CN109518666B - Water retaining structure and blocking method for low-layer diversion tunnel - Google Patents
Water retaining structure and blocking method for low-layer diversion tunnel Download PDFInfo
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- CN109518666B CN109518666B CN201811569883.2A CN201811569883A CN109518666B CN 109518666 B CN109518666 B CN 109518666B CN 201811569883 A CN201811569883 A CN 201811569883A CN 109518666 B CN109518666 B CN 109518666B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/06—Pressure galleries or pressure conduits; Galleries specially adapted to house pressure conduits; Means specially adapted for use therewith, e.g. housings, valves, gates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The application discloses a low-layer diversion tunnel water retaining structure and a plugging method, wherein the water retaining structure comprises a tunnel and a flat pressing unit, the water retaining unit and a water discharging unit are arranged on the tunnel, the water discharging unit divides the upstream and downstream of the tunnel into a pressed section and a pressureless section, the water retaining unit comprises n water retaining gate devices which are arranged in parallel, each water retaining gate device comprises an overhaul gate well and a working gate well which are arranged in parallel, the water discharging unit comprises an accident gate well and a water discharging gate chamber, the flat pressing unit comprises a flat pressing main pipe, and the flat pressing main pipe is used for communicating the overhaul gate well between two adjacent water retaining gate devices with the working gate well. The blocking method comprises the step of blocking the pressureless section after the water storage operation is carried out by using the water retaining structure. By adopting the technical scheme of the application, the diversion tunnel is blocked by means of the self water retaining gate device when the water head is high, so that the problem that another diversion tunnel is required to be arranged for blocking in the traditional low-high Cheng Daoliu tunnel blocking process is avoided, and the engineering quantity and investment are greatly saved.
Description
Technical Field
The application particularly relates to the technical field of water conservancy and hydropower engineering, in particular to a low-layer diversion tunnel water retaining structure and a blocking method.
Background
The construction of the high dam and the large warehouse is characterized in that diversion tunnels are required to be arranged in layers according to the requirements of dam filling elevation, diversion flood control, a sluice-down water storage plan and the like due to high water heads and long construction period for years. The plugging of the diversion tunnel at the lower layer is generally accompanied by the water storage of the lower gate of the engineering and the early production and power generation. At this time, a diversion tunnel is often required to be arranged on the middle layer independently, and the reservoir water level in the water storage period of the lower gate is adjusted, so that the requirements of plugging water heads and construction periods of the diversion tunnel on the lower layer can be met, and the requirements of water storage power generation and drainage ecological flow of the reservoir can be met. In order to meet the requirements, the water storage procedure of the lower gate is simplified, the middle diversion tunnel which is independently arranged is canceled, the engineering investment is reduced, and the arrangement form of grading water retaining is needed, so that the water storage device has the capability of bearing a higher water retaining head.
Disclosure of Invention
In order to solve the technical problems, the application provides a low-layer diversion tunnel water retaining structure and a plugging method.
The application is realized by the following technical scheme.
The application provides a low-rise diversion tunnel water retaining structure and a plugging method, wherein the low-rise diversion tunnel water retaining structure comprises a tunnel and a flat pressing unit, water retaining units and water discharging units are sequentially arranged above the tunnel according to proper intervals along the flow direction of water in the tunnel, the tunnel positioned at the upstream of the water discharging unit is a pressureless section A, the tunnel positioned at the downstream of the water discharging unit is a pressureless section B, the water retaining unit comprises n water retaining gate devices which are arranged in parallel according to proper intervals along the flow direction of the tunnel, n is a natural number, each water retaining gate device comprises an accident gate well 203 and a water discharging gate chamber which are arranged in parallel according to proper intervals along the flow direction of water in the tunnel, the accident gate well, the working gate well 203 and the water discharging gate chamber are respectively provided with a pressure section B, the first and second water retaining gate, the first water retaining gate and the second water retaining gate are connected with the pressure main pipe and the pressure main pipe, the first water retaining gate and the second water retaining gate are connected with the pressure main pipe and the second water retaining gate in parallel according to proper intervals, and the first water retaining gate and the second water retaining gate is connected with the pressure main pipe and the pressure main pipe.
The water discharge gate is an arc gate.
The overhaul gate, the working gate and the accident gate are all flat gates.
Defining the water head of the pressurized section A as H0, the number of the water retaining gate devices as n, the diameter of the section B of the pressurized section as D, and the bearing water heads of all stages of water retaining gate devices as delta H, wherein when all stages of water retaining gate devices are designed according to the principle of equal water thrust, H is the same as that of the pressurized section B 0 The following relation is satisfied between delta H, D:
defining the water head of the pressure section A as H 0 The number of the water gate devices is n, the diameter of the section B of the pressed section is D, and the bearing water heads of all stages of water gate devices are H i Wherein i=1, 2,3, …, n, when each stage of water gate devices is designed according to the principle of unequal water thrust, H 0 、H i The following relation is satisfied between D:
H 0 ＝H 1 +H 2 +...H n +D。
the number of the tunnels is multiple, the tunnels are respectively arranged at different elevations, wherein along the direction of the water flow in the tunnels, water retaining units and water discharging units are arranged in parallel at proper intervals among the tunnels, the water retaining units comprise n-stage water retaining gate devices which are arranged in parallel at proper intervals along the direction of the water flow in the tunnels, the water discharging units comprise accident gate wells 203 and water discharging gate chambers which are arranged in parallel at proper intervals along the direction of the water flow in the tunnels, the number of the water retaining gate devices contained in the water retaining units of each stage is gradually increased from high to low along the elevation of the tunnels, the number of the tunnels is defined as k, and the water head of the pressurized section A above each tunnel is H j Wherein j=1, 2, …, k, the section diameter of the pressed section B is D, H k The following relation is satisfied between D:
H j -H j-1 ＝D。
and along the tunnel, the overhaul sluice well and the working sluice well inside each water retaining sluice gate device are communicated through communicating pipes from the 2 nd water retaining sluice gate device in the inner water flow direction.
Along the tunnel with interior water flow direction, from the 2 nd water gate device, the working sluice well in every water gate device still passes through drainage channel A with the maintenance sluice well intercommunication in the next water gate device, the working sluice well in last water gate device loops through overflow channel B, flat pressure shaft with there is pressure section A intercommunication, overflow channel B, flat pressure shaft meet junction still pass through overflow channel C with there is pressure section intercommunication, flat pressure is responsible for still with the working sluice well in last water gate device with flat pressure shaft intercommunication, every drainage channel A arranges the height and all is unanimous with its water gate device control water level elevation that connects, overflow channel B arranges the height with water gate control water level elevation is unanimous, overflow channel C end with the end cap sets up the position and is close, still be provided with the charge pipe in the accident sluice well 203, overflow channel C passes through charge pipe with there is pressure section A intercommunication.
A vent pipe is buried in the accident lock shaft 203, one end of the vent pipe is communicated with the pressure section a, and the other end of the vent pipe extends upwards to a position above the control water level of the water discharge lock chamber.
The tunnel can be arranged into multiple layers, and each layer of tunnel is provided with the water draining unit, the flat pressing unit and the water retaining unit.
And taking the arrangement height of each layer of tunnel as a reference quantity, and gradually increasing the number of water retaining gate devices contained in water retaining units arranged on each layer of tunnel layer by layer according to the direction from high to low.
In addition, the application also provides a method for plugging the low-layer diversion tunnel, which comprises the following steps of using the low-layer diversion tunnel plugging structure:
step one: intercepting water flow in the tunnel through the water discharge gate;
step two: when the water level rises to be level with the overflow channel C, closing a working sluice well in the nth water retaining sluice gate device;
step three: when the water level rises to be flush with the overflow channel B, closing a working sluice well in the (n-1) th water retaining sluice gate device;
step four: when the water level rises to be flush with an overflow channel A connected with the (n-1) th water gate device, closing a working gate well in the (n-2) th water gate device;
step five: repeating the fourth step until all working sluice wells of all water retaining gate devices within all water retaining units are closed;
step six: and plugging the pressureless section through the plug.
The application has the beneficial effects that: by adopting the technical scheme of the application, the total water head from the upstream of the tunnel is shared by all stages of water gate devices, the bearing water pressure of all stages of water gate devices is reduced, the operation safety of the whole water blocking structure is ensured, the whole water blocking structure has the capability of bearing the higher total water head at the upstream, and the water storage operation through the whole water blocking structure is facilitated by a corresponding blocking method, so that the water blocking device can participate in the joint diversion flood of the next stage especially in the flood season when the reservoir runs at low water level. The post diversion measure and the pressure of the building are reduced, the convenience is provided for water storage operation, and the operation safety is ensured. The application not only omits engineering measures and investment for increasing auxiliary diversion tunnel to reduce the blocking water head in the low-layer diversion tunnel blocking, but also can be singly or combined in the diversion tunnel with full elevation or layered arrangement in the engineering construction process, provides a plurality of flexible diversion and blocking schemes, meets the diversion and blocking requirements of various periods under various working conditions, simplifies the diversion tunnel blocking procedure and has good popularization and application values.
Drawings
FIG. 1 is a front view of the present application;
fig. 2 is a top view of the present application.
In the figure: 1-tunnel, 2-water discharge unit, 3-flat pressing unit, 4-water retaining unit, 5-plug, 101-pressed section A, 102-pressureless section, 103-pressed section B, 201-water discharge gate, 202-accident gate, 203-accident gate well, 205-water discharge gate chamber, 207-vent pipe, 208-water charge pipe, 301-flat pressing main pipe, 302-communicating pipe, 303-water discharge channel A, 304-overflow channel B, 305-overflow channel C, 307-flat pressing vertical shaft, 401-working gate, 402-service gate, 403-working gate well, 404-service gate well.
Detailed Description
The technical solution of the present application is further described below with reference to the accompanying drawings, but the scope of the claimed application is not limited to the above.
The application relates to a low-layer diversion tunnel water retaining structure and a blocking method, as shown in figures 1 and 2, comprising a tunnel 1 and a flat pressing unit 3, wherein a water retaining unit 4 and a water discharging unit 2 are sequentially arranged on the tunnel 1 according to proper intervals along the flow direction of the water in the tunnel 1, the tunnel 1 positioned at the upstream of the water discharging unit 2 is a pressured section A101, the tunnel 1 positioned at the downstream of the water discharging unit 2 is a pressureless section 102, the water retaining unit 4 comprises n water retaining gate devices which are arranged in parallel according to proper intervals along the flow direction of the water in the tunnel 1, n is a natural number, each water retaining gate device comprises a maintenance gate shaft 404 and a working gate shaft 403 which are arranged in parallel, the water discharging unit 2 comprises an accident gate shaft 203 and a water discharging gate chamber 205 which are arranged in parallel at proper intervals along the flow direction of the water in the tunnel 1, wherein an overhaul gate 402, a work gate 401, an accident gate 202 and a water discharging gate 201 which can conduct or block the water flow in the tunnel 1 are respectively arranged in the overhaul gate shaft 404, the work gate shaft 403, the accident gate shaft 203 and the water discharging gate chamber 205, the flat pressing unit 3 comprises a flat pressing main pipe 301, a first branch pipe and a second branch pipe are connected on the flat pressing main pipe 301, the first branch pipe is communicated with the overhaul gate shaft 404, the second branch pipe is communicated with the work gate shaft 403, and a plug 5 is arranged in the non-pressure section 102.
By adopting the technical scheme of the application, the total water head from the upstream of the tunnel is shared by all stages of water gate devices, the bearing pressure of all stages of water gate devices is reduced, the operation safety of the whole water retaining structure is ensured, the whole water retaining structure has the capability of maturing and higher total water head at the upstream, and the water retaining operation through the whole water retaining structure is facilitated by a corresponding blocking method, so that the water retaining device can participate in the combined diversion flood of the next period, especially in the flood season, when the reservoir runs at low water level. The post diversion measure and the pressure of the building are reduced, the convenience is provided for water storage operation, and the operation safety is ensured.
Further, the discharge gate 201 is a radial gate. The access gate 402, the working gate 401 and the accident gate 202 are all flat gates. By adopting the technical scheme, the manufacturing cost of the gate is reduced, the construction is facilitated, and the water discharge gate 201, the overhaul gate 402, the working gate 401 and the accident gate 202 are preferably driven by power equipment which works relatively independently, so that the control is facilitated, and the mutual interference is avoided.
Further, the total water head born by the water blocking unit 4 is H 0 The water level elevation of the ith grade water gate device is controlled to be H i Wherein i=1, 2, …, n, then H 0 、H i The following relation is satisfied with the number n of the water gate devices:
by adopting the technical scheme, the total water head from the upstream of the tunnel is shared step by each stage of water retaining gate devices, so that the pressure of each stage of water retaining gate devices is reduced, the operation safety of the whole water retaining structure is ensured, furthermore, the design water retaining capacity of the overhaul gate 402 and the working gate 401 in the first stage of water retaining gate devices in the water retaining unit 4 is optimized to be maximum, and proper margin is reserved in the design construction of the water retaining capacity of each overhaul gate 402 and the working gate 401 in the water retaining unit 4.
Further, the tunnel 1 is in an inner water flow direction, and from the 2 nd water gate device, the overhaul gate shaft 404 and the working gate shaft 403 in each water gate device are also communicated through the communicating pipe 302. The flat pressing unit 3 is mainly used for horizontally pressing the whole water retaining structure and guaranteeing the water pressure balance of the whole structure.
Along the flow direction of the inner water flow of the tunnel 1, from the 2 nd water gate device, the working sluice well 403 in each water gate device is communicated with the overhaul sluice well 404 in the next water gate device through the drainage channel A303, the working sluice well 403 in the last water gate device is communicated with the pressured section B103 through the overflow channel B304 and the leveling vertical shaft 307 in sequence, the junction of the overflow channel B304 and the leveling vertical shaft 307 is communicated with the pressureless section 102 through the overflow channel C305, the leveling main pipe 301 also communicates the working sluice well 403 in the last water gate device with the leveling vertical shaft 307, the arrangement height of each drainage channel A303 is consistent with the control water level height of the next water gate device, the arrangement height of the overflow channel B304 is consistent with the control water level height of the water gate device, the tail end of the overflow channel C305 is close to the 5 setting position, the inside the accident sluice well 203 is also provided with the water filling pipe 208, and the overflow channel C305 is communicated with the pressureless section B through the water filling pipe 103. By adopting the technical scheme, as the tail end of the overflow channel C305 is close to the arrangement position of the plug 5, the overflow channel C305 can be connected to the downstream of the plug 5 for blocking independently or can be used for blocking after the drainage of a pipe penetrating from the plug 5.
Preferably, a vent pipe 207 is buried in the accident brake shaft 203, one end of the vent pipe 207 is communicated with the pressure section A101, and the other end of the vent pipe 207 extends upwards to a position above the water level of the water discharge brake chamber 205.
In addition, the tunnel 1 can be arranged in multiple layers, and a water discharging unit 2, a flat pressing unit 3 and a water retaining unit 4 are arranged on each layer of tunnel 1. The number of the water gate devices contained in the water blocking units 4 arranged on the tunnels 1 of each layer is gradually increased layer by layer according to the direction from high to low by taking the arrangement height of the tunnels 1 of each layer as a reference. The arrangement elevation of each layer of tunnels 1 is determined by the diversion requirement.
In addition, the application also provides a method for plugging the low-layer diversion tunnel, which comprises the following steps of using the low-layer diversion tunnel plugging structure:
step one: intercepting water flow in the tunnel 1 through the water discharge gate 201;
step two: when the water level rises to be level with the overflow channel C305, closing a working sluice well 403 in the nth water retaining sluice gate device;
step three: when the water level rises to be level with the overflow channel B304, closing a working sluice well 403 in the (n-1) th water retaining sluice gate device;
step four: when the water level rises to be level with a water drainage channel A303 connected with the (n-1) th water gate device, closing a working gate well 403 in the (n-2) th water gate device;
step five: repeating the fourth step until all working lock wells 403 of all water gate devices within all water blocking units 4 are closed;
step six: the pressureless section 102 is plugged by a plug 5.
The technical scheme of the application is put into implementation and application by the limited company of Guiyang survey design institute of the electric construction group in China, in the implementation, the technology project Qiankenkou support [2017]2865 is supported by the technology support plan of Guizhou province, and the technology project DJ-ZDXM-2017-05 is supported by the electric construction scientific research project in China, so that the beneficial technical effects are obtained after the implementation, and meanwhile, the social benefit is good.
Claims (8)
1. The utility model provides a low-rise diversion tunnel manger plate structure which characterized in that: comprising a tunnel (1) and a flat pressure unit (3), wherein a water retaining unit (4) and a water discharging unit (2) are sequentially arranged above the tunnel (1) at proper intervals along the flow direction of water in the tunnel (1), the tunnel (1) positioned at the upstream of the water discharging unit (2) is a pressureless section A (101), the tunnel (1) positioned at the downstream of the water discharging unit (2) is a pressureless section (102), the tunnel (1) positioned between the pressureless section A (101) and the pressureless section (102) is a pressureless section B (103), the water retaining unit (4) comprises n water retaining gate devices which are arranged in parallel at proper intervals along the flow direction in the tunnel (1), each water retaining gate device is a natural number, each water retaining gate device comprises a parallel arranged manhole (404) and a working gate (403), the water discharging unit (2) comprises an accident well (205) and an accident well (203) which are arranged at proper intervals along the flow direction in the tunnel (1), the water retaining gate devices (402) are arranged in parallel, the water retaining gates (402) are arranged in parallel at proper intervals, the accident well (203), the water retaining gates (402) are arranged in the accident well (203) and the water retaining gate (402) are arranged in parallel, the flat pressing unit (3) comprises a flat pressing main pipe (301), a first branch pipe and a second branch pipe are connected to the flat pressing main pipe (301), the first branch pipe is communicated with the overhaul brake well (404), the second branch pipe is communicated with the working brake well (403), and a plug (5) is arranged inside the pressureless section (102);
along the flow direction of the water flow in the tunnel (1), from the 2 nd water gate device, a working gate well (403) in each water gate device is also communicated with a maintenance gate well (402) in the next water gate device through a drainage channel A (303), the working gate well (403) in the last water gate device is sequentially communicated with the pressure section B (103) through an overflow channel B (304) and a leveling vertical shaft (307), the junction of the overflow channel B (304) and the leveling vertical shaft (307) is also communicated with the pressureless section (102) through an overflow channel C (305), the leveling main pipe (301) also communicates the working gate well (403) in the last water gate device with the leveling vertical shaft (307), the arrangement height of each drainage channel A (303) is consistent with the control water level height of the water gate device connected with the last water gate device, the arrangement height of the overflow channel B (303) is consistent with the control water level height of the water gate (201), the overflow channel C (305) is also communicated with the pressure-free section (102) through an overflow channel C (305), and the arrangement height of the overflow channel C (201) is also communicated with the water level control gate (208) through the water gate (208) is arranged near the water level of the overflow channel (208);
defining the water head of the pressure section A (101) as H 0 The number of the water gate devices is n, the diameter of the section of the pressed section B (103) is D, the bearing water heads of all stages of water gate devices are delta H, and when all stages of water gate devices are designed according to the principle of equal water thrust, H is the same as that of the water gate devices 0 The following relation is satisfied between delta H, D:
defining the water head of the pressure section A (101) as H 0 The number of the water gate devices is n, the diameter of the section of the pressed section B (103) is D, and the bearing water heads of all stages of water gate devices are H i Wherein i=1, 2,3, …, n, when each stage of water gate devices is designed according to the principle of unequal water thrust, H 0 、H i D (D)The following relation is satisfied:
H 0 ＝H 1 +H 2 +...H n +D。
the number of the tunnels (1) is multiple, the tunnels (1) are respectively arranged at different elevations, wherein along the water flow direction inside the tunnels (1), water retaining units (4) and water discharging units (2) are arranged between the tunnels (1) in parallel according to proper intervals, the water retaining units (4) comprise n-level water retaining gate devices which are arranged in parallel according to proper intervals along the water flow direction inside the tunnels (1), the water discharging units (2) comprise accident gate wells (203) and water discharging gate chambers (205) which are arranged in parallel according to proper intervals along the water flow direction inside the tunnels (1), the number of the water retaining devices contained in the water retaining units (4) at all levels is gradually increased from top to bottom along the elevations of the tunnels (1), the number of the tunnels (1) is k, and the water head of the pressure section A (101) above the tunnels (1) is H j Wherein j=1, 2, …, k, the section diameter of the pressed section B (103) is D, H k The following relation is satisfied between D:
H j -H j-1 ＝D。
2. the low-rise diversion tunnel water retaining structure according to claim 1, wherein: the water discharge gate (201) is a radial gate.
3. The low-rise diversion tunnel water retaining structure according to claim 1, wherein: the access gate (402), the working gate (401) and the accident gate (202) are all flat gates.
4. The low-rise diversion tunnel water retaining structure according to claim 1, wherein: along the flow direction of the water flow in the tunnel (1), from the 2 nd water gate device, an overhaul gate well (404) and a working gate well (403) in each water gate device are also communicated through a communicating pipe (302).
5. The low-rise diversion tunnel water retaining structure according to claim 1, wherein: and a vent pipe (207) is buried in the accident brake well (203), one end of the vent pipe (207) is communicated with the pressurized section A (101), and the other end of the vent pipe (207) extends upwards to a position above the control water level of the water discharge brake chamber (205).
6. The low-rise diversion tunnel water retaining structure according to claim 1, wherein: the tunnel (1) can be arranged into multiple layers, and a water discharging unit (2), a flat pressing unit (3) and a water retaining unit (4) are arranged on each layer of tunnel (1).
7. The low-rise diversion tunnel water retaining structure of claim 6, wherein: and the arrangement height of each layer of tunnel (1) is taken as a reference quantity, and the number of water retaining gate devices contained in water retaining units (4) arranged on each layer of tunnel (1) is gradually increased layer by layer according to the direction from high to low.
8. A plugging method of a low-layer diversion tunnel is characterized by comprising the following steps of: comprising the following steps using the low-layer diversion tunnel plugging structure according to any one of claims 1 to 7:
step one: intercepting the water flow inside the tunnel (1) by the water discharge gate (201);
step two: when the water level rises to be level with the overflow channel C (305), closing a working sluice well (403) in the nth water retaining sluice gate device;
step three: when the water level rises to be flush with the overflow channel B (304), closing a working sluice well (403) in the (n-1) th water retaining sluice gate device;
step four: when the water level rises to be flush with a drainage channel A (303) connected with the (n-1) th water gate device, closing a working gate well (403) in the (n-2) th water gate device;
step five: repeating the fourth step until all working sluice wells (403) of all water gate devices within all water blocking units (4) are closed;
step six: the pressureless section (102) is blocked by the plug (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811569883.2A CN109518666B (en) | 2018-12-21 | 2018-12-21 | Water retaining structure and blocking method for low-layer diversion tunnel |
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| CN201811569883.2A CN109518666B (en) | 2018-12-21 | 2018-12-21 | Water retaining structure and blocking method for low-layer diversion tunnel |
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| CN110593225B (en) * | 2019-08-30 | 2024-03-19 | 中国电建集团贵阳勘测设计研究院有限公司 | Multistage atmospheric hole hydraulics monitoring system |
| GB2606641B (en) * | 2020-11-30 | 2024-05-22 | China Three Gorges Corp | Water retaining and flushing stoplog gate for lock chamber water-drained overhauling, and drainage method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204097983U (en) * | 2014-10-13 | 2015-01-14 | 国家电网公司 | Tunnel formula water inlet Emergency Gate well construction |
| CN105421313A (en) * | 2015-12-28 | 2016-03-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and device for water filling and pressure balance of extra-high-head gate |
| CN205205793U (en) * | 2015-09-22 | 2016-05-04 | 中国电建集团华东勘测设计研究院有限公司 | Water delivery that utilizes diversion tunnel reconstruction hole makeup of imports of emptyying simultaneously |
| CN107740389A (en) * | 2017-10-18 | 2018-02-27 | 中国电建集团中南勘测设计研究院有限公司 | A kind of diversion tunnel structure and its plugging construction method |
| CN107859009A (en) * | 2017-11-14 | 2018-03-30 | 长江勘测规划设计研究有限责任公司 | Diversion tunnel utilizes lock closure arrangement and method under permanent plug first section joint gate |
| CN108316259A (en) * | 2017-11-14 | 2018-07-24 | 长江勘测规划设计研究有限责任公司 | Diversion tunnel sets up lock under interim plug joint gate and blocks arrangement and method |
| CN208136871U (en) * | 2018-03-13 | 2018-11-23 | 中国电建集团中南勘测设计研究院有限公司 | A kind of free overflow flood-discharge tunnel |
| CN209779580U (en) * | 2018-12-21 | 2019-12-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Low-rise diversion tunnel water retaining structure |
-
2018
- 2018-12-21 CN CN201811569883.2A patent/CN109518666B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204097983U (en) * | 2014-10-13 | 2015-01-14 | 国家电网公司 | Tunnel formula water inlet Emergency Gate well construction |
| CN205205793U (en) * | 2015-09-22 | 2016-05-04 | 中国电建集团华东勘测设计研究院有限公司 | Water delivery that utilizes diversion tunnel reconstruction hole makeup of imports of emptyying simultaneously |
| CN105421313A (en) * | 2015-12-28 | 2016-03-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and device for water filling and pressure balance of extra-high-head gate |
| CN107740389A (en) * | 2017-10-18 | 2018-02-27 | 中国电建集团中南勘测设计研究院有限公司 | A kind of diversion tunnel structure and its plugging construction method |
| CN107859009A (en) * | 2017-11-14 | 2018-03-30 | 长江勘测规划设计研究有限责任公司 | Diversion tunnel utilizes lock closure arrangement and method under permanent plug first section joint gate |
| CN108316259A (en) * | 2017-11-14 | 2018-07-24 | 长江勘测规划设计研究有限责任公司 | Diversion tunnel sets up lock under interim plug joint gate and blocks arrangement and method |
| CN208136871U (en) * | 2018-03-13 | 2018-11-23 | 中国电建集团中南勘测设计研究院有限公司 | A kind of free overflow flood-discharge tunnel |
| CN209779580U (en) * | 2018-12-21 | 2019-12-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Low-rise diversion tunnel water retaining structure |
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