CN108533317A - A kind of tunnel bottom discharge structure - Google Patents
A kind of tunnel bottom discharge structure Download PDFInfo
- Publication number
- CN108533317A CN108533317A CN201810428067.3A CN201810428067A CN108533317A CN 108533317 A CN108533317 A CN 108533317A CN 201810428067 A CN201810428067 A CN 201810428067A CN 108533317 A CN108533317 A CN 108533317A
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- China
- Prior art keywords
- tunnel
- pipe
- tunnel bottom
- central drainage
- inverted arch
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000011435 rock Substances 0.000 claims abstract description 5
- 239000011380 pervious concrete Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- 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)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to a kind of tunnel bottom discharge structures, including lateral aqueduct, longitudinal aqueduct, longitudinal Permeable blind pipe, lateral sulcus and central drainage pipe, further include convex hull formula drain bar and tunnel bottom ripple blind pipe；The central drainage pipe is located on inverted arch, and tunnel bottom ripple blind pipe is located under inverted arch, and the tunnel bottom ripple blind pipe is connect with central drainage pipe by unilaterally connected pipe；The convex hull formula drain bar is arranged circumferentially, and the underground water of tunnel perimeter country rock introduces the lateral sulcus of tunnel both sides by the convex hull formula drain bar of tunnel perimeter, then introduces central drainage pipe discharge by lateral aqueduct；Inverted arch underground water below is introduced by the convex hull formula drain bar at inverted arch in the ripple blind pipe of tunnel bottom.Tunnel bottom ripple blind pipe of the present invention is connect with central drainage pipe by unilaterally connected pipe, so that the water pressure height of tunnel bottom structure is less than or equal to the height of unilaterally connected pipe, the uncertainty for eliminating tunnel structure water pressure load prevents tunnel bottom structure from occurring protuberance deformation under larger effect of water pressure.
Description
Technical field
The invention belongs to Tunnel Engineering fields, and in particular to a kind of tunnel bottom discharge structure.
Background technology
A large amount of tunnel bottoms disease that China railways tunnel occurs, including rise soil, tunnel bottom protuberance, tunnel bottom frost heave etc., cause
Cause of disease because one of be tunnel waterproof and water drainage system failure lead to tunnel bottom ponding.
In recent years, be designed with the railway tunnel bottom drainaging scheme of inverted arch by continuing to optimize and improveing, it is main comprising with
Under it is several：
(1) lateral sulcus only is set in tunnel both sides.In this scheme, lateral sulcus accepts what tunnel circumferential direction blind pipe collected with longitudinal blind pipe
Infiltration drains into tunnel outer.The program is only drained by lateral sulcus to outside tunnel, and drainage speed is limited, if tunnel superstructure seeps water
Amount is big, it is possible to cause sprawling of the water into tunnel, and tunnel inverted arch bottom ponding can not be by ejectment.Taizhongyin railway, north Huang
Rail segment tunnel uses such scheme.
(2) lateral sulcus, the centrally disposed drainpipe in tunnel is arranged in tunnel both sides, and central drainage pipe is placed in inverted arch fill concrete
It is interior.In this scheme, lateral sulcus accepts the infiltration that tunnel circumferential direction blind pipe and longitudinal blind pipe collect and a part is drained into tunnel outer, together
When be connected with central drainage pipe by PVC aqueducts, water is led into central drainage pipe and is drained into outside tunnel.The program can be by tunnel
Road superstructure infiltration smoothly discharge, but tunnel inverted arch bottom ponding cannot be by ejectment.Shanxi middle and south rail channel, cover west to
Central China rail channel part tunnel tunnel bottom uses such scheme.
(3) lateral sulcus, the centrally disposed drainpipe in tunnel is arranged in tunnel both sides, and central drainage pipe is placed in inverted arch structural base.This
In scheme, lateral sulcus accepts the infiltration that tunnel circumferential direction blind pipe and longitudinal blind pipe collect and a part is drained into tunnel outer, and lateral sulcus is logical
It crosses PVC aqueducts with central drainage pipe inspection shaft to be connected, water can be led in inspection shaft and tunnel is drained by central drainage pipe
Outside, it while being laid with Permeable blind pipe in inverted arch bottom and being connected in central drainage pipe inspection shaft, it can be by inverted arch bottom ponding and ring
To and longitudinal blind pipe part ponding be collected to inspection shaft and be discharged by central drainage pipe.The program can be by tunnel inverted arch bottom
The smooth ejectment of ponding, but in the preferable location of Grades of Surrounding Rock, tunnel bottom central drainage pipe foundation trench excavates difficulty, increases construction
Difficulty.Zhangjiakou to Huhehaote railway, Jilin to Hunchun railway engineering, nine visitor of force specially adopt in Ruichang to Jiujiang rail segment tunnel
With such scheme.
Invention content
For the above-mentioned technical problems in the prior art, the present invention provides a kind of tunnel bottom discharge structure, with
The water ballast(ing) for controlling tunnel bottom structure prevents tunnel bottom structure from protuberance deformation occurring under effect of water pressure.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of tunnel bottom discharge structure, including laterally lead
Water pipe, longitudinal aqueduct, longitudinal Permeable blind pipe, lateral sulcus and central drainage pipe, further include that convex hull formula drain bar and tunnel bottom ripple are blind
Pipe；The central drainage pipe is located on inverted arch, and tunnel bottom ripple blind pipe is located under inverted arch, the tunnel bottom ripple blind pipe and center
Drainpipe is connected by unilaterally connected pipe；
The convex hull formula drain bar is arranged circumferentially, and the underground water of tunnel perimeter country rock is drained by the convex hull formula of tunnel perimeter
Plate introduces the lateral sulcus of tunnel both sides, then introduces central drainage pipe discharge by lateral aqueduct；Inverted arch underground water below is logical
The convex hull formula drain bar crossed at inverted arch is introduced into the ripple blind pipe of tunnel bottom.
Further, the unilaterally connected pipe longitudinal pitch is 30~60m.
Further, the central drainage pipe periphery is filled using rubble or cobble, and tunnel bottom ripple blind pipe periphery is adopted
It is wrapped up with pervious concrete.
Further, the lateral aqueduct longitudinal pitch is 30m.
Beneficial effects of the present invention：By the way that unilaterally connected pipe is arranged so that the water pressure height of tunnel bottom structure is less than or equal to
The height of unilaterally connected pipe eliminates the uncertainty of tunnel structure water pressure load, prevents tunnel bottom structure in larger hydraulic pressure
Occurs protuberance deformation under force effect.In addition, the design of unilaterally connected pipe is simple, easy for construction, later stage operation maintenance cost is low.
Description of the drawings
Fig. 1 is a kind of tunnel bottom discharge structure schematic diagram involved by the embodiment of the present invention.
In figure：1, central drainage pipe；2, tunnel bottom ripple blind pipe；3, unilaterally connected pipe；4, convex hull formula drain bar；5, inverted arch；
6, ditch is surveyed；7, lateral aqueduct；8, longitudinal aqueduct；9, longitudinal Permeable blind pipe.
Specific implementation mode
In the following, specific embodiments of the present invention are described in detail in conjunction with attached drawing, but it is not as limiting to the invention.
Referring to Fig.1, a kind of tunnel bottom discharge structure, including lateral aqueduct 7, longitudinal aqueduct 8, longitudinal Permeable blind pipe
9, lateral sulcus 6, central drainage pipe 1, convex hull formula drain bar 4 and tunnel bottom ripple blind pipe 2；Wherein, convex hull formula drain bar 4 is arranged circumferentially；
Lateral aqueduct 7 is by longitudinal pitch 30m settings；Central drainage pipe 1 is located on inverted arch 5, and tunnel bottom ripple blind pipe 2 is located at inverted arch 5
Under, tunnel bottom ripple blind pipe 2 is connect with central drainage pipe 1 by unilaterally connected pipe 3；Unilaterally connected pipe 3 by longitudinal pitch 30~
60m is arranged, and preferably combines inspection shaft to be arranged, facilitates repair and maintenance.
Specifically, convex hull formula drain bar 4 is arranged circumferentially, convex hull formula that the underground water of tunnel perimeter country rock passes through tunnel perimeter
Drain bar 4 introduces the survey ditch 6 of tunnel both sides, and then introducing central drainage pipe 1 by lateral aqueduct 7 is discharged；Inverted arch 5 is below
Underground water is introduced by the convex hull formula drain bar 4 at inverted arch 5 in tunnel bottom ripple blind pipe 2；Unilaterally connected pipe 3 can be blind by tunnel bottom ripple
The underground water of pipe 2 introduces center gutter 1, is discharged outside tunnel by center gutter 1, while preventing the ground in center gutter 1
Lower water flows into tunnel bottom bellows 2.
Further, 1 periphery of central drainage pipe is filled using rubble or cobble, and ripple blind pipe 2 periphery in tunnel bottom is using permeable
Concrete wraps up, and is provided to improve water penetration here using rubble, cobble and pervious concrete, enables underground water free flow
It is dynamic, while the stability of central drainage pipe 1 and tunnel bottom ripple blind pipe 2 is improved, prevent sedimentation and deformation.
The design principle of unilaterally connected pipe：Tunnel central drainage pipe caliber is larger, and caliber need to meet tunnel maximum water burst
The requirement of amount, to ensure central drainage pipe as pressure free current, and tunnel bottom ripple blind pipe caliber is typically small, when tunnel bottom water pressure increases
When, tunnel bottom ripple blind pipe becomes pressure flow, when water pressure height increases to the height of unilaterally connected pipe, in the bellows of tunnel bottom
Water will flow into central drainage pipe.
Above example is only exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (4)
1. a kind of tunnel bottom discharge structure, including lateral aqueduct (7), longitudinal aqueduct (8), longitudinal Permeable blind pipe (9), side
Ditch (6) and central drainage pipe (1), which is characterized in that further include convex hull formula drain bar (4) and tunnel bottom ripple blind pipe (2)；In described
Heart drainpipe (1) is located on inverted arch (5), and tunnel bottom ripple blind pipe (2) is located under inverted arch (5), the tunnel bottom ripple blind pipe (2)
It is connect by unilaterally connected pipe (3) with central drainage pipe (1)；
The convex hull formula drain bar (4) is arranged circumferentially, and the underground water of tunnel perimeter country rock is drained by the convex hull formula of tunnel perimeter
Plate (4) introduces the lateral sulcus (6) of tunnel both sides, and then introducing central drainage pipe (1) by lateral aqueduct (7) is discharged；Inverted arch (5)
Underground water below is introduced by the convex hull formula drain bar (4) at inverted arch (5) in tunnel bottom ripple blind pipe (2).
2. a kind of tunnel bottom discharge structure according to claim 1, which is characterized in that the unilaterally connected pipe (3) is vertical
It is 30~60m to spacing.
3. a kind of tunnel bottom discharge structure according to claim 1, which is characterized in that central drainage pipe (1) week
Side is filled using rubble or cobble, and tunnel bottom ripple blind pipe (2) periphery is wrapped up using pervious concrete.
4. a kind of tunnel bottom discharge structure according to claim 1, which is characterized in that the transverse direction aqueduct (7) is vertical
It is 30m to spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428067.3A CN108533317A (en) | 2018-05-07 | 2018-05-07 | A kind of tunnel bottom discharge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428067.3A CN108533317A (en) | 2018-05-07 | 2018-05-07 | A kind of tunnel bottom discharge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108533317A true CN108533317A (en) | 2018-09-14 |
Family
ID=63476907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810428067.3A Pending CN108533317A (en) | 2018-05-07 | 2018-05-07 | A kind of tunnel bottom discharge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108533317A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724865A (en) * | 2019-02-26 | 2019-05-07 | 中铁二院工程集团有限责任公司 | Tunnel-liner water pressure monitoring STS system test set and test method |
| CN111719344A (en) * | 2020-06-30 | 2020-09-29 | 南阳理工学院 | Ballast bed water-proof and drainage structure |
| CN111794782A (en) * | 2020-07-08 | 2020-10-20 | 广州地铁设计研究院股份有限公司 | Tunnel track ballast bed water-drainage preventing structure and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863671A (en) * | 2016-06-12 | 2016-08-17 | 中铁二院工程集团有限责任公司 | Frame type low-position draining system tunnel lining structure |
| CN205895312U (en) * | 2016-05-16 | 2017-01-18 | 中铁第四勘察设计院集团有限公司 | Be used for rich irrigated land section tunnel water handling system |
| CN206530363U (en) * | 2016-08-30 | 2017-09-29 | 中铁二院工程集团有限责任公司 | One kind can the outer drainage system of maintenance type railway tunnel bottom structure |
| CN207297089U (en) * | 2017-08-24 | 2018-05-01 | 中铁二院工程集团有限责任公司 | A kind of new waterproof and water drainage system suitable for ballastless track bed tunnel inverted arch |
| CN208168937U (en) * | 2018-05-07 | 2018-11-30 | 中铁工程设计咨询集团有限公司 | A kind of tunnel bottom discharge structure |
-
2018
- 2018-05-07 CN CN201810428067.3A patent/CN108533317A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205895312U (en) * | 2016-05-16 | 2017-01-18 | 中铁第四勘察设计院集团有限公司 | Be used for rich irrigated land section tunnel water handling system |
| CN105863671A (en) * | 2016-06-12 | 2016-08-17 | 中铁二院工程集团有限责任公司 | Frame type low-position draining system tunnel lining structure |
| CN206530363U (en) * | 2016-08-30 | 2017-09-29 | 中铁二院工程集团有限责任公司 | One kind can the outer drainage system of maintenance type railway tunnel bottom structure |
| CN207297089U (en) * | 2017-08-24 | 2018-05-01 | 中铁二院工程集团有限责任公司 | A kind of new waterproof and water drainage system suitable for ballastless track bed tunnel inverted arch |
| CN208168937U (en) * | 2018-05-07 | 2018-11-30 | 中铁工程设计咨询集团有限公司 | A kind of tunnel bottom discharge structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724865A (en) * | 2019-02-26 | 2019-05-07 | 中铁二院工程集团有限责任公司 | Tunnel-liner water pressure monitoring STS system test set and test method |
| CN109724865B (en) * | 2019-02-26 | 2023-09-22 | 中铁二院工程集团有限责任公司 | Tunnel lining water pressure monitoring system test device and test method |
| CN111719344A (en) * | 2020-06-30 | 2020-09-29 | 南阳理工学院 | Ballast bed water-proof and drainage structure |
| CN111794782A (en) * | 2020-07-08 | 2020-10-20 | 广州地铁设计研究院股份有限公司 | Tunnel track ballast bed water-drainage preventing structure and construction method thereof |
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