CN102619560A - Drainage and drainage method for long-distance reverse-slope tunnels - Google Patents
Drainage and drainage method for long-distance reverse-slope tunnels Download PDFInfo
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- CN102619560A CN102619560A CN2012101123122A CN201210112312A CN102619560A CN 102619560 A CN102619560 A CN 102619560A CN 2012101123122 A CN2012101123122 A CN 2012101123122A CN 201210112312 A CN201210112312 A CN 201210112312A CN 102619560 A CN102619560 A CN 102619560A
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Abstract
The invention discloses a drainage and a drainage method for long-distance reverse-slope tunnels. The drainage comprises a guide gutter, a settlement grotto and a pump station grotto, the settlement grotto and the pump station grotto are respectively arranged at the inflow end and the outflow end, the horizontal positions of the grotto floors of both the settlement grotto and the pump station grotto are lower than the floor of a tunnel, the guide gutter is arranged on the floor of the tunnel, the side of the guide gutter is connected with the inner edges of the settlement grotto and the pump station grotto, and a water pump is arranged in the pump station grotto. The invention has the beneficial effects that water can be constantly drained, pipeline blockage caused by accumulated sewage is prevented, moreover, the backflow problem of long-distance reverse-slope drainage is effectively solved, the efficiency of tunnel construction is increased, meanwhile, the sealing property of drainage pipes is enhanced by an auxiliary drainage pipe-sealing connector, the arrangement of a generator and a transformer guarantees power supply for the drainage system during emergency, and thereby the requirement of tunnel construction is further met.
Description
Technical field
The present invention relates to the constructing tunnel field, relate in particular to a kind of dewatering installation and water discharge method of growing apart from the counter-slope tunnel.
Background technology
Tunnel construction generally comprises the tunnel construction engineering of highway, railway, water conservancy, electric power etc.; In the time of in constructing in water enrichment area in the tunnel; Groundwater run off is big behind the tunnel excavation; Constructing tunnel relative difficulty along sloping draining is little, but in the constructing tunnel occasion of needs length apart from the counter-slope drainage construction, difficulty of construction will increase greatly.In the construction in some tunnels; The employing that has is provided with the mode " long tunnel hand-to-hand fight in tights " of inclined shaft, and for example elegant peaceful tunnel, tunnel, middle Tianshan Mountains etc. have just adopted this mode when construction, and this kind is when using this kind mode; In case underground water is grown, the discharge pressure of constructing tunnel is very huge.
In the past length apart from the counter-slope drainage construction in, adopt usually fixedly relay pumping plant be set, draw water step by step; Finally be disposed to the mode outside the hole; But in actual mechanical process, a lot of problems appear easily: the one, and the interior foreign material accumulation of fixed pump station is more, influences the work of water pump during cleaning; To move operating difficulties to water pump; The 2nd, the long distance of the tunnel water outlet meeting counter-slope between the fixed pump station flows in the fixed pump station, is evacuated to the upper level pumping plant by fixed pump station again, and the distance that causes drawing water increases, and increases input; The 3rd, pipe joint all adopts flange to add upper sealing washer to be connected with bolt; But because the pump power that the big yield draining is adopted in the work progress is big, hydraulic pressure is high, and the packing ring breakage often appears in water pipe head place; Cause leaking, the difficulty of under the situation that many pipelines stack, keeping in repair is bigger; The 4th, in a single day the supply of electric power of pump drainage water goes wrong, and can not in time carry out pump drainage, and construction speed is produced very big influence, also has sizable construction risk.
Summary of the invention
A kind of purpose of the present invention provides a kind of dewatering installation and water discharge method of growing apart from the counter-slope tunnel, with the weak point of avoiding existing in the above-mentioned prior art.
The object of the invention is realized through following technical scheme:
A kind of dewatering installation of growing apart from the counter-slope tunnel; It is located at the both sides, tunnel; Said length comprises guiding gutter, deposition cavern and pumping plant cavern apart from the dewatering installation in counter-slope tunnel, and said deposition cavern and pumping plant cavern are located at water respectively and flow into end and water outflow end, and the horizontal level of cavern's base plate of deposition cavern and pumping plant cavern all is lower than tunnel floor; Said guiding gutter is located on the tunnel floor; The guiding gutter side is connected with the inward flange of deposition cavern and pumping plant cavern, and the guiding gutter outer end is connected with gutter, and said pumping plant is provided with water pump in the cavern.
Further, the level height of cavern's base plate of said deposition cavern is lower than at least 1 meter of the level height of cavern's base plate of pumping plant cavern.
Further; Said guiding gutter is provided with deposition cavern inlet valve and deposition cavern outlet valve respectively with flow inlet place and water export place that the deposition cavern joins, and the guiding gutter between deposition cavern's inlet valve and the deposition cavern outlet valve is provided with the straight-through valve in deposition cavern.
Further; The junction of said gutter and another gutter is provided with long gutter auxiliary seal linkage apart from the counter-slope tunnel; Comprise the rubber washer, steel plate and the flange packing ring that are arranged in order from the inside to the outside; Long gutter auxiliary seal linkage apart from the counter-slope tunnel is connected with drainage pipe through some connecting bolts, and said steel plate top is provided with and adds fixing bolt.
Further, be equipped with the pumping plant cavern of damming between said pumping plant cavern and another deposition cavern of length apart from the dewatering installation in counter-slope tunnel, the pumping plant cavern of damming is connected through gutter with the deposition cavern with the pumping plant cavern, is provided with water pump in the said pumping plant cavern of damming;
Further, be provided with the generator and the step-up transformer that are connected outside the tunnel, step-up transformer is connected with step-down transformer in being located at the tunnel, and said step-down transformer is connected with water pump in the pumping plant cavern and the pumping plant cavern of damming.
Utilize the water discharge method of above-mentioned length, may further comprise the steps apart from the dewatering installation in counter-slope tunnel:
The dewatering installation of some length apart from the counter-slope tunnel is set in the both sides, tunnel at interval, and after installing, when normally drawing water, water is evacuated to the deposition cavern through gutter, precipitates cavern's inlet valve this moment and opens the straight-through valve closes in deposition cavern with deposition cavern outlet valve;
Water flowed into the pumping plant cavern through guiding gutter automatically after the deposition cavern was filled with water, after pumping plant cavern water is full, opened water pump, water was evacuated to the deposition cavern of upper level;
When the deposition cavern needed scrubbing, it was closed with deposition cavern outlet valve to precipitate cavern's inlet valve, opened the straight-through valve in deposition cavern, and water flows directly into the pumping plant cavern; And
After pumping plant cavern water is full, open water pump, water is evacuated to the deposition cavern of upper level.
Beneficial effect of the present invention is:
Can reach the purpose that continues draining; Avoided because the line clogging that dirt accumulation causes; And solved long current backward flow problem apart from the counter-slope draining effectively, improved constructing tunnel efficient, gutter auxiliary seal linkage makes the sealing performance of gutter be improved simultaneously; Being provided with of generator and transformer guaranteed the supply of electric power of drainage system when emergent, further satisfied the requirement of constructing tunnel.
Description of drawings
According to accompanying drawing the present invention is done further explain below.
Fig. 1 is the described a kind of structural representation of growing apart from the dewatering installation in counter-slope tunnel of the embodiment of the invention;
Fig. 2 is the described a kind of lateral view of growing apart from the dewatering installation in counter-slope tunnel of the embodiment of the invention;
Fig. 3 is the described a kind of vertical view of growing apart from the dewatering installation in counter-slope tunnel of the embodiment of the invention;
Fig. 4 is the described a kind of structural representation of growing apart from the gutter auxiliary seal linkage in counter-slope tunnel of the embodiment of the invention;
Fig. 5 is the described a kind of lateral view of growing apart from the gutter auxiliary seal linkage in counter-slope tunnel of the embodiment of the invention;
Fig. 6 is the described a kind of effect sketch map of growing apart from the water discharge method in counter-slope tunnel of the embodiment of the invention;
Fig. 7 is the described a kind of theory diagram of growing apart from the power transmission of the water discharge method in counter-slope tunnel of the embodiment of the invention.
Among the figure:
1, guiding gutter; 11, add fixing bolt; 12, rubber washer; 13, steel plate; 14, flange packing ring; 15, connecting bolt; 2, deposition cavern; 21, deposition cavern inlet valve; 22, deposition cavern outlet valve; 23, the straight-through valve in deposition cavern; 3, pumping plant cavern; 4, tunnel support; 5, tunnel floor; 6, the pumping plant cavern of damming; 7, generating set; 8, step-up transformer; 9, step-down transformer; 10, water pump in pump station.
The specific embodiment
Shown in Fig. 1-3; Length of the present invention is located at the both sides, tunnel apart from the dewatering installation in counter-slope tunnel and is comprised guiding gutter 1, deposition cavern 2 and pumping plant cavern 3; Said deposition cavern 2 is located at water respectively with pumping plant cavern 3 and flows into end and water outflow end; The horizontal level of cavern's base plate of deposition cavern 2 and pumping plant cavern 3 all is lower than tunnel floor 5, and said guiding gutter 1 is located on the tunnel floor 5, and guiding gutter 1 side is connected with the inward flange of deposition cavern 2 and pumping plant cavern 3; Guiding gutter 1 outer end is connected with gutter, is provided with water pump 10 in the said pumping plant cavern 3.Said guiding gutter 1 is provided with deposition cavern inlet valve 21 and deposition cavern outlet valve 22 respectively with flow inlet place and water export place that deposition cavern 2 joins, and the guiding gutter 1 between deposition cavern inlet valve 21 and the deposition cavern outlet valve 22 is provided with the straight-through valve 23 in deposition cavern.
Shown in Fig. 4-5; The junction of said gutter and another gutter is provided with long gutter auxiliary seal linkage apart from the counter-slope tunnel; Comprise the rubber washer 12, steel plate 13 and the flange packing ring 14 that are arranged in order from the inside to the outside; Long gutter auxiliary seal linkage apart from the counter-slope tunnel is connected with drainage pipe through some connecting bolts 15, and said steel plate 13 tops are provided with and add fixing bolt 11.Said gutter auxiliary seal linkage is located at the flange outside at gutter two ends, plays the effect of reinforcing sealing.Be equipped with the pumping plant cavern 6 of damming between the deposition cavern 2 of the long dewatering installation apart from the counter-slope tunnel of said pumping plant cavern 3 and another, dam pumping plant cavern 6 and pumping plant cavern 3 with precipitate cavern 2 and be connected through gutter, be provided with water pump 10 in the said pumping plant cavern 6 of damming;
The level height of cavern's base plate of said deposition cavern 2 is lower than at least 1 meter of the level height of cavern's base plate of pumping plant cavern 3.In the present embodiment, the capacity of deposition cavern 2 is according to 200 cubic metres of volume settings, and pumping plant cavern 3 is according to 300 cubic metres of volume settings, and the top of deposition cavern 2 and pumping plant cavern 3 must not influence the structure of touching tunnel support 4, and carries out the supporting construction of cavern.
Shown in Fig. 6-7, be provided with interconnective generator 7 and step-up transformer 8 outside the tunnel, step-up transformer 8 is connected with step-down transformer 9 in being located at the tunnel, and said step-down transformer 9 is connected with water pump 10 in the pumping plant cavern 3 and the pumping plant cavern 6 of damming.
The described a kind of water discharge method of growing apart from the counter-slope tunnel of the embodiment of the invention may further comprise the steps: the dewatering installation of some length apart from the counter-slope tunnel is set at interval, after structure installs in the both sides, tunnel; When normally drawing water; Water is evacuated to deposition cavern 2 through gutter, precipitates cavern's inlet valve 21 this moment and opens straight-through valve 23 closures in deposition cavern with deposition cavern outlet valve 22; Water flowed into pumping plant cavern 3 through guiding gutter 1 automatically after deposition cavern 2 was filled with water; After pumping plant cavern 3 water are full, open water pump 10, water is evacuated to the deposition cavern 2 of upper level; When deposition cavern 2 needs scrubbing, will precipitate cavern's inlet valve 21 and deposition cavern outlet valve 22 closures, open the straight-through valve 23 in deposition cavern; Water flows directly into pumping plant cavern 3; After pumping plant cavern 3 water are full, open water pump 10, water is evacuated to the deposition cavern 2 of upper level.
During concrete the use; Water is evacuated to deposition cavern 2 through gutter, precipitates cavern's inlet valve 21 this moment and open straight-through valve 23 closures in deposition cavern with deposition cavern outlet valve 22; Water flowed into pumping plant cavern 3 through guiding gutter 1 automatically after deposition cavern 2 was filled with water; After pumping plant cavern 3 water are full, open water pump 10, water is evacuated to the deposition cavern 2 of upper level.In the pump process, the pumping plant cavern 6 of damming can effectively reduce the generation of current backflow phenomenon, makes the efficient of draining further improve.
When deposition cavern 2 needs scrubbing; To precipitate cavern's inlet valve 21 and deposition cavern outlet valve 22 closures, open the straight-through valve 23 in deposition cavern, then can be when not influencing construction drainage; Cavern 2 clears up to deposition, has guaranteed the operating efficiency of constructing tunnel.
Though below only described specific embodiment example of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the following claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present invention and essence, but these changes or modification all fall into protection scope of the present invention.
Claims (8)
1. one kind long dewatering installation apart from the counter-slope tunnel; Comprise guiding gutter (1), deposition cavern (2) and pumping plant cavern (3); Said deposition cavern (2) and pumping plant cavern (3) are located at water respectively and are flowed into end and water outflow end; It is characterized in that: the horizontal level of cavern's base plate of deposition cavern (2) and pumping plant cavern (3) all is lower than tunnel floor (5), and said guiding gutter (1) is located on the tunnel floor (5), and guiding gutter (1) side is connected with the inward flange of deposition cavern (2) and pumping plant cavern (3); Guiding gutter (1) outer end is connected with gutter, is provided with water pump (10) in the said pumping plant cavern (3).
2. a kind of dewatering installation of growing apart from the counter-slope tunnel according to claim 1 is characterized in that: the level height of cavern's base plate of said deposition cavern (2) is lower than at least 1 meter of the level height of cavern's base plate of pumping plant cavern (3).
3. a kind of dewatering installation of growing apart from the counter-slope tunnel according to claim 2; It is characterized in that: said guiding gutter (1) is provided with deposition cavern's inlet valve (21) and deposition cavern's outlet valve (22) respectively with flow inlet place and water export place that deposition cavern (2) joins, and the guiding gutter (1) between deposition cavern's inlet valve (21) and the deposition cavern's outlet valve (22) is provided with the straight-through valve (23) in deposition cavern.
4. a kind of dewatering installation of growing apart from the counter-slope tunnel according to claim 3; It is characterized in that: the junction of adjacent rows water pipe is provided with long gutter auxiliary seal linkage apart from the counter-slope tunnel; Comprise the rubber washer (12), steel plate (13) and the flange packing ring (14) that are arranged in order from the inside to the outside, long gutter auxiliary seal linkage apart from the counter-slope tunnel is connected with drainage pipe through some connecting bolts (15).
5. a kind of dewatering installation of growing apart from the counter-slope tunnel according to claim 4; It is characterized in that: be equipped with the pumping plant cavern (6) of damming between said pumping plant cavern (3) and another deposition cavern (2) of length apart from the dewatering installation in counter-slope tunnel; Dam pumping plant cavern (6) and pumping plant cavern (3) are connected through gutter with deposition cavern (2), are provided with water pump (10) in the said pumping plant cavern (6) of damming;
6. according to each described a kind of dewatering installation of growing apart from the counter-slope tunnel of claim 1-5; It is characterized in that: be provided with interconnective generator (7) and step-up transformer (8) outside the tunnel; Step-up transformer (8) is connected with step-down transformer (9) in being located at the tunnel, and said step-down transformer (9) is connected with water pump (10) in pumping plant cavern (3) and the pumping plant cavern (6) of damming.
7. one kind long water discharge method apart from the counter-slope tunnel is characterized in that, may further comprise the steps:
The dewatering installation of some length apart from the counter-slope tunnel is set in the both sides, tunnel at interval; After installing, when normally drawing water, water is evacuated to deposition cavern (2) through gutter; Precipitate cavern's inlet valve (21) this moment and precipitate cavern's outlet valve (22) and open, straight-through valve (23) closure in deposition cavern; And
Water flowed into pumping plant cavern (3) through guiding gutter (1) automatically after deposition cavern (2) was filled with water, after pumping plant cavern (3) water is full, opened water pump (10), water was evacuated to the deposition cavern (2) of upper level.
8. a kind of water discharge method of growing apart from the counter-slope tunnel according to claim 7 is characterized in that, further may further comprise the steps:
When precipitating cavern (2) when needing scrubbing, will precipitate cavern's inlet valve (21) and deposition cavern's outlet valve (22) closure, open the straight-through valve (23) in deposition cavern, water flows directly into pumping plant cavern (3); And
After pumping plant cavern (3) water is full, open water pump (10), water is evacuated to the deposition cavern (2) of upper level.
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| CN201210112312.2A CN102619560B (en) | 2012-04-17 | 2012-04-17 | Drainage and drainage method for long-distance reverse-slope tunnels |
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| CN201210112312.2A CN102619560B (en) | 2012-04-17 | 2012-04-17 | Drainage and drainage method for long-distance reverse-slope tunnels |
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| CN102619560B CN102619560B (en) | 2014-01-08 |
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Cited By (9)
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| CN103233742A (en) * | 2013-05-11 | 2013-08-07 | 中煤科工集团武汉设计研究院 | Treatment measure of bad geological section for long distance pipeline coal conveying |
| CN104875759A (en) * | 2015-05-26 | 2015-09-02 | 中铁十四局集团第五工程有限公司 | Water pump moving device used for tunnel adverse slope draining |
| CN104948226A (en) * | 2015-05-26 | 2015-09-30 | 中铁十四局集团第五工程有限公司 | Tunnel counter-slope drainage design method based on water inflow estimation and dynamic monitoring |
| CN106761916A (en) * | 2016-12-12 | 2017-05-31 | 中铁十九局集团第二工程有限公司 | Constructing tunnel water discharge method |
| CN109611148A (en) * | 2018-10-29 | 2019-04-12 | 中铁二院工程集团有限责任公司 | A kind of shunt method of removing contamination of the constructing tunnel waste water in the horizontal hole of single-track railway |
| CN109763859A (en) * | 2018-10-29 | 2019-05-17 | 中铁二院工程集团有限责任公司 | A kind of shunt method of removing contamination of the constructing tunnel waste water in the horizontal hole of double track railway |
| CN109869188A (en) * | 2019-04-08 | 2019-06-11 | 中钢集团马鞍山矿山研究院有限公司 | A kind of opencut is removed contamination the district drainage method of separation |
| CN110952992A (en) * | 2019-11-29 | 2020-04-03 | 中铁第四勘察设计院集团有限公司 | Superimposed line tunnel |
| CN112459834A (en) * | 2020-11-13 | 2021-03-09 | 中铁二十局集团第一工程有限公司 | Water collecting well, reverse slope tunnel and reverse slope tunnel drainage method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233742A (en) * | 2013-05-11 | 2013-08-07 | 中煤科工集团武汉设计研究院 | Treatment measure of bad geological section for long distance pipeline coal conveying |
| CN104875759A (en) * | 2015-05-26 | 2015-09-02 | 中铁十四局集团第五工程有限公司 | Water pump moving device used for tunnel adverse slope draining |
| CN104948226A (en) * | 2015-05-26 | 2015-09-30 | 中铁十四局集团第五工程有限公司 | Tunnel counter-slope drainage design method based on water inflow estimation and dynamic monitoring |
| CN106761916A (en) * | 2016-12-12 | 2017-05-31 | 中铁十九局集团第二工程有限公司 | Constructing tunnel water discharge method |
| CN106761916B (en) * | 2016-12-12 | 2019-03-01 | 中铁十九局集团第二工程有限公司 | Constructing tunnel water discharge method |
| CN109611148A (en) * | 2018-10-29 | 2019-04-12 | 中铁二院工程集团有限责任公司 | A kind of shunt method of removing contamination of the constructing tunnel waste water in the horizontal hole of single-track railway |
| CN109763859A (en) * | 2018-10-29 | 2019-05-17 | 中铁二院工程集团有限责任公司 | A kind of shunt method of removing contamination of the constructing tunnel waste water in the horizontal hole of double track railway |
| CN109763859B (en) * | 2018-10-29 | 2021-02-26 | 中铁二院工程集团有限责任公司 | Method for removing dirt and shunting tunnel construction wastewater of double-track railway crosshole |
| CN109869188A (en) * | 2019-04-08 | 2019-06-11 | 中钢集团马鞍山矿山研究院有限公司 | A kind of opencut is removed contamination the district drainage method of separation |
| CN109869188B (en) * | 2019-04-08 | 2020-11-06 | 中钢集团马鞍山矿山研究总院股份有限公司 | Segmented drainage method for cleaning and separating strip mine |
| CN110952992A (en) * | 2019-11-29 | 2020-04-03 | 中铁第四勘察设计院集团有限公司 | Superimposed line tunnel |
| CN112459834A (en) * | 2020-11-13 | 2021-03-09 | 中铁二十局集团第一工程有限公司 | Water collecting well, reverse slope tunnel and reverse slope tunnel drainage method |
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| CN102619560B (en) | 2014-01-08 |
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Effective date of registration: 20220817 Address after: No.2, hongsongyuan Beili, Chaoyang District, Beijing Patentee after: CHINA RAILWAY 16TH BUREAU GROUP Co.,Ltd. Patentee after: THE FIRST ENGINEERING CO., LTD. OF CHINA RAILWAY 16TH CONSTRUCTION BUREAU Group Address before: 100018 Beijing city Chaoyang District No. 2 North Pine dam Park Patentee before: CHINA RAILWAY 16TH BUREAU GROUP Co.,Ltd. |