CN113339018A - A undercut tunnel stagnant water structure for protecting groundwater environment - Google Patents
A undercut tunnel stagnant water structure for protecting groundwater environment Download PDFInfo
- Publication number
- CN113339018A CN113339018A CN202110592409.7A CN202110592409A CN113339018A CN 113339018 A CN113339018 A CN 113339018A CN 202110592409 A CN202110592409 A CN 202110592409A CN 113339018 A CN113339018 A CN 113339018A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- water stop
- tunnel lining
- lining structure
- stop plate
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 239000003673 groundwater Substances 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 15
- 239000004746 geotextile Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 239000012466 permeate Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 11
- 238000010276 construction Methods 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model belongs to the technical field of the undercut tunnel and specifically relates to a undercut tunnel stagnant water structure for protecting groundwater environment is related to, it includes tunnel lining structure, tunnel lining structure distributes along the length direction in tunnel has the multistage, multistage tunnel lining structure connects gradually, the outside laminating of tunnel lining structure has a plurality of stagnant water board groups of group, a plurality of stagnant water board groups that are located the same section tunnel lining structure outside connect gradually, all be equipped with seal assembly between adjacent two sections tunnel lining structure, seal assembly is used for sealing up the junction of adjacent two sections tunnel lining structure, seal assembly includes the seal cover, the butt cover, the tip of adjacent tunnel lining structure looks butt is located the seal cover, the butt cover slides respectively in the both sides of seal cover and is connected with one. The method has the advantages that the possibility that the underground water permeates into the tunnel lining structure is reduced, and the effect of reducing the damage degree of the underground excavated tunnel to the underground water environment is further reduced.
Description
Technical Field
The application relates to the field of underground excavated tunnels, in particular to an underground excavated tunnel water stop structure for protecting underground water environment.
Background
With the progress of urbanization and economic development, subways become one of the main means for solving urban traffic problems. Because urban excavation of subway tunnels is not suitable for open excavation construction, underground excavation is mostly adopted. The underground excavation method is a method of excavating a hole underground without excavating the ground, and the mining method, the shield method and the like belong to the underground excavation method. The subway underground excavation tunnel adopts multistage construction and can guarantee the construction precision.
With respect to the related art in the above, the inventors consider that: when a subway tunnel is constructed by adopting an underground excavation method, various environmental and geological problems such as ground settlement, karst collapse, surrounding rock instability and the like can be caused due to large geological condition difference, and various water environment problems such as roadway water inrush, water level decline, water quality pollution and the like can also be caused. .
Disclosure of Invention
In order to reduce the destruction of undercut tunnel to groundwater environment, this application provides an undercut tunnel stagnant water structure for protecting groundwater environment.
The application provides a dig tunnel stagnant water structure secretly for protecting groundwater environment, adopts following technical scheme:
a hidden tunnel water stop structure for protecting groundwater environment comprises a tunnel lining structure, wherein multiple sections of the tunnel lining structure are distributed along the length direction of a tunnel, the multiple sections of the tunnel lining structure are sequentially connected, a plurality of groups of water stop plate groups are attached to the outer side of the tunnel lining structure, the plurality of water stop plate groups positioned on the outer side of the same section of the tunnel lining structure are sequentially connected, a sealing component is arranged between every two adjacent sections of the tunnel lining structure and is used for sealing the joint of the two adjacent sections of the tunnel lining structure, the sealing component comprises a sealing sleeve and abutting sleeves, the abutting end parts of the adjacent tunnel lining structures are positioned in the sealing sleeve, the abutting sleeves are respectively connected with one of the two sides of the sealing sleeve in a sliding manner, the tunnel lining structures penetrate into the abutting sleeves, the two abutting sleeves correspond to the water stop plate groups on the two sides of the sealing sleeve one to one another, when the abutting sleeves abut against the water stop plate groups, the sealing component connects the water stop plate groups on the two sides of the sealing component.
By adopting the technical scheme, the water stop plate group seals the outer side of the tunnel lining structure, the water stop and isolation effect is achieved, and the possibility that underground water permeates into the tunnel lining structure is reduced. The stagnant water board group in the outside of multistage tunnel lining structure is under construction simultaneously, has accumulative error when a plurality of stagnant water board groups in every section tunnel lining structure outside are connected, and the butt is applied mechanically and is used for compensating this accumulative error. When the abutting sleeve abuts against the water stop plate group, the effect that the sealing assembly seals the abutting part of the adjacent two sections of tunnel lining structures is achieved, and the possibility that underground water permeates into the tunnel lining structures is further reduced. According to the technical scheme, the water stop plate groups and the sealing assemblies are matched with each other, so that the effect of sealing the outer side of the tunnel lining structure is achieved, the possibility that underground water permeates into the tunnel lining structure is reduced, and the underground water environment is protected.
Optionally, a driving groove is formed in one side of the sealing sleeve along the length direction of the tunnel, a driving block is connected to the abutting sleeve, the driving block slides in the driving groove, and a driving assembly used for driving the two driving blocks to be close to or far away from each other is connected to the inside of the driving groove.
Through adopting above-mentioned technical scheme, utilize two drive blocks of drive assembly drive to be close to each other or keep away from, the drive block drives the butt cover and removes, has reached the effect that two butt covers of drive are close to each other or keep away from, and when two butt covers butt respectively in stagnant water board group, reached the effect that seal assembly sealed to the butt department of adjacent two sections tunnel lining structure.
Optionally, the driving assembly comprises a compound screw, the axis of the compound screw is parallel to the length direction of the tunnel, two driving thread sections with opposite thread turning directions are integrally formed on the compound screw, the driving thread sections correspond to the driving blocks one to one, and the driving blocks are in threaded connection with the driving thread sections.
Through adopting above-mentioned technical scheme, when two drive blocks of needs drive removed, the staff rotated compound screw rod, because two drive screw section screw directions are opposite, compound screw rod drives two drive blocks and is close to each other or keep away from the removal.
Optionally, a sealing door is rotatably connected in the driving groove and used for opening or closing the driving groove.
Through adopting above-mentioned technical scheme, utilize the sealing door to seal the drive groove, reduced the possibility that groundwater permeates into the drive groove. When the driving assembly needs to be operated, a worker opens the driving groove by rotating the sealing door, so that the worker can operate the driving assembly conveniently.
Optionally, the water stop plate group includes first stagnant water board, second stagnant water board, and first stagnant water board is the level setting and has two along vertical distribution, and the second stagnant water board is vertical setting and is equipped with two relatively, and first stagnant water board and second stagnant water board all laminate in the lateral wall of tunnel lining structure, and the top surface and the bottom surface of second stagnant water board are fixedly connected with inserted bar respectively, and it has the slot that supplies the inserted bar to peg graft to open on the first stagnant water board.
Through adopting above-mentioned technical scheme, the inserted bar is pegged graft with the slot and is cooperated, has improved the steadiness that first stagnant water board and second stagnant water board are connected.
Optionally, the inserted link and the slot are both dovetail-shaped.
By adopting the technical scheme, the inserted bar and the slot are both in a dovetail shape, so that the possibility that the inserted bar is separated from the slot is reduced.
Optionally, the waterproof board group is laminated on the outer side of the water stop board group, the waterproof board group comprises a first waterproof board and a second waterproof board, the first waterproof board is horizontally arranged and is relatively provided with two, and the second waterproof board is vertically arranged and is relatively provided with two.
Through adopting above-mentioned technical scheme, first waterproof board and second waterproof board mutually support, seal the outside of first stagnant water board and second stagnant water board, have further reduced the possibility that groundwater permeates into in the tunnel lining structure to further protect groundwater resources.
Optionally, a geotextile layer is attached to the outer side of the waterproof plate group.
Through adopting above-mentioned technical scheme, the geotechnological cloth layer is used for keeping apart waterproof board group and tunnel excavation inner wall soil layer, has reduced the influence of soil layer to waterproof board group's structural integrity has been improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the water stop plate group and the sealing assembly are matched with each other, so that the effect of sealing the outer side of the tunnel lining structure is achieved, the possibility that underground water penetrates into the tunnel lining structure is reduced, and the underground water environment is protected;
2. the insertion rod is in insertion fit with the insertion slot, so that the connection stability of the first water stop plate and the second water stop plate is improved;
3. first waterproof board and second waterproof board mutually support, seal the outside of first stagnant water board and second stagnant water board, have further reduced the possibility that groundwater permeates into in the tunnel lining structure.
Drawings
Fig. 1 is a schematic structural view of an underground excavation tunnel water stopping structure for protecting a groundwater environment according to an embodiment of the present application.
Fig. 2 is a schematic structural view of a water stop plate group according to an embodiment of the present application.
Fig. 3 is a sectional view of a water stop plate group according to an embodiment of the present application.
FIG. 4 is a cross-sectional view of a seal assembly of an embodiment of the present application.
Fig. 5 is an enlarged view for embodying a point a in fig. 4.
Description of reference numerals: 1. a tunnel lining structure; 2. a water stop plate group; 21. a first water stop plate; 22. a second water stop plate; 23. inserting a rod; 24. a slot; 3. a seal assembly; 31. sealing sleeves; 311. a ring groove; 312. a drive slot; 32. a butting sleeve; 4. a drive block; 5. a drive assembly; 51. a compound screw; 52. a hand wheel; 6. a rotating shaft; 61. a sealing door; 62. a torsion spring; 63. a handle; 7. a waterproof board group; 71. a first waterproof sheet; 72. a second waterproof sheet; 8. a geotextile layer; 9. fixing a water stop plate; 91. a communicating groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a secretly dig tunnel stagnant water structure for protecting groundwater environment.
Referring to fig. 1, the underground excavation tunnel water stopping structure for protecting the groundwater environment comprises a tunnel lining structure 1, wherein multiple sections are distributed on the tunnel lining structure 1 along the length direction of the tunnel lining structure, the multiple sections of the tunnel lining structure 1 are sequentially connected end to end, and the tunnel lining structure 1 is distributed with three sections in the embodiment.
Referring to fig. 1 and 2, a plurality of groups of water stop plate groups 2 are attached to the outer side of each section of tunnel lining structure 1, three groups of water stop plate groups 2 are attached to the outer side of each section of tunnel lining structure 1 in the embodiment, and the three groups of water stop plate groups 2 located on the outer side of the same section of tunnel lining structure 1 are sequentially abutted.
Referring to fig. 2, the water stop plate group 2 includes a first water stop plate 21 and a second water stop plate 22, and both the first water stop plate 21 and the second water stop plate 22 are water stop steel plates. First stagnant water board 21 is the level setting and has two along vertical distribution, and second stagnant water board 22 is vertical setting and has two along horizontal direction distribution, and second stagnant water board 22 is located between two first stagnant water boards 21. The first water stop plate 21 and the second water stop plate 22 are attached to the outer side surface of the tunnel lining structure 1.
First stagnant water board 21 and second stagnant water board 22 cooperate and seal the outside of tunnel lining structure 1, have played the effect of water of hindering, have reduced the possibility that groundwater permeates into in tunnel lining structure 1, and then have protected the groundwater environment.
Referring to fig. 2, in order to improve the positioning stability of the first water stop plate 21 and the second water stop plate 22, the top surface and the bottom surface of the second water stop plate 22 are fixedly connected with the insertion rods 23, respectively, and the length direction of the insertion rods 23 is parallel to the length direction of the tunnel. Two opposite side surfaces of the two first water stop plates 21 are provided with two slots 24. The inserting rods 23 are in one-to-one correspondence with the inserting grooves 24 and are in inserting fit. In addition, the inserting rod 23 and the inserting groove 24 are both in a dovetail shape, so that the possibility that the inserting rod 23 is separated from the inserting groove 24 is reduced, and the connection stability of the first water stop plate 21 and the second water stop plate 22 is further improved.
Referring to fig. 3, one end of the slot 24 penetrates through the side surface of the first water stop plate 21, and the other end of the slot is closed, so that when the plurality of water stop plate groups 2 are mutually abutted, the inserted rod 23 is sequentially abutted in the slot 24, the possibility of shaking of the inserted rod 23 is reduced, and the stability of the water stop plate groups 2 is further improved.
When the water stop plate groups 2 on the outer sides of the multi-section tunnel lining structures 1 are constructed simultaneously, construction errors exist due to the fact that the water stop plate groups 2 in each section of tunnel are abutted in sequence, and accumulated errors are formed, so that the two water stop plate groups 2 at the abutting positions of two adjacent sections of tunnels cannot be abutted seamlessly.
Referring to fig. 1 and 4, in order to compensate for the accumulated error, a sealing assembly 3 is disposed between the tunnel lining structures 1 of the two adjacent sections, and the sealing assembly 3 is used for sealing a connection portion of the tunnel lining structures 1 of the two adjacent sections.
Referring to fig. 2 and 4, the sealing assembly 3 includes a sealing sleeve 31 and an abutting sleeve 32, wherein the abutting end portions of the adjacent tunnel lining structures 1 are located in the sealing sleeve 31, and the abutting sleeve 32 is slidably connected to one of the two sides of the sealing sleeve 31. The both sides of seal cover 31 are opened respectively and are had annular 311, and annular 311 is the quad ring setting, and butt cover 32 and annular 311 one-to-one, butt cover 32 slides and wears to establish in annular 311. The tunnel lining structure 1 is arranged in the abutting sleeve 32 in a penetrating manner, the abutting sleeve and the sealing sleeve are attached to each other, and the abutting sleeve 32 corresponds to the water stop plate groups 2 on two sides of the sealing sleeve 31 one by one.
Referring to fig. 2 and 4, when the sealing assembly 3 is installed, the sealing sleeve 31 is fixed between the two corresponding water stop plate groups 2, the two abutting sleeves 32 are driven to be away from each other, when the abutting sleeves 32 abut against the water stop plate groups 2, the sealing assembly 3 connects the water stop plate groups 2 on the two sides of the sealing assembly, and sealing of the adjacent two sections of tunnel lining structures 1 is achieved.
Referring to fig. 4, one side of the sealing sleeve 31 is provided with a driving groove 312 along the length direction of the tunnel, and the driving groove 312 is communicated with the two ring grooves 311. The driving block 4 is connected to the abutting sleeve 32, and both the driving blocks 4 slide in the driving groove 312. The driving assembly 5 for driving the two driving blocks 4 to approach or move away from each other is connected in the driving groove 312.
Referring to fig. 4, the driving assembly 5 includes a compound screw 51, an axis of the compound screw 51 is parallel to a length direction of the tunnel, two driving screw sections with opposite screw thread directions and the same lead are integrally formed on the compound screw 51, the driving blocks 4 correspond to the driving screw sections one by one, and the driving blocks 4 are in threaded connection with the driving screw sections. The compound screw 51 is fixedly sleeved with a hand wheel 52, and the hand wheel 52 is positioned between the two drive screw sections.
The hand wheel 52 is rotated, the hand wheel 52 drives the compound screw rod 51 to rotate, and the compound screw rod 51 drives the two driving blocks 4 to move away from or close to each other due to the fact that the rotation directions of the two driving thread sections are opposite. The driving block 4 drives the abutting sleeves 32 to move, and the effect of driving the two abutting sleeves 32 to approach or depart from each other is achieved.
Referring to fig. 4 and 5, in order to seal the driving groove 312, a rotating shaft 6 is fixedly connected in the driving groove 312, a sealing door 61 is rotatably connected to the rotating shaft 6, the rotating shaft 6 is positioned above the sealing door 61, and when the sealing door 61 is in a vertical state, the driving groove 312 is blocked, so that the possibility of groundwater infiltration into the driving groove 312 is reduced. A handle 63 is fixedly connected to a side surface of the sealing door 61 facing the outside of the sealing boot 31.
Referring to fig. 4 and 5, in order to improve the stability of the sealing door 61 when plugging the driving groove 312, the two ends of the rotating shaft 6 are respectively sleeved with a torsion spring 62, one end of the torsion spring 62 is fixedly connected to the sealing sleeve 31, the other end of the torsion spring 62 is fixedly connected to the sealing door 61, and when the torsion spring 62 is in a natural state, the sealing door 61 is vertically arranged.
When the hand wheel 52 needs to be rotated, the operator rotates the sealing door 61 by using the handle 63, the torsion spring 62 applies elastic force to the sealing door 61, and after the driving groove 312 is opened, the operator can rotate the hand wheel 52. After the operation is finished, the handle 63 is loosened, the elastic potential energy of the torsion spring 62 is released, the sealing door 61 is driven to reset, and the driving groove 312 is blocked again.
Referring to fig. 2, in order to further reduce groundwater infiltration and advance tunnel lining structure 1, the outside laminating of stagnant water board group 2 has waterproof board group 7, and waterproof board group 7 includes first waterproof board 71, second waterproof board 72, and first waterproof board 71 is the level setting and has two along vertical distribution, first waterproof board 71 and first stagnant water board 21 one-to-one, and first waterproof board 71 laminates in one side that first stagnant water board 21 deviates from tunnel lining structure 1.
Referring to fig. 2, the second waterproof boards 72 are vertically disposed and are distributed in two along the horizontal direction, and the second waterproof boards 72 are located between the two first waterproof boards 71. The second waterproof plate 72 corresponds to the second water stop plate 22 one by one, and the second waterproof plate 72 is attached to one side of the second water stop plate 22 departing from the tunnel lining structure 1.
Referring to fig. 2, one side of the first waterproof board 71 departing from the first water stop board 21 and one side of the second waterproof board 72 departing from the second water stop board 22 are both laminated with the geotextile layer 8, and the geotextile layer 8 separates the soil layer in the tunnel from the waterproof board group 7, so that the structural integrity of the waterproof board group 7 is improved, and the waterproof effect of the waterproof board group 7 is improved.
Referring to fig. 1 and 2, the fixed water stop plates 9 are respectively provided at both ends of the tunnel, and the fixed water stop plates 9 are water stop steel plates. Fixed stagnant water board 9 is vertical setting, and fixed stagnant water board 9 fixed connection has intercommunication groove 91 in waterproof board group 7 and the waterproof board group 2 that the tunnel tip that it is located corresponds, and it has the intercommunication groove 91 to open on the fixed stagnant water board 9, and intercommunication groove 91 communicates in the tunnel. The fixed water stop plate 9 improves the sealing effect on the tunnel lining structure 1.
The implementation principle of the underground excavation tunnel water stopping structure for protecting the groundwater environment in the embodiment of the application is as follows: the water stop plate group 2, the water stop plate group 7 and the geotextile layer 8 are mutually matched to seal the tunnel lining structure 1, so that the possibility that underground water permeates into the tunnel lining structure 1 is reduced, and the underground water environment is protected. The staff is at tunnel lining structure 1's of adjacent two sections butt department installation seal cover 31, rotate hand wheel 52, hand wheel 52 drives double entry screw rod 51 and rotates, double entry screw rod 51 drives two drive blocks 4 and keeps away from each other, drive block 4 drives the motion of butt cover 32, make two butt cover 32 move towards the direction of keeping away from each other, after butt cover 32 butt in the stagnant water board group 2 that corresponds, the effect of sealing up has been realized to two sections adjacent tunnel lining structure 1's butt department, further the separation tunnel lining structure 1 of groundwater infiltration, further the groundwater resource has been protected.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an undercut tunnel stagnant water structure for protecting groundwater environment which characterized in that: the tunnel lining structure comprises a tunnel lining structure (1), wherein multiple sections are distributed on the tunnel lining structure (1) along the length direction of a tunnel, the multiple sections of the tunnel lining structure (1) are sequentially connected, a plurality of groups of water stop plate groups (2) are attached to the outer side of the tunnel lining structure (1), the plurality of water stop plate groups (2) positioned on the outer side of the same section of the tunnel lining structure (1) are sequentially connected, a sealing component (3) is arranged between every two adjacent sections of the tunnel lining structure (1), the sealing component (3) is used for sealing the joint of the two adjacent sections of the tunnel lining structure (1), the sealing component (3) comprises a sealing sleeve (31) and a butting sleeve (32), the butted end parts of the adjacent tunnel lining structures (1) are positioned in the sealing sleeve (31), the butting sleeve (32) is connected with one of the two sides of the sealing sleeve (31) in a sliding manner respectively, and the tunnel lining structure (1) is arranged in the butting sleeve (32) in a penetrating manner, the two abutting sleeves (32) correspond to the water stop plate groups (2) on the two sides of the sealing sleeve (31) one by one, and when the abutting sleeves (32) abut against the water stop plate groups (2), the sealing component (3) connects the water stop plate groups (2) on the two sides.
2. An undercut tunnel waterstop structure for protecting groundwater environment according to claim 1, wherein: one side of the sealing sleeve (31) is provided with a driving groove (312) along the length direction of the tunnel, the abutting sleeve (32) is connected with a driving block (4), the driving block (4) slides in the driving groove (312), and a driving assembly (5) for driving the two driving blocks (4) to be close to or far away from each other is connected in the driving groove (312).
3. An undercut tunnel waterstop structure for protecting groundwater environment according to claim 2, wherein: the driving assembly (5) comprises a compound screw rod (51), the axis of the compound screw rod (51) is parallel to the length direction of the tunnel, two driving thread sections with opposite thread turning directions are integrally formed on the compound screw rod (51), the driving thread sections correspond to the driving blocks (4) one by one, and the driving blocks (4) are in threaded connection with the driving thread sections.
4. An undercut tunnel waterstop structure for protecting groundwater environment according to claim 2, wherein: the driving groove (312) is rotatably connected with a sealing door (61), and the sealing door (61) is used for opening or closing the driving groove (312).
5. An undercut tunnel waterstop structure for protecting groundwater environment according to claim 1, wherein: the water stop plate group (2) comprises a first water stop plate (21) and a second water stop plate (22), the first water stop plate (21) is horizontally arranged and is provided with two water stop plates along the vertical direction, the second water stop plate (22) is vertically arranged and is relatively provided with two water stop plates, the first water stop plate (21) and the second water stop plate (22) are attached to the outer side wall of the tunnel lining structure (1), the top surface and the bottom surface of the second water stop plate (22) are respectively and fixedly connected with an inserted bar (23), and a slot (24) for the insertion bar (23) to be inserted is formed in the first water stop plate (21).
6. An undercut tunnel waterstop structure for protecting groundwater environment according to claim 5, wherein: the inserted bar (23) and the slot (24) are both dovetail type.
7. An undercut tunnel waterstop structure for protecting groundwater environment according to claim 1, wherein: the outer side laminating of stagnant water group (2) has waterproof board group (7), and waterproof board group (7) include first waterproof board (71), second waterproof board (72), and first waterproof board (71) are the level and set up and be equipped with two relatively, and second waterproof board (72) are vertical setting and be equipped with two relatively.
8. An undercut tunnel waterstop structure for protecting groundwater environment according to claim 7, wherein: the outer side of the waterproof plate group (7) is attached with a geotextile layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110592409.7A CN113339018A (en) | 2021-05-28 | 2021-05-28 | A undercut tunnel stagnant water structure for protecting groundwater environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110592409.7A CN113339018A (en) | 2021-05-28 | 2021-05-28 | A undercut tunnel stagnant water structure for protecting groundwater environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113339018A true CN113339018A (en) | 2021-09-03 |
Family
ID=77471968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110592409.7A Pending CN113339018A (en) | 2021-05-28 | 2021-05-28 | A undercut tunnel stagnant water structure for protecting groundwater environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113339018A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5704657A (en) * | 1994-12-12 | 1998-01-06 | Seibu Polymer Kasei Kabushiki Kaisha | Flexible joint for a culvert |
| JP2000120395A (en) * | 1998-10-19 | 2000-04-25 | Shimizu Corp | Water-stopping structure of shield tunnel and construction method thereof |
| JP2006090100A (en) * | 2004-09-27 | 2006-04-06 | Taisei Corp | Cut-off structure and underground structure equipped with the same |
| CN202832570U (en) * | 2012-08-22 | 2013-03-27 | 中铁二院工程集团有限责任公司 | Tunnel secondary lining construction joint waterproof structure |
| CN204098937U (en) * | 2014-06-20 | 2015-01-14 | 山西省交通科学研究院 | Tunnel deformation joint waterproof construction and constructing tunnel structure |
| CN106869970A (en) * | 2017-03-19 | 2017-06-20 | 北京工业大学 | A kind of bored tunnel method for protecting support of assembled compensation deformation |
| CN208619123U (en) * | 2018-08-04 | 2019-03-19 | 四川启创建设工程有限公司 | A kind of template for Tunnel Second Lining |
| CN210032570U (en) * | 2019-04-19 | 2020-02-07 | 湖北新远建筑科技有限公司 | Simple to operate's scalable aluminum alloy template |
| CN211172526U (en) * | 2019-10-26 | 2020-08-04 | 韶关市第一建筑工程有限公司 | Prefabricated assembled concrete shear force wall |
| CN111779503A (en) * | 2020-07-21 | 2020-10-16 | 中国铁路设计集团有限公司 | Triple baffling type partition waterproof structure of underground excavation tunnel |
-
2021
- 2021-05-28 CN CN202110592409.7A patent/CN113339018A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5704657A (en) * | 1994-12-12 | 1998-01-06 | Seibu Polymer Kasei Kabushiki Kaisha | Flexible joint for a culvert |
| JP2000120395A (en) * | 1998-10-19 | 2000-04-25 | Shimizu Corp | Water-stopping structure of shield tunnel and construction method thereof |
| JP2006090100A (en) * | 2004-09-27 | 2006-04-06 | Taisei Corp | Cut-off structure and underground structure equipped with the same |
| CN202832570U (en) * | 2012-08-22 | 2013-03-27 | 中铁二院工程集团有限责任公司 | Tunnel secondary lining construction joint waterproof structure |
| CN204098937U (en) * | 2014-06-20 | 2015-01-14 | 山西省交通科学研究院 | Tunnel deformation joint waterproof construction and constructing tunnel structure |
| CN106869970A (en) * | 2017-03-19 | 2017-06-20 | 北京工业大学 | A kind of bored tunnel method for protecting support of assembled compensation deformation |
| CN208619123U (en) * | 2018-08-04 | 2019-03-19 | 四川启创建设工程有限公司 | A kind of template for Tunnel Second Lining |
| CN210032570U (en) * | 2019-04-19 | 2020-02-07 | 湖北新远建筑科技有限公司 | Simple to operate's scalable aluminum alloy template |
| CN211172526U (en) * | 2019-10-26 | 2020-08-04 | 韶关市第一建筑工程有限公司 | Prefabricated assembled concrete shear force wall |
| CN111779503A (en) * | 2020-07-21 | 2020-10-16 | 中国铁路设计集团有限公司 | Triple baffling type partition waterproof structure of underground excavation tunnel |
Non-Patent Citations (1)
| Title |
|---|
| 肖明清;: "防水型复合式衬砌隧道的设计要点", 铁道工程学报, no. 08, 15 August 2008 (2008-08-15), pages 54 - 57 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206419020U (en) | A kind of auxiliary tool changing device for combined type earth pressure balanced shield, EPBS | |
| RU2368733C2 (en) | Method and device for construction of tunnel submerged to sea bottom ground | |
| CN103114857A (en) | Shield tunnel construction method | |
| CN1837506A (en) | Construction method for excavating box-shape structure over an operating tunnel | |
| CN104131821B (en) | A kind of shield tunnel plug-in conduit grooving structure and fixing means thereof | |
| CN104265314B (en) | The multiple degrees of freedom switching device of advanced rig in shield excavation machine | |
| CN113339018A (en) | A undercut tunnel stagnant water structure for protecting groundwater environment | |
| CN205422733U (en) | High side wall of large -span side hole is detained and is encircleed substation rank subway station supporting construction | |
| CN103306608B (en) | Drill bit and rig | |
| KR100521076B1 (en) | Panel protecting soil | |
| CN205876331U (en) | A dig native device for no -dig tunnel machine | |
| CN114233346B (en) | Temporary support device for tunnel tunneling | |
| CN105840206A (en) | Cutter head frame for tunnel digging machine | |
| CN104895100A (en) | Building dense region underground-space-building caisson construction method | |
| CN213419004U (en) | Grooving equipment for blasting of underground coal mining roadway | |
| CN109763826A (en) | A kind of broken pick machine of Frozen Rock and Soil | |
| CN208281642U (en) | A kind of external conduit and conduit mechanism | |
| CN112554783A (en) | Dry hole-forming drilling machine for construction in underground narrow space and construction method | |
| CN205876330U (en) | A mill planer head alignment jig for no -dig tunnel machine | |
| Singh | Design and analysis of a micro tunnel boring machines (TBM) | |
| CN114045842B (en) | Construction method of deep foundation pit steel sheet pile and anchor cable supporting system | |
| Holzhäuser et al. | Global Experience with Soft Ground and Weak Rock Tunneling under Very High Groundwater Heads | |
| Gollegger | Experience from TBM excavation obtained in the Follo Line Project | |
| JP4349570B2 (en) | Construction method of division box and underground level crossing | |
| Rudolf et al. | The Dulles Corridor Metrorail Project–Extension to Dulles International Airport and its Tunneling Aspects |
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 |