CN207454027U - A kind of expansive stratum tunnel drainage system - Google Patents
A kind of expansive stratum tunnel drainage system Download PDFInfo
- Publication number
- CN207454027U CN207454027U CN201721087944.2U CN201721087944U CN207454027U CN 207454027 U CN207454027 U CN 207454027U CN 201721087944 U CN201721087944 U CN 201721087944U CN 207454027 U CN207454027 U CN 207454027U
- Authority
- CN
- China
- Prior art keywords
- tunnel
- drainage system
- blind pipe
- reinforced concrete
- rectangular tube
- 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.)
- Active
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model is related to a kind of expansive stratum tunnel drainage system, including below the tunnel arch wall drainage system being made of circumferential blind pipe, longitudinal blind pipe, drain hole and lateral sulcus and inverted arch structure along the center sewer of the axial elongated setting in tunnel；Center sewer includes prefabricated reinforced concrete rectangular tube, and prefabricated reinforced concrete rectangular tube lower part is concrete cushion, and top is permeable layer, and prefabricated reinforced concrete rectangular tube top tube wall is provided with water seepage hole.The utility model optimizes traditional drainage system, eliminates the Central drain set in inverted arch filling, adds center sewer along tunnel is axially elongated below inverted arch structure, forms two mutually independent drainage systems, can effectively discharge tunnel perimeter（Including arch wall lining cutting behind and below inverted arch）The drainage system of underground water can effectively prevent expansive stratum long period of soaking and expand deformation in water, in turn result in the diseases such as Tunnel Base structure protuberance, cracking.
Description
Technical field
The utility model belongs to traffic engineering guarded drainage technical field, and in particular to a kind of expansive stratum tunnel drainage system
System.
Background technology
The drainage system of existing tunnel routine is made of circumferential blind pipe, longitudinal blind pipe, lateral sulcus, Central drain.Tunnel arch wall
Lining cutting behind ponding introduces lateral sulcus by blind pipe, and lateral sulcus is at a certain distance connected lateral sulcus and Central drain by pre-buried water pipe
It is logical, convenient for lateral sulcus water is introduced Central drain, finally arch wall lining cutting behind underground water is discharged outside hole by lateral sulcus and Central drain,
But there are the problem of be that underground water often can not be successfully discharge below inverted arch.In expansive stratum, if Tunnel Base stratum is long-term
It is impregnated by underground water, expansion stratum can generate very big expansive force, will bear directly against Tunnel Base, expansive force, which crosses senior general, to be caused
Tunnel inverted arch malformation increases, and is present with the diseases such as basement high, cracking under serious situation, expansive stratum it is uneven
Expansion will also cause tunnel differential settlement, seriously affect train operation safety, later period maintenance difficulty is big, of high cost.Therefore, grind
It is a urgency in expansive stratum tunnel construction to make the new drainage system that can smoothly discharge tunnel inverted arch bottom underground water
It need to solve the problems, such as.
The content of the invention
The purpose of this utility model is to provide a kind of expansive stratum tunnel drainage system, blind by circumferential blind pipe, longitudinal direction
On the basis of the conventional drainage systems of the compositions such as pipe, lateral sulcus, Central drain, further upgrading optimization, eliminates Central drain, is facing upward
Center sewer is additionally arranged below arch structure, suitable for expansive stratum tunnel.
Technical solution is used by the utility model：
A kind of expansive stratum tunnel drainage system, it is characterised in that：
Including the tunnel arch wall drainage system being made of circumferential blind pipe, longitudinal blind pipe, drain hole and lateral sulcus and inverted arch structure
Center sewer of the lower section along the axial elongated setting in tunnel.
Center sewer includes prefabricated reinforced concrete rectangular tube, and prefabricated reinforced concrete rectangular tube lower part is concrete mats
Layer, top is permeable layer, and prefabricated reinforced concrete rectangular tube top tube wall is provided with water seepage hole.
In tunnel arch wall drainage system, circumferential blind pipe is laid along preliminary bracing inner surface interval, and circumferential blind pipe bottom passes through
Threeway accesses longitudinal blind pipe that abutment wall foundation is axially laid in along tunnel, and longitudinal blind pipe accesses longitudinally through setting by drain hole
Lateral sulcus in both sides in tunnel-liner.
The segmentation of prefabricated reinforced concrete rectangular tube is prefabricated, is connected using tongue and groove rigid joint form.
The water seepage hole of prefabricated reinforced concrete rectangular tube top tube wall is in quincuncial arrangement.
Permeable layer is formed by graded broken stone filling technology.
The utility model has the following advantages：
The utility model eliminates the Central drain set in inverted arch filling, axially elongated along tunnel below inverted arch structure
Center sewer is added, forms two mutually independent drainage systems, accomplishes that tunnel perimeter underground water can unobstructed discharge.Encircle in tunnel
Wall lining builds behind underground water and is collected to lateral sulcus discharge through circumferential, longitudinal blind pipe, and seepage action of ground water to center sewer is arranged under inverted arch
Go out.Using the drainage system, it can effectively solve the problems, such as that ground water drainage is not smooth under tunnel inverted arch, avoid Tunnel Base dilatancy
Stratum long period of soaking in water, prevents expansive stratum water-swellable and deforms one brought to tunnel lining structure to greatest extent
Serial disease.
Description of the drawings
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the A-A sectional views in Fig. 1；
Fig. 3 is the B-B sectional views in Fig. 1；
Fig. 4 is the C node waterproof system artworks in Fig. 1；
Fig. 5 is the utility model center sewer cross-sectional view；
Fig. 6 is the D-D sectional views in Fig. 5.
In figure, 1-circumferential direction blind pipe, 2-longitudinal direction blind pipe, 3-lateral sulcus, 4-drain hole, 5-center sewer, 6-pre-manufactured steel
Reinforced concrete rectangular tube, 7-concrete cushion, 8-water seepage hole, 9-permeable layer, the filling of 10-inverted arch, 11-inverted arch bottom underground
Water seepage direction is illustrated.
Specific embodiment
The utility model is described in detail With reference to embodiment.
The utility model is related to a kind of expansive stratum tunnel drainage system, by circumferential blind pipe 1, longitudinal blind pipe 2, side
On the basis of the conventional drainage systems of compositions such as ditch 3, drain hole 4, Central drain, further upgrading optimization eliminates inverted arch filling
The Central drain set in 10, along tunnel, axially elongated setting center sewer 5, composition two are mutual indepedent below inverted arch structure
Drainage system, it is ensured that tunnel arch wall lining cutting is behind and underground water under inverted arch can smooth discharge.
Center sewer 5 includes prefabricated reinforced concrete rectangular tube 6, and 6 lower part of prefabricated reinforced concrete rectangular tube is concrete
Bed course 7, top are permeable layer 9, and permeable layer 9 forms by graded broken stone filling technology, should backfill closely knit, need to ensure its infiltration and load
Energy.6 top tube wall of prefabricated reinforced concrete rectangular tube is provided with water seepage hole 8.Prefabricated reinforced concrete rectangular tube 6 be segmented it is prefabricated,
It is connected using tongue and groove rigid joint form.The water seepage hole 8 of 6 top tube wall of prefabricated reinforced concrete rectangular tube is in quincuncial arrangement.
Center sewer 5 is used to discharge underground water under tunnel inverted arch.
In tunnel arch wall drainage system, circumferential blind pipe 1 is laid along preliminary bracing inner surface interval, and circumferential 1 bottom of blind pipe leads to
Longitudinal blind pipe 3 that threeway access is axially laid in abutment wall foundation along tunnel is crossed, longitudinal blind pipe 3 accesses longitudinal direction by drain hole 4 and passes through
The logical lateral sulcus 3 for being arranged at both sides in tunnel-liner, lateral sulcus 3 are used to discharge tunnel arch wall lining cutting behind underground water and railway roadbed ponding.
The utility model drainage system is two mutually independent drainage systems, it is ensured that tunnel arch wall lining cutting behind and inverted arch
The smooth discharge of energy of beneath underground water, can effectively solve Tunnel Base seeping phenomenon, Tunnel Base expansive stratum is avoided to impregnate
In water, expansive stratum water-swellable can be prevented to greatest extent and deforms a series of diseases brought to tunnel lining structure
Evil.
The content of the utility model is not limited to cited by embodiment, and those of ordinary skill in the art are new by reading this practicality
Type specification and to any equivalent conversion that technical solutions of the utility model are taken, be the claim institute of the utility model
Cover.
Claims (4)
1. a kind of expansive stratum tunnel drainage system, it is characterised in that：
Including by circumferential blind pipe（1）, longitudinal blind pipe（2）, drain hole（4）And lateral sulcus（3）The tunnel arch wall drainage system of composition and
Along the center sewer of the axial elongated setting in tunnel below inverted arch structure（5）；
Center sewer（5）Including prefabricated reinforced concrete rectangular tube（6）, prefabricated reinforced concrete rectangular tube（6）Lower part is coagulation
Soil padding（7）, top is permeable layer（9）, prefabricated reinforced concrete rectangular tube（6）Top tube wall is provided with water seepage hole（8）；
In tunnel arch wall drainage system, circumferential blind pipe（1）It is laid along preliminary bracing inner surface interval, circumferential blind pipe（1）Bottom leads to
Cross longitudinal blind pipe that threeway access is axially laid in abutment wall foundation along tunnel（2）, longitudinal blind pipe（2）Pass through drain hole（4）Access
The longitudinally through lateral sulcus for being arranged at both sides in tunnel-liner（3）.
2. a kind of expansive stratum tunnel drainage system according to claim 1, it is characterised in that：
Prefabricated reinforced concrete rectangular tube（6）Be segmented it is prefabricated, using tongue and groove rigid joint form connect.
3. a kind of expansive stratum tunnel drainage system according to claim 1, it is characterised in that：
Prefabricated reinforced concrete rectangular tube（6）The water seepage hole of top tube wall（8）In quincuncial arrangement.
4. a kind of expansive stratum tunnel drainage system according to claim 1, it is characterised in that：
Permeable layer（9）It is formed by graded broken stone filling technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721087944.2U CN207454027U (en) | 2017-08-29 | 2017-08-29 | A kind of expansive stratum tunnel drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721087944.2U CN207454027U (en) | 2017-08-29 | 2017-08-29 | A kind of expansive stratum tunnel drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454027U true CN207454027U (en) | 2018-06-05 |
Family
ID=62249272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721087944.2U Active CN207454027U (en) | 2017-08-29 | 2017-08-29 | A kind of expansive stratum tunnel drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271118A (en) * | 2020-03-30 | 2020-06-12 | 中铁二院工程集团有限责任公司 | Drainage structure suitable for reconstruction of tunnel bottom structure of karst tunnel and construction method thereof |
-
2017
- 2017-08-29 CN CN201721087944.2U patent/CN207454027U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271118A (en) * | 2020-03-30 | 2020-06-12 | 中铁二院工程集团有限责任公司 | Drainage structure suitable for reconstruction of tunnel bottom structure of karst tunnel and construction method thereof |
| CN111271118B (en) * | 2020-03-30 | 2024-06-04 | 中铁二院工程集团有限责任公司 | Drainage structure suitable for reconstruction of karst tunnel bottom structure and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107401413A (en) | Tunnel structure for expansive stratum | |
| CN206386150U (en) | A kind of Underground Subway Station draining and examination and repair system | |
| CN103510528A (en) | Blind trench water discharging structure used for underground structure up-floating prevention | |
| CN107905811B (en) | Inverted arch-free lining of foundation hollow longitudinal beam bearing arch structure | |
| CN105256876A (en) | Siphon type draining system of superhigh excavation section of road | |
| CN206220972U (en) | Frame branch arched tunnel lining structure | |
| CN209780957U (en) | Water-rich railway tunnel bottom sluicing decompression and reinforced structure | |
| CN107905809B (en) | Double-hole hollow rectangular section beam bearing cutting type arched tunnel lining structure | |
| CN205134481U (en) | Highway superelevation excavation highway section hydrocone type drainage system | |
| CN111425250B (en) | Double-layer pressure-reducing water-proof and drainage system for karst water-rich tunnel and construction method of double-layer pressure-reducing water-proof and drainage system | |
| CN207568626U (en) | A kind of tunnel structure for expansive stratum | |
| CN113464174B (en) | Construction method of tunnel row waterproof comprehensive treatment system | |
| CN111441820A (en) | Tunnel drainage structure combining deep-buried central ditch and drainage tunnel and construction method | |
| AU2019202413B2 (en) | Improved concrete road pavement with more sustainability benefits | |
| CN109826065B (en) | High-fill roadbed protection system and construction method thereof | |
| CN209652669U (en) | A kind of subgrade drainage structure | |
| CN207454027U (en) | A kind of expansive stratum tunnel drainage system | |
| CN106988767A (en) | The Support System in Soft Rock Tunnels supporting construction of buried Central drain | |
| CN104712341B (en) | Bed shallow covering shield driving stratum consolidation system and its construction method | |
| CN112012763B (en) | Construction method of double-layer primary support multi-arch tunnel structure | |
| CN206157594U (en) | Campshed box culvert structure | |
| CN208168937U (en) | A kind of tunnel bottom discharge structure | |
| CN216950384U (en) | Supporting construction for improving loess tunnel arch springing bearing performance | |
| CN206477347U (en) | The water storage structure of basement | |
| CN212376693U (en) | Tunnel drainage structure with deep-buried central ditch and drainage tunnel combined |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |