CN203383854U - Buffering system for solving problem of tunnel local sudden water burst - Google Patents

Buffering system for solving problem of tunnel local sudden water burst Download PDF

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Publication number
CN203383854U
CN203383854U CN201320457952.7U CN201320457952U CN203383854U CN 203383854 U CN203383854 U CN 203383854U CN 201320457952 U CN201320457952 U CN 201320457952U CN 203383854 U CN203383854 U CN 203383854U
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China
Prior art keywords
water
tunnel
burst
pool
buffer pool
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Expired - Fee Related
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CN201320457952.7U
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Chinese (zh)
Inventor
方勇
符亚鹏
张雪金
曹礼聪
周超月
彭佩
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Southwest Jiaotong University
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Southwest Jiaotong University
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Abstract

The utility model discloses a buffering system for solving the problem of tunnel local sudden water burst. Accumulated water in a tunnel is discharged out of the tunnel through a central ditch. A water collecting pool is arranged in a sudden water burst area on the outer side of the tunnel. A buffering pool is arranged on the outer side of the water collecting pool. The water collecting pool is connected with the buffering pool through a water releasing passage. The buffering pool is connected with the central ditch through a drain pipe. A valve is arranged on the drain pipe. A dewatering pump is arranged in the buffering pool. A water outlet of the dewatering pump is connected with a water inlet of the drain pipe. According to the buffering system, a temporary water storage function of the buffering pool is used for collecting and discharging tunnel local sudden burst water timely, water in the water burst area is prevented from seeping to the ground, impact and extrusion of water burst on a tunnel wall are reduced, a safety pressure releasing function is achieved, and tunnel safety is favored. The buffering system can be arranged in any water burst area in a tunnel and is convenient to build and use.

Description

For solving the buffer system of the local burst in tunnel water burst
Technical field
The utility model relates to the auxiliary drainage system in a kind of tunnel, relates in particular to a kind of for solving the buffer system of the local burst in tunnel water burst.
Background technology
Due to tunnel construction, under earth's surface, the water burst in the karst of stratum is corroded tunnel constantly, causes the percolating water in tunnel.The percolating water in tunnel not only greatly reduces application life and the function of various facilities in tunnel, and the operating environment for the tunnel safety driving causes very big impact simultaneously, for ensureing tunnel safety and normal operation, need carry out the anti-draining in tunnel.Suddenly rain cats and dogs on earth's surface etc. and to cause the zone of the local burst in tunnel water burst, as tunnel internal drainage scarce capacity easily causes in tunnel occurring ponding, in addition, as part burst water burst can not be drained in time, the outer hydraulic pressure of tunnel surrounding also can pose a big pressure to tunnel structure, reaches safely normal operation for tunnel structure and brings hidden danger.
In the Drainage Design of existing tunnel, be directed to the conventional water burst in tunnel, the system that adopts circle draining blind pipe, longitudinal drainage pipe, transverse drain, central row ditch (calling the center ditch in the following text) to form solves the tunnel drainage problem.The flow process of water burst is: country rock → circle draining blind pipe → longitudinal drainage pipe → transverse drainage blind pipe → Gou→Dong out outlet, center, at a certain distance along the hole chow ring to laying the circle draining blind pipe, circle draining blind pipe lower end is connected with the longitudinal drainage pipe, the longitudinal drainage pipe leaves a delivery port every 10-20m, the ,Jing center ditch that is connected with longitudinal drainage Guan He center ditch by transverse drain is discharged; The country rock infiltration enters the circle draining blind pipe, the water of longitudinal drainage manifold collection circle draining blind pipe, and the water that enters Gou, center, center ditch by transverse drain is finally discharged by outlet opening outside hole.This system that " circle draining blind pipe-longitudinal drainage pipe-transverse drain-center ditch " forms can solve the conventional water burst problem during the tunnel operation.
Suddenly rain cats and dogs etc. and to cause the local burst in tunnel water burst for earth's surface, on the one hand, the outer water burst hydraulic pressure of tunnel surrounding can cause very large pressure to tunnel structure, this is not become to consider in the existing tunnel design, on the other hand, due to part burst water burst, the water yield of being collected by the circle draining blind pipe can increase, the water yield of remittance center ditch can increase, this can increase the discharge pressure of center ditch to a certain extent, easily cause center ditch water discharge scarce capacity, when Tunnel Gushing passes through center ditch overflow to tunnel surface, this just for the various facilities in tunnel, uses and traffic safety is brought certain potential safety hazard, fail equally to consider the appearance of this kind of situation in existing Tunnel Design.
The utility model content
The purpose of this utility model provides a kind of for solving the buffer system of the local burst in tunnel water burst with regard to being in order to address the above problem.
In order to achieve the above object, the utility model has adopted following technical scheme:
Described in the utility model for solving the buffer system of the local burst in tunnel water burst, ponding in described tunnel is expelled to outside tunnel by the center ditch, (tunnel is at the construction phase of exploration in the burst water burst zone in the outside, described tunnel, burst water burst zone can be determined, burst water burst flow is determined according to actual survey) be provided with collecting-tank, the described collecting-tank outside is provided with Buffer Pool, between described collecting-tank and described Buffer Pool, by drainage gallery, be connected, between described Buffer Pool and described center ditch, by gutter, be connected, on described gutter, valve is installed, be provided with drainage pump in described Buffer Pool, the delivery port of described drainage pump is connected with the water inlet of described gutter.As long as burst water burst zone occurs under its water burst pressure-acting, by drainage gallery, flowing into Buffer Pool by water burst, realize instant draining; After water burst, the water in Buffer Pool directly enters the center ditch by gutter, for next water burst is prepared.
In order to realize automatic control, described valve is electric control valve, in the ditch of described center and in the zone of described Buffer Pool correspondence position, water level detection gauge is installed, top and bottom in described Buffer Pool are separately installed with top water level sensor and bottom water level sensor, the signal output part of described water level detection gauge, the signal output part of the signal output part of described top water level sensor and described bottom water level sensor is connected with the signal input part of controller respectively, the control output end of described controller is connected with the control input end of described electric control valve and the control input end of described drainage pump respectively.
The beneficial effects of the utility model are:
The utility model utilizes the interim village water function of Buffer Pool to realize the timely collection of the local burst in tunnel water burst, avoid the water in water burst zone to be penetrated into ground, slowed down impact and the extruding of water burst to tunnel wall, play the pressure release effect, simultaneously, when the water burst that partly happens suddenly leaks into Buffer Pool, in tunnel, the water yield of center ditch also can reduce, and has ensured the safety of center ditch water discharge; After water burst, high according to the water in the ditch of center, realize the timesharing safety dumping by gutter, finally realize being beneficial to tunnel safety by safety relief; This buffer system can be located at any water burst zone in tunnel, builds and uses all very convenient.
The accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of buffer system described in the utility model;
Fig. 2 is the section structure enlarged diagram of C-C direction in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described in detail:
As depicted in figs. 1 and 2, buffer system described in the utility model is applied to tunnel drainage system, in tunnel drainage system, circle draining blind pipe (not shown) enters longitudinal drainage pipe 1 by water, the water of longitudinal drainage pipe 1 imports the transverse drain (not shown) successively, the flow of transverse drain imports center ditch 2 successively, and the water in center ditch 2 is discharged to outside tunnel.In Fig. 1, section A is tunnel open roof draining starting point, and section B is the drain cavern starting point.
As depicted in figs. 1 and 2, in buffer system described in the utility model, the Z(tunnel, burst water burst zone in the outside, tunnel is at the construction phase of exploration, burst water burst zone Z can determine, burst water burst flow is determined according to actual survey) be provided with collecting-tank 3, the outside of collecting-tank 3 is provided with Buffer Pool 5, between collecting-tank 3 and Buffer Pool 6, by drainage gallery 4, be connected, between Buffer Pool 5 and center ditch 2, by gutter 8, be connected, valve 9 is installed on gutter 8, be provided with drainage pump 11 in Buffer Pool 5, the delivery port of drainage pump 11 is connected with the water inlet of gutter 8.As long as water burst appears in burst water burst zone Z, under its water burst pressure-acting, by drainage gallery 4, flow into Buffer Pool 5, realize instant draining; After water burst, the water in Buffer Pool 5 directly enters center ditch 2 by gutter 8, for next water burst is prepared.
According to practical situations, the control of valve 9 and drainage pump 11 is divided into manual control and automatically controls two kinds, if manually control, 11 of valve 9 and drainage pumps adopt manually-operated gates and manual drainage pump, if adopt automatically, control, 11 of valve 9 and drainage pumps adopt electric control valve and automatically controlled drainage pump, and also need to increase water level detection gauge 7, top water level sensor 10, bottom water level sensor 12 and controller (not shown), for detection of the water level detection gauge 7 of water level, be installed in center ditch 2 in the zone with Buffer Pool 5 correspondence positions, top water level sensor 10 and bottom water level sensor 12 are installed on respectively top and the bottom in Buffer Pool 5, the signal output part of water level detection gauge 7, the signal output part of the signal output part of top water level sensor 10 and bottom water level sensor 12 is connected with the signal input part of controller respectively, the control output end of controller is connected with the control input end of drainage pump 11 with the control input end of valve 9 respectively.
In conjunction with Fig. 1 and Fig. 2, buffer system employing following methods described in the utility model is controlled: when the height of establishing center ditch 2 is above with the high 0.8h of being of water of Buffer Pool 5 correspondence positions in h ,Dang center ditch 2, close the valve 9 on drainage pump 11 and gutter 8; While being 0.3h~0.8h with the water height of Buffer Pool 5 correspondence positions in center ditch 2, if estimate that the hypomere time upstream water yield can not increase, the valve 9 on opening water discharge pump 11 and gutter 8, if estimate that the hypomere time upstream water yield can increase, close the valve 9 on drainage pump 11 and gutter 8; In center ditch 2, with water height of Buffer Pool 5 correspondence positions, be 0.3h when following, the valve 9 on opening water discharge pump 11 and gutter 8, until the interior water of Buffer Pool 5 is drained, then close the valve 9 on drainage pump 11 and gutter 8.Above-mentioned control method (comprises collecting-tank 3, drainage gallery 4, Buffer Pool 5, drainage pump 11, gutter 8 and the valve 9 corresponding with burst water burst zone Z to each buffer cell, be a buffer cell in this example, a plurality of buffer cells arranged in practical application) all applicable.In concrete control procedure, can adopt above-mentioned control manually or automatically, detailed process repeats no more.

Claims (2)

1. one kind for solving the buffer system of the local burst in tunnel water burst, ponding in described tunnel is expelled to outside tunnel by the center ditch, it is characterized in that: the burst water burst region division in the outside, described tunnel has collecting-tank, the described collecting-tank outside is provided with Buffer Pool, between described collecting-tank and described Buffer Pool, by drainage gallery, be connected, between described Buffer Pool and described center ditch, by gutter, be connected, on described gutter, valve is installed, be provided with drainage pump in described Buffer Pool, the delivery port of described drainage pump is connected with the water inlet of described gutter.
2. buffer system according to claim 1, it is characterized in that: described valve is electric control valve, in the ditch of described center and in the zone of described Buffer Pool correspondence position, water level detection gauge is installed, top and bottom in described Buffer Pool are separately installed with top water level sensor and bottom water level sensor, the signal output part of described water level detection gauge, the signal output part of the signal output part of described top water level sensor and described bottom water level sensor is connected with the signal input part of controller respectively, the control output end of described controller is connected with the control input end of described electric control valve and the control input end of described drainage pump respectively.
CN201320457952.7U 2013-07-30 2013-07-30 Buffering system for solving problem of tunnel local sudden water burst Expired - Fee Related CN203383854U (en)

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103382853A (en) * 2013-07-30 2013-11-06 西南交通大学 Buffer system for draining local burst gushing water of tunnel and control method
CN108194145A (en) * 2018-03-15 2018-06-22 中国矿业大学(北京) Mine water disaster alarm system based on infrared image
CN108223008A (en) * 2018-03-02 2018-06-29 中铁第六勘察设计院集团有限公司 A kind of buried Underwater Traffic Tunnel wastewater disposal basin dischargeable capacity optimization structure of Mining Method
CN108252741A (en) * 2018-03-15 2018-07-06 中国矿业大学(北京) Coal working face floods alarm system based on infrared image
CN108457699A (en) * 2018-03-15 2018-08-28 中国矿业大学(北京) Driving face floods alarm system based on infrared image
CN112050998A (en) * 2020-09-18 2020-12-08 辽宁工程技术大学 Tunnel construction model test device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103382853A (en) * 2013-07-30 2013-11-06 西南交通大学 Buffer system for draining local burst gushing water of tunnel and control method
CN103382853B (en) * 2013-07-30 2015-07-15 西南交通大学 Buffer system for draining local burst gushing water of tunnel and control method
CN108223008A (en) * 2018-03-02 2018-06-29 中铁第六勘察设计院集团有限公司 A kind of buried Underwater Traffic Tunnel wastewater disposal basin dischargeable capacity optimization structure of Mining Method
CN108194145A (en) * 2018-03-15 2018-06-22 中国矿业大学(北京) Mine water disaster alarm system based on infrared image
CN108252741A (en) * 2018-03-15 2018-07-06 中国矿业大学(北京) Coal working face floods alarm system based on infrared image
CN108457699A (en) * 2018-03-15 2018-08-28 中国矿业大学(北京) Driving face floods alarm system based on infrared image
CN108194145B (en) * 2018-03-15 2023-04-18 中国矿业大学(北京) Mine flood alarm system based on infrared image
CN108457699B (en) * 2018-03-15 2023-04-18 中国矿业大学(北京) Tunneling working face flood alarm system based on infrared images
CN108252741B (en) * 2018-03-15 2023-04-18 中国矿业大学(北京) Coal face flood alarm system based on infrared image
CN112050998A (en) * 2020-09-18 2020-12-08 辽宁工程技术大学 Tunnel construction model test device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140108

Termination date: 20140730

EXPY Termination of patent right or utility model