CN113339059A - Maintainable tunnel intelligent water-proof and drainage system and method - Google Patents
Maintainable tunnel intelligent water-proof and drainage system and method Download PDFInfo
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- CN113339059A CN113339059A CN202110375440.5A CN202110375440A CN113339059A CN 113339059 A CN113339059 A CN 113339059A CN 202110375440 A CN202110375440 A CN 202110375440A CN 113339059 A CN113339059 A CN 113339059A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 238000007689 inspection Methods 0.000 claims abstract description 23
- 238000012423 maintenance Methods 0.000 claims abstract description 17
- 230000002265 prevention Effects 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 230000009193 crawling Effects 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 claims 3
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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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Abstract
The invention discloses a maintainable tunnel intelligent water-proof and drainage system and a maintainable tunnel intelligent water-proof and drainage method, wherein the maintainable tunnel intelligent water-proof and drainage system comprises a longitudinal drainage blind pipe, an annular drainage blind pipe, a vertical inspection well, a side drainage pipe, a drainage side ditch, a central drainage ditch, an electronic valve and a computer terminal, and the computer terminal is used for receiving and analyzing urban tunnel water pressure load data transmitted by the electronic valve, sending an instruction to the electronic valve and controlling the opening and closing of the electronic valve so as to achieve the balance of tunnel engineering water pressure-drainage amount. Compared with the prior art, the invention can complete the switching of 3 urban tunnel water-proof and drainage modes according to the actual requirements of tunnel water-proof and drainage, and realizes the electronic and information management of tunnel water-proof and drainage; can satisfy the waterproof and drainage demand during the operation of tunnel structure, but still possess the maintenance function, when the drainage function is obstructed, can get into vertical inspection shaft and operate the maintenance under the prerequisite that does not influence urban tunnel traffic.
Description
Technical Field
The invention relates to the field of tunnel water prevention and drainage, in particular to a maintainable tunnel intelligent water prevention and drainage system and a maintainable tunnel intelligent water prevention and drainage method.
Background
The urban tunnel can effectively improve the urban traffic efficiency and reduce the environmental pollution, and also accords with the advocation of the current low-carbon life. Due to the particularity of the urban tunnel, the presence of buildings and vegetation on the ground makes the urban tunnel face a lot of challenges during operation and maintenance. The water hazard problem (groundwater, rainfall, etc.) has the most common impact on the safety of the tunnel project, with the safety problem caused by groundwater accounting for 58% of the total number of tunnels. When the urban tunnel has the water damage problem, the underground water level is generally reduced, so that surface water sources are exhausted, and water and soil loss, vegetation damage, ground collapse and the like occur. The method can effectively prolong the service life of the urban tunnel and has positive effect on the surrounding ecological environment by solving the problem of tunnel water, and becomes a key factor influencing the success or failure of tunnel engineering.
In order to reduce the probability of water damage, urban tunnels in China mainly adopt 3 water prevention and drainage systems: (1) by adopting a drainage type or drainage self-drainage type system mainly draining water and draining water, namely, the water pressure load borne by the urban tunnel supporting structure is reduced through drainage, the method can effectively reduce the underground water level, but the damage to ground vegetation caused by the method is difficult to recover; (2) the full-wrapping waterproof system isolates stratum seepage water outside a supporting structure of the urban tunnel, realizes the waterproof function of the urban tunnel by improving the waterproof capability of the supporting structure, but the supporting structure is easy to crack under the long-term action of water pressure load so as to cause seepage water diseases; (3) the control type waterproof system combining prevention and drainage usually adopts a half-pack waterproof mode, allows partial drainage of underground water, can ensure the structural safety and reduce the water pressure at the back of a lining, but the method is difficult to realize the relation between dynamic balance water pressure and drainage, so that the ideal state is difficult to achieve. Above 3 kinds of urban tunnel prevent drainage mode all have certain drawback, prevent that the displacement is difficult to control, consequently need an intelligent urban tunnel prevent drainage system.
In the existing urban tunnel water-proof and drainage system, 3 water-proof and drainage modes can not be switched as required. In addition, in the operation maintenance process in the urban tunnel later stage, drainage system's inspection shaft is located urban tunnel road surface's town central point usually and puts, and at the maintenance in-process, maintainer's personal safety is difficult to ensure, and the passage of vehicle in the tunnel also can receive the influence. Therefore, a maintenance-type intelligent urban tunnel water-proof and drainage system is needed to be constructed, the switching of the urban tunnel water-proof and drainage system according to needs can be realized, and the maintenance requirements can be met.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a maintainable urban tunnel intelligent waterproof and drainage system, which can switch 3 waterproof and drainage modes of full-drainage waterproof, full-package waterproof and half-package waterproof according to the waterproof and drainage requirements of urban tunnels, and can be used for later operation and maintenance workers to conveniently and safely perform waterproof and drainage maintenance so as to ensure the health state of urban tunnels in the operation stage.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
a maintainable tunnel intelligent water-proof and drainage system comprises a longitudinal drainage blind pipe, an annular drainage blind pipe, a vertical inspection well, a side drainage pipe, a drainage side ditch and a central drainage ditch; the longitudinal drainage blind pipes are arranged between a primary tunnel supporting structure and a secondary lining structure of the tunnel supporting structure along the depth direction of the tunnel, the circumferential drainage blind pipes are arranged between the primary tunnel supporting structure and the secondary lining structure of the tunnel supporting structure along the vault of the tunnel, and the longitudinal drainage blind pipes are communicated with the circumferential drainage blind pipes; the vertical inspection well is arranged at the bottoms of two arch feet of the tunnel supporting structure at intervals along the depth direction of the tunnel, and comprises a vertical shaft and an access door arranged on the vertical shaft; the lateral drainage pipes are arranged at two arch feet of the tunnel supporting structure along the depth direction of the tunnel, and two ends of the annular drainage blind pipe are communicated with the two lateral drainage pipes and are distributed in the vertical inspection well; the central drainage ditch is arranged in the center of the bottom of the inverted arch structure of the tunnel, and two sides of the central drainage ditch are communicated with side drainage pipes through drainage blind pipes of the central drainage ditch; the drainage side ditches are arranged on two sides of a road in the tunnel and communicated with the side drainage pipes through side ditch drainage blind pipes.
Furthermore, an electronic valve is installed at the connecting part of the annular drainage blind pipe and the side drainage pipe, and the electronic valve is integrated with a water pressure sensor capable of collecting and recording water pressure data of the urban tunnel in real time; the electronic valve is connected with a computer terminal in a wired or wireless mode, and the computer terminal is used for receiving and analyzing urban tunnel water pressure load data transmitted by the electronic valve, sending an instruction to the electronic valve and controlling the opening and closing of the electronic valve so as to achieve the balance of tunnel engineering water pressure-water discharge.
Furthermore, a ladder stand is arranged on the inner wall of the vertical shaft.
Preferably, the vertical inspection wells are arranged at intervals of 12m at the bottoms of two arch feet of the tunnel supporting structure along the depth direction of the tunnel.
In addition, the invention also provides an intelligent waterproof and drainage method of the maintainable urban tunnel intelligent waterproof and drainage system, which comprises the following steps:
s1, after the urban tunnel is built, the electronic valve is related, the whole tunnel is in a fully-wrapped waterproof state, underground water cannot enter the tunnel, and the supporting structure bears surrounding rock pressure and underground water pressure load;
s2, along with the operation of the tunnel, collecting the underground water infiltrated into the urban tunnel by the longitudinal drainage blind pipe, the circumferential drainage blind pipe, the central drainage ditch and the drainage side ditch, and collecting and recording the water pressure data of the urban tunnel in real time by the water pressure sensor integrated by the electronic valve and transmitting the data to the computer terminal;
s3, based on S2, along with the operation of the tunnel, the computer terminal receives tunnel water pressure data transmitted by the water pressure sensor integrated with the electronic valve, sends an opening instruction to the electronic valve according to the water prevention and drainage requirements of the tunnel, and opens the electronic valve to enable the tunnel to be in a drainage state;
s4, based on S3, the tunnel underground water collected by the circumferential drainage blind pipes and the longitudinal drainage blind pipes enters the side drainage pipes through the opened electronic valves, the central drainage ditch passes through the central drainage blind pipe, and the drainage side ditches pass through the side drainage blind pipes to enable the collected underground water to enter the side drainage pipes through the opened electronic valves;
s5, based on S4, the side drain pipes discharge the collected underground water out of the urban tunnel, and the water pressure sensor integrated with the electronic valve collects and records the water pressure data of the urban tunnel in the current full-discharge state in real time and transmits the data to the computer terminal;
s6, based on S5, the computer terminal receives tunnel water pressure data transmitted by the water pressure sensor integrated with the electronic valve, and managers send closing instructions to the electronic valve through the computer terminal according to actual tunnel water prevention and drainage requirements to close part or all of the electronic valve so as to realize the conversion between a half-pack water prevention and drainage state and a full-pack water prevention and drainage state;
s7, when the electronic valve is damaged in the tunnel operation process, the electronic valve feeds fault information back to the computer terminal, and maintenance personnel can enter the vertical inspection well through the crawling ladder to maintain or manually open the electronic valve according to actual conditions.
Compared with the prior art, the invention has the following beneficial effects:
1) different from traditional self drainage type system, wrap waterproof system and control type waterproof system entirely, this kind of novel intelligent drainage system of preventing in tunnel can be according to the actual demand of preventing and discharging water in tunnel, accomplishes the switching of 3 kinds of urban tunnel drainage modes of preventing, has realized that the tunnel prevents that the drainage is electronic, information-based management.
2) The novel maintainable tunnel water-proof and drainage system can meet the water-proof and drainage requirements during the operation of a tunnel structure, and also has the maintainable function, and when the drainage function is obstructed, the drainage system can enter a vertical inspection well to be operated and maintained on the premise of not influencing urban tunnel traffic.
Drawings
FIG. 1 is a schematic view of the construction of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. The specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The embodiment shown in fig. 1 provides an intelligent maintainable tunnel water-proof and drainage system, which is characterized by comprising a longitudinal drainage blind pipe 2, a circumferential drainage blind pipe 3, a vertical inspection well 4, a side drainage pipe 402, a drainage side ditch 6 and a central drainage ditch 5; the longitudinal drainage blind pipes 2 are arranged between a primary tunnel supporting structure and a secondary lining structure of the tunnel supporting structure 1 along the depth direction of the tunnel, the circumferential drainage blind pipes 3 are arranged between the primary tunnel supporting structure and the secondary lining structure of the tunnel supporting structure along the vault of the tunnel, and the longitudinal drainage blind pipes 2 are communicated with the circumferential drainage blind pipes 3; the vertical inspection well 4 is arranged at the bottom of two arch feet of a tunnel supporting structure at intervals of 12m along the depth direction of a tunnel, the vertical inspection well 4 comprises a vertical shaft 405 and an access door 404 arranged on the vertical shaft 405, a ladder 403 is arranged on the inner wall of the vertical shaft 405, the size of the vertical inspection well 4 can be set according to geological conditions and design information, the side drain pipe 402 is ensured to be positioned at the lowest position of the urban tunnel elevation, and the vertical inspection well 4 can be longitudinally set to be more than 3m in length for facilitating the entry and exit of later-stage operation and maintenance personnel; maintenance personnel enter the vertical inspection well 4 through the access door 404, enter the vertical shaft 405 through the ladder 403 to perform equipment maintenance and perform related operations on post-drainage prevention and drainage of urban tunnels; the side drain pipes 402 are arranged at two arch feet of the tunnel supporting structure along the depth direction of the tunnel and are positioned at the lowest point of the whole urban tunnel; two ends of the annular drainage blind pipe 3 are communicated with the two side drainage pipes 402 and distributed in the vertical inspection well 4, and the annular drainage blind pipe 3 is used for collecting the underground water discharged by the central drainage ditch drainage blind pipe 501 and the side ditch drainage blind pipe 601 and discharging the underground water out of the urban tunnel; the central drainage ditch 5 is arranged at the center of the bottom of the inverted arch structure of the tunnel, and two sides of the central drainage ditch 5 are communicated with the side drainage pipes 402 through a central drainage ditch drainage blind pipe 501; the drainage side ditches 6 are arranged at two sides of a road in the tunnel, and the drainage side ditches 6 are communicated with the side drainage pipe 402 through side ditch drainage blind pipes 601; the above pipes are connected to form a whole drainage system, and the underground water is collected in the side drainage pipe 402.
An electronic valve 401 is installed at the connecting part of the annular drainage blind pipe 2 and the side drainage pipe 402, a water pressure sensor capable of collecting and recording water pressure data of the urban tunnel in real time is integrated on the electronic valve 401, and of course, a manual device is also arranged on the electronic valve 401, so that maintenance personnel can manually control the opening and closing of the electronic valve system 401 when the electronic valve system 401 cannot normally work or the electronic valve system is lack of electric power support; the electronic valve 401 is connected with a computer terminal (not shown in the figure) in a wired or wireless mode, and the computer terminal is used for receiving and analyzing urban tunnel water pressure load data transmitted by the electronic valve 401, sending an instruction to the electronic valve 401, and controlling the opening and closing of the electronic valve 401 so as to achieve the balance of tunnel engineering water pressure-water discharge.
It should be noted that: the tunnel supporting structure 1, the longitudinal drainage blind pipe 2, the circumferential drainage blind pipe 3, the central drainage ditch 5, the drainage side ditch 6, the central drainage blind pipe 501 and the side ditch drainage blind pipe 601 in the embodiment of the invention are all basic components in tunnel engineering, and for a person skilled in the art, the specific meanings of the above terms in the application can be understood in specific situations.
Utilize above-mentioned maintainable urban tunnel intelligence to prevent drainage system can realize intelligence and prevent drainage, its concrete implementation process as follows:
s1, after the urban tunnel is built, the electronic valve 401 is related, the whole tunnel is in a fully-wrapped waterproof state, underground water cannot enter the tunnel, and the supporting structure 1 bears surrounding rock pressure and underground water pressure loads;
s2, along with the operation of the tunnel, collecting the underground water infiltrated by the urban tunnel by the longitudinal drainage blind pipe 1, the circumferential drainage blind pipe 2, the central drainage ditch 5 and the drainage side ditch 6, and collecting and recording the water pressure data of the urban tunnel in real time by the water pressure sensor integrated by the electronic valve 401 and transmitting the data to the computer terminal;
s3, based on S2, along with the operation of the tunnel, the computer terminal receives tunnel water pressure data transmitted by the water pressure sensor integrated with the electronic valve 401, sends an opening instruction to the electronic valve 401 according to the water-proof and drainage requirements of the tunnel, and opens the electronic valve 401 to enable the tunnel to be in a drainage state;
s4, based on S3, the tunnel underground water collected by the circumferential drainage blind pipes and 3 the longitudinal drainage blind pipe 2 enters the side drainage pipe 402 through the opened electronic valve 401, the central drainage ditch 5 passes through the central drainage blind pipe 501, and the drainage side ditch 6 enters the collected underground water into the side drainage pipe 402 through the opened electronic valve 401 through the side ditch drainage blind pipe 601;
s5, based on S4, the side drain pipes drain the collected underground water out of the urban tunnel, and the water pressure sensor integrated by the electronic valve 401 collects and records the water pressure data of the urban tunnel in the current full-discharge state in real time and transmits the data to the computer terminal;
s6, based on S5, the computer terminal receives tunnel water pressure data transmitted by a water pressure sensor integrated with the electronic valve system 401, and managers send closing instructions to the electronic valve system 401 through the computer terminal according to actual tunnel water-proof and drainage requirements to close part or all of the electronic valve system 401, so that the conversion between a half-pack water-proof and drainage state and a full-pack water-proof and drainage state is realized;
s7, when the electronic valve 401 is damaged in the tunnel operation process, the electronic valve system 401 feeds fault information back to the computer terminal, and maintenance personnel can enter the vertical inspection well 4 through the ladder 403 to maintain or manually open the electronic valve 401 according to actual conditions.
Through the implementation of the scheme, the switching of 3 urban tunnel water prevention and drainage modes can be completed according to the actual tunnel water prevention and drainage requirements, and the electronic and information management of tunnel water prevention and drainage is realized; can satisfy the waterproof and drainage demand during the operation of tunnel structure, but still possess the maintenance function, when the drainage function is obstructed, can get into vertical inspection shaft and operate the maintenance under the prerequisite that does not influence urban tunnel traffic.
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (5)
1. A maintainable tunnel intelligent water-proof and drainage system is characterized by comprising a longitudinal drainage blind pipe, an annular drainage blind pipe, a vertical inspection well, a side drainage pipe, a drainage side ditch and a central drainage ditch; the longitudinal drainage blind pipes are arranged between a primary tunnel supporting structure and a secondary lining structure of the tunnel supporting structure along the depth direction of the tunnel, the circumferential drainage blind pipes are arranged between the primary tunnel supporting structure and the secondary lining structure of the tunnel supporting structure along the vault of the tunnel, and the longitudinal drainage blind pipes are communicated with the circumferential drainage blind pipes; the vertical inspection well is arranged at the bottoms of two arch feet of the tunnel supporting structure at intervals along the depth direction of the tunnel, and comprises a vertical shaft and an access door arranged on the vertical shaft; the lateral drainage pipes are arranged at two arch feet of the tunnel supporting structure along the depth direction of the tunnel, and two ends of the annular drainage blind pipe are communicated with the two lateral drainage pipes and are distributed in the vertical inspection well; the central drainage ditch is arranged in the center of the bottom of the inverted arch structure of the tunnel, and two sides of the central drainage ditch are communicated with side drainage pipes through drainage blind pipes of the central drainage ditch; the drainage side ditches are arranged on two sides of a road in the tunnel and communicated with the side drainage pipes through side ditch drainage blind pipes.
2. The maintainable intelligent tunnel waterproofing and drainage system of claim 1, wherein: an electronic valve is installed at the connecting part of the annular drainage blind pipe and the side drainage pipe, and the electronic valve is integrated with a water pressure sensor capable of collecting and recording water pressure data of the urban tunnel in real time; the electronic valve is connected with a computer terminal in a wired or wireless mode, and the computer terminal is used for receiving and analyzing urban tunnel water pressure load data transmitted by the electronic valve, sending an instruction to the electronic valve and controlling the opening and closing of the electronic valve so as to achieve the balance of tunnel engineering water pressure-water discharge.
3. The maintainable intelligent tunnel waterproofing and drainage system of claim 1, wherein: and a ladder stand is arranged on the inner wall of the vertical shaft.
4. The maintainable intelligent tunnel waterproofing and drainage system of claim 1, wherein: the vertical inspection wells are arranged at the bottoms of the two arch feet of the tunnel supporting structure every 12m along the depth direction of the tunnel.
5. An intelligent water-proof and drainage method of a maintainable urban tunnel intelligent water-proof and drainage system is characterized by comprising the following steps:
s1, after the urban tunnel is built, the electronic valve is related, the whole tunnel is in a fully-wrapped waterproof state, underground water cannot enter the tunnel, and the supporting structure bears surrounding rock pressure and underground water pressure load;
s2, along with the operation of the tunnel, collecting the underground water infiltrated into the urban tunnel by the longitudinal drainage blind pipe, the circumferential drainage blind pipe, the central drainage ditch and the drainage side ditch, and collecting and recording the water pressure data of the urban tunnel in real time by the water pressure sensor integrated by the electronic valve and transmitting the data to the computer terminal;
s3, based on S2, along with the operation of the tunnel, the computer terminal receives tunnel water pressure data transmitted by the water pressure sensor integrated with the electronic valve, sends an opening instruction to the electronic valve 401 according to the water prevention and drainage requirements of the tunnel, and opens the electronic valve to enable the tunnel to be in a drainage state;
s4, based on S3, the tunnel underground water collected by the circumferential drainage blind pipes and the longitudinal drainage blind pipes enters the side drainage pipes through the opened electronic valves, the central drainage ditch passes through the central drainage blind pipe, and the drainage side ditches pass through the side drainage blind pipes to enable the collected underground water to enter the side drainage pipes through the opened electronic valves;
s5, based on S4, the side drain pipes discharge the collected underground water out of the urban tunnel, and the water pressure sensor integrated with the electronic valve collects and records the water pressure data of the urban tunnel in the current full-discharge state in real time and transmits the data to the computer terminal;
s6, based on S5, the computer terminal receives tunnel water pressure data transmitted by the water pressure sensor integrated with the electronic valve, and managers send closing instructions to the electronic valve through the computer terminal according to actual tunnel water prevention and drainage requirements to close part or all of the electronic valve so as to realize the conversion between a half-pack water prevention and drainage state and a full-pack water prevention and drainage state;
s7, when the electronic valve is damaged in the tunnel operation process, the electronic valve feeds fault information back to the computer terminal, and maintenance personnel can enter the vertical inspection well through the crawling ladder to maintain or manually open the electronic valve according to actual conditions.
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Cited By (2)
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| CN114483082A (en) * | 2022-01-26 | 2022-05-13 | 华设设计集团股份有限公司 | Tunnel sewage interception and drainage prevention structure for downward-penetrating refuse landfill and construction method thereof |
| CN114934808A (en) * | 2022-06-29 | 2022-08-23 | 招商局重庆交通科研设计院有限公司 | Automatic control discharge system and method for water-rich tunnel based on structural safety |
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| CN114934808A (en) * | 2022-06-29 | 2022-08-23 | 招商局重庆交通科研设计院有限公司 | Automatic control discharge system and method for water-rich tunnel based on structural safety |
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