CN205804300U - A kind of low water head ecology crosses garth reconstruction structure - Google Patents
A kind of low water head ecology crosses garth reconstruction structure Download PDFInfo
- Publication number
- CN205804300U CN205804300U CN201620748969.1U CN201620748969U CN205804300U CN 205804300 U CN205804300 U CN 205804300U CN 201620748969 U CN201620748969 U CN 201620748969U CN 205804300 U CN205804300 U CN 205804300U
- Authority
- CN
- China
- Prior art keywords
- dam
- downstream
- fish passage
- crest
- dam body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/60—Ecological corridors or buffer zones
Abstract
The utility model discloses a kind of low water head ecology and cross garth reconstruction structure, including dam body, dam body is divided into step downstream face, dam crest and slope upstream face, dam body bottom is dam body foundation, dam body foundation downstream is provided with base of dam pool and underwater bed, some scalloped channels A are offered in dam body, being provided with the downstream matched with it withered phase in scalloped channels A crosses fish passage and the dam crest withered phase crosses fish passage, dam crest in dam body left bank or right bank or two sides offers scalloped channels B, it is provided with dam crest in scalloped channels B and crosses fish passage flood season, dam crest is crossed fish passages downstream flood season and is connected and have downstream to cross fish passage flood season, this downstream is crossed fish passage and be supported by some piers of filling out being arranged on step downstream face flood season.This utility model partial demolition the most to a certain extent small-sized dam dam structure, makes full use of again the existing ecological environmental protection function value having developed the protected tributary built height of dam 20m small-sized dam of following low water head.
Description
Technical field
This utility model relates to a kind of low water head ecology and crosses garth reconstruction structure, belongs to Hydraulic and Hydro-Power Engineering environment and protects
Protect technical field.
Background technology
" master stream exploitation, tributary protection " is new approaches of ecological environmental protection in China's water conservancy and hydropower exploitation, be by
According to the Heavenly Stems and Earthly Branches stream entirety ecological environmental protection in the order unified planning water conservancy and hydropower exploitation of " dodge, slow down, compensate and rebuild "
Work, the essence of tributary protection is with habitat, replacement master stream, habitat, tributary, affected water in the exploitation of compensatory protection master stream
Biology, and balanced growth and protection between master stream and tributary, habitat, tributary substitutes as compensatory protective measure, protects with it
Protect the advantages such as effectiveness, technical feasibility, economic rationality, environment and society can accept, can be to the ecosystem of river Heavenly Stems and Earthly Branches stream
System multiformity effectively maintains, it is achieved water resources and hydropower development and the doulbe-sides' victory of environmental conservation.
What tributary protection was that the various unfavorable eco-environmental impact causing master stream exploration project compensates most effective arranges
Executing, to some in master stream is developed for affected aquatile rare, peculiar, tributary protection is probably and carries out it just
Ground protection and the fry for artificial enhancement releasing provide the approach most viable, maximally effective of suitable habitats.But from proposing tributary
The concept of protection is embodied as to it, and owing to lacking Administrative support and being not carried out power, and the imperfection of compensation mechanism makes to prop up
The reasons such as stream protection power shortage, cause " master stream exploitation, tributary protection " to be difficult to environmental benefit, economic benefit, society's effect
The most unified and the balance of benefit, in water conservancy and hydropower exploitation, the Eco-environmental Protection Works of " master stream exploitation, tributary protection " is actual holds
Row there is also a series of query and a difficult problem, technology maturation, protected effect be preferable and convenient to operate, the example implemented especially
Lack.
For that carry out water resources and hydropower development but need to carry out the tributary of aquatic life habitat protection, due to it
The problem of the aspects such as the environment that relates to, economy, society is more complicated, about its Reasonable Protection, repairs, rebuilds and compensation etc. is ground
Study carefully, such as remove some the built job facilities on the protected tributary developed, or build some environmental protection installations to change
Kind water quality, regulate Eco-hydrological Processes, build suitable habitat, be pulled through fish passage etc., with realize Heavenly Stems and Earthly Branches stream ecological functions can
The research work of the aspects such as sustainable development is still in the blank stage.
Therefore, according to developing protected tributary " master stream exploitation, tributary protection " aquatic life habitat protection work
" remove existing water conservancy and hydropower facility " and " newly-built Function in Environmental facility " composite request, combine from environment, economic and social etc.
Conjunction angle is set out, novelty carry out the built engineering measure developing on protected tributary, as drop dam, overflow dam, Yong Shui
The Function in Environmental transformation of the height of dam 20m such as dam, overflow dam and following low water head Hydraulic and Hydro-Power Engineering facility, with to protected
Tributary carries out reparation and the reconstruction of ecological environmental protection function, draws aquatile survival activity space, logical protected tributary, and seeks
Make suitable aquatile and substitute habitat, it is achieved Heavenly Stems and Earthly Branches stream ecological functions sustainable development, build environmental type water conservancy and hydropower
Engineering is imperative and meets needs of promoting a conservation culture.
Utility model content
The purpose of this utility model is: according to developing protected tributary " master stream exploitation, tributary protection " aquatile
" removing built water conservancy and hydropower facility " and " newly-built Function in Environmental facility " composite request of habitat protection work, from ring
Border, the comprehensive angle such as economic and social are set out, it is provided that a kind of low water head ecology crosses garth reconstruction structure, can be to a certain extent
Partial demolition has developed height of dam 20m such as built drop dam, protected tributary, overflow dam, harmony dam, overflow dam and following, dam crest
Can the low water head small-sized dam dam structure of overflow flood discharge, give ecological environmental protection function repair developing protected tributary
Multiple, can make full use of again and develop protected tributary built height of dam 20m and the existing ecological environment of the small-sized dam of following low water head
Defencive function is worth, and transforms it from environmental conservation angle, small-sized at the not exclusively former height of dam 20m of destruction and following low water head
Under dam upstream and downstream longtime running on the basis of established aquatile habitat, draw logical protected tributary aquatile survival activity
Space, and build suitable aquatile and substitute habitat, it is to avoid height of dam 20m that protected tributary is built and following low water head water conservancy
The both destruction former low water head Hydraulic and Hydro-Power Engineering facility upstream and downstream that the direct global blowup of hydroelectric project facility is removed has been formed aquatic
Biotope Landscape, forms again new blast working environmental destruction and pollution, it is achieved that " master stream exploitation, tributary protection " Environmental Effect
Benefit, economic benefit, the most unified and balance of social benefit.
This utility model is achieved by following technical solution:
A kind of low water head ecology crosses garth reconstruction structure, this structure include dam body, dam body be divided into step downstream face, dam crest and
Slope upstream face, dam body bottom is dam body foundation, and dam body foundation downstream is provided with base of dam pool and underwater bed, offers in dam body
Some scalloped channels A, being provided with the downstream matched with it withered phase in scalloped channels A crosses fish passage and the dam crest withered phase crosses fish and leads to
Road, the dam crest in dam body left bank or right bank or two sides offers scalloped channels B, is provided with dam crest and crosses fish flood season and lead in scalloped channels B
Road, dam crest crosses fish passages downstream flood season and connects and have downstream to cross fish passage flood season, and flood season is crossed fish passage by some settings in this downstream
Pier of filling out at step downstream face is supported.
The beneficial effects of the utility model are:
Compared with prior art, this utility model is aquatic according to developing protected tributary " master stream exploitation, tributary protection "
" removing existing water conservancy and hydropower facility " and " newly-built environment-friendly function facility " composite request of biological habitat protection work, both one
Determine degree upper part remove developed the height of dam 20m such as built drop dam, protected tributary, overflow dam, harmony dam, overflow dam with
Lower low water head small-sized dam dam structure, to developing protected tributary and give the reparation of ecological environmental protection function, the most fully
Utilize the existing ecological environmental protection function value having developed the protected tributary built height of dam 20m small-sized dam of following low water head,
Transforming it from environmental conservation angle, not exclusively destroying, former height of dam 20m following low water head miniature water above and below the dam is long-term
Under operation on the basis of established aquatile habitat, draw again aquatile survival activity space, logical protected tributary, and build
Suitable aquatile substitutes habitat, has reached the environmental benefit of water resources and hydropower development " master stream exploitation, tributary protection ", warp
Ji benefit, social benefit are effectively unified and balance, it is achieved that Heavenly Stems and Earthly Branches stream ecological functions coordinate sustainable development.
Accompanying drawing explanation
Fig. 1 is that in this utility model, low water head ecology crosses garth scalloped channels cutting structure chart；
Fig. 2 is the top view that in this utility model, low water head ecology crosses garth；
Fig. 3 is the A-A sectional view of Fig. 2；
Fig. 4 is the B-B sectional view of Fig. 2；
In figure: 1-step downstream face；2-dam crest；3-slope upstream face；4-base of dam pool；5-underwater bed；6-downstream is withered
Phase crosses fish passage；The 7-dam crest withered phase crosses fish passage；Flood season is crossed fish passage in 8-downstream；9-dam crest crosses fish passage flood season；10-has a rest
Pond；11-dam body foundation；12-scalloped channels A；13-scalloped channels B；14-anchor block；The former reservoir level of 15-；Reservoir after 16-transformation
Water level, 17-dam body.
Detailed description of the invention
Below in conjunction with drawings and Examples, the technical solution of the utility model is described further, but required protection
Scope is not limited to described；
As Figure 1-4, a kind of low water head ecology that this utility model provides crosses garth reconstruction structure, including dam body 17,
Dam body 17 is divided into step downstream face 1, dam crest 2 and slope upstream face 3, dam body 17 bottom to be dam body foundation 11, dam body foundation 11 times
Trip is provided with base of dam pool 4 and underwater bed 5, offers some scalloped channels A12, be provided with in scalloped channels A12 in dam body 17
The downstream withered phase matched with it crosses fish passage 6 and the dam crest withered phase crosses fish passage 7, on dam body 17 left bank or right bank or the dam of two sides
Scalloped channels B13 2 is offered in top, is provided with dam crest and crosses fish passage 9 flood season in scalloped channels B13, and dam crest crosses fish passage 9 downstream flood season
Connect and have downstream to cross fish passage 8 flood season, this downstream cross flood season fish passage 8 by some be arranged on step downstream face 1 fill out pier 14
It is supported.
Remodeling method specifically includes following steps:
(A) dam body ecological reconstruction
A1, use miniature presplit blasting and concrete cutting, the method that cuts offer on dam body some spaced apart lack
What mouthful passage A, scalloped channels A were positioned at step downstream face is segmented into incline structure, is positioned at being segmented into horizontal structure and being of dam crest
The 1/3-1/2 of dam body height；
A2, use miniature presplit blasting and concrete cutting, the method that cuts at dam body left bank or right bank or the dam crest of two sides
Offer some scalloped channels B, scalloped channels B and scalloped channels A and be spaced layout one by one；
(B) the withered phase crosses the setting of fish passage
B1, based on the smooth-going structure that the scalloped channels A segmentation of step downstream face is formed, use armored concrete to lacking
Mouth is reinforced formation U-shaped the downstream withered phase cross fish passage, it is deep with the base of dam in dam body downstream that this downstream withered phase crosses fish channel end
Pool is connected；
B2, based on the smooth-going structure of the scalloped channels A segmentation of dam crest, use armored concrete breach is reinforced
The dam crest withered phase forming U-shaped crosses fish passage, and this dam crest withered phase spends the fish passage phase withered with downstream and crosses fish passage and be connected；
(C) cross fish passage flood season to arrange
C1, step downstream face is arranged and some fills out pier, fill out pier height and increase successively and top is incline structure；
C2, the downstream being in tilted layout is set crosses fish passage flood season filling out pier top portion, fill out pier top end and offer and this downstream flood season
Crossing the rest pond that fish passage is connected, downstream is crossed fish passage low side and be connected with underwater bed flood season；
C3, based on the scalloped channels B of dam crest, use armored concrete that scalloped channels B is reinforced formation U-shaped
Dam crest crosses fish passage flood season, and this dam crest is crossed fish passage flood season and crossed fish passage flood season with downstream and be connected.
The width of described scalloped channels A and scalloped channels B is 1.7-3.3m, the length of the angular sectors of scalloped channels A
≤ 30m, angle of inclination is 25 °-45 °.
It is 25 °-45 ° that the described downstream withered phase crosses the gradient of fish passage, length≤30m, and width is 1.5-3.0m, and the degree of depth is
0.5-1.5m。
The a length of 0.5-1m in described rest pond, width are 1-2m, the degree of depth is 0.3-0.6m.
It is 0.5-1.5m that the described dam crest withered phase crosses the degree of depth of fish passage.
It is 25 °-45 ° that the gradient of fish passage is crossed in described downstream flood season, length≤50m, and width is 1.5-3m, and the degree of depth is 0.5-
1.5m。
Embodiment:
(1) project profile
Ma Maya one-level power station is big (2) the type engineerings such as II, develops for dam-type, and its dam site is positioned at Guanling fauna and Xingren
The northern dish Jiang Ganliu of county's intersection, dam site above water catching area 16068.0km2, average annual flow 309.0m at dam site3/
s；Engineering development task is taken second place based on generating, shipping, takes into account guarantee downstream ecology environment, landscape water；The normal water-retention of reservoir
Position 585.0m, corresponding storage capacity 1.365 hundred million m3, level of dead water 570.0m, regulate storage capacity 0.732 hundred million m3, there is day regulation performance；Power station
Installed capacity 558MW, it is ensured that exert oneself 97MW, Mean annual energy production 15.92 hundred million kW h；Main structures includes grinding coagulation
Gravity dam, diversion system, left bank underground power house and navigation structure composition.
(2) aquatic life habitat protection object
Ma Maya one-level Hydropower Station Construction relates to section has Fish mesh 9 section 9 subfamily 35 to belong to 48 kinds, wherein has " China
Animals on the brink of extinction Red Data Book Fish " Fish of easily endangering: leaf knot fish, black former Cyprinus carpio and long buttockss etc. 3 kinds, Pearl River system Endemic fish leaf is tied
Fish, black former Cyprinus carpio, long buttocks, Met roller and long-tail etc. 5 kinds.Leaf knot fish, black former Cyprinus carpio, long buttocks, Met roller, long-tail etc. 5 kinds
Fish all have distribution in Ma Maya one-level Dam Site upstream and downstream, and have short distance migration phenomenon, and therefore, engineering emphasis will
Above Fish are as " master stream exploitation, tributary protection " aquatic life habitat protection object.
(3) Xi Mi river, storehouse tail tributary low water head checkdam ecological reconstruction situation (as Figure 1-4)
West is secreted river low water head checkdam and is positioned at more than Xi Mi river, tail right bank tributary, storehouse, Ma Maya one-level power station remittance mouth
100.0m, checkdam height of dam 14.0m, for radial-flow type, dam crest can overflow flood discharge, crest elevation 600.0, elevation 586.0m at the bottom of dam.
Checkdam dam body outer layer is 60cm thickness C20 armored concrete, and internal layer is enrockment, and two dam abutments go deep into basement rock 2.5m, and basis is 2.0m
Thick plain concrete construction；Checkdam upstream face is 60 ° of straight slopes, and downstream face is stepped ramp type drop bank, and every one-level step is high
2.0m, totally 7 grades of steps, the step entirety gradient is 45 °；Strong point is had to reach 8.0m, bosom below checkdam base of dam bed elevation
Pool is washed away in the drop reaching 1.5m；Checkdam dam length 33.0m, dam crest thickness 3.0m, dam base thickness 18.0m；Checkdam reservoir area backwater
11.0km, reservoir level is throughout the year at 600.0m, and reservoir maximum water depth reaches 13.5m.
According to Environmental Protection Department to Ma Maya one-level power station " master stream exploitation, tributary protection " aquatic life habitat protection
Requirement, Ma Maya one-level power station implements west and secretes river checkdam ecology and cross fish improvement project, and local government also promises to undertake not in west
Secrete river and carry out hydroelectric development construction, to meet 5 kinds of straddling fish stocks guarantors such as leaf knot fish, black former Cyprinus carpio, long buttocks, Met roller, long-tail
Protect requirement.
It is matrix that the scalloped channels pattern of river checkdam dam body ecological reconstruction is secreted in west, takes miniature presplit blasting and coagulation
Soil cuts, cuts construction technology, is removed its stepped ramp type drop bank downstream face and dam crest.Dam body downstream face breach is removed
At 1, being laid at river course position of center line, the gradient after dismounting is 30 °, reduces 15 ° than the former stepped ramp type downstream face gradient, changes
Dam body downstream face after making removes the long 12.0m of smooth-going structure of barbed portion, and recess width is 2.7m.
Dam crest 2 breach of dam body 17 is removed at 2, is laid at river course position of center line at first, high by original 600.0
Journey is removed to 591.8m elevation, the dam crest 2 long 7.6m of breach, the groove width 2.7m after dismounting, its smooth-going structure formed after removing
The smooth-going structure of barbed portion formation is removed without bank, seamless overlap joint with step downstream face 1；Dam body 17 right bank it is laid at second,
Being removed to 599.1m elevation by 600.0 original elevations, the dam crest 2 long 3.5m of breach, the groove width 2.7m after dismounting, after it is removed
The smooth-going structure formed and downstream are crossed fish passage 8 and overlap flood seasons.
West is secreted withered phase of river checkdam and is crossed fish passage and remove, at dam body downstream face and dam crest, the smooth-going knot that barbed portion is formed
Build on the basis of structure, and take armored concrete that matrix is removed breach to give strengthening reconstruction and form, downstream face breach and dam crest
The steel bar concrete reinforcement depth of foundation of breach is respectively 0.3m and 0.2m.The downstream withered phase crosses and smoothes out bottom fish passage 6, channel-style
Formula is matrix, and the gradient is 30 °, a length of 12.0m, and width is 2.5m, and the degree of depth is 0.7m, top elevation 592.7m, bottom elevation
586.0m；The dam crest withered phase crosses and smoothes out bottom fish passage 7, and passage pattern is matrix, a length of 7.6m, and width is 2.5m, and the degree of depth is
0.7m, top elevation 592.7m, bottom elevation 592.0m.
West is secreted and flood season of river checkdam is crossed fish passage and be laid in dam body right bank, dam crest 2 remove that barbed portion formed flat
Cross fish passage 8 flood season along overlapping newly-built downstream on architecture basics, and take 0.2m thickness armored concrete that dam crest 2 matrix is removed
Breach gives strengthening reconstruction and forms.
Downstream is crossed and smooth out bottom fish passage 8 flood season, and passage pattern is matrix, and the gradient is 30 °, a length of 26.6m, and width is
2.5m, the degree of depth is 0.7m, top elevation 600.0m, bottom elevation 586.0m.Downstream is crossed fish passage 8 base foundation and be provided with 5 flood season
Place's anchor block 14, lays respectively at the 2.0m (being laid on riverbed) on bottom to top, 7.5m (being laid on riverbed), 15.0m (laying
On first order step), 19.0m (being laid on third level step), 23.0m (being laid on level V step) place, 5 anchor blocks
14 height are respectively 1.5m, 4.3m, 6.5m, 3.5m, 2.0m, are wherein laid in the anchor block with rest pond 10 on first order step
Being 2.8m along a length of 1.5m in fish direction, width excessively, remaining anchor block length is 1.0m, width is 2.8m；Rectangle is set
At structure rest pond 10 1, it is laid in downstream and crosses fish passage 8 bottom flood season at the 15.0m on top, the deep 0.5m in rest pond 10, hangs down
The straight width crossing fish direction is 1.5m, along crossing a length of 0.8m in fish direction.
Dam crest is crossed and smooth out bottom fish passage 9 flood season, and passage pattern is matrix, a length of 3.5m, and width is 2.5m, and the degree of depth is
0.7m, top elevation 600.0m, bottom elevation 599.3m.
River checkdam is secreted by carrying out dam crest 2 ecological reconstruction and arranging the dam crest withered phase and cross fish passage 7 in west, reduces dam crest 2
Elevation is reduced to 6.0m to 592.0m, height of dam by original 14.0m, increases natural flowing water section, Reservoir region length 9.0km, accounts for
The 81.8% of former backwater of reservoir, builds more many suitable aquatile existence and the natural river course flowing water habitat of breeding, makes west
Secrete river checkdam upstream and downstream present " under dam before natural torrent river course, base of dam deep water torrent river course, dam deep water unhurried current river course, storehouse
Tail and above natural torrent river course " the multiformity aquatile habitat that distributes alternately, reach Ma Maya one-level power station
Environmental benefit, economic benefit, social benefit effectively unification and the balance of engineering development " master stream exploitation, tributary protection ", it is achieved that
Heavenly Stems and Earthly Branches stream ecological functions coordinate sustainable development.
Claims (1)
1. a low water head ecology crosses garth reconstruction structure, it is characterised in that: this structure includes that dam body, dam body are divided into step downstream
Face, dam crest and slope upstream face, dam body bottom is dam body foundation, and dam body foundation downstream is provided with base of dam pool and underwater bed, dam
Internal offering some scalloped channels A, being provided with the downstream matched with it withered phase in scalloped channels A crosses fish passage and dam crest is withered
Phase crosses fish passage, and the dam crest in dam body left bank or right bank or two sides offers scalloped channels B, is provided with dam crest flood in scalloped channels B
Phase crosses fish passage, and dam crest is crossed fish passages downstream flood season and connected and have downstream to cross fish passage flood season, and this downstream is crossed fish passage and pass through flood season
Some piers of filling out being arranged on step downstream face are supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620748969.1U CN205804300U (en) | 2016-07-14 | 2016-07-14 | A kind of low water head ecology crosses garth reconstruction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620748969.1U CN205804300U (en) | 2016-07-14 | 2016-07-14 | A kind of low water head ecology crosses garth reconstruction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205804300U true CN205804300U (en) | 2016-12-14 |
Family
ID=57511582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620748969.1U Active CN205804300U (en) | 2016-07-14 | 2016-07-14 | A kind of low water head ecology crosses garth reconstruction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205804300U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012836A (en) * | 2017-04-21 | 2017-08-04 | 中国科学院、水利部成都山地灾害与环境研究所 | Sill may and levee system |
| CN110396991A (en) * | 2019-07-08 | 2019-11-01 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of small-sized dam of bottom sieve frame barrier formula having fish function |
-
2016
- 2016-07-14 CN CN201620748969.1U patent/CN205804300U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012836A (en) * | 2017-04-21 | 2017-08-04 | 中国科学院、水利部成都山地灾害与环境研究所 | Sill may and levee system |
| CN110396991A (en) * | 2019-07-08 | 2019-11-01 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of small-sized dam of bottom sieve frame barrier formula having fish function |
| CN110396991B (en) * | 2019-07-08 | 2024-03-19 | 中国电建集团贵阳勘测设计研究院有限公司 | Small-sized dam with bottom grid barrier with fish passing function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104634325A (en) | Reservoir water temperature change rule prototype observation method | |
| CN103290805A (en) | Method for regulating river water by utilizing sea power | |
| CN205804300U (en) | A kind of low water head ecology crosses garth reconstruction structure | |
| CN103741642B (en) | River course littoral zone water demand for natural service in dry season regulation device and method under dam | |
| CN109385975A (en) | A kind of compound river channel system | |
| CN106120677B (en) | A kind of low water head ecology crosses garth remodeling method and structure | |
| CN203373809U (en) | Vertical well type laminated water taking structure | |
| Shin et al. | The four major rivers restoration project in South Korea | |
| CN104179624A (en) | Current-driven ultralarge impeller power generation method and river dredging method | |
| CN201649042U (en) | Water storage structure of artificial underground river | |
| CN101831893B (en) | Underground and ground reservoir storage cycle generating system for artificial underground river | |
| CN100383343C (en) | Envionmental protection type multi-purpose riverbed for flood and drainage | |
| CN1193137C (en) | Environmental protection type multipurpose flood discharging and draining riverbed | |
| Zhang | Weighing the pros and cons: Transformation of angle of view for Three Gorges Dam | |
| CN110396978A (en) | Improve the method that river ecological structure promotes urban rives water ecological environment | |
| Nakagawa et al. | The Shichika Canal of Japan since the twelfth century | |
| Stacey et al. | Water resources development in the Cauvery river basin, India | |
| Dao | History of Water Conservancy in China | |
| Chen et al. | Regulation, Development, and Utilization of the Yangtze River | |
| Chaube et al. | Rehabilitation and Modernization | |
| Hopkins | Dee regulation reservoirs | |
| Wang et al. | Hydrology and Water Resources | |
| Deng et al. | The protection and development of historic Lougang water resource features along Lake Tai | |
| Koenig et al. | Ancient water supply system of the old town of Lijiang, Yunnan Province, China | |
| Winder et al. | THE EMPINGHAM RESERVOIR PROJECT (RUTLAND WATER). |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |