CN202690131U - Tunnel water discharging system penetrating through long-lasting frozen soil areas and non-frozen soil areas - Google Patents
Tunnel water discharging system penetrating through long-lasting frozen soil areas and non-frozen soil areas Download PDFInfo
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- CN202690131U CN202690131U CN 201220242115 CN201220242115U CN202690131U CN 202690131 U CN202690131 U CN 202690131U CN 201220242115 CN201220242115 CN 201220242115 CN 201220242115 U CN201220242115 U CN 201220242115U CN 202690131 U CN202690131 U CN 202690131U
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- 239000002689 soil Substances 0.000 title claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 230000000149 penetrating effect Effects 0.000 title abstract description 3
- 238000007599 discharging Methods 0.000 title abstract 9
- 230000005923 long-lasting effect Effects 0.000 title abstract 9
- 238000004321 preservation Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 20
- 238000009413 insulation Methods 0.000 abstract description 12
- 238000007710 freezing Methods 0.000 abstract description 5
- 230000008014 freezing Effects 0.000 abstract description 4
- 230000008018 melting Effects 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 abstract 3
- 239000002356 single layer Substances 0.000 abstract 1
- 238000009412 basement excavation Methods 0.000 description 12
- 239000000155 melt Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000010257 thawing Methods 0.000 description 4
- 239000012467 final product Substances 0.000 description 2
- 230000009746 freeze damage Effects 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to a tunnel water discharging system penetrating through long-lasting frozen soil areas and non-frozen soil areas. A cold-proof water discharging hole is arranged under a long-lasting frozen soil section tunnel, the construction disturbance of the cold-proof water discharging hole enables the long-lasting frozen soil to be melted, a stratum is melted to collapse and frosted to be heaved, and safety of the whole tunnel structure is influenced. A single-layer thermal-insulation layer is arranged on the connection portion of the long-lasting frozen soil section and the non-frozen soil section for preventing freezing, and a central deeply-embedded water ditch or the cold-proof water discharging hole are further arranged for discharging water; an inner thermal-insulation layer and an outer thermal-insulation layer are arranged on the long-lasting frozen soil section for preventing freezing and melting, and double-side thermal-insulation side ditches are arranged. A water guiding hole is arranged on the junction of the long-lasting frozen soil section and the non-frozen soil section to guide underground water in the hole in the long-lasting frozen soil section into the cold-proof water discharging hole under the tunnel to be guided out of the hole, so that no water discharging facility needs to be arranged under the long-lasting frozen soil tunnel, influence on safety of the main hole structure and on construction progress caused by construction of the water discharging hole is reduced, the initial state of the frozen soil is protected simultaneously, and stability of the tunnel structure is facilitated.
Description
Technical field
The utility model relates to a kind of tunnel drainage system, is specifically related to a kind of tunnel drainage system that passes through Permafrost Area and non-permafrost region.
Background technology
Tunnel in cold area freeze injury phenomenon is generally more serious, often causes in the tunnel icy on roadly, forms icicle, liner structure destroys even scraps, have a strong impact on normal operation and the safety in tunnel, and water is the root that tunnel in cold area produces freeze injury, must resolves the drainage problem of tunnel in cold area.When the tunnel not only passes through Permafrost Area but also passes through non-permafrost region, be a most complicated class tunnel, should protect ever-frozen ground in the ever-frozen ground section, be not melted, prevent the unfreezing of seasonally thaw layer; Answer heat-preserving anti-freezing in non-frozen soil section, prevent the frozen and unfreezing of country rock, prevent Groundwater infiltration.The key in this type of tunnel is if drainage system is unimpeded, prevents percolating water and prevent from freezing dead season, prevents from that the warm season ever-frozen ground from melting thaw collapse occurs.
In order to get rid of smoothly the underground water of tunnel in cold area, prevent that underground water from freezing, generally below the maximum frozen depth of tunnel location, build buried Central drain or winter protection drain cavern, utilize ground temperature to reach and make the uncongealable purpose of current.When the tunnel not only passes through Permafrost Area but also passes through non-permafrost region, then need under the non-frozen soil section in tunnel, build buried Central drain or winter protection drain cavern.For guaranteeing the drainage grade of tunnel drainage ditch (hole), need under ever-frozen ground section tunnel, to build winter protection drain cavern or buried Central drain, be connected with the buried Central drain of non-ever-frozen ground section, underground water is drained into outside the hole.The problem that above arrangement of Drainage mode exists is: the winter protection drain cavern of at first building under tunnel ever-frozen ground section or buried Central drain, construction disturbance can become a thermal source, the frozen soil of Permafrost Area is melted, may cause stratum thaw collapse distortion, bring safely impact for the overall structure in tunnel; Second, when winter protection drain cavern and buried Central drain directly pass through Permafrost Area, need to adopt corresponding heat insulation measure to prevent that current are frozen and prevent that frozen soil melts on every side, if deal with improperly, can cause winter current to freeze, lose drain function; Summer occurs the current seepage and can make drain cavern ever-frozen ground thawing on every side, form and melt circle, may make the basic generation of lining cutting differential settlement; The 3rd, when building the winter protection drain cavern in Permafrost Area bottom, tunnel, if the winter protection drain cavern is in advance, because its section is little, construction speed is slow, can affect the excavation progress in main hole, and if main hole in advance, build again the winter protection drain cavern, then can affect the structural safety in main hole.
The utility model content
The purpose of this utility model is the weak point of building drain cavern in order to solve Permafrost Area, provide a kind of Permafrost Area that can adapt to be connected transitional region with non-permafrost region, the tunnel drainage system that passes through Permafrost Area and non-permafrost region of avoiding tunnel drainage system to freeze.
The technical scheme that the utility model adopts is:
A kind of tunnel drainage system that passes through Permafrost Area and non-permafrost region is characterized in that:
Described tunnel drainage system is divided into ever-frozen ground section and non-frozen soil section;
The left and right line in described non-frozen soil section tunnel is provided with the circle draining blind pipe of laying along the tunnel hoop separately, the access of circle draining blind pipe is positioned at the longitudinal drainage blind pipe of tunnel arch springing, and the longitudinal drainage blind pipe is positioned at the buried Central drain of tunnel road surface bottom center position by horizontal aqueduct access;
Two buried Central drains of the left and right line in described tunnel the intersection of non-frozen soil section and ever-frozen ground section by the access of water guide hole between left tunnel, right line in the winter protection drain cavern below the maximum frozen depth of center;
The left and right line in the tunnel of described ever-frozen ground section is provided with the circle draining blind pipe of laying along the tunnel hoop separately, the access of circle draining blind pipe is positioned at the longitudinal drainage blind pipe of tunnel arch springing, and the longitudinal drainage blind pipe is arranged in the heat preservation ditch of tunnel road surface both sides by horizontal aqueduct access.
When the intersection in tunnel ever-frozen ground Duan Yufei frozen soil section has than via the short outlet of hole ejectment the time, the winter protection drain cavern directly causes the massif surface from this.
When the left and right distance between centers of tracks in tunnel was larger, the winter protection drain cavern from the intersection of ever-frozen ground section and non-frozen soil section, passed the ever-frozen ground section and guides to outside the Tunnel below place's maximum frozen depth in the middle of the left and right line in tunnel;
When the left and right distance between centers of tracks in tunnel hour, the winter protection drain cavern from the intersection of ever-frozen ground section and non-frozen soil section, passes the ever-frozen ground section and guides to outside the Tunnel below the maximum frozen depth of a distance, the outside of left line or right line;
When being single-track tunnel, the winter protection drain cavern from the intersection of ever-frozen ground section and non-frozen soil section, passes the ever-frozen ground section and guides to outside the Tunnel below the maximum frozen depth of a distance, the tunnel axis outside.
In the transition region of ever-frozen ground and the formation of non-frozen soil section, buried Central drain can be by in the one or multi-channel water guide hole access winter protection drain cavern.
The utlity model has following advantage and effect:
The utility model side in the middle of the left and right line in tunnel or outside the axis arranges the winter protection drain cavern; cause outside the hole without the ever-frozen ground section at the underground water of ever-frozen ground Duan Yufei frozen soil section intersection with non-ever-frozen ground section; thereby not needing increases any drainage in bottom, ever-frozen ground section tunnel; reduced greatly the impact of drainage construction on main hole structural safety and construction speed; protect simultaneously the reset condition of ever-frozen ground, be conducive to the long-term stability of tunnel structure.In addition, the drainage of two tunnel frozen soil pars infrasegmentalises can also be saved construction investment about substituting with a winter protection drain cavern.When tunnel ever-frozen ground Duan Yufei frozen soil section intersection has than the surperficial outlet of the massif of lacking from the hole draining, can directly the underground water in the buried Central drain be caused a side outlet by the winter protection drain cavern, avoid the disturbance to below, tunnel ever-frozen ground, the protection ever-frozen ground prevents thaw collapse; Simultaneously, the arrangement of this drainage system neither can affect main hole construction speed, can not affect again main hole structural safety; In addition, the winter protection drain cavern be embedded in tunnel location country rock maximum frozen depth under, utilize ground temperature that current are not freezed, reach the unobstructed purpose of tunnel drainage, for some reference provides reference.
Four, description of drawings
Fig. 1 is tunnel ever-frozen ground Duan Yufei frozen soil section drainage system longitudinal sectional drawing.
Fig. 2 is that the winter protection drain cavern is arranged in the drainage system lateral arrangement sectional drawing between the line of the left and right sides, tunnel.
Fig. 3 is that the winter protection drain cavern is arranged in the drainage system layout plan of appearing in advance between the line of the left and right sides, tunnel.
Fig. 4 is that the winter protection drain cavern is arranged between the line of the left and right sides, tunnel from the hole side drainage system layout plan of appearing.
Fig. 5 is the drainage system lateral arrangement sectional drawing that the winter protection drain cavern is arranged in Tunnel Right Line or the outer side of left line.
Fig. 6 is that the winter protection drain cavern is arranged in Tunnel Right Line or the left line one side drainage system longitudinal sectional drawing of appearing in advance.
Fig. 7 is that the winter protection drain cavern is arranged in Tunnel Right Line or left line one side from the hole side drainage system layout plan of appearing.
Fig. 8 is tunnel ever-frozen ground section drainage system lateral arrangement sectional drawing.
Fig. 9 is tunnel non-frozen soil section drainage system lateral arrangement sectional drawing.
Among the figure, 1-longitudinal drainage pipe, the horizontal aqueduct of 2-, the buried Central drain of 3-, 4-circle draining blind pipe, 5-winter protection drain cavern, 6-water guide hole, 7-tunnel ever-frozen ground section, the non-frozen soil section in 8-tunnel, master hole, 9-tunnel, 10-heat preservation ditch, 11-insulating.
Five, the specific embodiment
Below in conjunction with the specific embodiment the utility model is described in detail.
The utility model provides a kind of tunnel in cold area drainage system that passes through Permafrost Area and non-permafrost region, can reduce the disturbance to ever-frozen ground, prevent that ever-frozen ground from melting, guarantee the general safety of tunnel structure, avoid the tunnel in cold area drainage system to freeze, guarantee the smooth and easy discharge of underground water, provide safeguard for the normal operation in tunnel simultaneously.
The basic functional principle of this system is to make the bye wash of tunnel ever-frozen ground Duan Yufei frozen soil section separate, reduces that the construction of winter protection drain cavern destroys the disturbance of ever-frozen ground and on the impact of tunnel structure safety and construction speed.The non-frozen soil section in the tunnel, circle draining blind pipe and longitudinal drainage pipe interconnect, and by horizontal aqueduct lining cutting water behind being caused the center Deeply buried ditch, the center Deeply buried ditch is embedded under the maximum frozen depth of tunnel location, utilizes ground temperature to reach and makes the uncongealable purpose of current; In tunnel ever-frozen ground section, circle draining blind pipe and longitudinal drainage pipe interconnect, and by horizontal aqueduct a small amount of underground water that ever-frozen ground melts generation are caused outside the heat preservation ditch discharge hole; At ever-frozen ground Duan Yufei frozen soil section intersection, according to factors such as the left and right distance between centers of tracks in tunnel, landform, landforms, being divided into two kinds of situations causes the underground water of non-ever-frozen ground section outside the hole without the winter protection drain cavern under the ever-frozen ground section tunnel: the one, at tunnel ever-frozen ground and non-frozen soil section intersection, directly the underground water in the buried Central drain is drained into outside the side massif by the winter protection drain cavern and (to see Fig. 2, Fig. 3, Fig. 5, Fig. 6), appear ahead of time; The 2nd, by the water guide hole be pooled to the underground water in the buried Central drain of the left and right sides, tunnel line in the middle of the left and right sides line or the winter protection drain cavern of tunnel axis one side in outside the tunnel axis direction is discharged the hole (seeing Fig. 1, Fig. 2, Fig. 4, Fig. 5, Fig. 7).Tunnel ever-frozen ground section arrangement of Drainage is seen Fig. 8, and non-frozen soil section arrangement of Drainage is seen Fig. 9.
The concrete arrangement of a kind of tunnel drainage system that passes through Permafrost Area and non-permafrost region described in the utility model is as follows:
Tunnel drainage system is divided into non-frozen soil section and ever-frozen ground section: the left and right line in the tunnel of non-frozen soil section is provided with the circle draining blind pipe 4 of laying along the tunnel hoop separately, 4 accesses of circle draining blind pipe are positioned at the longitudinal drainage pipe 1 of tunnel arch springing, and longitudinal drainage pipe 1 is positioned at the buried Central drain 3 of tunnel road surface below by horizontal aqueduct 2 accesses; Two buried Central drains 3 of the left and right line in tunnel the intersection of non-frozen soil section and ever-frozen ground section by 6 accesses of water guide hole between left tunnel, right line in the winter protection drain cavern 5 below the center position maximum frozen depth; The left and right line in ever-frozen ground section tunnel is provided with the circle draining blind pipe 4 of laying along the tunnel hoop separately, 4 accesses of circle draining blind pipe are positioned at the longitudinal drainage pipe 1 of tunnel arch springing, and longitudinal drainage pipe 1 is positioned at the heat preservation ditch 10 of tunnel road surface both sides by horizontal aqueduct 2 accesses.
When the intersection of tunnel ever-frozen ground Duan Yufei frozen soil section had than the surperficial outlet of the massif of lacking along the entrance orientations draining, winter protection drain cavern 5 was outside this draws massif.If non-frozen soil then only need make the buried depth of winter protection drain cavern 5 get final product greater than tunnel location maximum frozen depth, utilize ground temperature to avoid current frozen in the winter time, and need not to take again any Insulation.
When the left and right distance between centers of tracks in tunnel was larger, correct position was arranged winter protection drain cavern 5 between left and right line, the left and right line in ever-frozen ground section tunnel is positioned at outside the winter protection drain cavern 5 construction and excavation influence basins, to guarantee main hole structural safety; Tunnel left and right line ever-frozen ground section is positioned at outside the winter protection drain cavern 5 freeze thawing influence basins, melts with near ever-frozen ground avoiding main hole, produce the thaw collapse phenomenon.In addition, because the winter protection drain cavern 5 in the middle of the left and right line in tunnel directly passes ever-frozen ground, so should take suitable Insulation, freeze to avoid current, guarantee the unobstructed of drainage system.From ever-frozen ground Duan Yufei frozen soil section intersection, drain cavern heat-insulating water outlet place ends winter protection drain cavern 5 to tunnel portal along the tunnel axis direction.At left and right line lower disposed center, non-frozen soil section tunnel Deeply buried ditch 3, and link to each other with ring, longitudinal drainage blind pipe by horizontal water guide hole 6, at tunnel ever-frozen ground Duan Yufei frozen soil section intersection the water in the left and right line center Deeply buried ditch 3 is caused outside winter protection drain cavern 5 appears side by side through water guide hole 6.
When the left and right distance between centers of tracks in tunnel hour, according to landform, geological conditions and outlet hillside situation, lay winter protection drain cavern 5 in left tunnel line or right line outside correct position, tunnel left and right line ever-frozen ground section is positioned at outside winter protection drain cavern construction and excavation and the freeze thawing influence basin.In addition, should make the center Deeply buried ditch 3 of ever-frozen ground Duan Yufei frozen soil section intersection the shortest to the distance of winter protection drain cavern 5, to save construction investment.If the winter protection drain cavern is ever-frozen ground along tunnel axial direction institute penetrating ground, then should take suitable heat insulation measure to avoid current to freeze; If non-frozen soil then only need make the buried depth of winter protection drain cavern 5 get final product greater than tunnel location maximum frozen depth, utilize ground temperature to avoid current frozen in the winter time, and need not to take again Insulation.From ever-frozen ground Duan Yufei frozen soil section intersection, drain cavern heat-insulating water outlet place ends winter protection drain cavern 5 to tunnel portal along the tunnel axis direction.At left and right line lower disposed center, non-frozen soil section tunnel Deeply buried ditch 3, and link to each other with ring, longitudinal drainage blind pipe by transverse drain 2.At tunnel ever-frozen ground Duan Yufei frozen soil section intersection the water in the left and right line center Deeply buried ditch 3 is caused outside winter protection drain cavern 5 appears side by side through water guide hole 6.
Consider to be subjected to extraneous weather influence that ever-frozen ground and non-frozen soil boundary line can change; The tunnel open the operation after in the Various Seasonal hole thermal field can change, can form a transition region at ever-frozen ground and non-frozen soil section, become the seasonal frozen ground section, for above-mentioned situation, described buried Central drain 3 can be by in the 6 access winter protection drain caverns 5 of one or multi-channel water guide hole.
The construction of above-mentioned drainage system is realized by following steps:
Step 1: tunnel excavation is divided into ever-frozen ground Duan Yufei frozen soil section.Should be chosen in winter construction in the ever-frozen ground section, in line with the principle organizing construction of " protection of permafrost prevents from melting "; Carry out the Portal Section excavation non-winter and the time sunshade or sun-proof net should be set, prevent that the limit from facing upward sloping thaw settlement, top, hole frozen soil melts.Should be in line with the principle organizing construction of " heat insulation, prevent country rock freeze thawing " in the construction of non-frozen soil section.Behind the tunnel excavation, at first the country rock in the excavation scope is carried out pre-reinforcement, adopt mechanical equivalent of light excavation or weak Blasting Excavation, in time spray low-temperature concrete, the vertical steel arch frame of frame behind the excavation, set the preliminary bracing such as lock foot anchoring stock, deflection increases interim inverted arch when surpassing warning value.
Step 2: after inverted arch finish, lay ring direction drainpipe along the tunnel hoop at the preliminary bracing of ever-frozen ground section and two linings, the longitudinal drainage pipe is laid at the arch springing place, and is connected with heat preservation ditch by transverse drain.And then lay splash guard, insulation layer, apply at last two lining and lining cutting inner surface insulatings.
Step 3: select the installation position of winter protection drain cavern according to the left and right sides, tunnel distance between centers of tracks situation, begin to adopt from the hole hidden construction process by the design buried depth in the middle of the line of the left and right sides, tunnel or the side winter protection drain cavern of constructing, dig to for many years frozen soil and non-frozen soil section intersection.
Step 4: after non-frozen soil section was got out of a predicament or an embarrassing situation the end of a year or month, segmentation applied (or temporary enclosed) just inverted arch, center Deeply buried ditch at the bottom of the excavation tunnel, and pre-buried transverse drain is finished intermediate rest and is just propped up inverted arch after the ditch is buried underground, build two lining inverted arch.And then lay splash guard, insulation layer, apply at last two linings.In non-frozen soil section and the ever-frozen ground section of having a common boundary, apply the water guide hole and the center Deeply buried ditch joins, water guide hole and winter protection drain cavern join.
Step 5: when the massif landforms are had ready conditions when ever-frozen ground and non-frozen soil section intersection directly cause massif one side, then begin to excavate the winter protection drain cavern from exit, massif surface, when being excavated to ever-frozen ground and non-frozen soil intersection, applying aqueduct and be connected with buried Central drain;
Step 6: when tunnel excavation to non-frozen soil section, by projected depth and the size buried Central drain of constructing, the buried depth transverse drain is connected with the longitudinal drainage pipe at arch springing place, apply a just inverted arch, then the secondary lining inverted arch of constructing, lay splash guard and build secondary lining, lay secondary lining inner surface insulating.
Claims (4)
1. tunnel drainage system that passes through Permafrost Area and non-permafrost region is characterized in that:
Described tunnel drainage system is divided into ever-frozen ground section and non-frozen soil section;
The left and right line in described non-frozen soil section tunnel is provided with the circle draining blind pipe (4) of laying along the tunnel hoop separately, circle draining blind pipe (4) access is positioned at the longitudinal drainage blind pipe (1) of tunnel arch springing, and longitudinal drainage blind pipe (1) is positioned at the buried Central drain (3) of tunnel road surface bottom center position by horizontal aqueduct (2) access;
Two buried Central drains (3) of the left and right line in described tunnel the intersection of non-frozen soil section and ever-frozen ground section by water guide hole (6) access between left tunnel, right line in the winter protection drain cavern (5) below the maximum frozen depth of center;
The left and right line in the tunnel of described ever-frozen ground section is provided with the circle draining blind pipe (4) of laying along the tunnel hoop separately, circle draining blind pipe (4) access is positioned at the longitudinal drainage blind pipe (1) of tunnel arch springing, and longitudinal drainage blind pipe (1) is arranged in the heat preservation ditch (10) of tunnel road surface both sides by horizontal aqueduct (2) access.
2. a kind of tunnel drainage system that passes through Permafrost Area and non-permafrost region according to claim 1 is characterized in that:
When the intersection in tunnel ever-frozen ground Duan Yufei frozen soil section has than via the short outlet of hole ejectment the time, winter protection drain cavern (5) directly causes the massif surface from this.
3. a kind of tunnel drainage system that passes through Permafrost Area and non-permafrost region according to claim 1 and 2 is characterized in that:
When the left and right distance between centers of tracks in tunnel was larger, winter protection drain cavern (5) from the intersection of ever-frozen ground section and non-frozen soil section, passed the ever-frozen ground section and guides to outside the Tunnel below place's maximum frozen depth in the middle of the left and right line in tunnel;
When the left and right distance between centers of tracks in tunnel hour, winter protection drain cavern (5) from the intersection of ever-frozen ground section and non-frozen soil section, passes the ever-frozen ground section and guides to outside the Tunnel below the maximum frozen depth of a distance, the outside of left line or right line;
When being single-track tunnel, winter protection drain cavern (5) from the intersection of ever-frozen ground section and non-frozen soil section, passes the ever-frozen ground section and guides to outside the Tunnel below the maximum frozen depth of a distance, the tunnel axis outside.
4. a kind of tunnel drainage system that passes through Permafrost Area and non-permafrost region according to claim 3 is characterized in that:
In the transition region of ever-frozen ground and the formation of non-frozen soil section, buried Central drain (3) can be by in one or multi-channel water guide hole (6) the access winter protection drain cavern (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220242115 CN202690131U (en) | 2012-05-28 | 2012-05-28 | Tunnel water discharging system penetrating through long-lasting frozen soil areas and non-frozen soil areas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220242115 CN202690131U (en) | 2012-05-28 | 2012-05-28 | Tunnel water discharging system penetrating through long-lasting frozen soil areas and non-frozen soil areas |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678174A (en) * | 2012-05-28 | 2012-09-19 | 中交第一公路勘察设计研究院有限公司 | Tunnel drainage system passing through permafrost region and non-frozen ground region and arrangement method thereof |
| CN103397908A (en) * | 2013-07-30 | 2013-11-20 | 西南交通大学 | Buffering system for solving scarce drainage capability of central drainage ditch of tunnel and control method of buffering system |
| CN103867231A (en) * | 2014-03-31 | 2014-06-18 | 中铁第一勘察设计院集团有限公司 | Tunnel ditch insulation structure |
| CN104594946A (en) * | 2015-01-19 | 2015-05-06 | 中铁十八局集团有限公司 | Water-rich narrow tunnel water drainage structure under soft surrounding rock condition |
| CN107201908A (en) * | 2017-06-16 | 2017-09-26 | 中铁五局集团有限公司 | A kind of construction method of the regional buried Central drain in tunnel of bitter cold |
| CN108150219A (en) * | 2018-01-23 | 2018-06-12 | 中铁二院工程集团有限责任公司 | The ground water drainage system and its construction method of a kind of separate type double-hole tunnel |
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2012
- 2012-05-28 CN CN 201220242115 patent/CN202690131U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678174A (en) * | 2012-05-28 | 2012-09-19 | 中交第一公路勘察设计研究院有限公司 | Tunnel drainage system passing through permafrost region and non-frozen ground region and arrangement method thereof |
| CN102678174B (en) * | 2012-05-28 | 2015-03-18 | 中交第一公路勘察设计研究院有限公司 | Arrangement method of tunnel drainage system passing through permafrost region and non-frozen ground region |
| CN103397908A (en) * | 2013-07-30 | 2013-11-20 | 西南交通大学 | Buffering system for solving scarce drainage capability of central drainage ditch of tunnel and control method of buffering system |
| CN103397908B (en) * | 2013-07-30 | 2015-08-12 | 西南交通大学 | For solving buffer system and the control method of center, tunnel ditch water discharge scarce capacity |
| CN103867231A (en) * | 2014-03-31 | 2014-06-18 | 中铁第一勘察设计院集团有限公司 | Tunnel ditch insulation structure |
| CN104594946A (en) * | 2015-01-19 | 2015-05-06 | 中铁十八局集团有限公司 | Water-rich narrow tunnel water drainage structure under soft surrounding rock condition |
| CN107201908A (en) * | 2017-06-16 | 2017-09-26 | 中铁五局集团有限公司 | A kind of construction method of the regional buried Central drain in tunnel of bitter cold |
| CN107201908B (en) * | 2017-06-16 | 2023-10-31 | 中铁五局集团有限公司 | Construction method for deep-buried central ditch of tunnel in severe cold region |
| CN108150219A (en) * | 2018-01-23 | 2018-06-12 | 中铁二院工程集团有限责任公司 | The ground water drainage system and its construction method of a kind of separate type double-hole tunnel |
| CN108150219B (en) * | 2018-01-23 | 2019-12-03 | 中铁二院工程集团有限责任公司 | A kind of the ground water drainage system and its construction method of separate type double-hole tunnel |
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Granted publication date: 20130123 Termination date: 20210528 |