CN117144862A - Ecological fishway structure of inland river lock and construction method - Google Patents
Ecological fishway structure of inland river lock and construction method Download PDFInfo
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- CN117144862A CN117144862A CN202311390988.2A CN202311390988A CN117144862A CN 117144862 A CN117144862 A CN 117144862A CN 202311390988 A CN202311390988 A CN 202311390988A CN 117144862 A CN117144862 A CN 117144862A
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 241000251468 Actinopterygii Species 0.000 claims abstract description 20
- 230000005012 migration Effects 0.000 claims abstract description 10
- 238000013508 migration Methods 0.000 claims abstract description 10
- 239000004567 concrete Substances 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 7
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 239000011178 precast concrete Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/08—Fish passes or other means providing for migration of fish; Passages for rafts or boats
- E02B8/085—Devices allowing fish migration, e.g. fish traps
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Revetment (AREA)
Abstract
The invention relates to the technical field of construction of inland ship locks and avionic locks, in particular to an ecological fishway structure of an inland ship lock and a construction method. The ecological fishway is divided into a plurality of structural sections to be arranged in the lock walls, and the joints of the structural sections are positioned at the structural joints of the lock walls of two adjacent sections and are connected through a water stop belt mechanism. According to the invention, the ecological fishway is arranged in the lock wall structure of the ship lock, the lock wall structure is used as a carrier of the fishway, so that the occupied area of the ecological fishway is reduced, the migration requirement of fishes in the river can be met, and meanwhile, the construction cost of the fishway is reduced; by adopting the mode of combining the cast-in-situ side wall and the prefabricated top plate to construct the ecological fishway, the problems of narrow space inside the ecological fishway and high difficulty in erecting and dismantling the bracket are solved.
Description
Technical Field
The invention relates to the technical field of construction of inland ship locks and avionic locks, in particular to an ecological fishway structure of an inland ship lock and a construction method.
Background
In recent years, large-scale dam construction is performed on rivers to raise the water storage level, and the dam is used for flood control, water supply, irrigation, hydroelectric power generation, shipping improvement and the like. However, after the gate dam cuts off the river channel, the natural river channel of the fish is blocked, and the influence on the life cycle, the inhabitation space, the life habit and the like of the fish is caused, so that the fish passing channel is required to be arranged, and the migration of the fish is satisfied. Fishways can be divided into two types of pool-type fishways and groove-type fishways according to structural forms. The pool type fishway is composed of a pool connected with the upstream and the downstream in series and is very close to a natural river, but the pool type fishway is small in applicable water head and large in occupied area, so that the applicability is limited. The fishway is divided into a simple tank type fishway and a diaphragm type fishway, the diaphragm type fishway divides the total water level difference of the upstream and downstream of the water tank into a plurality of cascade pond chambers, namely cascade fishways or fishladders, the fishway dissipates energy by utilizing water cushion, along-path friction and water flow opposite flushing and diffusion, improves the flow state, reduces the flow velocity of fish passing holes, and can adapt to the requirements of fishes with different habits by adjusting the form, the position and the size of the fish passing holes.
In the field of construction of inland ship locks and navigation armature buttons, structures and facilities are arranged beside a dam body or a dam independently for fish to pass through barriers such as the dam and the water lock, so that the construction method is large in occupied area and high in construction difficulty, and meanwhile project construction cost is increased. In recent years, there is no case of using ship locks as fishways, such as the chinese patents CN 202010417336.3 and CN202010024741.9. However, the ship lock is designed for controlling water flow initially so that ships can pass through, and the fishway needs to provide a proper water flow environment so that fish can migrate smoothly, and the water flow speed and water level control of the ship lock can cause trouble to the migration of fish so as to influence the survival and reproduction of the fish; ship locks are often of large size and complex construction, where there may be factors unsafe for fish, such as turbulence in the water flow, operation of mechanical equipment, etc., which may cause injury to the fish or prevent their passage; the ship lock is generally used for manually regulating the water area flow, and the migration of fishes is generally dependent on natural water flow conditions, and the ship lock is used as a fishway, so that the fishes can encounter difficulty in adapting to and by means of the artificial environment, and the migration is failed or stopped; the ship lock and the fishway have different requirements in terms of design, construction, maintenance, management and the like, and combining the two may increase management difficulty and cost, and requirements on related technologies and resources.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an ecological fishway structure of a inland river lock and a construction method.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a construction method of an ecological fishway structure of an inland river ship lock is characterized by comprising the following steps: the ecological fishway is divided into a plurality of structural sections to be arranged in the lock walls, the joints of the structural sections are positioned at the structural joints of the lock walls of two adjacent sections and are connected through a water stop belt mechanism, and the concrete construction method comprises the following steps:
step 1, mounting a water stop mechanism at a structural joint: the water stop mechanism comprises copper sheet water stops and rubber water stops, wherein the periphery of an ecological fishway at a structural joint of two adjacent sections of gate walls is outwards expanded by one section of width, a circle of copper sheet water stops are arranged, the periphery is continuously outwards expanded by the other section of width, and a circle of rubber water stops are further arranged;
step 2, pouring gate wall concrete to the top elevation of the bottom plate of the fishway;
step 3, installing a fishway inner plugboard mechanism and side walls: the flashboard mechanism comprises a fishway inner flashboard A and a fishway inner flashboard B, and a template of the side wall is arranged after the flashboard mechanism is arranged;
step 4, continuously pouring the gate wall concrete from the position in the step 2 to the top of the side wall of the ecological fishway, and then further pouring the gate wall concrete to the top plate bottom elevation of the fishway;
step 5, installing the precast concrete slab at the top of the ecological fishway to the top plate;
and 6, pouring concrete on the upper gate wall of the ecological fishway: and pouring the top plate top gate wall concrete to the gate wall design top elevation.
In the step 1, the periphery of the ecological fishway at the structural joint of two adjacent sections of gate walls is outwards expanded by 0.2-0.3 m, a circle of copper sheet water stop belts are arranged, the periphery is outwards expanded continuously by 0.4-0.6 m, and a circle of rubber water stop belts are further arranged.
The roof in step 5 is reinforced concrete slab, and monolithic board length 3m, width 2.5m, thick 0.2m, and the individual layer reinforcing bar net is arranged to the bottom, and protective layer thickness 5cm, the reinforcing bar that arranges along width direction stretches out face 0.65m, adopts the ligature to be connected with the reinforcing bar in the side wall.
An ecological fishway structure of inland river lock, its characterized in that: the ecological fishway comprises a plurality of structural sections arranged in the lock walls of the ship locks, and the joints of the structural sections are positioned at the structural joints of the lock walls of the adjacent two sections and are connected through a water stop belt mechanism; the structure section comprises a fishway inner cavity and a plurality of groups of inner plugboard mechanisms connected with the fishway inner cavity, wherein the fishway inner cavity is a cavity formed by surrounding a bottom plate, side walls and a top plate, the inner plugboard mechanism comprises a fishway inner plugboard A and a fishway inner plugboard B which are respectively connected with side walls on two sides, the fishway inner plugboard A is arranged at the downstream of the fishway inner plugboard B, a passage convenient for fish migration is arranged between the two ends of the fishway inner plugboard A, the water stop mechanism comprises a copper sheet water stop and a rubber water stop, the periphery of the ecological fishway at the structural joint of two adjacent sections of gate walls is outwards expanded by one section of width, a circle of copper sheet water stop is arranged, the periphery of the ecological fishway is continuously outwards expanded by another section of width, and a circle of the rubber water stop is further arranged.
The fishway inner plugboard B is a section of straight board connected to the side wall, the end part of the fishway inner plugboard B is arc-shaped, the fishway inner plugboard A is an L-shaped board connected to the wall at the other side, the hook part faces downstream, the end parts of the fishway inner plugboard B are arc-shaped, the adjacent edges of the two plugboards are positioned on the same horizontal line, and the width of a passageway formed between the arc-shaped end parts of the fishway inner plugboard B and the fishway inner plugboard A is 0.3-0.6 m.
4-5 groups of inner plugboard mechanisms are arranged on each structural section, and the interval between each group is 3-4 m.
And the bottom plate, the side walls, the fishway inner plugboard A and the fishway inner plugboard B are poured together with the lock wall concrete of the ship lock, and the top plate is a precast reinforced concrete plate.
The ecological fishways at the structural joints of two adjacent sections of gate walls are outwards expanded by 0.2-0.3 m, a circle of copper sheet water stops are arranged, the periphery is outwards expanded continuously by 0.4-0.6 m, and a circle of rubber water stops are further arranged.
According to the invention, the ecological fishway is arranged in the lock wall structure of the ship lock, the lock wall structure is used as a carrier of the fishway, so that the occupied area of the ecological fishway is reduced, the migration requirement of fishes in the river can be met, and meanwhile, the construction cost of the fishway is reduced; by adopting the mode of combining the cast-in-situ side wall and the prefabricated top plate to construct the ecological fishway, the problems of narrow space inside the ecological fishway and high difficulty in erecting and dismantling the bracket are solved.
Drawings
FIG. 1 is a perspective view of an ecological fishway of the invention;
FIG. 2 is a three-dimensional horizontal cross-sectional view of the ecological fishway of the invention;
FIG. 3 is a plan view of an ecological fishway of the invention;
FIG. 4 is a cross-sectional view of an ecological fishway of the invention;
fig. 5 is a block diagram of the water stop mechanism of the present invention.
In the figure: the ecological fishway comprises an ecological fishway 1, a bottom plate 1-1, side walls 1-2, fishway inner inserting plates A1-3, fishway inner inserting plates B1-4, a top plate 1-5, a gate wall 2, a structural joint 3, a copper sheet water stop 3-1 and a rubber water stop 3-2.
Detailed Description
Example 1
As shown in fig. 1, an ecological fishway structure of an inland river lock, wherein the ecological fishway 1 comprises a plurality of structural sections arranged in lock walls 2, and the joints of the structural sections are positioned at structural joints 3 of two adjacent lock walls 2 and are connected through a water stop mechanism; as shown in fig. 2, the structural section comprises a fishway inner cavity and a plurality of groups of inner plugboard mechanisms connected with the fishway inner cavity, as shown in fig. 4, the fishway inner cavity is a cavity formed by surrounding a bottom plate 1-1, side walls 1-2 and a top plate 1-5, as shown in fig. 3, the inner plugboard mechanism comprises a fishway inner plugboard A1-3 and a fishway inner plugboard B1-4 which are respectively connected with the side walls 1-2, the fishway inner plugboard A1-3 is arranged at the downstream of the fishway inner plugboard B1-4, a passageway for facilitating migration of fish is arranged between the two ends, and the migration direction is shown by an arrow in fig. 3. As shown in FIG. 5, the water stop mechanism comprises copper sheet water stops 3-1 and rubber water stops 3-2, wherein the periphery of the ecological fishway 1 at the structural joint 3 of two adjacent sections of gate walls 2 is outwards expanded by one section of width, one circle of copper sheet water stops 3-1 is arranged, the periphery is outwards expanded by another section of width continuously, and one circle of rubber water stops 3-2 is arranged.
The fishway inner plugboard B1-4 is a section of straight board connected to the side wall 1-2, the end part of the fishway inner plugboard is arc-shaped, the fishway inner plugboard A1-3 is an L-shaped board connected to the other side wall 1-2, the hook part faces downstream, the end part of the fishway inner plugboard is arc-shaped, the adjacent edges of the two plugboards are positioned on the same horizontal line, and the aisle width W formed between the arc-shaped end parts of the two plugboards is 0.3-0.6 m.
4-5 groups of inner plugboard mechanisms are arranged on each structural section, and the interval between each group is 3-4 m.
The bottom plate 1-1, the side walls 1-2, the fishway insert plates A1-3 and the fishway insert plates B1-4 are all cast simultaneously with the concrete of the lock wall 2, and the top plate 1-5 is a precast reinforced concrete plate.
The ecological fishway 1 at the structural joint 3 of the two adjacent sections of gate walls 2 is outwards expanded by 0.2-0.3 m, a circle of copper sheet water stop 3-1 is arranged, the periphery is outwards expanded continuously by 0.4-0.5 m, and a circle of rubber water stop 3-2 is arranged.
Example 2
By using the construction method of the ecological fishway structure of the inland river lock in the embodiment 1, the ecological fishway 1 is divided into a plurality of structural sections and is arranged in the lock wall 2, the joints of the structural sections are positioned at the structural joints 3 of the lock walls 2 of two adjacent sections and are connected through a water stop mechanism, and the specific construction method comprises the following steps:
step 1, mounting a water stop mechanism at the position of a structural joint 3: the water stop mechanism comprises copper sheet water stops 3-1 and rubber water stops 3-2, wherein the periphery of an ecological fishway 1 at a structural joint 3 of two adjacent sections of gate walls 2 is outwards expanded by one section of width, one circle of copper sheet water stops 3-1 are arranged, the periphery is continuously outwards expanded by the other section of width, and one circle of rubber water stops 3-2 are arranged;
step 2, pouring the concrete of the gate wall 2 to the top elevation of the bottom plate 1-1 of the fishway;
step 3, installing a fishway inner plugboard mechanism and side walls: the flashboard mechanism comprises a fishway inner flashboard A1-3 and a fishway inner flashboard B1-4, and a template of the side wall 1-2 is arranged after the flashboard mechanism is arranged;
step 4, continuously pouring the concrete of the gate wall 2 to the top of the side wall 1-2 of the ecological fishway 1 from the position of the step 2, and then further pouring the concrete of the gate wall 2 to the top plate 1-5 bottom elevation of the fishway;
step 5, installing the precast concrete slab at the top of the ecological fishway 1 to the position of the top plate 1-5;
and 6, pouring the concrete of the upper gate wall of the ecological fishway 1: and pouring concrete on the top gate wall 2 of the top plates 1-5 to the designed top elevation of the gate wall.
In the step 1, the periphery of the ecological fishway 1 at the structural joint 3 of the two adjacent sections of gate walls 2 is outwards expanded by 0.2-0.3 m, a circle of copper sheet water stop strips 3-1 are arranged, the periphery is outwards expanded continuously by 0.4-0.6 m, and a circle of rubber water stop strips 3-2 are arranged.
The top plate 1-5 in the step 5 is a reinforced concrete plate, the length of the single plate is 3m, the width of the single plate is 2.5m, the thickness of the single plate is 0.2m, a single-layer reinforcing steel mesh is arranged at the bottom, the thickness of the protective layer is 5cm, and reinforcing steel bars arranged along the width direction extend out of the plate surface by 0.65m and are connected with reinforcing steel bars in the side wall 1-2 in a binding manner.
Claims (8)
1. A construction method of an ecological fishway structure of an inland river ship lock is characterized by comprising the following steps: the ecological fishway (1) is divided into a plurality of structural sections to be arranged in the lock walls (2), the joints of the structural sections are positioned at the structural joints (3) of the lock walls (2) of two adjacent sections and are connected through a water stop belt mechanism, and the concrete construction method comprises the following steps:
step 1, mounting a water stop mechanism at a structural joint (3): the water stop mechanism comprises copper sheet water stops (3-1) and rubber water stops (3-2), wherein the periphery of an ecological fishway (1) at a structural joint (3) of two adjacent gate walls (2) is outwards expanded by one section of width, one circle of copper sheet water stops (3-1) are arranged, the periphery is continuously outwards expanded by the other section of width, and one circle of rubber water stops (3-2) are arranged;
step 2, pouring the concrete of the gate wall (2) to the top elevation of the bottom plate (1-1) of the fishway;
step 3, installing a fishway inner plugboard mechanism and side walls: the flashboard mechanism comprises a fishway inner flashboard A (1-3) and a fishway inner flashboard B (1-4), and a template of the side wall (1-2) is arranged after the flashboard mechanism is arranged;
step 4, continuously pouring the concrete of the gate wall (2) to the top of the side wall (1-2) of the ecological fishway (1) from the position of the step 2, and then further pouring the concrete of the gate wall (2) to the bottom elevation of the top plate (1-5) of the fishway;
step 5, installing the precast concrete slab at the top of the ecological fishway (1) to the top plate (1-5);
and 6, pouring concrete on the upper gate wall of the ecological fishway (1): and pouring concrete on the top gate wall (2) of the top plate (1-5) to the designed top elevation of the gate wall.
2. The construction method of the ecological fishway structure of the inland river lock according to claim 1, wherein in the step 1, the periphery of the ecological fishway (1) at the structural joint (3) of two adjacent lock walls (2) is outwards expanded by 0.2-0.3 m, a week copper sheet water stop (3-1) is arranged, the periphery is outwards expanded continuously by 0.4-0.6 m, and a week rubber water stop (3-2) is further arranged.
3. The construction method of the ecological fishway structure of the inland river lock according to claim 1, wherein the top plate (1-5) in the step 5 is a reinforced concrete plate, the length of a single plate is 3m, the width of the single plate is 2.5m, the thickness of the single plate is 0.2m, a single-layer reinforcing steel bar net is arranged at the bottom, the thickness of the protective layer is 5cm, the reinforcing steel bars arranged along the width direction extend out of the plate surface by 0.65m, and the reinforcing steel bars are connected with the reinforcing steel bars in the side walls (1-2) in a binding manner.
4. An ecological fishway structure of inland river lock, its characterized in that: the ecological fishway (1) comprises a plurality of structural sections arranged in the lock walls (2), and the joints of the structural sections are positioned at the structural joints (3) of two adjacent lock walls (2) and are connected through a water stop mechanism; the structure section comprises a fishway inner cavity and a plurality of groups of inner plugboard mechanisms connected with the fishway inner cavity, the fishway inner cavity is a cavity formed by surrounding a bottom plate (1-1), side walls (1-2) and a top plate (1-5), the inner plugboard mechanism comprises a fishway inner plugboard A (1-3) and a fishway inner plugboard B (1-4) which are respectively connected with the side walls (1-2), the fishway inner plugboard A (1-3) is arranged at the downstream of the fishway inner plugboard B (1-4), a passage for fish migration is arranged between the two ends, the water stop mechanism comprises copper sheet water stops (3-1) and rubber water stops (3-2), the periphery of the ecological fishway (1) at the structural joint (3) of each two adjacent sections of gate walls (2) is outwards expanded by one section of width, one circle of the copper sheet water stops (3-1) is arranged, the periphery of the ecological fishway is continuously outwards expanded by another section of width, and one circle of the rubber water stops (3-2) are arranged.
5. The inland river lock ecological fishway structure of claim 4, wherein: the fishway inner plugboard B (1-4) is a section of straight board connected to the side wall (1-2), the end part of the fishway inner plugboard B is arc-shaped, the fishway inner plugboard A (1-3) is an L-shaped board connected to the other side wall (1-2), the hook part faces downstream, the end part of the fishway inner plugboard B is arc-shaped, the adjacent edges of the two plugboards are positioned on the same horizontal line, and the aisle width (W) formed between the arc-shaped end parts of the two plugboards is 0.3-0.6 m.
6. An inland river lock ecological fishway structure as claimed in claim 4 or 5, wherein: 4-5 groups of inner plugboard mechanisms are arranged on each structural section, and the interval between each group is 3-4 m.
7. An inland river lock ecological fishway structure as claimed in claim 4 or 5, wherein: the bottom plate (1-1), the side walls (1-2), the fishway inner plugboard A (1-3) and the fishway inner plugboard B (1-4) are all cast simultaneously with the concrete of the lock wall (2), and the top plate (1-5) is a precast reinforced concrete plate.
8. An inland river lock ecological fishway structure as claimed in claim 4 or 5, wherein: the ecological fishway (1) at the structural joint (3) of the two adjacent sections of gate walls (2) is outwards expanded by 0.2-0.3 m, a circle of copper sheet water stop belts (3-1) are arranged, the periphery of the ecological fishway is outwards expanded by 0.4-0.6 m, and a circle of rubber water stop belts (3-2) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311390988.2A CN117144862B (en) | 2023-10-25 | 2023-10-25 | Construction method of ecological fishway structure of inland river ship lock |
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| CN202311390988.2A CN117144862B (en) | 2023-10-25 | 2023-10-25 | Construction method of ecological fishway structure of inland river ship lock |
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| CN117144862A true CN117144862A (en) | 2023-12-01 |
| CN117144862B CN117144862B (en) | 2024-03-08 |
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| CN111042075A (en) * | 2019-12-06 | 2020-04-21 | 中国电建集团华东勘测设计研究院有限公司 | Assembled fishway and construction method |
| CN111074872A (en) * | 2020-01-10 | 2020-04-28 | 扬州大学 | Multifunctional ship lock combined with fishway and operation method thereof |
| CN111749211A (en) * | 2020-07-13 | 2020-10-09 | 中国三峡建设管理有限公司 | A gate pier for fishway is surveyd |
| CN116464004A (en) * | 2023-05-04 | 2023-07-21 | 四川水发勘测设计研究有限公司 | Flood discharge canal and fishway combined system |
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| CN117144862B (en) | 2024-03-08 |
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