十冶建设有限公司 | Foundation slab post-cast strip waterproof steel plate combined structure and bracing method thereof |
| CN204059419U (en) * | 2014-08-20 | 2014-12-31 | 山东莱钢建设有限公司 | A kind of ater-casting |
| CN105649113A (en) * | 2015-02-05 | 2016-06-08 | 中国建筑第四工程局有限公司 | Structure and construction method of basement post-cast strip |
| CN106193340A (en) * | 2016-08-26 | 2016-12-07 | 杭州江润科技有限公司 | Cast-in-place prestressing without bondn ultralong floor combination type reinforcing strip anti-cracking structure and construction method |
| CN106284427A (en) * | 2016-08-31 | 2017-01-04 | 中国冶集团有限公司 | A kind of basement post-pouring zone temporary leaking water gear soil construction method |
| CN206070600U (en) * | 2016-08-31 | 2017-04-05 | 中国一冶集团有限公司 | A kind of basement bottom plate rear pouring tape plate device |
| CN108166531A (en) * | 2017-12-26 | 2018-06-15 | 中国建筑第七工程局有限公司 | Basic alter-pouring strips mould plate and the construction method for pouring post-cast strip |
| CN207512697U (en) * | 2017-11-24 | 2018-06-19 | 中铁七局集团第五工程有限公司 | Post-cast strip antipriming |
| JP2018159220A (en) * | 2017-03-22 | 2018-10-11 | 大成建設株式会社 | Method of constructing underground structure, form and underground structure |
| CN109577377A (en) * | 2018-11-29 | 2019-04-05 | 成都建工第二建筑工程有限公司 | Basement post-pouring zone structure and its construction method |
-
2020
- 2020-03-31 CN CN202010240959.8A patent/CN111395407A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635128A (en) * | 2012-04-27 | 2012-08-15 | 天津二十冶建设有限公司 | Foundation slab post-cast strip waterproof steel plate combined structure and bracing method thereof |
| CN204059419U (en) * | 2014-08-20 | 2014-12-31 | 山东莱钢建设有限公司 | A kind of ater-casting |
| CN105649113A (en) * | 2015-02-05 | 2016-06-08 | 中国建筑第四工程局有限公司 | Structure and construction method of basement post-cast strip |
| CN106193340A (en) * | 2016-08-26 | 2016-12-07 | 杭州江润科技有限公司 | Cast-in-place prestressing without bondn ultralong floor combination type reinforcing strip anti-cracking structure and construction method |
| CN106284427A (en) * | 2016-08-31 | 2017-01-04 | 中国冶集团有限公司 | A kind of basement post-pouring zone temporary leaking water gear soil construction method |
| CN206070600U (en) * | 2016-08-31 | 2017-04-05 | 中国一冶集团有限公司 | A kind of basement bottom plate rear pouring tape plate device |
| JP2018159220A (en) * | 2017-03-22 | 2018-10-11 | 大成建設株式会社 | Method of constructing underground structure, form and underground structure |
| CN207512697U (en) * | 2017-11-24 | 2018-06-19 | 中铁七局集团第五工程有限公司 | Post-cast strip antipriming |
| CN108166531A (en) * | 2017-12-26 | 2018-06-15 | 中国建筑第七工程局有限公司 | Basic alter-pouring strips mould plate and the construction method for pouring post-cast strip |
| CN109577377A (en) * | 2018-11-29 | 2019-04-05 | 成都建工第二建筑工程有限公司 | Basement post-pouring zone structure and its construction method |
Non-Patent Citations (1)
| Title |
|---|
| 范秋雨: "《建筑工地实用技术问答》", 30 April 2003, 中国建筑工业出版社 * |
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Application publication date: 20200710 |