CN110953003A - Heat preservation vertical blind pipe used in highway tunnel in cold region - Google Patents
Heat preservation vertical blind pipe used in highway tunnel in cold region Download PDFInfo
- Publication number
- CN110953003A CN110953003A CN201911068869.9A CN201911068869A CN110953003A CN 110953003 A CN110953003 A CN 110953003A CN 201911068869 A CN201911068869 A CN 201911068869A CN 110953003 A CN110953003 A CN 110953003A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- heat
- blind pipe
- highway tunnel
- cold region
- 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
- 238000004321 preservation Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229920002635 polyurethane Polymers 0.000 claims abstract description 14
- 239000004814 polyurethane Substances 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000007710 freezing Methods 0.000 description 7
- 230000008014 freezing Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004746 geotextile Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000009467 reduction Effects 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a heat-preservation longitudinal blind pipe used in a highway tunnel in a cold region, which relates to the technical field of longitudinal blind pipes and comprises an inner sleeve, a rigid polyurethane heat-preservation layer and a filtering assembly, wherein the inner wall of the inner sleeve is provided with a hydrophobic coating, the outer side of the inner sleeve is provided with an outer sleeve, the rigid polyurethane heat-preservation layer is filled between the outer sleeve and the inner sleeve, one side of the outer sleeve is provided with a water inlet hole, the filtering assembly is arranged on the inner side of the water inlet hole, a geotechnical cloth layer is fixed on the outer side of the water inlet hole, the inner side of the inner sleeve is provided with a flow passage, the outer wall of the inner. The invention has the beneficial effects that: the device is convenient for improve the bulk strength of blind pipe through setting up to outer sheathed tube, and the material of its stereoplasm PVC can further provide higher compressive strength, and interior sheathed tube centre of symmetry coincides with the centre of symmetry of outer tube, the stable equipment between interior sleeve pipe and the outer tube of being convenient for.
Description
Technical Field
The invention relates to the technical field of longitudinal blind pipes, in particular to a heat-preservation longitudinal blind pipe used in a highway tunnel in a cold region.
Background
The longitudinal blind pipe has the function of guiding the water collected by the circumferential blind pipe from the tunnel lining to the transverse drain pipe and finally collecting the water to the central ditch until the water is discharged from the blind hole, and is an important component for preventing water and freezing in the tunnel and avoiding accumulated water frost heaving and freezing damage.
The existing plastic blind pipe can freeze accumulated ice or threaten other freezing damages in the tunnel lining construction and the tunnel operation process of a high and cold frozen soil area, so that the drainage performance is reduced, the plastic blind pipe is easy to become brittle under a low-temperature frozen soil environment, the environmental pressure caused by water freezing damage is easy to increase, the problems of deformation, damage and the like can occur after long-term use, and the waterproof and drainage effects are seriously influenced.
Disclosure of Invention
The invention aims to provide a heat-preservation longitudinal blind pipe used in a highway tunnel in a cold region, and aims to solve the problems that the plastic blind pipe provided in the background technology is likely to freeze and accumulate ice or threaten other freezing damage to cause the reduction of drainage performance, is easy to become brittle in a low-temperature frozen soil environment, is easy to be subjected to the increase of environmental pressure caused by water freezing damage, is likely to deform, damage and the like after being used for a long time, and seriously affects the waterproof and drainage effects in the tunnel lining construction and the tunnel operation process in a high and cold frozen soil region.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a vertical blind pipe of heat preservation that uses in cold district highway tunnel, includes interior sleeve pipe, rigid polyurethane heat preservation and filtering component, interior sheathed tube inner wall is provided with hydrophobic coating, and the interior sheathed tube outside installs the outer tube, the rigid polyurethane heat preservation is filled between outer tube and interior sleeve pipe, and one side of outer tube has seted up the inlet opening, filtering component installs in the inboard of inlet opening, and the outside of inlet opening is fixed with geotechnological cloth layer, interior sheathed tube inboard is provided with the runner, and the winding of interior sheathed tube outer wall has the steel wire winding, fixed subassembly is installed in the outside of outer tube.
Preferably, the symmetry center of the inner sleeve coincides with the symmetry center of the outer sleeve, and the gap between the inner sleeve and the outer sleeve is in a communicating structure.
Preferably, the inlet openings are provided with three groups, and the inlet openings are equidistantly distributed on one side of the outer sleeve.
Preferably, filtering component is including rack frame, filter screen, sand grip and bolt, the internally mounted of rack frame has the filter screen, and one side of rack frame is fixed with the sand grip, be fixed connection between sand grip and the rack frame, and the sand grip passes through the bolt and fixes mutually with the inner wall of inlet opening.
Preferably, the lateral surface of net frame closely laminates with the medial surface of inlet opening, and constitutes detachable construction between the inner wall of bolt and inlet opening through net frame and sand grip.
Preferably, fixed subassembly is including mount, fixed plate, loose axle, elasticity glue film and expanding spring, the both ends welding of mount has the fixed plate, and the middle part of mount is provided with the loose axle, the elasticity glue film is pasted to the inboard of mount, and the internally mounted of elasticity glue film has expanding spring.
Preferably, the left half ring and the right half ring of the fixing frame form a movable structure through a movable shaft, and the elastic glue layer on the inner side of the fixing frame is internally and uniformly distributed with the telescopic springs in a symmetrical shape.
The invention provides a heat-preservation longitudinal blind pipe used in a highway tunnel in a cold region, which has the following beneficial effects:
1. the invention is convenient for improving the overall strength of the blind pipe by arranging the outer sleeve, the hard PVC material can further provide higher compressive strength, the symmetric center of the inner sleeve is superposed with the symmetric center of the outer sleeve, the stable assembly between the inner sleeve and the outer sleeve is convenient, the gap between the inner sleeve and the outer sleeve is of a communicated structure, a hard polyurethane heat-insulating layer is filled between the inner sleeve and the outer sleeve without dead angles, and the outer sleeve, the inner sleeve and the hard polyurethane heat-insulating layer are matched for use, so that the heat-insulating effect on the inner sleeve is achieved, and the condition that the freezing cannot drain water due to the poor heat-insulating effect of the inner sleeve is avoided.
2. According to the invention, through the arrangement of the polyurethane heat-insulating layer, the pipe wall is greatly thickened, the compressive strength of the blind pipe is obviously increased, the possible problems of deformation and damage of the drain pipe are effectively prevented, the qualified waterproof and drainage effect can be really achieved, and the structural strength of the blind pipe can be enhanced by the steel wire ring uniformly wound on the outer side of the inner sleeve.
3. The arrangement of the water inlet holes facilitates the drainage in the tunnel, the three groups of the water inlet holes facilitate the improvement of the efficiency of water inlet and drainage, and the water inlet holes are equidistantly distributed on one side of the outer sleeve to facilitate the uniform drainage on one side of the outer sleeve.
4. According to the invention, the filter component is arranged to facilitate filtering and anti-blocking of the water inlet, the outer side surface of the net frame is tightly attached to the inner side surface of the water inlet, so that a water source at the inlet of the water inlet is conveniently filtered through the filter screen in the net frame, the blockage of a flow channel caused by impurities such as sand entering the flow channel is prevented, the net frame and the raised lines form a detachable structure through bolts and the inner wall of the water inlet, and the disassembly and assembly of the net frame and the filter screen are conveniently realized through the bolts.
5. The blind pipe fixing device is convenient to install and fix a blind pipe by arranging the fixing frame, the left half ring and the right half ring of the fixing frame form a movable structure through the movable shaft, the left half ring and the right half ring of the fixing frame are convenient to rotate through the movable shaft during installation so as to be convenient to install on the outer side of the outer sleeve, the telescopic springs are uniformly distributed in the elastic glue layer on the inner side of the fixing frame in a symmetrical mode, a uniform elastic buffering effect can be achieved through the telescopic springs, and the pressure resistance of the inner sleeve and the.
Drawings
FIG. 1 is a schematic view of an internal cross-sectional structure of a heat-insulating longitudinal blind pipe used in a highway tunnel in a cold region;
FIG. 2 is a schematic view of a partially enlarged structure at the position A of a heat-insulating longitudinal blind pipe used in a highway tunnel in a cold region;
FIG. 3 is a schematic front view of a heat-insulating longitudinal blind pipe used in a highway tunnel in a cold region;
FIG. 4 is a schematic top view of a fixing assembly of a heat-insulating longitudinal blind pipe used in a highway tunnel in a cold region;
in the figure: 1. an inner sleeve; 2. a hydrophobic coating; 3. a hard polyurethane heat-insulating layer; 4. an outer sleeve; 5. a geotextile layer; 6. a water inlet hole; 7. a flow channel; 8. a filter assembly; 801. a net frame; 802. a filter screen; 803. a convex strip; 804. a bolt; 9. a bead ring; 10. a fixing assembly; 1001. a fixed mount; 1002. a fixing plate; 1003. a movable shaft; 1004. an elastic glue layer; 1005. a telescoping spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides a technical solution: a heat-preservation longitudinal blind pipe used in a highway tunnel in a cold region comprises an inner sleeve 1, a hydrophobic coating 2, a hard polyurethane heat-preservation layer 3, an outer sleeve 4, a geotextile layer 5, a water inlet hole 6, a flow channel 7, a filtering assembly 8, a net rack frame 801, a filter screen 802, a raised line 803, a bolt 804, a steel wire ring 9, a fixing assembly 10, a fixing frame 1001, a fixing plate 1002, a movable shaft 1003, an elastic rubber layer 1004 and a telescopic spring 1005, wherein the hydrophobic coating 2 is arranged on the inner wall of the inner sleeve 1, and the outer sleeve 4 is arranged on the outer side of the inner sleeve;
the symmetry center of the inner sleeve 1 coincides with the symmetry center of the outer sleeve 4, a gap between the inner sleeve 1 and the outer sleeve 4 of the inner sleeve 1 and a gap between the outer sleeve 4 and the outer sleeve 4 are of a communicated structure, the symmetry center of the inner sleeve 1 coincides with the symmetry center of the outer sleeve 4 to facilitate stable assembly between the inner sleeve 1 and the outer sleeve 4, and the gap between the inner sleeve 1 and the outer sleeve 4 is of a communicated structure to facilitate filling of a hard polyurethane heat-insulating layer 3 without dead angle between the inner sleeve 1 and the outer sleeve 4, so that the inner sleeve 1 is heat-insulated, and the condition that icing cannot be drained due to poor heat-insulating effect of;
the hard polyurethane heat-insulating layer 3 is filled between the outer sleeve 4 and the inner sleeve 1, one side of the outer sleeve 4 is provided with three groups of water inlet holes 6, the water inlet holes 6 are equidistantly distributed on one side of the outer sleeve 4, the three groups of water inlet holes 6 are arranged to facilitate the improvement of the efficiency of water inlet and drainage, and the water inlet holes 6 are equidistantly distributed on one side of the outer sleeve 4 to facilitate the uniform drainage of one side of the outer sleeve 4;
the filtering component 8 is arranged on the inner side of the water inlet 6, the geotechnical cloth layer 5 is fixed on the outer side of the water inlet 6, the filtering component 8 comprises a net rack frame 801, a filtering net 802, a convex strip 803 and a bolt 804, the filtering net 802 is arranged in the net rack frame 801, the convex strip 803 is fixed on one side of the net rack frame 801, the convex strip 803 is fixedly connected with the net rack frame 801, and the convex strip 803 is fixed with the inner wall of the water inlet 6 through the bolt 804;
the outer side surface of the net frame 801 is tightly attached to the inner side surface of the water inlet hole 6, the net frame 801 and the raised strips 803 form a detachable structure through the bolts 804 and the inner wall of the water inlet hole 6, the outer side surface of the net frame 801 is tightly attached to the inner side surface of the water inlet hole 6, so that a water source at the inlet of the water inlet hole 6 is filtered through the filter screen 802 inside the net frame 801, the blockage of the flow channel 7 caused by impurities such as sand entering the inside of the flow channel 7 is prevented, and the net frame 801 and the raised strips 803 form a detachable structure through the bolts 804 and the inner wall of the water inlet hole 6, so that the net frame 801 and the filter screen 802 can be detached through;
the inner side of the inner sleeve 1 is provided with a flow channel 7, the outer wall of the inner sleeve 1 is wound with a steel wire ring 9, the outer side of the outer sleeve 4 is provided with a fixing assembly 10, the fixing assembly 10 comprises a fixing frame 1001, a fixing plate 1002, a movable shaft 1003, an elastic glue layer 1004 and a telescopic spring 1005, the fixing plate 1002 is welded at two ends of the fixing frame 1001, the movable shaft 1003 is arranged in the middle of the fixing frame 1001, the elastic glue layer 1004 is pasted on the inner side of the fixing frame 1001, and the telescopic spring 1005 is installed inside the elastic glue layer 1004;
the movable structure is formed by the left half ring and the right half ring of the fixing frame 1001 through the movable shaft 1003, the telescopic springs 1005 are symmetrically distributed inside the elastic glue layer 1004 on the inner side of the fixing frame 1001, the movable structure is formed by the left half ring and the right half ring of the fixing frame 1001 through the movable shaft 1003 when the fixing frame 1001 is installed conveniently, the left half ring and the right half ring of the fixing frame 1001 are installed outside the outer sleeve 4 conveniently through the movable shaft 1003, the telescopic springs 1005 are symmetrically distributed inside the elastic glue layer 1004 on the inner side of the fixing frame 1001, the elastic cushioning effect can be achieved through the telescopic springs 1005, and the pressure resistance of the inner.
In conclusion, when the heat-insulating longitudinal blind pipe used in the highway tunnel in the cold region is used, the steel wire ring 9 can be uniformly wound on the outer side of the inner sleeve 1, the outer sleeve 4 is sleeved on the outer side of the inner sleeve 1, the hard polyurethane heat-insulating layer 3 is filled between the inner sleeve 1 and the outer sleeve 4, one side of the outer sleeve 4 and one side of the inner sleeve 1 are provided with the water inlet holes 6, the inner side of the water inlet holes 6 is provided with the filter component 8 through the bolts 804, the raised strips 803 on the outer side of the net frame 801 are fixed with the inner wall of the water inlet holes 6 through the bolts 804, the outer side of the water inlet holes 6 is fixed with the geotechnical cloth layer 5, in the process of installing the blind pipe, the left half ring and the right half ring of the fixing frame 1001 can be rotated through the movable shaft 1003 so as to install the fixing frame 1001 on the outer side, in the in-process of using, the inside moisture in tunnel enters into inlet opening 6 through geotechnological cloth layer 5, geotechnological cloth layer 5 has the water absorption and the water permeability and is convenient for the water through of rivers, and can block the grit, then filter the water source of inlet opening 6 import departments once more of filter screen 802 of 6 inboards in water hole, prevent that the inside of runner 7 from getting into the jam that impurity such as grit caused runner 7, finally draw forth ponding through runner 7, accomplish the use of the vertical blind pipe of heat preservation that uses in the whole cold district highway tunnel like this.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a vertical blind pipe of heat preservation that uses in cold district highway tunnel, includes interior sleeve pipe (1), rigid polyurethane heat preservation (3) and filtering component (8), its characterized in that: the inner wall of interior sleeve pipe (1) is provided with hydrophobic coating (2), and installs outer tube (4) in the outside of interior sleeve pipe (1), rigid polyurethane heat preservation (3) are filled between outer tube (4) and interior sleeve pipe (1), and inlet opening (6) have been seted up to one side of outer tube (4), install in the inboard of inlet opening (6) filtering component (8), and the outside of inlet opening (6) is fixed with geotechnological cloth layer (5), the inboard of interior sleeve pipe (1) is provided with runner (7), and the outer wall winding of interior sleeve pipe (1) has steel wire winding (9), fixed subassembly (10) are installed in the outside of outer tube (4).
2. The heat-insulating longitudinal blind pipe used in the cold region highway tunnel according to claim 1, wherein: the symmetry center of the inner sleeve (1) is superposed with the symmetry center of the outer sleeve (4), and the gap between the inner sleeve (1) and the outer sleeve (4) is of a communicated structure.
3. The heat-insulating longitudinal blind pipe used in the cold region highway tunnel according to claim 1, wherein: the water inlet holes (6) are provided with three groups, and the water inlet holes (6) are distributed on one side of the outer sleeve (4) in an equal distance mode.
4. The heat-insulating longitudinal blind pipe used in the cold region highway tunnel according to claim 1, wherein: filter component (8) is including net rack frame (801), filter screen (802), sand grip (803) and bolt (804), the internally mounted of net rack frame (801) has filter screen (802), and one side of net rack frame (801) is fixed with sand grip (803), be fixed connection between sand grip (803) and net rack frame (801), and sand grip (803) are fixed mutually through the inner wall of bolt (804) with inlet opening (6).
5. The heat-preservation longitudinal blind pipe used in the cold region highway tunnel according to claim 4, wherein: the lateral surface of net rack frame (801) closely laminates with the medial surface of inlet opening (6), and constitutes detachable construction between the inner wall of bolt (804) and inlet opening (6) with sand grip (803) net rack frame (801).
6. The heat-insulating longitudinal blind pipe used in the cold region highway tunnel according to claim 1, wherein: fixed subassembly (10) including mount (1001), fixed plate (1002), loose axle (1003), elasticity glue film (1004) and expanding spring (1005), the both ends welding of mount (1001) has fixed plate (1002), and the middle part of mount (1001) is provided with loose axle (1003), elasticity glue film (1004) is pasted to the inboard of mount (1001), and the internally mounted of elasticity glue film (1004) has expanding spring (1005).
7. The heat-preservation longitudinal blind pipe used in the cold region highway tunnel according to claim 6, wherein: the left half ring and the right half ring of the fixed frame (1001) form a movable structure through a movable shaft (1003), and the elastic rubber layer (1004) on the inner side of the fixed frame (1001) is internally and uniformly distributed with the extension springs (1005) in a symmetrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911068869.9A CN110953003A (en) | 2019-11-05 | 2019-11-05 | Heat preservation vertical blind pipe used in highway tunnel in cold region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911068869.9A CN110953003A (en) | 2019-11-05 | 2019-11-05 | Heat preservation vertical blind pipe used in highway tunnel in cold region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110953003A true CN110953003A (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911068869.9A Pending CN110953003A (en) | 2019-11-05 | 2019-11-05 | Heat preservation vertical blind pipe used in highway tunnel in cold region |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110953003A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879050A (en) * | 2021-02-10 | 2021-06-01 | 中国电建集团成都勘测设计研究院有限公司 | Waterproof structure of drainage type tunnel primary support system and construction method thereof |
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| CN104533469A (en) * | 2014-12-30 | 2015-04-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and device for solving water seepage and leakage of lining surface of underground cavern |
| CN205918434U (en) * | 2016-08-01 | 2017-02-01 | 宜城大瑾实业有限公司 | Cold region tunnel heat preservation blind pipe |
| CN106704733A (en) * | 2017-01-23 | 2017-05-24 | 中国铁道科学研究院铁道建筑研究所 | Drainage blind pipe and assembly thereof |
| CN206376897U (en) * | 2016-12-24 | 2017-08-04 | 中铁十八局集团有限公司 | A kind of anti-tunnel frost discharge structure of extremely frigid zones |
| CN207049441U (en) * | 2017-06-03 | 2018-02-27 | 张丽云 | A kind of draining fixing device for tube |
| CN209261622U (en) * | 2018-11-21 | 2019-08-16 | 陕西交通公路设计研究院有限公司 | A kind of tunnel-liner discharge structure |
-
2019
- 2019-11-05 CN CN201911068869.9A patent/CN110953003A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104533469A (en) * | 2014-12-30 | 2015-04-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and device for solving water seepage and leakage of lining surface of underground cavern |
| CN205918434U (en) * | 2016-08-01 | 2017-02-01 | 宜城大瑾实业有限公司 | Cold region tunnel heat preservation blind pipe |
| CN206376897U (en) * | 2016-12-24 | 2017-08-04 | 中铁十八局集团有限公司 | A kind of anti-tunnel frost discharge structure of extremely frigid zones |
| CN106704733A (en) * | 2017-01-23 | 2017-05-24 | 中国铁道科学研究院铁道建筑研究所 | Drainage blind pipe and assembly thereof |
| CN207049441U (en) * | 2017-06-03 | 2018-02-27 | 张丽云 | A kind of draining fixing device for tube |
| CN209261622U (en) * | 2018-11-21 | 2019-08-16 | 陕西交通公路设计研究院有限公司 | A kind of tunnel-liner discharge structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879050A (en) * | 2021-02-10 | 2021-06-01 | 中国电建集团成都勘测设计研究院有限公司 | Waterproof structure of drainage type tunnel primary support system and construction method thereof |
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Application publication date: 20200403 |