CN109680724B - Large-range underground water-proof film sealing device and construction method thereof - Google Patents
Large-range underground water-proof film sealing device and construction method thereof Download PDFInfo
- Publication number
- CN109680724B CN109680724B CN201811565785.1A CN201811565785A CN109680724B CN 109680724 B CN109680724 B CN 109680724B CN 201811565785 A CN201811565785 A CN 201811565785A CN 109680724 B CN109680724 B CN 109680724B
- Authority
- CN
- China
- Prior art keywords
- plate
- water
- stop film
- film unit
- area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
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
- E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/004—Sealing liners
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2450/00—Gaskets
- E02D2450/10—Membranes
- E02D2450/105—Membranes impermeable
- E02D2450/106—Membranes impermeable for liquids
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention provides a large-range underground water-stop film sealing device and a construction method thereof. In the water-stop film unit, a water-stop film body is arranged in a frame, a first edge and a second edge of the water-stop film body both extend out of the frame, and the first edge and the second edge are opposite edges; the square clamping groove is connected with the first edge of the waterproof film body in a sealing mode, and the T-shaped clamping plate is connected with the second edge of the waterproof film body in a sealing mode; the cut comprises a plurality of water-stop film unit arrangement areas, and when the water-stop film units are arranged in the water-stop film unit arrangement areas, the frame is arranged in the water-stop film body area; the T-shaped clamping plate in the current water-stop film unit is embedded into the square clamping groove in the adjacent water-stop film unit to form a sealing joint, and the sealing joint is arranged in a joint area; the frame supports against the inner wall of the water-proof film body area, and the square clamping groove supports against the inner wall of the joint area. When the curtain is formed, the thickness of the curtain can be greatly reduced, the grouting amount is reduced, and the sealing performance is improved.
Description
Technical Field
The invention relates to the technical field of underground reservoir construction, in particular to a large-range underground water-stop film sealing device and a construction method thereof.
Background
At present, in the coal mining process, a curtain is adopted for water isolation in a coal mine or underground to protect water resources. The main problem of the existing curtain around the open pit is that the seepage-proofing performance cannot be guaranteed, the traditional waterproof curtain adopts modes such as cement grouting, when the water level outside the waterproof curtain is high and the water pressure is high, the water seepage phenomenon often occurs, and the seepage-proofing effect is poor; although the problem of poor anti-permeability effect can be solved by arranging the water-blocking film in the water-blocking film, the width of the water-blocking film can only reach five meters due to the limitation of the preparation process of the water-blocking film. However, the length of the curtain is generally more than two kilometers, hundreds of waterproof films are needed to be spliced at the moment, and the anti-seepage effect at the spliced part cannot be guaranteed. Therefore, the solution proposed in the prior art is to increase the grouting amount in the curtain preparation process, that is, to increase the thickness of the curtain, and the width of the undercut is set to be more than 0.5m to ensure the thickness of the curtain, however, the solution requires a very large grouting amount, consumes manpower and material resources, and has a very low efficiency.
Disclosure of Invention
The invention aims to solve the problems of high cost and long time consumption of an underground water waterproof curtain in the prior art, and further provides a large-range underground water-proof film sealing device and a construction method thereof.
Therefore, the invention provides a large-range underground water-stop film sealing device, which comprises a cut and a plurality of water-stop film units:
the waterproof film unit comprises a frame, a waterproof film body, a square clamping groove and a T-shaped clamping plate; the waterproof film body is arranged in the frame, a first edge and a second edge of the waterproof film body both extend out of the frame, and the first edge and the second edge are opposite edges; the square clamping groove is connected with the first edge of the waterproof film body in a sealing mode, and the T-shaped clamping plate is connected with the second edge of the waterproof film body in a sealing mode;
the undermining groove is formed in an underground area where a curtain needs to be arranged and comprises a plurality of waterproof film unit arrangement areas, and each waterproof film unit arrangement area comprises a waterproof film body area and a joint area which are communicated with each other; when the waterproof film unit is arranged in the waterproof film unit arrangement area, the frame is arranged in the waterproof film body area; the T-shaped clamping plate in the current water-stop film unit is embedded into the square clamping groove in the adjacent water-stop film unit to form a sealing joint, and the sealing joint is arranged in the joint area; the frame supports against the inner wall of the water-resisting film body area, and the square clamping groove supports against the inner wall of the joint area.
Optionally, in the large-scale groundwater sealing device, the device further includes a fastener:
the T-shaped clamping plate comprises a first fastening plate, a second fastening plate and a third fastening plate; the first fastening plate comprises a first plate and a second plate which are perpendicular to each other; the second fastening plate comprises a third plate and a fourth plate which are perpendicular to each other; the second plate and the fourth plate are attached to each other; the second edge of the water-stop film body passes through the slit formed by the second plate and the fourth plate and then extends along the direction of the first plate or the third plate; the third fastening plate is arranged on a plane formed by the first plate and the third plate;
the fastener applies force to the first fastening plate, the second fastening plate and the third fastening plate to ensure that the first fastening plate, the second fastening plate and the third fastening plate compress the second edge of the water-stop membrane body.
Optionally, in the sealing device for a large-scale groundwater water-stop membrane, the fastening member is a bundling hoop formed by tightly winding a waterproof material around the first fastening plate, the second fastening plate, and the third fastening plate.
Optionally, in the large-range groundwater sealing device, one side of the square clamping groove, which faces away from the frame, is provided with a bayonet, and the width of the bayonet is the same as the sum of the thicknesses of the second fastening plate and the fourth fastening plate;
the width of the inner wall of the square clamping groove is equal to the sum of the widths of the first fastening plate and the second fastening plate.
Optionally, in the large-scale groundwater barrier sealing device, a rigid sealing sheet is further included:
the rigid sealing sheet is arranged in the square clamping groove, and a clamping plate accommodating area is formed by the rigid sealing sheet and one side of the square clamping groove, which faces away from the frame; when the T-shaped clamping plate is embedded into the square clamping groove, the T-shaped clamping plate is clamped in the clamping plate containing area and is in interference fit with the clamping plate containing area.
Optionally, in the large-scale groundwater sealing device, a plastic sealing gasket is disposed on an inner side of the rigid sealing sheet, and the inner side of the rigid sealing sheet is close to one side of the T-shaped clamping plate.
Optionally, in the large-range groundwater sealing device, the square clamping groove is made of a steel plate, and the size of the cross section of the square clamping groove is 200mm × 500 mm; the thickness of the groove wall is 15 mm;
the size of the cross section of the frame is 5000mm multiplied by 100 mm;
the square clamping groove and the frame are the same in height as the depth of the cut.
Optionally, in the large-scale groundwater sealing device, the T-shaped clamping plate is made of a steel plate, and the thickness of the T-shaped clamping plate is 10 mm.
The invention also provides a construction method of the large-range groundwater membrane sealing device, which comprises the following steps:
assembling to obtain a plurality of waterproof film units, and assembling the waterproof film body, the square clamping grooves and the T-shaped clamping plates into the waterproof film units on the surface of the strip mine;
set up the undercutting and slip casting formation curtain in the underground region that need set up the curtain, it specifically includes:
the method comprises the following steps: after a current water-stop film unit setting area is obtained by milling a groove, setting a water-stop film unit inside the current water-stop film unit setting area, placing a frame in the water-stop film unit in the current water-stop film body area, and injecting slurry into the frame of the current water-stop film unit;
step two: after the grooves are milled to obtain the arrangement areas of the adjacent water-stop film units, arranging one water-stop film unit inside the arrangement area of the adjacent water-stop film unit, arranging a frame in the water-stop film unit in the area of the adjacent water-stop film body, and embedding a T-shaped clamping plate in the current water-stop film unit into a square clamping groove in the adjacent water-stop film unit to form a sealing joint which is arranged in the current joint area; injecting slurry into the frame of the current water-stop film unit;
step three: and returning to the step two after the adjacent water-stop film unit is taken as the current water-stop film unit.
Optionally, in the second step, the construction method of the large-scale groundwater sealing membrane device further includes injecting slurry into a joint area of the current water-stop membrane unit.
Compared with the prior art, the technical scheme provided by the invention at least has the following beneficial effects:
according to the large-range underground water-stop film sealing device and the construction method thereof, the square clamping grooves and the T-shaped clamping plates are arranged on the two sides of the water-stop film body, so that the water-stop film can be conveniently sealed and spliced, the T-shaped clamping plates can be directly inserted into the square clamping grooves to connect the adjacent water-stop film bodies together, and therefore the water-stop film can be continuously arranged, the thickness of a curtain can be greatly reduced when the curtain is formed, the grouting amount is greatly reduced, the sealing performance is improved, the safety of a project is guaranteed, and the large-range underground water-stop film sealing device and the construction method thereof have the beneficial effects of simple process, quick installation and cost reduction.
Drawings
FIG. 1 is a schematic structural diagram illustrating a top view of components of a large scale groundwater barrier sealing apparatus according to an embodiment of the invention;
fig. 2 is a schematic structural view of a front view of a large-scale groundwater barrier sealing device according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a T-shaped card according to an embodiment of the invention;
FIG. 4 is a schematic structural view of the T-shaped clamp of FIG. 3 with fasteners externally disposed;
FIG. 5 is a schematic structural diagram of the square card slot and the T-shaped card board in cooperation with each other according to an embodiment of the invention.
Detailed Description
The technical solution of the present invention will be described below by way of example with reference to the drawings in the present embodiment. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or assembly referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The present embodiment provides a large-scale groundwater barrier sealing apparatus, as shown in fig. 1, including a cut 100 and a plurality of barrier units. The waterproof film unit comprises a frame 200, a waterproof film body 201, a square clamping groove 202 and a T-shaped clamping plate 203; the water-stop film body 201 is arranged in the frame 200, a first edge and a second edge of the water-stop film body 201 both extend out of the frame 200, and the first edge and the second edge are opposite edges; the square clamping groove 202 is connected with a first edge of the waterproof film body 201 in a sealing manner, and the T-shaped clamping plate 203 is connected with a second edge of the waterproof film body 201 in a sealing manner; the undermining groove 100 is arranged in an underground area where curtains need to be arranged and comprises a plurality of waterproof film unit arrangement areas, and each waterproof film unit arrangement area comprises a waterproof film body area 102 and a joint area 101 which are communicated with each other; when the waterproof film unit is arranged in the waterproof film unit arrangement area, the frame 200 is arranged in the waterproof film body area 102; a T-shaped clamping plate 203 in the current water-stop film unit is embedded into a square clamping groove 202 in the adjacent water-stop film unit to form a sealing joint, and the sealing joint is arranged in the joint area 101; the frame 200 abuts against the inner wall of the water-stop membrane body region 102, and the square clamping groove 202 abuts against the inner wall of the joint region 101.
The configuration shown in fig. 1 is a top view configuration, and it can be seen that the cross-sectional dimensions of square card slot 202 match the cross-sectional dimensions of joint region 101, and the cross-sectional dimensions of frame 200 match the dimensions of body region 102 of the water-stop membrane. The water-stop film unit can be lifted by a machine such as a crane and placed in the cut. With reference to fig. 2, it can be seen that the height of the square card slot 202 and the T-shaped card board 203 in the above structure can be extended to above the ground surface, and the height of the water-proof film can be matched with the required height of the curtain. The sealing joint shown in the figure is formed by inserting a T-shaped clamping plate 203 into a square clamping groove 202 in figure 1.
Among the above scheme, both sides through at water barrier film body 201 set up square clamping groove 202 and T type cardboard 203, can realize the sealed concatenation of water barrier film very conveniently, T type cardboard 203 disect insertion can link together adjacent water barrier film body 201 in the square clamping groove 202, thereby can realize setting up the water barrier film in succession, from this the thickness of the curtain that can reduce greatly when forming the curtain, the grouting amount has been reduced greatly, improve sealed performance simultaneously, the safety of project has been guaranteed, it has simple process, the installation is quick, the beneficial effect of reduce cost.
In order to improve the sealing performance, as shown in fig. 3 and 4, the T-shaped clamping plate comprises a first fastening plate, a second fastening plate and a third fastening plate 305; the first fastening plate comprises a first plate 301 and a second plate 302 which are arranged perpendicularly to each other; the second fastening plate comprises a third plate 303 and a fourth plate 304 which are arranged perpendicularly to each other; the second plate 302 and the fourth plate 304 are attached to each other; the second edge 204 of the water-stop film body 201 passes through the slit formed by the second plate 302 and the fourth plate 304 and then extends along the direction of the first plate 301 or the third plate 303 (in the figure, the second edge of the water-stop film body 201 extends towards the direction of the third plate 303); the third fastening plate 305 is disposed on a plane formed by the first plate 301 and the third plate 303; the device further comprises a fastener 306, as shown in the figure, the fastener 306 is disposed outside the T-shaped clamping plate, and the fastener 306 applies force to the first fastening plate, the second fastening plate and the third fastening plate to ensure that the first fastening plate, the second fastening plate and the third fastening plate press the second edge of the water-stop membrane body. As an implementation, the fastening member 306 may be a bundling hoop formed by tightly winding a waterproof material around the first fastening plate, the second fastening plate, and the third fastening plate.
In addition, in order to further ensure the sealing effect of sealing joint department, can also be in square draw-in groove 202 from inside to outside cladding water-stop film, also the equal cladding of water-stop film on the surface (including internal surface and surface) of square draw-in groove also, and the inside of T type cardboard also is provided with the water-stop film, and in T type cardboard inserted to square draw-in groove, different water-stop film bodies set up in the undercutting continuously, do not have a water leakage point.
Further, as shown in fig. 5, a bayonet is disposed on one side of the square slot 202 facing away from the frame, and the width of the bayonet is the same as the sum of the thicknesses of the second fastening plate and the fourth fastening plate; the width of the inner wall of the square clamping groove 202 is the same as the sum of the widths of the first fastening plate and the second fastening plate. As shown in the figure, if there is a fastener outside the T-shaped clamp plate, the width of the bayonet and the width of the inner wall of the square clamp groove should reserve a space for the fastener, that is, the width of the bayonet should be the sum of the thicknesses of the second fastening plate, the fourth fastening plate and twice the fastener. The width of the inner wall should be the sum of the length of the first fastening plate, the length of the second fastening plate and the thickness of the double fastening piece.
Further, the above solution includes a rigid sealing piece 206, the rigid sealing piece 206 is disposed inside the square card slot 202, and a card board accommodating area is formed by the rigid sealing piece 206 and one side of the square card slot 202 facing away from the frame; when the T-shaped clamping plate 203 is embedded into the square clamping groove 202, the T-shaped clamping plate 203 is clamped in the clamping plate accommodating area and is in interference fit with the clamping plate accommodating area, preferably, a plastic sealing gasket 207 is arranged on the inner side of the rigid sealing sheet 206, and the inner side of the rigid sealing sheet 206 is close to one side of the T-shaped clamping plate 203.
As mentioned above, the square slot 202 and the frame 200 are matched with the size of the undercut, preferably, the square slot is made of a steel plate, and the size of the cross section of the square slot is 200mm × 500 mm; the thickness of the groove wall is 15 mm; the frame is made of a steel bar material, and the cross section of the frame is 5000mm multiplied by 100 mm; the square clamping groove 202 and the frame 200 have the same height as the depth of the undercut. The T-shaped clamping plate 203 is made of a steel plate and is 10mm thick.
The scheme provided by the embodiment greatly reduces the grouting amount, and by the device, the grouting amount for 4-5 ten thousand m high speed cultivation can be reduced when a curtain is formed in the underground space of more than 10 ten thousand square meters; meanwhile, the sealing performance is improved, and the safety of the project is ensured.
Example 2
The embodiment provides a construction method of a large-range underground water-stop film sealing device, which comprises the following steps:
s100: assembling to obtain a plurality of waterproof film units, and assembling the waterproof film body, the square clamping grooves and the T-shaped clamping plates into the waterproof film units on the surface of the strip mine;
s200: set up the undercutting and slip casting formation curtain in the underground region that need set up the curtain, it specifically includes: the depth of the cut is selected to be 3m below the aquifer;
the method comprises the following steps: after a current water-stop film unit setting area is obtained by milling a groove, setting a water-stop film unit inside the current water-stop film unit setting area, placing a frame in the water-stop film unit in the current water-stop film body area, and injecting slurry into the frame of the current water-stop film unit; because the water-stop film unit includes a 5000mm water-stop film body area and a 200mm joint area, 5200mm can be selected as a construction unit. The width of the joint area is 500mm, and the width of the water-stop film body area is 100mm, so that the width of most areas in the underholing is very small, the thickness of the curtain is greatly reduced, and the grouting amount is reduced.
Step two: after the grooves are milled to obtain the arrangement areas of the adjacent water-stop film units, arranging one water-stop film unit inside the arrangement area of the adjacent water-stop film unit, arranging a frame in the water-stop film unit in the area of the adjacent water-stop film body, and embedding a T-shaped clamping plate in the current water-stop film unit into a square clamping groove in the adjacent water-stop film unit to form a sealing joint which is arranged in the current joint area; injecting slurry into the frame of the current water-stop film unit; in this step, utilize large-scale loop wheel machine to simultaneously with square noisy and T type cardboard of beating put into the undercutting along the earth's surface, square draw-in groove need include the T type cardboard of previous water-stop film unit, because size design's reason, square draw-in groove inner wall can be hugged closely to T type cardboard. The grouting process in the water-stop film body area comprises the following steps: adopting two grouting pipes, carrying out back and forth circulating grouting according to the same speed in the length direction of the cut, wherein the grouting speed of the two grouting pipes is 0.4 m/min, the two grouting pipes are tightly attached to the inner walls of rocks on two sides of the water-resisting film body area, and the pipe orifices of the two grouting pipes are 0-0.2m above the liquid level of the grout.
Step three: and returning to the step two after the adjacent water-stop film unit is taken as the current water-stop film unit.
Preferably, the second step further includes injecting slurry into the joint area of the current water-stop film unit. The grouting process of the joint area comprises the following steps: grouting is carried out on the other side of the T-shaped clamping plate and the square clamping groove from the bottom upwards, and the grouting port is guaranteed to be always more than 0.5m below the grout surface, so that the sealing performance of the joint is guaranteed through the pressure and the bonding force of the grout.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. A construction method of a large-range underground water-stop film sealing device is characterized by comprising the following steps:
assembling to obtain a plurality of waterproof film units, and assembling the waterproof film body, the square clamping grooves and the T-shaped clamping plates into the waterproof film units on the surface of the strip mine; set up the undercutting and slip casting formation curtain in the underground region that need set up the curtain, it specifically includes:
the method comprises the following steps: after a current water-stop film unit setting area is obtained by milling a groove, setting a water-stop film unit inside the current water-stop film unit setting area, placing a frame in the water-stop film unit in the current water-stop film body area, and injecting slurry into the frame of the current water-stop film unit; injecting slurry into a joint area of the current water-resisting film unit;
step two: after the grooves are milled to obtain the arrangement areas of the adjacent water-stop film units, arranging one water-stop film unit inside the arrangement area of the adjacent water-stop film unit, arranging a frame in the water-stop film unit in the area of the adjacent water-stop film body, and embedding a T-shaped clamping plate in the current water-stop film unit into a square clamping groove in the adjacent water-stop film unit to form a sealing joint which is arranged in the current joint area; injecting slurry into the frame of the current water-stop film unit;
step three: after the adjacent water-stop film unit is used as the current water-stop film unit, returning to the step two;
the waterproof film unit comprises a frame, a waterproof film body, a square clamping groove and a T-shaped clamping plate; the waterproof film body is arranged in the frame, a first edge and a second edge of the waterproof film body both extend out of the frame, and the first edge and the second edge are opposite edges; the square clamping groove is connected with the first edge of the waterproof film body in a sealing mode, and the T-shaped clamping plate is connected with the second edge of the waterproof film body in a sealing mode;
the undermining groove is formed in an underground area where a curtain needs to be arranged and comprises a plurality of waterproof film unit arrangement areas, and each waterproof film unit arrangement area comprises a waterproof film body area and a joint area which are communicated with each other; when the waterproof film unit is arranged in the waterproof film unit arrangement area, the frame is arranged in the waterproof film body area; the T-shaped clamping plate in the current water-stop film unit is embedded into the square clamping groove in the adjacent water-stop film unit to form a sealing joint, and the sealing joint is arranged in the joint area; the frame abuts against the inner wall of the water-resisting film body area, and the square clamping groove abuts against the inner wall of the joint area;
the T-shaped clamping plate comprises a first fastening plate, a second fastening plate and a third fastening plate; the first fastening plate comprises a first plate and a second plate which are perpendicular to each other; the second fastening plate comprises a third plate and a fourth plate which are perpendicular to each other; the second plate and the fourth plate are attached to each other;
the second edge of the water-stop film body passes through the slit formed by the second plate and the fourth plate and then extends along the direction of the first plate or the third plate; the third fastening plate is arranged on a plane formed by the first plate and the third plate;
a fastener applies force to the first fastening plate, the second fastening plate and the third fastening plate to ensure that the first fastening plate, the second fastening plate and the third fastening plate press the second edge of the waterproof membrane body;
the fastener is a bundling hoop and is formed by tightly winding waterproof materials on the first fastening plate, the second fastening plate and the third fastening plate;
a bayonet is arranged on one side of the square clamping groove, which faces away from the frame, and the width of the bayonet is the same as the sum of the thicknesses of the second fastening plate and the fourth fastening plate; the width of the inner wall of the square clamping groove is the same as the sum of the widths of the first fastening plate and the second fastening plate;
the waterproof membrane unit further comprises a rigid sealing sheet which is arranged inside the square clamping groove, and a clamping plate accommodating area is formed by the rigid sealing sheet and one side, back to the frame, of the square clamping groove; when the T-shaped clamping plate is embedded into the square clamping groove, the T-shaped clamping plate is clamped in the clamping plate accommodating area and is in interference fit with the clamping plate accommodating area;
the inner side of the rigid sealing piece is provided with a plastic sealing gasket, and the inner side of the rigid sealing piece is close to one side of the T-shaped clamping plate.
2. The method of constructing a large scale groundwater barrier sealing apparatus according to claim 1,
the square clamping groove is made of a steel plate, and the size of the cross section of the square clamping groove is 200mm multiplied by 500 mm; the thickness of the groove wall is 15 mm;
the size of the cross section of the frame is 5000mm multiplied by 100 mm; the square clamping groove and the frame are the same in height as the depth of the cut.
3. The method of constructing a large scale groundwater barrier sealing apparatus according to claim 2,
the T-shaped clamping plate is made of a steel plate, and the thickness of the T-shaped clamping plate is 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565785.1A CN109680724B (en) | 2018-12-20 | 2018-12-20 | Large-range underground water-proof film sealing device and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565785.1A CN109680724B (en) | 2018-12-20 | 2018-12-20 | Large-range underground water-proof film sealing device and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109680724A CN109680724A (en) | 2019-04-26 |
| CN109680724B true CN109680724B (en) | 2020-11-27 |
Family
ID=66188381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811565785.1A Expired - Fee Related CN109680724B (en) | 2018-12-20 | 2018-12-20 | Large-range underground water-proof film sealing device and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109680724B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037720B (en) * | 2019-12-17 | 2021-03-26 | 无锡申泰新能源科技有限公司 | Quick forming die of prefabricated cement balancing weight |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3430790A1 (en) * | 1984-08-22 | 1986-03-06 | Ed. Züblin AG, 7000 Stuttgart | Apparatus for connecting drainage layers in trench walls |
| CN204570751U (en) * | 2014-12-31 | 2015-08-19 | 上海远方基础工程有限公司 | Underground anti-seepage jointing and underground anti-seepage device |
| CN204849781U (en) * | 2015-08-05 | 2015-12-09 | 上海金同济土木技术工程有限公司 | Lay prevention of seepage geomembrane perpendicularly and press excavation supporting system of irritating stake and combining together with superfluidity |
| CN108867710A (en) * | 2018-07-26 | 2018-11-23 | 上海远方基础工程有限公司 | Underground anti-seepage film grafting connector and its construction method |
-
2018
- 2018-12-20 CN CN201811565785.1A patent/CN109680724B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3430790A1 (en) * | 1984-08-22 | 1986-03-06 | Ed. Züblin AG, 7000 Stuttgart | Apparatus for connecting drainage layers in trench walls |
| CN204570751U (en) * | 2014-12-31 | 2015-08-19 | 上海远方基础工程有限公司 | Underground anti-seepage jointing and underground anti-seepage device |
| CN204849781U (en) * | 2015-08-05 | 2015-12-09 | 上海金同济土木技术工程有限公司 | Lay prevention of seepage geomembrane perpendicularly and press excavation supporting system of irritating stake and combining together with superfluidity |
| CN108867710A (en) * | 2018-07-26 | 2018-11-23 | 上海远方基础工程有限公司 | Underground anti-seepage film grafting connector and its construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109680724A (en) | 2019-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107542115B (en) | Underground engineering waterproof structure and construction method thereof | |
| CN111691467B (en) | Construction method for basement water prevention and drainage combination | |
| CN108239984B (en) | Trapezoidal wave shaped steel plate and steel truss combined assembled type enclosure structure and construction method thereof | |
| CA2870715A1 (en) | System and method for waterproofing below-grade wall structures | |
| CN214695414U (en) | Full prefabricated square pile type ecological retaining wall revetment | |
| CN109680724B (en) | Large-range underground water-proof film sealing device and construction method thereof | |
| US10294621B1 (en) | Device for soft soil foundation treatment by means of vacuum-membrane-free vacuum preloading and treatment method | |
| CN210975898U (en) | Prefabricated template system of basement outer wall post-cast strip | |
| CN211006726U (en) | Underground continuous wall antiseep structure | |
| CN218521808U (en) | Foundation pit supporting structure | |
| CN112145207B (en) | HDPE (high-density polyethylene) diaphragm coupling interlocking connection device and application method thereof | |
| CN213267954U (en) | Water conservancy construction cofferdam device | |
| CN205134384U (en) | Protection device of sword iron is connected to flexible perpendicular cut -pff wall | |
| CN210658316U (en) | Underground continuous wall of ultra-deep foundation pit | |
| CN209211487U (en) | A kind of breast boards structure | |
| CN109723442B (en) | Open coal mine aquifer reservoir waterproof control device | |
| CN206706788U (en) | Latch assembled steel cofferdam | |
| CN216076457U (en) | Contact waterproof structure of existing building and newly-built building | |
| CN217870572U (en) | Foundation pit emergency leaking stoppage mechanism | |
| CN218060869U (en) | Self-insulation building block outer wall body | |
| CN218562386U (en) | Joint box device of HDPE membrane composite flexible underground diaphragm wall | |
| CN215629731U (en) | Sub-groove seepage-proofing structure for waterproof engineering | |
| CN218911275U (en) | Green ecological slope protection structure for hydraulic engineering | |
| CN218093760U (en) | Rock wool composite sheet that can splice | |
| CN214574490U (en) | Assembled steel escape canal that can have enough to meet need |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 Termination date: 20211220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |