CN103938578A - Silting reduction system for heavily silt-carrying river reservoir - Google Patents
Silting reduction system for heavily silt-carrying river reservoir Download PDFInfo
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- CN103938578A CN103938578A CN201410076697.0A CN201410076697A CN103938578A CN 103938578 A CN103938578 A CN 103938578A CN 201410076697 A CN201410076697 A CN 201410076697A CN 103938578 A CN103938578 A CN 103938578A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
Abstract
The invention relates to general hydraulic engineering, in particular to a silting reduction system for a heavily silt-carrying river reservoir. The IPC numbers are E02B1/00 and E02B9/02. According to the system, a silt-blocking submerged dike is constructed in the reservoir, the reservoir is divided into a clean water reservoir area and a muddy water reservoir area, a silt conveying culvert is utilized for efficiently draining silt-carrying flow in the distance of the upstream of the dike out of the reservoir, the aims of water storage and silt discharging are achieved at the same time, and the rainfall washing distance of the reservoir is enlarged; fine-particle silt turned and overflowed to the area, in front of the dike, of the reservoir through the silt-blocking submerged dike is discharged out of the reservoir through a dike tunnel spillway in a submerged silt pump reservoir desilting mode; according to a wide, shallow and bent silting form occurring on a reservoir area riverway, a reservoir area straight river channel facilitating density flow transport is built in a submerged silt pump dredging mode, and the natural desilting effect of the reservoir is improved. The system is applicable to heavily silt-carrying river reservoir construction and silting waste reservoir reconstructed projects.
Description
Technical field:
The present invention relates to a kind of general hydraulic engineering, particularly a kind of for reducing the engineering of reservoir on hyperconcentration river alluvial, its IPC international Patent classificating number E02B1/00, E02B9/02, belongs to Water Resources Domain.
Background technology:
Along with the development of economic society, the mankind are increasing to the development and utilization demand in river, on river, build water-control project more and more, As time goes on and extend, a lot of reservoirs significantly reduce because of Sediment Siltation problem retaining usefulness, especially quite a few reservoir of heavily silt-carrying river loses normal water storage function because of serious Sediment Siltation, and dam and the ancillary building thereof built for the emerging profit of retaining are originally also therefore ineffective, causes the serious waste of resource; Simultaneously, along with the undying exploitation of the mankind to river, on river, the suitable dam site of building reservoir is fewer and feweri, can not meet the requirement of social development to water resources development and utilization far away, needs further development and utilization water resource to support the sustainable development of economic society; On the other hand; along with country puts more effort and the improvement of people's living standard to environmental protection; water and soil conservation obtains considerable progress and remarkable result; in addition the continuous propelling of making ground is filled out in utilization utilization and silt; the amount of sediment that enters reservoir obviously reduces, and utilizing reservoir natural sand discharging to maintain reservoir sustainable utilization in conjunction with the husky desilting of excavated by manual work becomes possibility.Mostly water control project was to build dam and formed single reservoir in the past, mainly to utilize minimum capacity of a reservoir sediment trapping and density current sand discharge, indivedual reservoirs were also carried out the husky desilting of simple reservoir excavated by manual work, but precedent is built or transformed to the key water control project that is not also combined with each other at present formation clear water and two reservoir areas of muddy water by building dam, submerged sediment control dam, do not have reservoir desilting to pass through dam necessary structure yet and discharge the precedent outside storehouse.
Summary of the invention:
The present invention, in order to solve deficiency of the prior art, provides the system of lower, easy and simple to handle, the safe minimizing reservoir on hyperconcentration river Sediment Siltation of a kind of construction cost.
The technical solution used in the present invention is: a kind of reservoir on hyperconcentration river subtract silt system, be included in dam upstream and build submerged sediment control dam, two parts before and after reservoir is separated into, wherein, are clear water reservoir area between dam and submerged sediment control dam, submerged sediment control dam upstream is muddy water reservoir area; On described submerged sediment control dam, arrange into sand drift road, described enter sand drift road front end regulating gate is set, at described regulating gate forward position setting pressure sensor, on-line monitoring submerged sediment control dam forward position Sediment Siltation situation; Pressure sensor is connected with gate automatic open and close control system;
Between dam and submerged sediment control dam, build sediment transport culvert, on described sediment transport culvert, build service shaft well; Utilize described sediment transport culvert by described enter the sand discharge hole of sand drift road and dam be communicated with;
At a set of diving sand pump desilting system of the each laying in clear water reservoir area and muddy water reservoir area, be respectively used to extract clear water reservoir area fine sediment alluvial body and muddy water reservoir area Sediment Siltation body, described diving sand pump desilting system comprises diving sand pump ship, remote sediment delivery pipe and is connected to the spoil disposal flexible pipe of described remote sediment delivery pipe rear end, on described remote sediment delivery pipe, every a segment distance, buoyancy aid is set, described remote sediment delivery pipe is floated on the surface; Wherein, be laid in the diving sand pump desilting system of clear water reservoir area, its diving sand pump ship is arranged near submerged sediment control dam downstream; Choose the import maintenance gate slot of certain flood discharging tunnel on dam, a perforate gate is installed on described maintenance gate slot, the described spoil disposal flexible pipe of the described diving sand pump desilting system that is laid in clear water reservoir area is connected in the perforate of perforate gate.
Reservoir on hyperconcentration river of the present invention subtracts silt system, build submerged sediment control dam in reservoir area, conventional libraries is divided into muddy water and upper and lower two storehouses of clear water, utilizing clear water reservoir area between submerged sediment control dam and dam to build sediment transport culvert realizes reservoir filling and precipitation and washes away the reservoir operation of neglecting neither and use, dock with dam sand discharge hole by sediment transport culvert reservoir sand inlet is moved forward to convenient and is beneficial in the reservoir area of silt carrying flow excretion outlet, and utilize be arranged on submerged sediment control dam enter sand drift banister in front of the door pressure sensor to submerged sediment control dam before Sediment Siltation situation on-line monitoring and information response, automatically control and coordinate sand discharge hole and enter the gate opening/closing work of sand drift road, reservoir is discharged in the real-time silt carrying flow that submerged sediment control dam is collected, expand reservoir precipitation headcut scour scope, improve reservoir sand discharge effect.Likely turn over excessive submerged sediment control dam, cause a small amount of situation of depositing in clear water reservoir area for the density current that enters reservoir, clear water reservoir area diving sand pump desilting system is laid in design.Utilize this cover to subtract silt system, the emerging profit phase of using sand discharge hole Service gate to close at reservoir filling, utilize the perforate gate of design to replace dam flood-discharge hole import Emergency Gate, by diving sand pump spoil disposal flexible pipe by the UNICOM in perforate gate, linkage and dam flood-discharge hole, automation synchronous manipulation sand pump is dredged and flood discharging tunnel work, the co-ordination of Emergency Gate headstock gear, the a small amount of fine sediment that enters clear water reservoir area is dug to discharge reservoir, ensure clear water storage capacity long term maintenance; Likely there is the alluvial form problem that is unfavorable for that silt carrying flow is moved to submerged sediment control dam sand inlet for the front river course of submerged sediment control dam, utilize diving sand pump to dig husky river training, mould and be conducive to the defeated straight riverbed of moving, density current reservoir area, becomes silted up to fill out and makes in sand discharge to river course, reservoir area both sides raceway groove or depression on the one hand; Also can sand discharge to submerged sediment control dam sand inlet, realize the object outside non-desilting in the flood season spoil disposal of reservoir storehouse by sediment transport culvert.Whole system is easy and simple to handle, safe and reliable, is highly suitable for that reservoir on hyperconcentration river is built and the waste and old reservoir reconstruction engineering of depositing, and has extremely strong application value and replicability.
Brief description of the drawings:
Fig. 1 is subtract each building and implantation of device schematic diagram in silt system of the present invention;
Fig. 2 is the linkage schematic diagram that in Fig. 1, in maintenance gate slot, perforate gate is connected with spoil disposal flexible pipe.
In figure, dam 1, maintenance gate slot 2, flood discharging tunnel 3, sand discharge hole 4, sediment transport culvert 5, submerged sediment control dam 6, enter sand drift road 7, muddy water reservoir area Sediment Siltation body 8, clear water reservoir area fine sediment alluvial body 9, perforate gate 10, linkage 11, spoil disposal flexible pipe 12, diving sand pump ship 13, remote sediment delivery pipe 14, hyper-concentration flow 15, remote sediment delivery pipe by-pass valve control 16, buoyancy aid 17, sand discharge hole Service gate 18.
Detailed description of the invention:
Below in conjunction with Fig. 1 and Fig. 2, the silt system that subtracts of reservoir on hyperconcentration river of the present invention is elaborated.
Build submerged sediment control dam 6 in dam 1 upstream, two parts before and after reservoir is separated into, wherein, are clear water reservoir area between dam 1 and submerged sediment control dam 6, and submerged sediment control dam 6 upstreams are muddy water reservoir area.The position of submerged sediment control dam 6 and crest elevation, according to the emerging sharp water level of dam, enter the situations such as the husky condition of storehouse water, riverbed, reservoir area geology and form, those skilled in the art can, according to prior art and design specifications, determine by calculating, and repeat no more here.On described submerged sediment control dam 6, arrange into sand drift road 7, described enter sand drift road 7 front ends regulating gate is set, at described regulating gate forward position setting pressure sensor, on-line monitoring submerged sediment control dam 6 forward position Sediment Siltation situations; Pressure sensor is connected with gate automatic open and close control system.Enter quantity and the specification size in sand drift road 7, determine according to reservoir capacity, sand content etc.
Between dam 1 and submerged sediment control dam 6, build sediment transport culvert 5, on described sediment transport culvert 5, build service shaft well; Utilize described sediment transport culvert 5 by described enter the part sand discharge hole 4 of sand drift road 7 and dam 1 be communicated with.Dam on reservoir on hyperconcentration river, many sand discharge holes 4 are generally all built, method of the present invention, the number of entering sand drift road 7 generally can be less than the number of drainage tunnel, therefore, only need select wherein part sand discharge hole 4 to be communicated with described sediment transport culvert 5, the mode of connection, is generally the corresponding sediment transport culvert 5 in a sand discharge hole 4.
At a set of diving sand pump desilting system of the each laying in clear water reservoir area and muddy water reservoir area, be respectively used to extract clear water reservoir area fine sediment alluvial body 9 and muddy water reservoir area Sediment Siltation body 8, the described diving sand pump of every cover desilting system comprises diving sand pump ship 13, remote sediment delivery pipe 14 and is connected to the spoil disposal flexible pipe 12 of described remote sediment delivery pipe 14 rear ends, on described remote sediment delivery pipe 14, every a segment distance, buoyancy aid 17 is set, described remote sediment delivery pipe 14 is floated on the surface.When crossing the water of submerged sediment control dam 6 and enter clear water reservoir area, silt wherein mainly deposits near submerged sediment control dam 6, therefore, is laid in the diving sand pump desilting system of clear water reservoir area, and its diving sand pump ship 13 is arranged near in submerged sediment control dam 6 downstreams.Choose the import maintenance gate slot 2 of certain flood discharging tunnel 3 on dam 1, a perforate gate 10 is installed on described maintenance gate slot 2, replace conventional Emergency Gate, on perforate gate 10, be provided with perforate, utilize linkage 11 that the described spoil disposal flexible pipe 12 of the described diving sand pump desilting system that is laid in clear water reservoir area is connected in the perforate of perforate gate 10, the object of this linkage 11 is that spoil disposal flexible pipe 12 and perforate gate 10 are connected as one, and perforate can be closed completely, make perforate gate 10 water-tight, those skilled in the art can be easy to make according to actual needs, its this manual of concrete structure repeats no more.
This cover subtracts the method for operation of silt system: when flood season flood discharge, described in enter sand drift road 7 described regulating gate be held open, also all open in dam flood-discharge hole 3, reservoir area silt is washed away rapidly, discharges from sand discharge hole 4 and flood discharging tunnel 3; Before flood, carry out precipitation while washing away, described in enter sand drift road 7 described regulating gate be held open, flood discharging tunnel 3 is partly or entirely closed, muddy water reservoir area Sediment Siltation body 8 is discharged by described sand discharge hole;
When non-reservoir in flood period retaining, flood discharging tunnel 3 Close Alls on described regulating gate and the dam 1 of submerged sediment control dam 6, the Sediment Siltation situation in submerged sediment control dam 6 forward positions is given described gate automatic open and close control system by pressure sensor real-time Transmission, when the pressure causing when alluvial reaches the limit value of setting, described gate automatic open and close control system is opened described regulating gate, and silt is by entering sand drift road 7 and sediment transport culvert 5 is discharged.In the time there is clear water reservoir area fine sediment alluvial body 9, start described clear water reservoir area diving sand pump desilting system, the hyper-concentration flow of extraction, by the perforate of described perforate gate 10, is discharged from flood discharging tunnel 3;
When muddy water reservoir area Sediment Siltation body 8 appears in submerged sediment control dam 6 upstreams, while being unfavorable for silt carrying flow to the entering sand drift road 7 and move of submerged sediment control dam 6, start the described diving sand pump desilting system that is laid in muddy water reservoir area, be used for extracting muddy water reservoir area Sediment Siltation body 8, silt is drained into river course, reservoir area both sides raceway groove or depression, mould and be conducive to the defeated straight riverbed of moving, density current reservoir area, become silted up to fill out simultaneously and make ground; Or sand discharge is entered near sand drift road 7 to submerged sediment control dam 6, realizes the non-desilting in flood season of reservoir sand discharge by sediment transport culvert 5.
Claims (1)
- Reservoir on hyperconcentration river subtract a silt system and method, be included in dam upstream and build submerged sediment control dam, two parts before and after reservoir is separated into, wherein, are clear water reservoir area between dam and submerged sediment control dam, submerged sediment control dam upstream is muddy water reservoir area; On described submerged sediment control dam, arrange into sand drift road, described enter sand drift road front end regulating gate is set, at described regulating gate forward position setting pressure sensor, on-line monitoring submerged sediment control dam forward position Sediment Siltation situation; Pressure sensor is connected with gate automatic open and close control system;Between dam and submerged sediment control dam, build sediment transport culvert, on described sediment transport culvert, build service shaft well; Utilize described sediment transport culvert by described enter the sand discharge hole of sand drift road and dam be communicated with;At a set of diving sand pump desilting system of the each laying in clear water reservoir area and muddy water reservoir area, be respectively used to extract clear water reservoir area fine sediment alluvial body and muddy water reservoir area Sediment Siltation body, described diving sand pump desilting system comprises diving sand pump ship, remote sediment delivery pipe and is connected to the spoil disposal flexible pipe of described remote sediment delivery pipe rear end, on described remote sediment delivery pipe, every a segment distance, buoyancy aid is set, described remote sediment delivery pipe is floated on the surface; Wherein, be laid in the diving sand pump desilting system of clear water reservoir area, its diving sand pump ship is arranged near submerged sediment control dam downstream: the import maintenance gate slot of choosing certain flood discharging tunnel on dam, a perforate gate is installed on described maintenance gate slot, the described spoil disposal flexible pipe of the described diving sand pump desilting system that is laid in clear water reservoir area is connected in the perforate of perforate gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410076697.0A CN103938578B (en) | 2014-02-27 | 2014-02-27 | A kind of reservoir on hyperconcentration river subtract silt system |
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| CN201410076697.0A CN103938578B (en) | 2014-02-27 | 2014-02-27 | A kind of reservoir on hyperconcentration river subtract silt system |
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| CN103938578A true CN103938578A (en) | 2014-07-23 |
| CN103938578B CN103938578B (en) | 2015-09-30 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264730A (en) * | 2014-09-11 | 2015-01-07 | 河海大学 | Zero-carbon-emission reservoir desilting device and use method thereof |
| CN104372774A (en) * | 2014-10-29 | 2015-02-25 | 易浩颖 | Automatic switch of pocket floor moraine discharging gate |
| CN104895019A (en) * | 2015-06-03 | 2015-09-09 | 舟山市智海技术开发有限公司 | Reservoir desilting system |
| CN104912043A (en) * | 2015-06-19 | 2015-09-16 | 中国电建集团成都勘测设计研究院有限公司 | Diversion drainage structure for tunnel inside in water conservancy and hydropower project and construction method of diversion drainage structure |
| CN105089006A (en) * | 2014-05-21 | 2015-11-25 | 天津虹炎科技有限公司 | Siltation reduction system for reservoir |
| CN105839586A (en) * | 2016-03-31 | 2016-08-10 | 马向前 | Silt reduction and removal facility for reservoir and operation method of silt reduction and removal facility |
| CN104674874B (en) * | 2015-01-30 | 2016-09-14 | 宁波创蓝环境科技有限公司 | Channel cleanout device and dredging method thereof |
| CN107489127A (en) * | 2017-08-12 | 2017-12-19 | 西北农林科技大学 | Density current reservoir deposits processing method is moulded based on jet erosion |
| CN108457237A (en) * | 2018-01-24 | 2018-08-28 | 西北农林科技大学 | A kind of dredging sand discharge dam system's arrangement system and its working method |
| CN110055925A (en) * | 2019-03-18 | 2019-07-26 | 黄河水利委员会黄河水利科学研究院 | A kind of heavily silt-carrying river large and middle reservoirs flood season water storage sand discharge separation system |
| CN111576331A (en) * | 2020-05-18 | 2020-08-25 | 郭萌 | River is administered with transferring husky desilting device |
| CN111576330A (en) * | 2020-05-18 | 2020-08-25 | 郭萌 | Sand-adjusting dredging method for river treatment |
| CN113005983A (en) * | 2021-02-01 | 2021-06-22 | 浙江大学 | Sand discharging device for normal curved surface funnel reservoir |
| CN113139230A (en) * | 2021-04-30 | 2021-07-20 | 黄河勘测规划设计研究院有限公司 | Design method for reducing silt of submerged dam of urban small and medium drift river |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062572A (en) * | 1991-08-01 | 1992-07-08 | 张善仿 | The new technology of dredging of rivers |
| CN1201095A (en) * | 1997-05-30 | 1998-12-09 | 陈启星 | Structure for hydropower station preventing reservoir from silting |
| JP2006200168A (en) * | 2005-01-19 | 2006-08-03 | Taisei Corp | Method and system for removing sediment from dam |
| CN101768986A (en) * | 2010-01-28 | 2010-07-07 | 河海大学 | Jet pipe used for dredging below hydraulic underwater horizontal gate and application method thereof |
| JP2012188829A (en) * | 2011-03-09 | 2012-10-04 | Torao Inoue | Erosion control dam |
-
2014
- 2014-02-27 CN CN201410076697.0A patent/CN103938578B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062572A (en) * | 1991-08-01 | 1992-07-08 | 张善仿 | The new technology of dredging of rivers |
| CN1201095A (en) * | 1997-05-30 | 1998-12-09 | 陈启星 | Structure for hydropower station preventing reservoir from silting |
| JP2006200168A (en) * | 2005-01-19 | 2006-08-03 | Taisei Corp | Method and system for removing sediment from dam |
| CN101768986A (en) * | 2010-01-28 | 2010-07-07 | 河海大学 | Jet pipe used for dredging below hydraulic underwater horizontal gate and application method thereof |
| JP2012188829A (en) * | 2011-03-09 | 2012-10-04 | Torao Inoue | Erosion control dam |
Non-Patent Citations (1)
| Title |
|---|
| 李希霞等: "板桥峪抽水蓄能电站防沙措施的试验研究", 《泥沙研究》 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089006A (en) * | 2014-05-21 | 2015-11-25 | 天津虹炎科技有限公司 | Siltation reduction system for reservoir |
| CN104264730B (en) * | 2014-09-11 | 2016-06-15 | 河海大学 | The reservoir dredging device of a kind of zero carbon emission and using method thereof |
| CN104264730A (en) * | 2014-09-11 | 2015-01-07 | 河海大学 | Zero-carbon-emission reservoir desilting device and use method thereof |
| CN104372774A (en) * | 2014-10-29 | 2015-02-25 | 易浩颖 | Automatic switch of pocket floor moraine discharging gate |
| CN104674874B (en) * | 2015-01-30 | 2016-09-14 | 宁波创蓝环境科技有限公司 | Channel cleanout device and dredging method thereof |
| CN104895019B (en) * | 2015-06-03 | 2017-01-18 | 河南水建集团有限公司 | Reservoir desilting system |
| CN104895019A (en) * | 2015-06-03 | 2015-09-09 | 舟山市智海技术开发有限公司 | Reservoir desilting system |
| CN104912043A (en) * | 2015-06-19 | 2015-09-16 | 中国电建集团成都勘测设计研究院有限公司 | Diversion drainage structure for tunnel inside in water conservancy and hydropower project and construction method of diversion drainage structure |
| CN105839586A (en) * | 2016-03-31 | 2016-08-10 | 马向前 | Silt reduction and removal facility for reservoir and operation method of silt reduction and removal facility |
| CN107489127A (en) * | 2017-08-12 | 2017-12-19 | 西北农林科技大学 | Density current reservoir deposits processing method is moulded based on jet erosion |
| CN108457237A (en) * | 2018-01-24 | 2018-08-28 | 西北农林科技大学 | A kind of dredging sand discharge dam system's arrangement system and its working method |
| CN110055925A (en) * | 2019-03-18 | 2019-07-26 | 黄河水利委员会黄河水利科学研究院 | A kind of heavily silt-carrying river large and middle reservoirs flood season water storage sand discharge separation system |
| CN110055925B (en) * | 2019-03-18 | 2021-06-29 | 黄河水利委员会黄河水利科学研究院 | Water storage and sand discharge separation system for large and medium reservoir in flood season of sandy river |
| CN111576331A (en) * | 2020-05-18 | 2020-08-25 | 郭萌 | River is administered with transferring husky desilting device |
| CN111576330A (en) * | 2020-05-18 | 2020-08-25 | 郭萌 | Sand-adjusting dredging method for river treatment |
| CN113005983A (en) * | 2021-02-01 | 2021-06-22 | 浙江大学 | Sand discharging device for normal curved surface funnel reservoir |
| CN113139230A (en) * | 2021-04-30 | 2021-07-20 | 黄河勘测规划设计研究院有限公司 | Design method for reducing silt of submerged dam of urban small and medium drift river |
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