CN110939125A - Sealing structure of prefabricated underground continuous wall - Google Patents
Sealing structure of prefabricated underground continuous wall Download PDFInfo
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- CN110939125A CN110939125A CN201911402488.XA CN201911402488A CN110939125A CN 110939125 A CN110939125 A CN 110939125A CN 201911402488 A CN201911402488 A CN 201911402488A CN 110939125 A CN110939125 A CN 110939125A
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- splicing
- wall
- flushing pipe
- sealing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
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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)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention relates to the field of underground continuous wall structures, in particular to a sealing structure of a prefabricated underground continuous wall, wherein the side wall of a wall body is provided with a transverse splicing member for splicing other wall bodies, a first sealing member and a flushing pipe are arranged on two sides of the transverse splicing member, the flushing pipe is positioned between the transverse splicing member and the first sealing member, the first sealing member is used for preventing external muddy water or sand from corroding the transverse splicing member, a plurality of through holes are formed in the flushing pipe, and before the two wall bodies are spliced through the transverse splicing member, high-pressure water is input into the flushing pipe, so that the through holes of the flushing pipe can spray water to the periphery of the flushing pipe, silt on the splicing end face of the wall body, the first sealing member and the transverse splicing member is flushed, the cleanliness of the splicing end face of the wall body is improved, and the water stopping performance and the.
Description
Technical Field
The invention relates to the field of underground continuous wall structures, in particular to a sealing structure of a prefabricated underground continuous wall.
Background
The existing underground continuous wall is generally constructed in a cast-in-place mode, namely, grooving operation is firstly carried out on the ground through a grooving machine, then a reinforcement cage which is bound in advance is hoisted into a groove, concrete grout is injected into the groove, and after the concrete is solidified, the concrete is tightly combined with the reinforcement cage to form the underground continuous wall. However, in-situ casting is difficult to ensure the proportion of concrete, the casting site environment is not controllable, and foreign matters are easy to invade into unset concrete, so that the underground continuous wall cannot reach the design index, and potential safety hazards are left for later construction.
In order to ensure the quality of the underground continuous wall and improve the construction efficiency, a plurality of prefabricated wallboards are prefabricated, the production environment of the prefabricated wallboards can be controlled by a prefabricating factory, and the concrete of the prefabricated wallboards is accurately proportioned.
After the grooving operation is completed by the grooving machine, the prefabricated wall boards are hoisted into the groove, and two horizontally adjacent prefabricated wall boards are spliced. However, because the prefabricated wall panels lack a retaining wall structure when the prefabricated wall panels are not installed in the grooves, slurry is generally injected into the grooves after the grooves are formed to form a liquid retaining wall structure (the slurry density is greater than the density of earth and underground water on the groove walls), the prefabricated wall panels are spliced in the slurry, the cleanliness of the spliced end faces of the prefabricated wall panels cannot meet the splicing requirement, and the water stopping performance and the connection strength of the joints of the prefabricated wall panels are affected.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a sealing structure of a prefabricated underground continuous wall, so as to solve the problem that the cleanliness of the joint of the prefabricated underground continuous wall cannot meet the splicing requirement.
Based on the structure, the invention provides a sealing structure of a prefabricated underground continuous wall, which comprises a wall body, wherein the side wall of the wall body is provided with a transverse splicing member for splicing other wall bodies;
the two sides of the transverse splicing member are respectively provided with a first sealing element and a flushing pipe, the flushing pipe is positioned between the transverse splicing member and the first sealing element, and the pipe wall of the flushing pipe is provided with a plurality of through holes.
Preferably, the transverse splicing member is a splicing lug or a splicing groove, and the shape of the splicing lug is matched with that of the splicing groove.
Preferably, the included angle between the inner side wall and the bottom wall of the splicing groove is an obtuse angle, so that the cross section of the splicing groove is trapezoidal.
Preferably, the top surface and/or the bottom surface of the wall body are/is provided with vertical splicing members for splicing other wall bodies;
and second sealing parts are arranged on two sides of the vertical splicing member.
Preferably, an end of the second seal member is connected to an end of the first seal member.
Preferably, the vertical splicing component is a plug connector or a plug groove, and the shape of the plug connector is matched with that of the plug groove.
According to the sealing structure of the prefabricated underground continuous wall, the side wall of the wall body is provided with the transverse splicing component for splicing other wall bodies, the two sides of the transverse splicing component are respectively provided with the first sealing element and the flushing pipe, the flushing pipe is positioned between the transverse splicing component and the first sealing element, the first sealing element is used for preventing external muddy water or sand from corroding the transverse splicing component, the flushing pipe is provided with the plurality of through holes, and before the two wall bodies are spliced through the transverse splicing component, high-pressure water is input into the flushing pipe, so that the through holes of the flushing pipe can spray water to the periphery of the through holes, silt on the splicing end face of the wall body, the first sealing element and the transverse splicing component is washed, the cleanliness of the splicing end face of the wall body is improved, and further the water stopping performance and the.
Drawings
Fig. 1 is a schematic view showing the overall structure of a sealing structure of a prefabricated underground diaphragm wall according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a vertical splicing member of the prefabricated underground continuous wall according to the embodiment of the present invention.
Wherein, 1, wall body; 11. a first seal member; 12. a second seal member; 2. a transverse splice member; 21. splicing the bumps; 22. splicing the grooves; 3. a vertical splice member; 31. a plug-in unit; 32. and (4) inserting grooves.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, the sealing structure of the prefabricated underground continuous wall of the present invention is schematically shown, and comprises a wall body 1, wherein the side wall of the wall body 1 is provided with a transverse splicing member 2 for splicing other wall bodies 1.
The both sides of horizontal concatenation component 2 all are equipped with first sealing member 11 and flushing pipe, have seted up a plurality of through-holes on the pipe wall of flushing pipe, first sealing member 11 and flushing pipe all arrange along the top to the bottom direction of wall body 1, and the flushing pipe is located between horizontal concatenation component 2 and the first sealing member 11, before two wall bodies 1 splice through horizontal concatenation component 2, to the intraductal input high pressure water of flushing, the through-hole of flushing pipe is towards the concatenation terminal surface water spray of another wall body 1 to wash away the silt on the concatenation terminal surface. Of course, the through hole of the flushing pipe can spray water towards the first sealing element 11 and the transverse splicing member 2 of the other wall body 1, and can also flush residual silt, and meanwhile, the through hole on the flushing pipe can spray water towards the first sealing element 11 of the wall body 1, so that a flushing dead angle between the first sealing element 11 and the splicing end face is avoided. After the two walls 1 are horizontally spliced, the first sealing pieces 11 of the two walls 1 are mutually pressed for preventing external muddy water or sand from eroding the transverse splicing member 2 and the flushing pipe. In addition, after the two walls 1 are spliced, high-pressure cement paste can be injected into the flushing pipe, so that the cement paste enters a splicing gap between the two walls through the through holes in the flushing pipe, and the cement paste can be used as a water stop structure of the transverse splicing component 2 after being solidified.
The transverse splicing component 2 is a splicing lug 21 or a splicing groove 22, the shape of the splicing lug 21 is matched with that of the splicing groove 22, specifically, the transverse splicing component 2 of one wall body 1 is the splicing lug 21, the transverse splicing component 2 of the other wall body 1 is the splicing groove 22, and the splicing lug 21 can be embedded in the splicing groove 22 so as to connect the two adjacently arranged wall bodies 1.
Further, the included angle between the inner side wall and the bottom wall of the splicing groove 22 is an obtuse angle, so that the cross section of the splicing groove 22 is trapezoidal, and correspondingly, the included angle between the outer side wall and the top wall of the splicing lug 21 is an obtuse angle, so that the cross section of the splicing lug 21 is trapezoidal. The splicing groove 22 with the trapezoidal cross section can enable the inner side wall of the splicing groove to be easily flushed by the flushing pipe of the other wall body 1, and similarly, the splicing lug 21 with the trapezoidal cross section can enable the outer side wall of the splicing groove to be easily flushed by the flushing pipe of the other wall body 1, so that the flushing effect of the flushing pipe is ensured.
As shown in fig. 2, the top surface and/or the bottom surface of the wall 1 is provided with a vertical splicing member 3 for splicing other walls 1, the two sides of the vertical splicing member 3 are provided with second sealing parts 12, and after the two walls 1 are vertically spliced, the second sealing parts 12 of the two walls 1 are mutually extruded to prevent external muddy water or sand from eroding the vertical splicing member 3. Specifically, the vertical splicing component 3 is a plug connector 31 or a plug slot 32, the shape of the plug connector 31 is matched with that of the plug slot 32, and the plug connector 31 can be inserted into the plug slot 32 to vertically splice the two walls 1.
The end of the second sealing element 12 is connected to the end of the first sealing element 11, so that the first sealing element 11 and the second sealing element 12 form a closed structure, and the horizontal splicing end face and the vertical splicing end face of the external muddy water or sand erosion wall 1 are organized together.
In summary, according to the sealing structure of the prefabricated underground continuous wall, the side wall of the wall 1 is provided with the transverse splicing member 2 for splicing other walls 1, the two sides of the transverse splicing member 2 are respectively provided with the first sealing member 11 and the flushing pipe, the flushing pipe is positioned between the transverse splicing member 2 and the first sealing member 11, the first sealing member 11 is used for preventing external muddy water or sand from corroding the transverse splicing member 2, the flushing pipe is provided with a plurality of through holes, before the two walls 1 are spliced through the transverse splicing member 2, high-pressure water is input into the flushing pipe, so that the through holes of the flushing pipe can spray water to the periphery of the flushing pipe, so that silt on the splicing end face of the wall 1, the first sealing member 11 and the transverse splicing member 2 is flushed, the cleanliness of the splicing end face of the wall 1 is improved, and the water stopping performance and the connection strength of the connection part.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. The sealing structure of the prefabricated underground continuous wall is characterized by comprising a wall body, wherein the side wall of the wall body is provided with a transverse splicing member for splicing other wall bodies;
the two sides of the transverse splicing member are respectively provided with a first sealing element and a flushing pipe, the flushing pipe is positioned between the transverse splicing member and the first sealing element, and the pipe wall of the flushing pipe is provided with a plurality of through holes.
2. The sealing structure of a prefabricated underground diaphragm wall according to claim 1, wherein the lateral splicing members are splicing projections or splicing grooves, and the shapes of the splicing projections and the splicing grooves are matched.
3. A sealing structure of a prefabricated underground diaphragm wall according to claim 2, wherein the inner side wall and the bottom wall of the splicing groove form an obtuse angle, so that the cross section of the splicing groove is trapezoidal.
4. The sealing structure of the prefabricated underground continuous wall according to claim 1, wherein the top surface and/or the bottom surface of the wall body is provided with vertical splicing members for splicing other wall bodies;
and second sealing parts are arranged on two sides of the vertical splicing member.
5. The sealing structure of a prefabricated underground diaphragm wall according to claim 4, wherein an end of the second sealing member is connected to an end of the first sealing member.
6. The sealing structure of a prefabricated underground continuous wall according to claim 4, wherein the vertical splicing member is a plug member or a plug groove, and the shape of the plug member is matched with that of the plug groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911402488.XA CN110939125A (en) | 2019-12-30 | 2019-12-30 | Sealing structure of prefabricated underground continuous wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911402488.XA CN110939125A (en) | 2019-12-30 | 2019-12-30 | Sealing structure of prefabricated underground continuous wall |
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| Publication Number | Publication Date |
|---|---|
| CN110939125A true CN110939125A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911402488.XA Pending CN110939125A (en) | 2019-12-30 | 2019-12-30 | Sealing structure of prefabricated underground continuous wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350202A (en) * | 2020-04-03 | 2020-06-30 | 山东大学 | Novel assembly type anchoring structure capable of being used as dewatering well and support and construction method |
-
2019
- 2019-12-30 CN CN201911402488.XA patent/CN110939125A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350202A (en) * | 2020-04-03 | 2020-06-30 | 山东大学 | Novel assembly type anchoring structure capable of being used as dewatering well and support and construction method |
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