CN114737618A - Water-stopping construction method for front-support grouting steel pipe - Google Patents
Water-stopping construction method for front-support grouting steel pipe Download PDFInfo
- Publication number
- CN114737618A CN114737618A CN202210270103.4A CN202210270103A CN114737618A CN 114737618 A CN114737618 A CN 114737618A CN 202210270103 A CN202210270103 A CN 202210270103A CN 114737618 A CN114737618 A CN 114737618A
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- Prior art keywords
- water stop
- steel pipe
- steel plate
- front support
- water
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 104
- 239000010959 steel Substances 0.000 title claims abstract description 104
- 238000010276 construction Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
A front support grouting steel pipe water stop construction method is characterized by comprising the following steps: a. and c, processing a water stop steel plate, b, welding the water stop steel plate, and c, installing the water stop steel plate, wherein when the grouting steel pipe penetrates through the outer wall and the bottom plate of the basement, the grouting steel pipe and the welded water stop steel plate are installed in a water facing area of the outer wall and the bottom plate of the basement in the middle of the concrete structure during concrete pouring, so that the water stop steel plate forms a complete waterproof system. The front support grouting steel pipe water stop construction method has the advantages that the water stop steel plate is simple in structure and convenient to manufacture, the front support grouting steel pipe water stop device is convenient to assemble and good in waterproof effect, and can be flexibly installed in a water facing area of a concrete structure and prevent the structure from leaking.
Description
Technical Field
The invention relates to a water stop steel plate, in particular to a front support grouting steel pipe water stop construction method.
Background
In the foundation pit enclosure, the traditional front support grouting steel pipe passes through the outer wall of the basement, the bottom plate of the basement and the like and is directly wrapped by concrete, so that the structure has the defects of leakage and poor water stop effect, the service life of the building is shortened, and the construction and maintenance cost is increased.
Therefore, in the prior art, how to complete the water stopping problem of the front-support grouting steel pipe is a technical problem to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a safe and reliable water stopping construction method for a front support grouting steel pipe.
In order to achieve the purpose, the technical solution of the invention is as follows:
a front support grouting steel pipe water stop construction method is characterized by comprising the following steps:
a. processing water stop steel plate
Processing a water stop steel plate according to the size of the front support grouting steel pipe according to the design, wherein the water stop steel plate is square, and the square water stop steel plate is divided into two symmetrical half plates;
b. welding water stop steel plate
The water-stopping steel plate is obliquely welded with the front support grouting steel pipe by adopting a common method of the water-stopping steel plate, so that the two symmetrical half plates are matched and welded on the outer side of the front support grouting steel pipe at a certain angle to form the water-stopping steel plate;
c. installation stagnant water steel sheet
When the grouting steel pipe penetrates through the outer wall and the bottom plate of the basement, the grouting steel pipe and the welded water stop steel plate are arranged in the water facing area of the outer wall and the bottom plate of the basement in the middle of the concrete structure when concrete is poured, so that the water stop steel plate forms a complete waterproof system.
The front support grouting steel pipe water stop construction method can be further realized by adopting the following technical measures.
In the method, the side length of the square water stop steel plate is more than or equal to 600 mm.
In the method, the thickness of the square water stop steel plate is more than or equal to 6 mm.
The method, wherein the specification of the front-support grouting steel pipe is phi Q325 × 8.
The method wherein said welding is with an electrode of type E43.
In the method, the height of the welding seam between the two symmetrical half plates is more than or equal to 6 mm.
In the method, the height of the welded joint between the water stop steel plate and the front support grouting steel pipe is more than or equal to 6 mm.
After the technical scheme is adopted, the front support grouting steel pipe water stop construction method has the following advantages:
1. the water stop steel plate has simple structure and convenient manufacture;
2. the front support grouting steel pipe water stop device is convenient to assemble and good in waterproof effect;
3. can be flexibly installed in the water-facing area of the concrete structure to prevent the structure from leaking.
Drawings
FIG. 1 is a schematic layout view of a front stay grouting steel pipe and a water stop steel plate according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a welding structure of a front support grouting steel pipe and a water stop steel plate according to an embodiment of the invention.
In the figure: 1 stagnant water steel sheet, 2 preceding brace slip casting steel pipes, 3 welded joint between the stagnant water steel sheet half slab, 4 welded joint between stagnant water steel sheet and the preceding brace slip casting steel pipe.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The invention discloses a water stop construction method for a front support grouting steel pipe, which comprises the following steps of:
referring to fig. 1, fig. 1 is a schematic view illustrating an arrangement of a front-support grouting steel pipe and a water stop steel plate according to an embodiment of the present invention. The material is divided into two half boards by blanking the 600mm water stop steel plate 1 in advance, the two half boards are used for enabling the grouting steel pipe to penetrate through the basement outer wall, the basement bottom plate and the like, and the front support grouting steel pipe 2 is connected through the water stop steel plate, so that welding and installation are facilitated. According to the water stopping method of the front support grouting steel pipe, the water stopping method of the front support grouting steel pipe adopts a Q235B water stopping steel plate, the thickness is 6mm, and the welding rod adopts an E43 type, so that the height of a welding seam 3 between half plates of the water stopping steel plate and the height of a welding seam 4 between the water stopping steel plate and the front support grouting steel pipe are not less than 6mm, and the anti-seepage effect of the basement is remarkable. When concrete is poured, the water-stopping steel plate is installed in place and positioned in the middle of the concrete structure, and a complete waterproof system is formed after the water-stopping steel plate is welded. Fig. 2 is a structural schematic diagram of a welding structure of a front support grouting steel pipe and a water stop steel plate according to an embodiment of the invention. The water stopping method of the front support grouting steel pipe is convenient to assemble and good in waterproof effect, and has the greatest advantage.
The construction method for stopping water of the front support grouting steel pipe has the advantages of substantial characteristics and obvious technical progress, and is a construction method with simple structure, convenient operation and good water stopping effect. As long as the water stop steel plate is fed in advance, the grouting steel pipe can penetrate through the basement outer wall, the basement bottom plate and the like, and the grouting steel pipe is connected with the water stop steel plate, so that welding installation is facilitated. The structure is very simple, the water stopping effect is good, the water stopping device can be flexibly installed in the water-facing area of the basement, the structure is prevented from leaking, the service life of the building is prolonged, and the construction and maintenance cost is reduced.
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. Therefore, all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (7)
1. A front support grouting steel pipe water stop construction method is characterized by comprising the following steps:
a. processing water stop steel plate
Processing a water stop steel plate according to the size of the front support grouting steel pipe according to the design, wherein the water stop steel plate is square, and the square water stop steel plate is divided into two symmetrical half plates;
b. welding water stop steel plate
The water-stopping steel plate is obliquely welded with the front support grouting steel pipe by adopting a common method of the water-stopping steel plate, so that the two symmetrical half plates are matched and welded on the outer side of the front support grouting steel pipe at a certain angle to form the water-stopping steel plate;
c. installation water stop steel plate
When the grouting steel pipe penetrates through the outer wall and the bottom plate of the basement, the grouting steel pipe and the welded water stop steel plate are arranged in the water facing area of the outer wall and the bottom plate of the basement in the middle of the concrete structure when concrete is poured, so that the water stop steel plate forms a complete waterproof system.
2. The front support grouting steel pipe water stop construction method according to claim 1, wherein the side length of the square water stop steel plate is more than or equal to 600 mm.
3. The front support grouting steel pipe water stop construction method according to claim 1, wherein the thickness of the square water stop steel plate is more than or equal to 6 mm.
4. The water stop construction method for the front support grouting steel pipe as claimed in claim 1, wherein the specification of the front support grouting steel pipe is phi Q325B x 8.
5. The water stop construction method for the front-support grouting steel pipe as claimed in claim 1, wherein the welding is an E43 type welding rod.
6. The water stop construction method for the front support grouting steel pipe as claimed in claim 1, wherein the height of the welding seam between the two symmetrical half plates is more than or equal to 6 mm.
7. The front support grouting steel pipe water stop construction method according to claim 1, wherein the height of a welded joint between the water stop steel plate and the front support grouting steel pipe is more than or equal to 6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210270103.4A CN114737618A (en) | 2022-03-18 | 2022-03-18 | Water-stopping construction method for front-support grouting steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210270103.4A CN114737618A (en) | 2022-03-18 | 2022-03-18 | Water-stopping construction method for front-support grouting steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114737618A true CN114737618A (en) | 2022-07-12 |
Family
ID=82276693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210270103.4A Pending CN114737618A (en) | 2022-03-18 | 2022-03-18 | Water-stopping construction method for front-support grouting steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114737618A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04339919A (en) * | 1991-05-15 | 1992-11-26 | Hakko Co Ltd | Water-proof device for pipe inserting section for pit |
| CN208748662U (en) * | 2018-08-06 | 2019-04-16 | 浙江国泰建设集团有限公司 | Foundation pit front-supporting type slip casting steel pipe support structure |
| CN210368980U (en) * | 2019-06-10 | 2020-04-21 | 江苏省岩土工程公司 | Earlier prop formula bracing strut supporting construction system |
| CN111364481A (en) * | 2020-04-24 | 2020-07-03 | 上海勘察设计研究院(集团)有限公司 | End embedded type prestressed inclined pile and construction method thereof |
| CN213538991U (en) * | 2020-09-29 | 2021-06-25 | 上海勘察设计研究院(集团)有限公司 | Wall-penetrating connecting structure for front-supporting type grouting steel pipe |
| CN113550323A (en) * | 2021-07-16 | 2021-10-26 | 五冶集团上海有限公司 | Fixing sleeve capable of recycling front support grouting steel pipe |
-
2022
- 2022-03-18 CN CN202210270103.4A patent/CN114737618A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04339919A (en) * | 1991-05-15 | 1992-11-26 | Hakko Co Ltd | Water-proof device for pipe inserting section for pit |
| CN208748662U (en) * | 2018-08-06 | 2019-04-16 | 浙江国泰建设集团有限公司 | Foundation pit front-supporting type slip casting steel pipe support structure |
| CN210368980U (en) * | 2019-06-10 | 2020-04-21 | 江苏省岩土工程公司 | Earlier prop formula bracing strut supporting construction system |
| CN111364481A (en) * | 2020-04-24 | 2020-07-03 | 上海勘察设计研究院(集团)有限公司 | End embedded type prestressed inclined pile and construction method thereof |
| CN213538991U (en) * | 2020-09-29 | 2021-06-25 | 上海勘察设计研究院(集团)有限公司 | Wall-penetrating connecting structure for front-supporting type grouting steel pipe |
| CN113550323A (en) * | 2021-07-16 | 2021-10-26 | 五冶集团上海有限公司 | Fixing sleeve capable of recycling front support grouting steel pipe |
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Application publication date: 20220712 |
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| RJ01 | Rejection of invention patent application after publication |