CN205370597U - A system's leaking stoppage and drainage structures for tunnel seepage is administered - Google Patents
A system's leaking stoppage and drainage structures for tunnel seepage is administered Download PDFInfo
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- CN205370597U CN205370597U CN201521106463.2U CN201521106463U CN205370597U CN 205370597 U CN205370597 U CN 205370597U CN 201521106463 U CN201521106463 U CN 201521106463U CN 205370597 U CN205370597 U CN 205370597U
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Abstract
The utility model relates to a system's leaking stoppage and drainage structures for tunnel seepage is administered belongs to tunnel maintenance technology field, the utility model discloses a secondary lining layer at tunnel arch position and the built -in drain line at slip casting leaking stoppage layer between the first lining cutting layer and tunnel hoop side wall position, on the one hand ooze the drain -source water seal through hunch portion and block up outside secondary lining, administer the seepage from the source, on the other hand through setting up the drain line at annular hoop side wall position, will ooze outside the drain -source log raft goes out the tunnel through this drain line, the utility model discloses current structure facility does not influence tunnel safety and use in the make full use of tunnel, and not only the drainage route is clear and definite, drainage effect is good, stifled combination, the comprehensive control of arranging, and the later stage pipeline maintenance of being convenient for moreover realizes that effective system of tunnel seepage administers, technological effect is showing.
Description
Technical field
A kind of system leak stopping for Leak treatment for tunnel of this utility model and discharge structure, belong to tunnel maintenance technical field.
Background technology
It is no matter at home or abroad, all there is disease in various degree in most of tunnels, the main Types of tunnel defect has water damage, freeze injury, lining cracking and lining cutting are corroded, most common of which disease form is water damage, being embodied in tunnel and Seepage in various degree occur, so-called " ten tunnels nine leak " is just reflecting the frequent of tunnel water damage.In treatment technology for tunnel seepage phenomenon, most commonly seen to include the hoop seepage such as construction joint, deformation joint seepage water；Relevant information shows, it accounts for more than the 60% of the total percolating water in tunnel, and the phenomenon of " seeing that seam must leak, seamless not leak " even occur in indivedual engineerings, after tunnel generation seepage, the safe operation in tunnel is affected and strengthens, even jeopardize tunnel structure safety.
Current Leak treatment for tunnel, is merely take slip casting closure or fluting ejectment in hole for seepage place mostly.But the key element that seepage occurs includes water source, driving force and leakage passage, treating seepage all should be conceived to this three big key element can effect to some extent.In hole, slip casting closure is the source underground water seal in country rock to be blocked up outside tunnel-liner by forming certain thickness sealing collar outside tunnel-liner, but it fails effectively to cut off leakage passage, therefore it is often not satisfactory to adopt this method effect；Simultaneously because the complexity of country rock Groundwater Flow that causes of the complicated physico mechanical characteristic of Rock And Soil medium and randomness, fluting ejectment is made to tend not to effectively block the percolation path of subsoil water, its effect is also not satisfactory, and therefore, Systematic control becomes the emphasis of concern.
Utility model content
The purpose of this utility model is to provide a kind of system leak stopping for Leak treatment for tunnel and discharge structure, under the premise guaranteeing tunnel safety, by arranging leak stopping layer at arch position, tunnel and arranging discharge pipe line at hoop abutment wall position, tunnel, outside drawing tunnel outside arch Yuan Shui is plugged in secondary lining, by source, hoop abutment wall position water, realize the Systematic control for the treatment of technology for tunnel seepage, improve safety and the service life of existing tunnel.
The technical scheme realizing this utility model purpose is:
A kind of system leak stopping for Leak treatment for tunnel of this utility model and discharge structure, built-in discharge pipe line including the leak stopping layer at arch position, tunnel and hoop abutment wall position, tunnel, the leak stopping layer at arch position, described tunnel is the inside slip casting of injected hole by offering at arch position, tunnel, the stable grouting for water plugging layer formed between secondary lining layer and the first lining cutting layer at arch position, tunnel；Position according to treatment technology for tunnel seepage and Yuan Shui, discharge pipe line is built in the hoop abutment wall position of correspondence, described discharge pipe line, including ejectment groove, semicircular arc collector pipe, ejectment hole, ejectment pipe, water seal cover, ejectment groove notch inwardly, bottom land outwardly circumferentially the hoop at abutment wall position be opened in secondary lining layer；Semicircular arc collector pipe is uncovered outwardly, and affixed and comply with the tendency of ejectment groove and be arranged in ejectment groove by the bottom land of two pipe ear Yu ejectment groove, the space between this semicircular arc collector pipe outer wall and ejectment groove, end count sealing is filled firm；The ejectment hole outwards penetrating the first lining cutting in tunnel is offered at bottom land interval along ejectment groove, and ejectment pipe inserts in each ejectment hole respectively, and the lower nozzle of this ejectment pipe exceeds the aperture in ejectment hole, and uncovered with semi arch collector pipe corresponding respectively；By the notch of the lid edge ejectment groove of water seal cover, water seal cover is installed, ejectment groove is sealed lid jail；The lower end mouth of pipe of the semi arch collector pipe in ejectment groove passes through tunnel the port of ejectment groove at pipe trench position, and the leak source water collected by semi arch collector pipe introduces outside the discharge tunnel, ejectment ditch at pipe trench position, tunnel.
The ejectment groove at pipe trench position, described tunnel is arranged on tunnel pipe trench sidewall, and consistent with the connection of tunnel hoop abutment wall position ejectment groove.
Described ejectment hole penetrates the degree of depth of the first lining cutting in tunnel and is not less than 50cm.
The lower nozzle of described ejectment pipe exceeds the aperture in ejectment hole no less than 5cm.
Described ejectment tube wall and the mouth of pipe all have geotextiles to seal.
The lid limit of described water seal cover is fixed on the bottom land limit of ejectment groove by steel expansion bolt, arranges sealing gasket the space filling with sealant between the trough rim and water seal cover of ejectment groove between the lid limit and the base of ejectment groove of water seal cover.
A kind of system leak stopping for Leak treatment for tunnel of this utility model and discharge structure, it is the system structure of a kind of stifled row's combination, comprehensive control: on the one hand, grouting for water blocking in secondary lining is taked at position, arch, tunnel, formed outside secondary lining and certain thickness stablize water-blocking layer, especially certain thickness sealing collar is stablized as formed outside secondary lining, outside arch Yuan Shui is plugged in secondary lining, reduces the water yield entered in tunnel, from source, seepage is administered；On the other hand, according to annular hoop abutment wall part leakage position and Yuan Shui, at annular hoop abutment wall position, discharge pipe line is set, namely ejectment groove is dug out at hoop abutment wall position, aqueduct, collector pipe are set, constitute discharge pipe line, thus drawing under leak source water annularly abutment wall, and by being arranged at outside the discharge tunnel, ejectment ditch in tunnel pipe trench.
This utility model makes full use of existing structure facility in tunnel, does not affect tunnel safety and use, and not only drainage path is clear and definite, drainage effect good, and is easy to later stage pipeline maintenance.This utility model is by blocking in arch, and in abutment wall ejectment, stifled row combines in order, thus the effective system realizing treatment technology for tunnel seepage is administered, and obvious technical effects.
Accompanying drawing explanation
Fig. 1 this utility model tunnel structure schematic cross-section
Position, arch, Fig. 2 this utility model tunnel and the stifled row in annular hoop abutment wall position administer schematic diagram
The concrete discharge pipe line schematic diagram in Fig. 3 this utility model tunnel ring-shaped hoop abutment wall position
Fig. 4 this utility model tunnel ring-shaped hoop abutment wall position discharge pipe line I-I profile
Fig. 5 this utility model ejectment channel section schematic diagram
Detailed description of the invention
In conjunction with accompanying drawing, further illustrate how this utility model is implemented:
Existing tunnel structure can be summarized as follows: is pipe trench position A, hoop abutment wall position B and arch position C from bottom to top successively；Its from-inner-to-outer is followed successively by secondary lining layer 14, first lining cutting layer 15 and country rock 16, as shown in Figure 1.
A kind of system leak stopping for Leak treatment for tunnel of this utility model and discharge structure, built-in discharge pipe line B-p including the leak stopping layer C-d of arch position, tunnel C and hoop abutment wall position, tunnel, the leak stopping layer C-d of described tunnel arch position C is the inside slip casting of injected hole C-k by offering at arch position, tunnel, and the stable grouting for water plugging layer formed between secondary lining layer 14 and the first lining cutting layer 15 at arch position, tunnel, as shown in Figure 2；Position according to treatment technology for tunnel seepage and Yuan Shui, discharge pipe line B-p is built in the hoop abutment wall position of correspondence, described discharge pipe line, including ejectment groove 3, semicircular arc collector pipe 4, ejectment hole 5, ejectment pipe 6, water seal cover 9, ejectment groove 3 notch inwardly, bottom land outwardly circumferentially the hoop at abutment wall position be opened in secondary lining layer 14；Semicircular arc collector pipe 4 is uncovered outwardly, affixed with the bottom land 3-2 of ejectment groove 3 and comply with the tendency of ejectment groove 3 and be arranged in ejectment groove 3 through nailing 8 by two pipe ear 4-1, space between this semicircular arc collector pipe 4 outer wall and ejectment groove 3, end count sealing 12 is filled firm；Notch along ejectment groove 3 installs water seal cover 9, the lid limit of water seal cover 9 is fixed on the bottom land limit 3-1 of ejectment groove 3 by steel expansion bolt 11, and sealing gasket 10 is set between the lid limit and the base 3-1 of ejectment groove 3 of water seal cover 9, the space fluid sealant 13 between the trough rim of ejectment groove and water seal cover 9 is sealed lid jail；The lower end mouth of pipe of the semi arch collector pipe 4 in ejectment groove 3 passes through tunnel the port of ejectment groove 3-3 at pipe trench position, and the leak source water collected by semi arch collector pipe 4 introduces the ejectment ditch 7 of pipe trench position, tunnel A and discharges outside tunnel, as shown in Fig. 3,4,5.
The ejectment groove 3-3 at pipe trench position, described tunnel is arranged on tunnel pipe trench A sidewall, and connects consistent with tunnel hoop abutment wall position ejectment groove 3.
Described ejectment hole 5 penetrates the degree of depth of the first lining cutting 15 in tunnel and is not less than 50cm.
The lower nozzle of described ejectment pipe 6 exceeds the aperture in ejectment hole 5 no less than 5cm.
Described ejectment tube wall and the mouth of pipe all have geotextiles to seal.
Implement step:
Step 1: according to the leak location of arch position, tunnel C and Yuan Shui, corresponding secondary lining layer 14 arranges injected hole C-k at a certain distance, and by the inside slip casting of C-k of this injected hole, to form grouting for water plugging layer C-d between the secondary lining layer 14 of arch position, tunnel C and first lining cutting layer 15.
Step 2: arranging ejectment ditch 7 in the bottom of tunnel pipe trench A, the size in ejectment ditch 7 is determined according to Tunnel Seepage Prediction result.
Step 3: according to the leak location of tunnel side wall position B and Yuan Shui, arrange ejectment groove 3 at corresponding hoop abutment wall position, ejectment groove 3 notch is inside, bottom land outwards circumferentially abutment wall position B be opened on secondary lining layer 14 and the sidewall of tunnel pipe trench A should be passed down through.
Step 4: the base 3-2 along ejectment groove 3 outwards arranges the ejectment hole 5 penetrating Tunnel Second Lining 14 and first lining cutting 15 with certain spacing, and inserts ejectment pipe 6 respectively in each ejectment hole 5.
Step 5: after ejectment pipe 6 installs, the base 3-2 along ejectment groove 3 complies with the tendency of ejectment groove 3 and installs semicircle collector pipe 4, and semicircular arc collector pipe 4 is uncovered outwardly, is fixed on the bottom land 3-2 of ejectment groove 3 through nailing 8 by two pipe ear 4-1.
Step 6: after semicircle collector pipe 4 installs, is filled with the space fluid sealant 12 between outer wall and the ejectment groove 3 of semicircle collector pipe 4；
Step 7: the notch at seal groove 3 installs water seal cover 9, arranges sealing gasket 10 between lid limit and the base 3-1 of ejectment groove 3 of water seal cover 9, and the space fluid sealant 13 between water seal cover 9 and ejectment groove is filled with.
Step 8: carry out repairing recovery to the sidewall of the tunnel pipe trench A damaged because of construction ejectment groove 3 in step 3.
Claims (6)
1. the system leak stopping for Leak treatment for tunnel and discharge structure, it is characterized in that, built-in discharge pipe line including the leak stopping layer at arch position, tunnel and hoop abutment wall position, tunnel, the leak stopping layer at arch position, described tunnel is the inside slip casting of injected hole by offering at arch position, tunnel, the stable grouting for water plugging layer formed between secondary lining layer and the first lining cutting layer at arch position, tunnel；Position according to treatment technology for tunnel seepage and Yuan Shui, discharge pipe line is built in the hoop abutment wall position of correspondence, described discharge pipe line, including ejectment groove, semicircular arc collector pipe, ejectment hole, ejectment pipe, water seal cover, ejectment groove notch inwardly, bottom land outwardly circumferentially the hoop at abutment wall position be opened in secondary lining layer；Semicircular arc collector pipe is uncovered outwardly, and affixed and comply with the tendency of ejectment groove and be arranged in ejectment groove by the bottom land of two pipe ear Yu ejectment groove, the space between this semicircular arc collector pipe outer wall and ejectment groove, end count sealing is filled firm；The ejectment hole outwards penetrating the first lining cutting in tunnel is offered at bottom land interval along ejectment groove, and ejectment pipe inserts in each ejectment hole respectively, and the lower nozzle of this ejectment pipe exceeds the aperture in ejectment hole, and uncovered with semi arch collector pipe corresponding respectively；By the notch of the lid edge ejectment groove of water seal cover, water seal cover is installed, ejectment groove is sealed lid jail；The lower end mouth of pipe of the semi arch collector pipe in ejectment groove passes through tunnel the port of ejectment groove at pipe trench position, and the leak source water collected by semi arch collector pipe introduces outside the discharge tunnel, ejectment ditch at pipe trench position, tunnel.
2. a kind of system leak stopping for Leak treatment for tunnel according to claim 1 and discharge structure, it is characterised in that the ejectment groove at pipe trench position, tunnel is arranged on tunnel pipe trench sidewall, and consistent with the connection of tunnel hoop abutment wall position ejectment groove.
3. a kind of system leak stopping for Leak treatment for tunnel according to claim 1 and discharge structure, it is characterised in that ejectment hole penetrates the degree of depth of the first lining cutting in tunnel and is not less than 50cm.
4. a kind of system leak stopping for Leak treatment for tunnel according to claim 1 and discharge structure, it is characterised in that the lower nozzle of ejectment pipe exceeds the aperture in ejectment hole no less than 5cm.
5. a kind of system leak stopping for Leak treatment for tunnel according to claim 1 and discharge structure, it is characterised in that ejectment tube wall and the mouth of pipe all have geotextiles to seal.
6. a kind of system leak stopping for Leak treatment for tunnel according to claim 1 and discharge structure, it is characterized in that, the lid limit of water seal cover is fixed on the bottom land limit of ejectment groove by steel expansion bolt, sealing gasket the space fluid sealant between the trough rim and water seal cover of ejectment groove are set between the lid limit and the base of ejectment groove of water seal cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106463.2U CN205370597U (en) | 2015-12-25 | 2015-12-25 | A system's leaking stoppage and drainage structures for tunnel seepage is administered |
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| CN201521106463.2U CN205370597U (en) | 2015-12-25 | 2015-12-25 | A system's leaking stoppage and drainage structures for tunnel seepage is administered |
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| CN205370597U true CN205370597U (en) | 2016-07-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484773A (en) * | 2015-12-25 | 2016-04-13 | 武汉市政工程设计研究院有限责任公司 | System plugging and draining structure for tunnel leakage treatment |
| CN109184754A (en) * | 2018-08-08 | 2019-01-11 | 中铁第四勘察设计院集团有限公司 | A kind of tunnel water handling Disease Processing method and system |
| CN110130981A (en) * | 2019-07-02 | 2019-08-16 | 济南市坤鹏技术开发中心 | A kind of tunnel construction safe construction method |
-
2015
- 2015-12-25 CN CN201521106463.2U patent/CN205370597U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484773A (en) * | 2015-12-25 | 2016-04-13 | 武汉市政工程设计研究院有限责任公司 | System plugging and draining structure for tunnel leakage treatment |
| CN109184754A (en) * | 2018-08-08 | 2019-01-11 | 中铁第四勘察设计院集团有限公司 | A kind of tunnel water handling Disease Processing method and system |
| CN110130981A (en) * | 2019-07-02 | 2019-08-16 | 济南市坤鹏技术开发中心 | A kind of tunnel construction safe construction method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |