CN111173044A - Construction method and structure of post-casting water-stop steel plate with construction joint - Google Patents
Construction method and structure of post-casting water-stop steel plate with construction joint Download PDFInfo
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- CN111173044A CN111173044A CN202010118465.2A CN202010118465A CN111173044A CN 111173044 A CN111173044 A CN 111173044A CN 202010118465 A CN202010118465 A CN 202010118465A CN 111173044 A CN111173044 A CN 111173044A
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- steel plate
- water
- stop steel
- construction
- stop
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 165
- 239000010959 steel Substances 0.000 title claims abstract description 165
- 238000010276 construction Methods 0.000 title claims abstract description 67
- 238000005266 casting Methods 0.000 title claims abstract 7
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000009415 formwork Methods 0.000 claims description 8
- 108010068370 Glutens Proteins 0.000 claims description 4
- 235000021312 gluten Nutrition 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 46
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004035 construction material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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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
-
- 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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- 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)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
本发明公开了一种后浇带施工缝止水钢板的施工方法及结构，本发明的方法是采用L型钢筋替代现有的作为止水钢板顶部收口网的支撑；L型钢筋的水平段呈45℃角点焊在止水钢板上，解决了直钢筋容易焊穿止水钢板，造成渗漏，影响工程质量等问题。本发明的结构能利用施工现场钢筋废料作为固定材料，制作简单、安装牢固，适用于基础底板、地下室顶板、消防水池等部位的施工，可有效提高后浇带施工缝的施工质量，减少了二次返工，节省了施工成本。The invention discloses a construction method and structure of a post-casting water-stop steel plate with construction joints. The method of the invention adopts L-shaped steel bar to replace the existing support as the top closing net of the water-stop steel plate; 45°C angle spot welding on the water-stop steel plate solves the problem that straight steel bars are easily welded through the water-stop steel plate, causing leakage and affecting the quality of the project. The structure of the invention can use the steel bar waste on the construction site as a fixing material, is simple to manufacture and firm to install, and is suitable for the construction of the foundation floor, the basement roof, the fire pool and other parts, can effectively improve the construction quality of the post-casting belt construction joints, and reduces the number of two Rework and save construction costs.
Description
Technical Field
The invention relates to a construction method and a structure of a post-cast strip construction joint water stop steel plate, and belongs to the technical field of building foundation construction.
Background
In the construction process of basement engineering structures, construction joints and post-cast belts at parts such as foundation bottom plates, basement top plates, fire pools and the like usually adopt water-stop steel plates as a waterproof treatment mode. The waterproof technology of the water stop steel plate is mature, and the water stop effect is good. The method for installing the water stop steel plate in the prior art adopts a vertical short steel bar to be directly and vertically spot-welded on the water stop steel plate, but the welding quality is often difficult to control, the water stop steel plate is easy to weld through, the problem of leakage in the later stage is caused, and the engineering quality can not be ensured. The existing water stop steel plate has hidden quality troubles in installation, so the prior art still has defects and needs to be further improved.
Disclosure of Invention
The invention aims to provide a construction method and a structure of a post-cast strip construction joint water-stop steel plate, which utilize the waste reinforcing steel bar at the construction site as a fixing material, have simple manufacture and firm installation, and can be suitable for the construction of post-cast strip construction joints at parts such as a foundation bottom plate, a basement top plate, a fire pool and the like, thereby improving the construction quality and efficiency of the water-stop steel plate, effectively saving construction materials, reducing the construction cost and overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a construction method of a post-cast strip construction joint water stop steel plate, which comprises the following steps:
a. laying and binding two layers of bottom reinforcing mesh on the foundation cushion layer or the template;
b. manufacturing a water stop steel plate;
c. welding the top of the supporting steel bar with the two side edges of the water stop steel plate, supporting the bottom of the supporting steel bar on the top surface of the foundation cushion layer or the template, and welding the supporting steel bar with the bottom steel bar mesh;
d. welding the horizontal section of the L-shaped steel bar with the top surface of the water stop steel plate by inclining the horizontal section at 45 ℃;
e. fixing the closing-up net on the L-shaped steel bar through the closing-up net fixing rib;
f. and binding gluten, pouring concrete, and finishing the construction of the post-cast strip construction joint water stop steel plate.
In the construction method of the post-cast strip construction joint water-stopping steel plate, the two side edges of the water-stopping steel plate are provided with obtuse-angle folded edges, and the tops of the supporting steel bars are welded with the obtuse-angle folded edges on the two sides of the water-stopping steel plate.
In the construction method of the post-cast strip construction joint water-stop steel plate, the L-shaped steel bar is divided into a horizontal section and a vertical section at the bending position of 90 ℃; the included angle between the horizontal section and the central line of the water stop steel plate is 45 ℃, and the horizontal section is welded with the top surface of the water stop steel plate.
In the construction method of the post-cast strip construction seam water-stop steel plate, the closing-up net is positioned between the fixing rib of the closing-up net and the vertical section of the L-shaped steel rib; and the fixed ribs of the closing net are welded and fixed with the vertical section of the L-shaped reinforcing steel bar.
The post-cast strip construction joint water-stop steel plate structure formed by the construction method of the post-cast strip construction joint water-stop steel plate comprises a foundation cushion layer or a template; two layers of bottom reinforcing mesh are arranged on the foundation cushion layer or the template, and a pair of water stop steel plates arranged in parallel is arranged at the tops of the two layers of bottom reinforcing mesh; two side edges of each water stop steel plate are welded with a group of supporting steel bars; the bottom ends of the supporting steel bars are supported on the top surface of the foundation cushion layer or the template, and the middle parts of the supporting steel bars are welded with the bottom steel bar mesh; the top surface of the water stop steel plate is welded with the horizontal section of the L-shaped steel bar, and the vertical section of the L-shaped steel bar is vertical to the top surface of the water stop steel plate; and a closing-in net is arranged on one side of the vertical section of the L-shaped reinforcing steel bar and is fixedly connected with the vertical section of the L-shaped reinforcing steel bar through a fixing rib of the closing-in net.
In the structure of the post-cast strip construction joint water-stop steel plate, the included angle between the horizontal section of the L-shaped steel bar and the central line of the water-stop steel plate is 45 ℃.
In the structure of the post-cast strip construction joint water-stopping steel plate, the water-stopping steel plate is in a long rectangular shape, the two side edges of the water-stopping steel plate are provided with obtuse-angle folded edges, and the tops of the supporting steel bars are welded with the obtuse-angle folded edges on the two sides of the water-stopping steel plate.
By adopting the technical scheme, compared with the prior art, the on-site steel bar waste is bent into the L-shaped steel bar, and the horizontal section of the L-shaped steel bar is welded on the water stop steel plate at the angular point of 45 ℃, so that the problems that the water stop steel plate is easy to weld through, the leakage is caused, the engineering quality is influenced, the material is wasted and the like in the prior art are solved, the construction quality of the post-cast strip construction joint is effectively improved, the secondary reworking is reduced, and the construction cost is saved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a top view of the present invention;
fig. 4 is a three-dimensional isometric view of the present invention.
The figures are labeled as follows: 1-foundation cushion or template, 2-bottom reinforcing mesh, 3-water stop steel plate, 4-supporting reinforcing steel bar, 5-L-shaped reinforcing steel bar, 6-horizontal section, 7-vertical section, 8-closing net, 9-closing net fixing rib, 10-obtuse angle folding edge and 11-water stop steel plate central line.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The invention discloses a construction method of a post-cast strip construction joint water stop steel plate, which comprises the following steps of:
a. laying and binding two layers of bottom reinforcing mesh 2 on the foundation cushion layer or the template 1;
b. manufacturing a water stop steel plate 3;
c. welding the tops of the supporting steel bars 4 with the two side edges of the water stop steel plate 3, supporting the bottoms of the supporting steel bars 4 on the top surface of the foundation cushion layer or the formwork 1, and welding the supporting steel bars 4 with the bottom steel bar mesh 2;
d. welding the horizontal section 6 of the L-shaped steel bar 5 with the top surface of the water stop steel plate 3 by inclining the horizontal section at 45 ℃;
e. fixing the closing-up net 8 on the L-shaped steel bar 5 through a closing-up net fixing rib 9;
f. and binding gluten, pouring concrete, and finishing the construction of the post-cast strip construction joint water stop steel plate.
The two sides of the water stop steel plate 3 are provided with obtuse angle folded edges 10, and the top of the support steel bar 4 is welded with the obtuse angle folded edges 10 on the two sides of the water stop steel plate 3. The L-shaped steel bar 5 is divided into a horizontal section 6 and a vertical section 7 at the bending position of 90 ℃; the included angle between the horizontal section 6 and the central line 11 of the water stop steel plate is 45 ℃, and the horizontal section is welded with the top surface of the water stop steel plate 3. The closing-up net 8 is positioned between the closing-up net fixing rib 9 and the vertical section 7 of the L-shaped steel rib 5; and is welded and fixed with the vertical section 7 of the L-shaped steel bar 5 through the closing net fixing bar 9.
The structure of the post-cast strip construction joint water-stop steel plate is formed according to the construction method of the post-cast strip construction joint water-stop steel plate, and comprises a foundation cushion layer or a template 1 as shown in figures 1-4; the foundation cushion layer or the template 1 is provided with two layers of bottom reinforcing mesh 2, and the tops of the two layers of bottom reinforcing mesh 2 are provided with a pair of water stop steel plates 3 which are arranged in parallel; two side edges of each water stop steel plate 3 are welded with a group of supporting steel bars 4; the bottom ends of the supporting steel bars 4 are supported on the top surface of the foundation cushion layer or the template 1, and the middle parts of the supporting steel bars 4 are welded with the bottom steel bar mesh 2; the top surface of the water stop steel plate 3 is welded with the horizontal section 6 of the L-shaped steel bar 5, and the vertical section 7 of the L-shaped steel bar 5 is vertical to the top surface of the water stop steel plate 3; a closing-in net 8 is arranged on one side of the vertical section 7 of the L-shaped steel bar 5, and the closing-in net 8 is fixedly connected with the vertical section 7 of the L-shaped steel bar 5 through a closing-in net fixing rib 9. The included angle between the horizontal section 6 of the L-shaped steel bar 5 and the central line 11 of the water stop steel plate is 45 ℃. The shape of stagnant water steel sheet 3 is long rectangle, and 3 both sides limit of stagnant water steel sheet are equipped with obtuse angle hem 10, and the edge welding of obtuse angle hem 10 of 4 tops of bracing steel bar and 3 both sides of stagnant water steel sheet.
During specific construction, as shown in fig. 1 to 4, a bottom reinforcing mesh 2 is bound on a foundation mat or a formwork 1, then C10 ribbed steel bars are used as supporting steel bars 4 to be welded on two sides of a water stop steel plate 3, and the bottom of the supporting steel bars 4 is supported on the foundation mat or the top surface of the formwork 1. The middle part of the supporting steel bar 4 is welded with the bottom steel bar mesh 2. The water stop steel plate 3 is of a rectangular strip structure, obtuse-angle folded edges 10 are bent on two side edges of the water stop steel plate 3 in the length direction, a splayed shape is formed on two sides of the water stop steel plate 3, and the support steel bars 4 are welded on the edges of the obtuse-angle folded edges 10. Then, C8 ribbed steel bar scrap on the construction site is used for folding a 90 ℃ right angle to form an L-shaped steel bar 5 as a support body of the closing net 8. The horizontal section 6 of the L-shaped steel bar 5 is welded on the top surface of the water stop steel plate 3 at an angular point of 45 ℃ as shown in figure 3, and the spot welding position is located at a point in front of the bent part of the water stop steel plate 3. Then, C12 ribbed steel bar waste on the construction site is used as a closing net fixing rib 9 to fix the closing net 8 on one side of the vertical section of the L-shaped steel bar 5, and the closing net 8 is bound on the closing net fixing rib 9 by using an iron wire. And after the binding net 8 is fixed, binding gluten, and pouring concrete with a post-pouring belt construction joint. The invention has the advantages of simple and quick construction process, firm installation, simple material manufacture and guaranteed quality. Compared with the traditional vertical spot welding, the method provided by the invention has the advantage that the phenomenon of welding through the water-stop steel plate is easy to occur, and the problem is well solved.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118465.2A CN111173044B (en) | 2020-02-26 | 2020-02-26 | Construction method and structure of water-stop steel plate for post-casting belt construction joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118465.2A CN111173044B (en) | 2020-02-26 | 2020-02-26 | Construction method and structure of water-stop steel plate for post-casting belt construction joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111173044A true CN111173044A (en) | 2020-05-19 |
| CN111173044B CN111173044B (en) | 2024-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010118465.2A Active CN111173044B (en) | 2020-02-26 | 2020-02-26 | Construction method and structure of water-stop steel plate for post-casting belt construction joint |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202081518U (en) * | 2011-05-26 | 2011-12-21 | 中建七局第二建筑有限公司 | Steel plate water stopper |
| 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 |
| CN105275097A (en) * | 2014-07-03 | 2016-01-27 | 中铁城建集团第二工程有限公司 | A post-cast strip water-stop steel plate and demolition-free template net installing method |
| JP6212606B1 (en) * | 2016-07-20 | 2017-10-11 | ヤマグチ株式会社 | Construction method of water stop structure with joint of concrete and water stop plate fixture used therefor |
| CN207079635U (en) * | 2017-07-14 | 2018-03-09 | 中国一冶集团有限公司 | Structure is fixedly mounted in a kind of steel plate for sealing water |
| 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 |
| CN110792110A (en) * | 2019-11-08 | 2020-02-14 | 中建四局贵州投资建设有限公司 | Simple formwork supporting method for post-cast strip of basement bottom plate or top plate |
| CN212001284U (en) * | 2020-02-26 | 2020-11-24 | 中国建筑第四工程局有限公司 | Structure of post-cast strip construction joint water stop steel plate |
-
2020
- 2020-02-26 CN CN202010118465.2A patent/CN111173044B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202081518U (en) * | 2011-05-26 | 2011-12-21 | 中建七局第二建筑有限公司 | Steel plate water stopper |
| 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 |
| CN105275097A (en) * | 2014-07-03 | 2016-01-27 | 中铁城建集团第二工程有限公司 | A post-cast strip water-stop steel plate and demolition-free template net installing method |
| JP6212606B1 (en) * | 2016-07-20 | 2017-10-11 | ヤマグチ株式会社 | Construction method of water stop structure with joint of concrete and water stop plate fixture used therefor |
| CN207079635U (en) * | 2017-07-14 | 2018-03-09 | 中国一冶集团有限公司 | Structure is fixedly mounted in a kind of steel plate for sealing water |
| 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 |
| CN110792110A (en) * | 2019-11-08 | 2020-02-14 | 中建四局贵州投资建设有限公司 | Simple formwork supporting method for post-cast strip of basement bottom plate or top plate |
| CN212001284U (en) * | 2020-02-26 | 2020-11-24 | 中国建筑第四工程局有限公司 | Structure of post-cast strip construction joint water stop steel plate |
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| CN111173044B (en) | 2024-12-03 |
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