CN112324493A - Deep large shaft bottom water intercepting and collecting system for railway tunnel - Google Patents
Deep large shaft bottom water intercepting and collecting system for railway tunnel Download PDFInfo
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- CN112324493A CN112324493A CN202010726952.7A CN202010726952A CN112324493A CN 112324493 A CN112324493 A CN 112324493A CN 202010726952 A CN202010726952 A CN 202010726952A CN 112324493 A CN112324493 A CN 112324493A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 238000005086 pumping Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 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)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A water intercepting and collecting system for the deep and large vertical shaft of railway tunnel is disclosed, which can effectively collect and discharge underground water at the bottom of shaft, ensure the working environment in tunnel and ensure the safety of construction in the work area of vertical shaft. The system comprises a water intercepting structure and a water collecting system, wherein the water collecting system comprises a water collecting bin and a water collecting well, the outer end of the water collecting bin is communicated with a tunnel, a drainage pump house is arranged above the tail end of the water collecting bin, the drainage pump house is connected with a vertical shaft and a shaft bottom channel through a drainage channel, and two ends of the shaft bottom channel are connected with the tunnel; the water interception structure comprises a concrete water blocking block and a water interception tank, wherein the concrete water blocking block is arranged at a shaft bottom channel and a tunnel, so that underground water can naturally flow to the lower end operation surface of the lower end tunnel and is pumped, drained and collected into the water collection bin; the water intercepting tank is arranged at the joint of the tunnel and the water collecting bin, and underground water at the high end of the tunnel is naturally overflown and collected into the water collecting bin; and a water pumping device is arranged in the drainage pump room in a centralized manner, and underground water in the water collecting bin is pumped and discharged out of the hole through a drainage channel and a vertical shaft.
Description
Technical Field
The invention relates to a railway tunnel, in particular to a water intercepting and collecting system at the bottom of a deep large vertical shaft of the railway tunnel.
Background
With the vigorous development of railway engineering in China, a plurality of extra-long railway tunnels with deep and large vertical shafts emerge in west hard mountainous areas, particularly transverse mountains. The geological conditions of the western mountainous area are complex, the cracks of the rock mass are developed and irregular, and in addition, the underground water in the work area of the railway tunnel shaft is large in water quantity, high in water pressure and irregular due to the fact that the buried depth of the bottom of the deep large shaft is large. How to collect scattered and seal-free underground water in the tunnel, ensure the working environment in the tunnel, realize the centralized discharge of the underground water, prevent well flooding accidents, and become a big problem to be solved in a railway tunnel shaft work area.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a shaft bottom water intercepting and collecting system for a deep and large shaft of a railway tunnel, so that underground water at the shaft bottom is effectively collected and discharged, the operating environment in the tunnel is guaranteed, and the construction safety of a shaft work area is ensured.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention relates to a water intercepting and collecting system for a deep and large vertical shaft bottom of a railway tunnel, which comprises a water intercepting structure and a water collecting system and is characterized in that: the water collecting system comprises a water collecting bin and a water collecting well, the outer end of the water collecting bin is communicated with the tunnel, a drainage pump house is arranged above the tail end of the water collecting bin, the drainage pump house is connected with the vertical shaft and the shaft bottom channel through a drainage channel, and two ends of the shaft bottom channel are connected with the tunnel; the water interception structure comprises a concrete water blocking block and a water interception groove, wherein the concrete water blocking block is arranged at a shaft bottom channel and a tunnel, so that underground water can naturally flow to the lower end operation surface of the lower end tunnel, and is pumped, drained and collected into the water collection bin; the water intercepting tank is arranged at the joint of the tunnel and the water collecting bin, and underground water at the high end of the tunnel is naturally overflown and collected into the water collecting bin; and a water pumping device is arranged in the drainage pump room in a centralized manner, and underground water in the water collecting bin is pumped and discharged out of the hole through a drainage channel and a vertical shaft.
The water collecting bin comprises a main water collecting bin and an auxiliary water collecting bin which are annularly distributed, and a water collecting well is communicated with the tail ends of the main water collecting bin and the auxiliary water collecting bin.
The invention has the advantages that the system is internally provided with the water interception structure and the water collection system, scattered underground water in the tunnel is collected through the water interception structure, the comfortable construction operation environment of the well bottom is ensured, and the water collection system has sufficient water storage capacity and discharge capacity and can ensure the construction safety of the vertical shaft work area; the system is simple and clear in arrangement, and has very obvious social and economic benefits and application values because all facilities are connected in order.
Drawings
The specification includes the following three drawings:
FIG. 1 is a schematic plan view of a shaft bottom water intercepting and collecting system in the shaft bottom water intercepting and collecting system of the deep and large shaft of the railway tunnel;
FIG. 2 is a schematic cross-sectional view of a water collecting bin in the bottom water intercepting and collecting system of the deep and large vertical shaft of the railway tunnel;
FIG. 3 is a schematic sectional view of a drainage pump house in the bottom water intercepting and collecting system of the deep and large shaft of the railway tunnel;
the figure shows the components, the part names and the corresponding marks: the system comprises a tunnel 10, a low end 10b, a high end 10a, a vertical shaft 11, a concrete water stop block 21, a water intercepting tank 22, a main water collecting bin 31a, an auxiliary water collecting bin 31b, a drainage pump room 32, a drainage channel 33, a well bottom channel 34 and a water collecting well 36.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, the bottom water intercepting and collecting system of the deep and large vertical shaft of the railway tunnel comprises a water intercepting structure and a water collecting system. The water collecting system comprises a water collecting bin and a water collecting well 36, the outer end of the water collecting bin is communicated with the tunnel 10, a drainage pump house 32 is arranged above the tail end of the water collecting bin, the drainage pump house 32 is connected with the vertical shaft 11 and the shaft bottom channel 34 through a drainage channel 33, two ends of the shaft bottom channel 34 are connected with the tunnel 10, the water collecting system has sufficient water storage capacity and discharge capacity, and the construction safety of a vertical shaft work area can be ensured. The water interception structure comprises a concrete water blocking block 21 and a water interception groove 22, so that scattered underground water in the hole can be collected, and a comfortable construction operation environment at the bottom of the hole is guaranteed. The concrete water retaining block 21 is arranged at the position of the underground channel 34 and the tunnel 10, so that underground water can naturally flow to the operation surface of the lower end 10b of the lower end tunnel 10 and is pumped, drained and collected in the water collecting bin. The water intercepting tank 22 is arranged at the joint of the tunnel 10 and the water collecting bin, and underground water in the high end 10a of the tunnel 10 naturally overflows and collects into the water collecting bin, so that the underground water at the high end of the tunnel is prevented from overflowing to a waterless area. And a water pumping device is arranged in the drainage pump room 32 in a centralized manner, and underground water in the water collecting bin is pumped and discharged out of the tunnel through the drainage channel 33 and the vertical shaft 20.
Referring to fig. 1 to 3, the water collecting bin comprises a main water collecting bin 31a and an auxiliary water collecting bin 31b which are annularly arranged, and a water collecting well 36 is communicated with the tail ends of the main water collecting bin 31a and the auxiliary water collecting bin 31 b. And ensures that the water storage capacity of the water collection bin 31a and the auxiliary water collection bin 31b is higher than the maximum water inflow amount of the tunnel 10. The drainage pump house 32 is disposed between the sump and the shaft 11, and the drainage passage 33 is disposed between the drainage pump house 32 and the upside of the ingate of the shaft 20. The water pumping equipment and the drainage pipeline are arranged in the drainage pump house 32, and the underground water is pumped and drained out of the hole through the drainage channel 33 and the vertical shaft 11. The drainage channel 33 is used for placing a drainage pipeline and can avoid mutual interference between the drainage pipeline and concrete feeding work at the ingate.
The bottom of the intercepting water tank 22 is paved with gravels with a certain thickness to prevent siltation.
The foregoing is illustrative of the principles of the present invention for the bottom intercepting and catchment system of a deep and large shaft of a railway tunnel and is not intended to limit the invention to the specific constructions and applications shown and described, and it is intended to cover all modifications and equivalents as may be employed within the scope of the invention.
Claims (4)
1. The deep and large shaft bottom water intercepting and collecting system for railway tunnel includes water intercepting structure and water collecting system, and features that: the water collecting system comprises a water collecting bin and a water collecting well, the outer end of the water collecting bin is communicated with the tunnel (10), a drainage pump room (32) is arranged above the tail end of the water collecting bin, the drainage pump room (32) is connected with the vertical shaft (11) and the shaft bottom channel (34) through a drainage channel (33), and two ends of the shaft bottom channel (34) are connected with the tunnel (10); the water intercepting structure comprises a concrete water retaining block (21) and a water intercepting tank (22), wherein the concrete water retaining block (21) is arranged at a shaft bottom channel (34) and a tunnel (10), so that underground water can naturally flow to the operation surface of the lower end (10b) of the lower end tunnel (10) and is pumped, drained and collected into a water collecting bin; the water intercepting tank (22) is arranged at the joint of the tunnel (10) and the water collecting bin, and underground water in the high end (10a) of the tunnel (10) is naturally overflown and collected into the water collecting bin; and water pumping equipment is arranged in the drainage pump room (32) in a centralized manner, and underground water in the water collecting bin is pumped and discharged out of the hole through the drainage channel (33) and the vertical shaft (20).
2. The bottom water intercepting and collecting system for the deep and large shaft of the railway tunnel as claimed in claim 1, wherein: the water collecting bin comprises a main water collecting bin (31a) and an auxiliary water collecting bin (31b) which are annularly distributed, and the water collecting well is communicated with the tail ends of the main water collecting bin (31a) and the auxiliary water collecting bin (31 b).
3. The bottom water intercepting and collecting system for the deep and large shaft of the railway tunnel as claimed in claim 1, wherein: the drainage pump room (32) is arranged between the water collecting bin and the vertical shaft (11), and the drainage channel (33) is arranged between the upside of the ingate of the vertical shaft (20) and the drainage pump room (32).
4. The bottom water intercepting and collecting system for the deep and large shaft of the railway tunnel as claimed in claim 1, wherein: and gravels with a certain thickness are paved at the bottom of the water intercepting tank (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010726952.7A CN112324493A (en) | 2020-07-26 | 2020-07-26 | Deep large shaft bottom water intercepting and collecting system for railway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010726952.7A CN112324493A (en) | 2020-07-26 | 2020-07-26 | Deep large shaft bottom water intercepting and collecting system for railway tunnel |
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| CN112324493A true CN112324493A (en) | 2021-02-05 |
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| CN202010726952.7A Pending CN112324493A (en) | 2020-07-26 | 2020-07-26 | Deep large shaft bottom water intercepting and collecting system for railway tunnel |
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| JP2010101062A (en) * | 2008-10-23 | 2010-05-06 | Ohbayashi Corp | Drainage structure of underground water, and construction method for tunnel equipped with the drainage structure |
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Application publication date: 20210205 |
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