CN112012789A - Shaft bottom collection drainage system of railway tunnel long and large inclined shaft - Google Patents
Shaft bottom collection drainage system of railway tunnel long and large inclined shaft Download PDFInfo
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- CN112012789A CN112012789A CN202010728572.7A CN202010728572A CN112012789A CN 112012789 A CN112012789 A CN 112012789A CN 202010728572 A CN202010728572 A CN 202010728572A CN 112012789 A CN112012789 A CN 112012789A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 149
- 238000005086 pumping Methods 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 10
- 239000003673 groundwater Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 206010013647 Drowning Diseases 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- 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
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- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
A shaft bottom centralized drainage system of a long and large inclined shaft of a railway tunnel is characterized in that various galleries for water collection and drainage are arranged at the shaft bottom of the long and large inclined shaft, so that underground water is pumped and drained in a centralized manner, and the safety of construction of a working area of the long and large inclined shaft of the tunnel is ensured. The system comprises a water collecting tunnel and a water draining tunnel which are arranged at the bottom of an inclined shaft, wherein a pump room for installing pumping and draining equipment in a centralized manner is arranged in the water draining tunnel; the water collecting tunnel consists of a water collecting bin and a water collecting well, the water collecting bin is arranged between the tunnel and the inclined shaft, the height of the top of the water collecting bin is lower than the height of the bottom of the pump house, underground water in the low-end tunnel is pumped and drained into the water collecting bin, the underground water in the high-end tunnel is intercepted at the intersection of the water collecting bin and the tunnel and then is collected into the water collecting bin, and the water energy of the water collecting storage is higher than the maximum water inflow of the tunnel; the water collecting well is arranged at the bottom of the side, close to the pump room, of the water collecting bin and is connected with the pump room and the water collecting bin, the water level in the water collecting well is consistent with the water level in the water collecting bin, and therefore centralized pumping and drainage of underground water in the water collecting bin by pumping and drainage equipment in the pump room are guaranteed.
Description
Technical Field
The invention relates to a railway tunnel, in particular to a drainage system at the bottom of a long and large inclined shaft of the railway tunnel.
Background
In recent years, railway tunnel engineering in China is rapidly developed, a large number of extra-long railway tunnels are built in western regions, and in order to realize 'short driving of long tunnels' and solve the problems of ventilation, drainage and the like of the tunnels, a long inclined shaft is mostly arranged in the middle of a tunnel body. The west mountain area structure movement is strong, the rock mass fragmentation is serious, the tunnel area water storage bedrock crack is developed and irregular, and the bottom burial depth of the long and large inclined shaft is larger, so that the underground water in the railway tunnel shaft work area presents the characteristics of large water quantity, high water pressure and irregularity.
The reverse slope drainage of the long and large inclined shaft is a key for restricting the successful construction of the long and large inclined shaft, and the scheme of arranging a water sump for graded pumping drainage in the tunnel and the inclined shaft is adopted in the past engineering. Because the underground water of the deep-buried tunnel has large burst amount, particularly for the condition of burst water, the problems of insufficient water storage amount of a dispersed water sump and difficult emergency pumping realization of the dispersed water sump are exposed by the graded pumping drainage, so that the risk of flooding the well is large, in addition, a large amount of pumping drainage equipment is arranged in each level of water sump by the graded pumping drainage, and the daily equipment maintenance workload is also large. Therefore, how to set up the drainage system of the long and large inclined shaft of the railway tunnel ensures the safe and orderly construction of the work area of the inclined shaft, and the problem to be solved is urgent.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a shaft bottom centralized drainage system of a long and large inclined shaft of a railway tunnel, and various galleries for water collection and drainage are arranged at the shaft bottom of the long and large inclined shaft to realize centralized pumping drainage of underground water and ensure the safety of construction of a working area of the long and large inclined shaft of the tunnel.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention relates to a shaft bottom collection drainage system of a long and large inclined shaft of a railway tunnel, which is characterized in that: the system comprises a water collecting tunnel and a water draining tunnel which are arranged at the bottom of an inclined shaft, wherein a pump room for installing pumping and draining equipment in a centralized manner is arranged in the water draining tunnel; the water collecting tunnel consists of a water collecting bin and a water collecting well, the water collecting bin is arranged between the tunnel and the inclined shaft, the height of the top of the water collecting bin is lower than the height of the bottom of the pump house, underground water in the low-end tunnel is pumped and drained into the water collecting bin, the underground water in the high-end tunnel is intercepted at the intersection of the water collecting bin and the tunnel and then is collected into the water collecting bin, and the water energy of the water collecting storage is higher than the maximum water inflow of the tunnel; the water collecting well is arranged at the bottom of the side, close to the pump room, of the water collecting bin and is connected with the pump room and the water collecting bin, the water level in the water collecting well is consistent with the water level in the water collecting bin, and therefore centralized pumping and drainage of underground water in the water collecting bin by pumping and drainage equipment in the pump room are guaranteed.
The water collecting bin consists of an annular main water collecting bin and an annular auxiliary water collecting bin which are arranged between the tunnel and the inclined shaft; the water collecting well comprises a main water collecting well and an auxiliary water collecting well which are respectively arranged at the annular main water collecting bin and the annular auxiliary water collecting bin and are close to the side bottom of the pump room, and a transverse communication channel communicated with the main water collecting well and the auxiliary water collecting well is arranged at the bottom of the pump room, so that underground water levels in the annular main water collecting bin and the annular auxiliary water collecting bin are kept consistent, and the water collecting bin is ensured to reach the maximum water storage capacity.
The invention has the advantages that the water collecting tunnel and the water draining tunnel are arranged at the bottom of the inclined shaft, underground water at the bottom of the inclined shaft is collected through the water collecting tunnel, and the inclined shaft has sufficient water storage capacity, so that the inclined shaft flooding risk can be greatly reduced, and the construction safety is ensured; the pumping drainage electromechanical equipment is arranged in the drainage tunnel in a centralized manner, so that the centralized pumping drainage of underground water can be realized, and meanwhile, the equipment is simple and convenient to maintain during construction, and has very remarkable social and economic benefits and application values.
Drawings
The specification includes the following three drawings:
FIG. 1 is a schematic plan view of a slant well bottom collection drainage system in the long and large slant well bottom collection drainage system of the railway tunnel according to the present invention;
FIG. 2 is a schematic sectional view of a drainage tunnel in the drainage system of the bottom of the extended inclined shaft of the railway tunnel according to the present invention;
FIG. 3 is a schematic cross-sectional view of a pump house in the drainage system of the bottom of the long and large inclined shaft of the railway tunnel;
the figure shows the components, the part names and the corresponding marks: tunnel 10, inclined shaft 11, annular main water collecting bin 21a, annular auxiliary water collecting bin 21b, main water collecting well 22a, auxiliary water collecting well 22b, transverse communication channel 23, pump room 31, pipeline 32 and pedestrian passageway 33.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, the shaft bottom collection and drainage system of the long and large inclined shaft of the railway tunnel comprises a water collection tunnel and a drainage tunnel which are arranged at the shaft bottom of the inclined shaft, wherein a pump room 31 for installing pumping and drainage equipment in a centralized manner is arranged in the drainage tunnel. The sump pit comprises sump pit, and the sump pit sets up between tunnel 10 and inclined shaft 11, sump pit top elevation is less than 31 hole bottom elevation of pump house, in the groundwater pump drainage to sump pit in the low end tunnel 10, in the high end tunnel 10 groundwater collects to the sump pit in after sump pit and tunnel 10 cross section damming, water-collecting storage hydroenergy is higher than the tunnel 10 biggest volume of gushing water, collect well bottom groundwater through the sump pit, and possess sufficient water storage capacity, but greatly reduced inclined shaft drowning risk, guarantee the safety of construction. The sump is arranged at the bottom of the side, close to the pump room 31, of the sump, the pump room 31 is connected with the sump, the water level in the sump is consistent with that in the sump, the centralized pumping and drainage of underground water in the sump by pumping and drainage equipment in the pump room 31 are ensured, and the equipment maintenance is simple and convenient during construction.
Referring to fig. 1 and 2, the sump is composed of a main annular sump 21a and an auxiliary annular sump 21b provided between the tunnel 10 and the inclined shaft 11. The water collecting well comprises a main water collecting well 22a and an auxiliary water collecting well 22b which are respectively arranged at the bottom of the annular main water collecting bin 21a and the annular auxiliary water collecting bin 21b close to the side of the pump room 31, and a transverse communication channel 23 communicated with the main water collecting well 22a and the auxiliary water collecting well 22b is arranged at the bottom of the pump room 31, so that the underground water levels of the annular main water collecting bin 21a and the annular auxiliary water collecting bin 21b are kept consistent, the water collecting bin is ensured to reach the maximum water storage capacity, and the construction safety is ensured.
Referring to fig. 1 and 2, the pump room 31 is disposed between the water collecting bin and the inclined shaft 11, two ends of the pump room 31 are respectively connected with the inclined shaft 10 through the pipeline 32 and the pedestrian passage 33, a pumping device and a drainage pipeline are arranged in the pump room 31, and underground water in the water collecting shaft 22 is pumped and discharged out of the hole through the pipeline 32 and the inclined shaft 11. Referring to fig. 1, a pipeline 32 is provided between the slant well 11 and the pump room 31 for placing a drainage pipeline and connecting the slant well 11 and the pump room 31 together. The pedestrian passageway 33 is arranged between the inclined shaft 11 and the pump room 31 and used for the passage of maintainers of pumping and draining equipment and connecting the inclined shaft 11 and the pump room 31 together.
The foregoing is illustrative of the principles of the present invention for a long slant well bottom assembly and drainage system for a railway tunnel, and is not intended to limit the invention to the exact construction and operation shown and described, and accordingly, all modifications and equivalents that may be resorted to are intended to fall within the scope of the invention.
Claims (3)
1. A drainage system is collected at the bottom of a long inclined shaft of a railway tunnel, which is characterized in that: comprises a water collecting tunnel and a water draining tunnel which are arranged at the bottom of an inclined shaft, wherein a pump room (31) for installing pumping equipment in a centralized manner is arranged in the water draining tunnel; the water collecting tunnel consists of a water collecting bin and a water collecting well, the water collecting bin is arranged between the tunnel (10) and the inclined shaft (11), the height of the top of the water collecting bin is lower than the height of the bottom of the pump house (31), underground water in the low-end tunnel (10) is pumped and discharged into the water collecting bin, the underground water in the high-end tunnel (10) is intercepted at the intersection of the water collecting bin and the tunnel (10) and then is collected into the water collecting bin, and the water storing capacity of the water collecting bin is higher than the maximum water inflow of the tunnel (10); the sump is arranged at the bottom of the side, close to the pump room (31), of the sump, the pump room (31) is connected with the sump, the water level in the sump is consistent with the water level in the sump, and the centralized pumping and drainage of underground water in the sump by pumping and drainage equipment in the pump room (31) is ensured.
2. The bottom-collecting drainage system for the long inclined shaft of the railway tunnel as claimed in claim 1, wherein: the water collecting bin consists of an annular main water collecting bin (21a) and an annular auxiliary water collecting bin (21b) which are arranged between the tunnel (10) and the inclined shaft (11); the water collecting well comprises a main water collecting well (22a) and an auxiliary water collecting well (22b) which are respectively arranged at an annular main water collecting bin (21a) and an annular auxiliary water collecting bin (21b) and are close to the side bottom of the pump room (31), and a transverse communication channel (23) communicated with the main water collecting well (22a) and the auxiliary water collecting well (22b) is arranged at the bottom of the pump room (31), so that underground water levels in the annular main water collecting bin (21a) and the annular auxiliary water collecting bin (21b) are kept consistent, and the water collecting bin is ensured to reach the maximum water storage capacity.
3. The bottom-collecting drainage system for the long inclined shaft of the railway tunnel as claimed in claim 1, wherein: the pump house (31) is arranged between the water collecting bin and the inclined shaft (11), two ends of the pump house (31) are respectively connected with the inclined shaft (10) through a pipeline (32) and a pedestrian passage (33), a water pumping device and a water drainage pipeline are arranged in the pump house (31), and underground water in the water collecting well (22) is pumped and drained out of the hole through the pipeline (32) and the inclined shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728572.7A CN112012789A (en) | 2020-07-26 | 2020-07-26 | Shaft bottom collection drainage system of railway tunnel long and large inclined shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728572.7A CN112012789A (en) | 2020-07-26 | 2020-07-26 | Shaft bottom collection drainage system of railway tunnel long and large inclined shaft |
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|---|---|
| CN112012789A true CN112012789A (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010728572.7A Pending CN112012789A (en) | 2020-07-26 | 2020-07-26 | Shaft bottom collection drainage system of railway tunnel long and large inclined shaft |
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| CN (1) | CN112012789A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483185A (en) * | 2022-02-17 | 2022-05-13 | 中铁二院工程集团有限责任公司 | Overflow-prevention structure for operating period of diffusion-accumulation inclined shaft and construction method |
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| CN105604607A (en) * | 2016-03-02 | 2016-05-25 | 中铁第一勘察设计院集团有限公司 | Flow splitting system between ditches in two sides in water-rich tunnel provided with inclined shafts and flow splitting method of flow splitting system |
| CN207131448U (en) * | 2017-08-17 | 2018-03-23 | 中铁二院工程集团有限责任公司 | The tunnel new pinniform of quick counter-slope construction rich water section cuts drain structure |
| CN108266225A (en) * | 2018-02-02 | 2018-07-10 | 中铁隧道局集团有限公司 | A kind of mobile tunnel construction relay pump drainage water installations |
| CN207673371U (en) * | 2017-12-27 | 2018-07-31 | 中铁二院工程集团有限责任公司 | A kind of novel tunnel drainage system construction |
| CN209083331U (en) * | 2018-11-01 | 2019-07-09 | 长安大学 | A kind of long tunnel inclined shaft start tunneling district drainage system |
| CN110185493A (en) * | 2019-06-26 | 2019-08-30 | 中铁二十三局集团第三工程有限公司 | Major long tunnel counter-slope drainage and construction method under a kind of complex geological condition |
| CN111173563A (en) * | 2020-03-04 | 2020-05-19 | 中铁第六勘察设计院集团有限公司 | Merging structure in tunnel drainage system and construction method |
-
2020
- 2020-07-26 CN CN202010728572.7A patent/CN112012789A/en active Pending
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| CN102720266A (en) * | 2012-06-18 | 2012-10-10 | 上海市城市建设设计研究总院 | Siphon type dredging device for water storage and drainage tunnel |
| CN202937303U (en) * | 2012-12-14 | 2013-05-15 | 中铁二十三局集团有限公司 | Drainage system for extra-long tunnel |
| CN105604607A (en) * | 2016-03-02 | 2016-05-25 | 中铁第一勘察设计院集团有限公司 | Flow splitting system between ditches in two sides in water-rich tunnel provided with inclined shafts and flow splitting method of flow splitting system |
| CN207131448U (en) * | 2017-08-17 | 2018-03-23 | 中铁二院工程集团有限责任公司 | The tunnel new pinniform of quick counter-slope construction rich water section cuts drain structure |
| CN207673371U (en) * | 2017-12-27 | 2018-07-31 | 中铁二院工程集团有限责任公司 | A kind of novel tunnel drainage system construction |
| CN108266225A (en) * | 2018-02-02 | 2018-07-10 | 中铁隧道局集团有限公司 | A kind of mobile tunnel construction relay pump drainage water installations |
| CN209083331U (en) * | 2018-11-01 | 2019-07-09 | 长安大学 | A kind of long tunnel inclined shaft start tunneling district drainage system |
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| CN111173563A (en) * | 2020-03-04 | 2020-05-19 | 中铁第六勘察设计院集团有限公司 | Merging structure in tunnel drainage system and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483185A (en) * | 2022-02-17 | 2022-05-13 | 中铁二院工程集团有限责任公司 | Overflow-prevention structure for operating period of diffusion-accumulation inclined shaft and construction method |
| CN114483185B (en) * | 2022-02-17 | 2022-09-13 | 中铁二院工程集团有限责任公司 | Overflow-prevention structure for operating period of diffusion-accumulation inclined shaft and construction method |
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Application publication date: 20201201 |