816results about "Hydraulic engineering apparatus" patented technology

The invention relates to an intelligent regulation and control system for multi-phase conversion of water quality of a gate-controlled river reach, in particular to the field of water treatment, and realizes accurate dynamic perception of the multi-phase conversion process of the water quality of the gate-controlled river reach by constructing a high-fidelity digital twinborn body and fusing a real-time data assimilation technology; by means of a time-space diagram neural network agent model based on an attention mechanism, the system can predict a complex time-space pattern of pollutant concentration field and phase evolution under different regulation and control strategies in an ultra-fast manner; on the basis, a multi-agent reinforcement learning algorithm is adopted to automatically generate a globally optimal gate group coordinated regulation scheme, and multiple targets of water quality improvement, ecological protection, engineering operation and the like are effectively coordinated; and finally, a theoretical strategy is reliably converted into a physical action through rolling optimization and a closed-loop execution mechanism, and adaptive adjustment can be performed according to environmental feedback, so that the emergency response speed of sudden water pollution events, the scientificity of regulation and control decision and the intelligent level of water quality management of the whole river network are comprehensively improved.

A leaching and desalinating system for sandy soil in estuarine land reclaimed by sand blowing before planting greenery is provided. The leaching and desalinating system comprises a water pump and pipe assembly, a freshwater storage tank and a main diverting and draining channel. The water pump and pipe assembly lifts freshwater from a river to the freshwater storage tank through a water delivery pipe, multiple infiltration parts in which greenery is planted are provided on the waterside slope, the infiltration parts are connected to each other via multiple drainage infiltration channels. The present disclosure can quickly desalinate the sandy soil in land reclaimed by sand blowing at a low cost, improve the physicochemical properties of the soil, and provide a basic guarantee for the subsequent greenery planting on the sandy soil in land reclaimed by sand blowing.

The invention discloses a backwater side seepage drainage and pressure reduction anti-seepage method based on a built sandy soil embankment foundation, and relates to the field of hydraulic engineering embankment seepage control. The technical problems that in existing sandy soil embankment foundation seepage drainage design, due to dynamic change of soil layer permeability, the drainage effect is poor, and slope stability is difficult to guarantee are solved. The method comprises the following steps: establishing a seepage field model through a three-stage hydraulic fracture test, and measuring a permeability coefficient, critical pressure and a failure criterion; the groove is dynamically excavated in three stages, the excavation depth and the slope gradient are corrected in real time according to actually measured data, and the shape of the groove is verified through a model; and finally, laying an inverted filter layer, a drainage body and an anti-scouring layer, wherein the permeability coefficient of the inverted filter layer and the aperture ratio of the drainage body are dynamically adjusted according to actually measured data. According to the method, accurate control over seepage drainage and pressure reduction of the sandy soil embankment foundation is achieved through dynamic coupling of testing, construction and a numerical model, and the method is mainly used for seepage treatment of the backwater side of a built embankment and slope stabilization and reinforcement.

The invention discloses a permeable hinged type ecological slope protection structure for sheltering benthonic animals in a canal. The permeable hinged type ecological slope protection structure is formed by distributing a plurality of slope protection blocks on a bank slope in an array mode. The slope protection block body is of an integrated structure and comprises an upper halfpace section and a lower rectangular enclosure frame section. An inner cavity of the slope protection block body is formed by a space enclosed by the lower rectangular enclosure frame section and a halfpace-shaped cavity in the upper halfpace section; lateral channels communicating with the inner cavity are formed in the left side and the right side of the slope protection block body, and the lateral channels on the two sides directly face each other. Through holes communicated with the inner cavity are formed in the top surface, the front side surface and the rear side surface of the upper halfpace section; the front side and the rear side of the lower rectangular enclosure frame section are respectively provided with a linkage hinge bayonet and a linkage hinge clamping block which are matched with each other; an induction adhesion layer is arranged on the top surface of the upper halfpace section; in the shoreline direction, the lateral channels of the adjacent slope protection block bodies are aligned and communicated; the adjacent slope protection blocks are clamped and matched in the direction perpendicular to the shoreline. According to the method, a relatively stable near-bottom shielding and slow-flow sheltering space can be formed, and habitat communication and attachment induction interface construction are considered.

The invention discloses a cascade reservoir flood control water level combined application scheduling method and scheduling system, and relates to the technical field of cascade reservoir scheduling, and the method comprises the following steps: dividing into a plurality of sub-regions according to an administrative region, determining a sub-reservoir corresponding to each sub-region, and collecting the rainfall and historical flood discharge data; analyzing the water storage capacity of each sub-region at the moment corresponding to the historical data to form a training data set; constructing a flood season flood discharge prediction model, and obtaining the target flood discharge flowing into the sub-reservoir by using the prediction model; analyzing the water level change in the flood season according to the target flood discharge amount, and judging whether scheduling is needed; and if scheduling is needed, determining a drainage flow combination of each sub-reservoir, setting a constraint condition, and performing optimization through a multi-target genetic algorithm to obtain an optimal drainage flow scheme meeting constraints. According to the scheme, the scientificity, the accuracy and the intelligent level of combined dispatching of the cascade reservoirs are remarkably improved.

The present invention discloses a double-layer overpass fishway structure, belonging to the field of fishway design in water conservancy projects. The double-layer overpass design enables an upper overflow and a lower submerged flow. The water flow structure within the pool chamber is diverse and can adapt to different water depths, creating favorable hydraulic conditions for fish with different preferences. The double-layer overpass fishway comprises: a trumpet-shaped inlet section, a hump-shaped weir transition section, a double-layer overpass pool section (including a lower disc-shaped channel section and an upper overflow section), and a resting pool section. The hump weir section divides the pool chamber into an upper overflow area and a lower submerged outflow area. The formation of the upper overflow area draws jumping fish into the upper overflow weir section, while the lower submerged flow area is used to attract bottom-dwelling fish and allow them to smoothly swim upstream through the disc-shaped channel section. The arrangement of the resting pool section creates a low-flow zone to allow fish to recover their strength, thereby allowing them to successfully complete their upstream migration and ensure the stability of the river ecosystem.

The invention discloses a construction technology for a prefabricated drainage box culvert steel formwork, and is suitable for the technical field of box culvert formwork construction. The drainage box culvert steel formwork system comprises the construction steps of construction preparation, installation of a pedestal and an inner formwork support, installation of a box culvert foundation, installation of an inner formwork assembly, installation of a formwork assembly, one-time pouring forming, formwork removal after pouring and transferring. The construction site regionalization layout is adopted, a box culvert steel bar binding area and a formwork installation transverse moving area with an adjustable inner formwork support are arranged, the circulating operation of formwork erecting, pouring, demolding and transferring is achieved through a main beam suspension type inner formwork assembly, and a hydraulic formwork collecting device is innovatively adopted for driving a symmetrical hinged type inner formwork system; and in combination with the symmetry and multi-point uniform stress characteristics of a plurality of auxiliary supporting devices, the bending deformation of the inner template is effectively controlled through sequential control of a layered equal-height high-speed pouring process with preferential base angles.

The invention discloses a multifunctional water retaining device for water conservancy construction, and relates to the technical field of water conservancy projects, the multifunctional water retaining device comprises a base and a first water retaining plate fixed at the top end of the base, a plurality of ground nails are arranged at the bottom end of the base, a self-adjusting assembly and a buffering assembly are arranged in the first water retaining plate, and the buffering assembly is located below the self-adjusting assembly; the self-adjusting assembly comprises an open groove formed in the first water baffle, and a second water baffle is installed in the open groove in a sliding mode. The situation that the height of a traditional water baffle is fixed and cannot be automatically adjusted according to the change of the water level, so that when the water level is higher than the water baffle, the water overflows from the top of the water baffle, and equipment and materials are damaged can be avoided, meanwhile, manual intervention can be reduced, the psychological pressure of constructors can be relieved, the working intensity is reduced, and in an emergency, the construction efficiency is improved. And workers can timely evacuate or take corresponding protection measures, so that the safety can be effectively improved.

The invention provides a slope seepage analysis method under a flood discharge atomization condition. The slope seepage analysis method comprises the following steps: S1, acquiring slope pore water pressure data and matrix suction data through a distributed sensor array; s2, the data fusion unit compares the pore water pressure data with a dynamic critical pressure threshold value, compares the matric suction data with a dynamic critical suction threshold value, and generates a seepage analysis trigger instruction when any data exceeds the limit; s3, starting a transient seepage field calculation model by the seepage calculation engine based on the fracture network topology data; s4, generating a slope stability control parameter set according to a seepage pressure distribution diagram output by the transient seepage field calculation model; and S5, the execution system regulates and controls the operation state of the drainage facility according to the slope stability control parameter set. The slope seepage pressure can be reduced, the slope stability is improved, and safe operation of a water conservancy project is guaranteed.

The utility model relates to the field of water conservancy equipment, and discloses intelligent icing protection equipment for a water conservancy gate, the intelligent icing protection equipment comprises a water conservancy gate frame, a gate plate is arranged in the water conservancy gate frame, two limiting grooves are symmetrically formed in the inner side wall of the water conservancy gate frame, and the side of the gate plate extends into the limiting grooves; an installation plate is fixedly installed on one side of the flashboard, an electric heating piece is started to heat the flashboard, the flashboard is prevented from being frozen to the maximum degree, and if the external temperature continuously drops and the front side of the flashboard is still frozen, an electric push rod will push an ice breaking base and an ice breaking rod to move downwards; according to the device, the intelligent anti-icing effect of the flashboard can be achieved, ice blocks formed in front of the flashboard can be broken through vertical movement of the ice breaking base and the ice breaking rod, and stable operation and normal function exertion of water conservancy facilities in the low-temperature environment are guaranteed.

The invention relates to the technical field of data processing, and discloses a hydropower station fish gathering system inlet flow field adaptability optimization method and system. The method comprises the following steps: grading target fishes according to swimming speed and body length, setting a flow velocity adaptation threshold value, monitoring a flow field through an acoustic Doppler current meter, fusing data by using a Kalman filtering algorithm, calculating a fish rheotaxis index, and carrying out matching analysis to evaluate the adaptability of the flow field, according to the evaluation result, the flow guide pier and the microbubble curtain are controlled to conduct multi-stage linkage regulation and control, and a fuzzy PID control algorithm is adopted to achieve self-adaptive flow field control with the fish hydrotaxis index as a feedback signal. The problem that flow field optimization lacks fish behavior response feedback and multi-device coordination control in the prior art is solved, and the biological adaptability and the regulation and control precision of the inlet flow field of the fish gathering system are improved.

A Taiji fishway structure includes fishway pool chamber units arranged sequentially along a water flow direction, each fishway pool chamber unit includes an curved side wall, an curved deflector, and a first longitudinal side wall, a fishway vertical partition plate, and a second longitudinal side wall provided on the same side of the fishway. A head end of the curved deflector of the i-th fishway pool chamber unit connects to a head end of the curved side wall in the (i+1)th fishway pool chamber unit, and forms a fish passage vertical slot that matches target fish body size with an end of the fishway vertical partition plate in the (i+1)th fishway pool chamber unit, and water flow of the i-th fishway pool chamber unit is ejected toward the curved side wall in the (i+1)th fishway pool chamber unit through the fish passage vertical slot.

The invention discloses an underwater detection system and method for a hydraulic structure, belongs to the field of underwater detection systems for hydraulic structures, and adopts fractal tree-shaped path planning to realize double-optimal solutions of detection efficiency and precision, namely a fractal algorithm based on a self-similar growth rule of fern leaves. A tree-shaped path is recursively generated by taking an initial detection point as a root node, a main branch can quickly cover a detection surface area to form a macroscopic skeleton path, a sub-branch dynamically adjusts the extension direction according to coordinates of key parts, the coverage rate of a curvature mutation area is improved, a detection blind area of a traditional fixed route is effectively eliminated, and the detection efficiency is improved. Through innovative combination of a bionic fractal algorithm, multi-source data intelligent fusion and dynamic feedback control, the problem of a one-cut detection strategy in traditional hydraulic underwater detection is systematically solved, and an efficient, accurate and intelligent technical scheme is provided for structural safety monitoring in the fields of hydraulic engineering, ocean engineering and the like. And the method has remarkable engineering application value and economic benefit.

The invention relates to the technical field of image recognition, in particular to a disconnecting link opening and closing video image recognition system and method. The disconnecting link opening and closing video image recognition system comprises an image acquisition unit which is used for acquiring image data of a disconnecting link in real time in various environments. By adopting advanced image processing and mode recognition technologies and combining various image enhancement algorithms, high-precision recognition of the opening and closing states of the disconnecting link under complex illumination conditions and different visual angles can be achieved, meanwhile, the system has the real-time image processing capacity, response can be made in time when the state change of the disconnecting link is detected, and the detection accuracy of the disconnecting link is improved. By means of the system, potential safety hazards can be quickly found and processed by operators, the safety performance of the system is enhanced, and in addition, the system not only provides real-time identification results, but also can store and analyze historical data, presents the operation condition of the disconnecting link in a data report form, and supports subsequent decision making.

The invention provides a digital twin hydraulic engineering operation and maintenance monitoring system and method based on multi-modal data, and belongs to the technical field of hydraulic engineering and digital twin. The method comprises the following steps: determining a plurality of sub-unit systems of a target water conservancy project to be monitored, and constructing a corresponding digital twin sub-model for each sub-unit system to obtain a digital twin engineering model of the target water conservancy project; acquiring multi-modal historical monitoring data related to the target water conservancy project; based on the multi-modal data, determining a construction environment of a digital twinborn model; mapping each digital twinning sub-model to a construction environment, and running a digital twinning engineering model; and acquiring multi-modal real-time monitoring data related to the target water conservancy project in real time, inputting the multi-modal real-time monitoring data into the digital twin engineering model, and performing operation and maintenance monitoring on the target water conservancy project. According to the method, the rigid-flexible container adaptive model is adopted, so that the cloud resource calling cost can be reduced while the visual operation and maintenance of the water conservancy project are realized and the monitoring efficiency and accuracy are improved.

The invention discloses a partition plate type fishway built on a floodplain, and relates to the technical field of fishways, the partition plate type fishway comprises a fishway and a movable cover plate, the fishway is a partition plate vertical seam type fishway, the movable cover plate is arranged at an opening in the upper end of the fishway, and the movable cover plate is detachably connected with the fishway. According to the partition plate type fishway built on the floodplain, fish migration can be achieved for a floodplain type river channel, and silt can be prevented from blocking the fishway when river water overflows the floodplain.

The invention relates to the technical field of pumped storage, and discloses a reservoir evaporation suppression device for a pumped storage power station, which detects the surface water temperature Ts and the deep water temperature Td in real time, forms a temperature difference delta T, and combines a preset temperature difference threshold value delta T0 as a starting judgment basis, so that the water temperature Ts and the deep water temperature Td are detected in real time, the temperature difference delta T is formed, and the water temperature Ts and the deep water temperature Td are started. It is ensured that the device only has significant temperature difference ([delta] Tgt; [Delta] T0) is started when evaporation is intensified. During starting, water flow introduced into the water inlet pipe can form upward flow, vertically uprush to the surface water body area and penetrate through the thermocline in the process, and during the process, low-temperature water in the deep water body area can be guided into the surface water body area due to the pressure difference effect, so that cross-layer heat exchange is achieved, and the water temperature of the surface water body area is reduced; water molecule kinetic energy is reduced from the physical level, surface water evaporation is remarkably reduced, surface water loss is reduced, the total amount of follow-up water supplementing is reduced, and then the water supplementing cost is reduced.

The invention relates to the field of river sluice freezing prevention, in particular to a river sluice bubble type anti-icing structure which comprises two sluice piers and a sluice gate assembly fixedly arranged between the two sluice piers, and a supporting plate capable of moving up and down is arranged between the two sluice piers. A plurality of anti-icing assemblies used for preventing the gate assembly from being frozen are arranged at the bottom of the supporting plate. When the gate assembly is subjected to freezing prevention, in the process that the aeration pipe is used for discharging a large number of bubbles for freezing prevention, surrounding type protection is formed on the aeration pipe through the two corresponding semicircular protection cylinders, and large-size impurities such as aquatic plants and floating garbage can be prevented from making contact with the aeration pipe; the anti-freezing effect is ensured; meanwhile, the cleaning frequency of the aeration pipe is reduced; meanwhile, a plurality of semicircular pile casings which are connected in a closed mode can be horizontally connected in series through the connecting pieces, a filtering barrier can be formed when the gate assembly drains water, floating objects such as aquatic plants and garbage are effectively blocked, and the gate is prevented from being blocked in the water draining process.

The invention belongs to the field of water conservancy projects, and particularly relates to a concrete dam body anti-icing air blowing structure which comprises a disc-shaped spiral air pipe, a plurality of spokes, an internal thread air cap, a turbulent flow component, a floating raft component and a reciprocating pneumatic device.The concrete dam body anti-icing air blowing structure adopts three core designs of disc-shaped spiral air pipe airflow optimization, multi-stage turbulent flow linkage and floating raft self-adaptive adjustment; a bubble curtain generated by the disc-shaped spiral air pipe bursts on the surface layer of the water body; meanwhile, the spoiler swings to disperse the water to multiple sides, and surface water flow movement is accelerated; vertical vortexes are generated in combination with movement of the water rolling wheels to promote heat exchange of upper and lower water layers and destroy an ice layer crystallization environment; the inhibition effect on ice layer crystallization is improved through multi-directional disturbance and heat exchange of the horizontal layer and the vertical layer; the problems of uneven airflow, insufficient disturbance, poor adaptability and the like in a traditional anti-icing technology are solved, and the efficient, energy-saving and long-service-life dam body anti-icing effect is achieved.

The invention provides an auxiliary structure for beach and shallow sea ecological restoration and a restoration system construction method, and belongs to the technical field of water conservancy projects for beach and shallow sea ecological restoration. The auxiliary structure comprises a combined type permeable submerged dike structure, a natural wave dissipation combined pile body and an oyster cultivation net-shaped structure. The combined type permeable submerged dike structure comprises hexagonal hollow prisms and isosceles trapezoid hollow prisms, the two prisms are of a staggered and stacked structure, and a natural shelter is provided for small marine organisms. The natural wave dissipation combined pile bodies penetrate through the combined type permeable submerged dike structure through the upper holes and the lower holes of the prisms, and the combined type permeable submerged dike structure is effectively supported and fixed. The oyster cultivation net-shaped structure is fixed to the natural wave dissipation combined pile body, and the design of the net-shaped structure meets the filter feeding environment of oyster cultivation. The repairing system is correspondingly designed based on an auxiliary structure and a field environment. The structure is simple, raw materials are easy to obtain, the protection engineering and the oyster reef body are organically combined, ecological environmental protection is achieved, and follow-up manual treatment is not needed.

The present invention discloses a tough protection device for embankments for preventing the impact of ice and floods, which relates to the technical field of water conservancy projects and includes: an embankment body, which is laid on both sides of the river bank parallel to the flow direction of the flood; a slope protection, which is laid on the surface of the embankment body, and an anti-seepage body for lowering the water level is also provided inside the embankment body; a wave-breaking wall, which is arranged on the top of the embankment body; protection components, which are arranged in multiple groups and fixedly laid on the slope protection on the water side of the embankment body; protection plates, which are arranged in multiple groups and fixedly set on two adjacent protection components; an ice-breaking component, which is arranged between the protection components, and the ice-breaking component passes through the gap between the protection plates toward the river channel; an arresting cable, one end of which is fixed to the bottom end of the protection component, and the other end can pass through the protection component and extend into the river channel.

The invention relates to the technical field of agricultural water conservancy control, in particular to a high-standard farmland intelligent irrigation and drainage pump gate cooperative remote control method and system, and the method comprises the steps: generating a cooperative control instruction which restrains the power of a water pump and the opening and closing of a gate at the same time based on farmland water level information; establishing a conflict relationship between the response delay time of the water pump and the action delay time of the gate, and disassembling the cooperative control instruction into control sub-instructions for the water pump and the gate; when the soil under-saturation signal is continuously detected, the distribution adjustment control sub-instruction adjusts the output power of a water pump and controls the opening degree of an irrigation gate; when the water level overrun signal is continuously detected, the control sub-instruction is adjusted to control the opening degree of the drainage gate, and the output power of the water pump is reversely adjusted based on a backwater shock wave model triggered by the gate opening degree; the farmland water level information is detected in real time, and a cooperative control instruction is reconstructed. According to the invention, the problem of water level oscillation caused by misalignment of cooperative control of the water pump and the gate due to response time delay difference is effectively solved.

The invention provides a debris flow geological disaster prevention and control device, system and method. The debris flow geological disaster prevention and control device comprises a base, a connecting base and a supporting beam, a fixed interception dam and an interception dam located on one side of the fixed interception dam are connected through the supporting beam, and the end face, away from a hydraulic cylinder, of a movable interception dam is fixedly installed on the end face of the fixed interception dam; the movable interception dam is made of a flexible material, and a double-layer prevention and treatment net is fixedly mounted on the movable interception dam; the inlet end of the overflow assembly is located between the movable interception dam and the prevention and control net. The outlet end of the overflow assembly penetrates through the fixed intercepting dam, and a spray head of the overflow assembly extends out of the fixed intercepting dam. The debris flow solid weight is obtained, the specific numerical value of the debris flow solid weight is obtained, the debris flow property is judged according to the debris flow solid weight content, then the prevention and treatment device is designed according to the debris flow property, and the overall protection and interception capacity of the prevention and treatment device is improved.

The invention relates to the field of hydropower stations, in particular to a hydropower station reservoir area fishway outlet structure and a fishway fish passing method, the hydropower station reservoir area fishway outlet structure adapts to the scene with the large reservoir area water level change amplitude and is more compact in structure, the hydropower station reservoir area fishway outlet structure comprises a fishway section, a fish lifting machine and a gate, and the position of the upstream of the fishway section is higher than the position of the downstream of the fishway section; the gate and the fish lifting machine are arranged on the upstream of the fishway section and comprise a flat slope section, the flat slope section is arranged between the fishway section and the fish lifting machine, the bottom face of the flat slope section is horizontally arranged, an inlet of the flat slope section is communicated with the fishway section, and a water inlet gate is arranged at an outlet of the flat slope section. The system is particularly suitable for hydropower stations with large reservoir area water level variation amplitude and limited fishway arrangement space.

The invention discloses a water channel flooding leakage detection device and a construction repair method, and belongs to the technical field of leakage repair construction. Comprising a detection leaking stoppage vehicle, the detection leaking stoppage vehicle is connected with a charging barrel and a feeding pipe, and the charging barrel is communicated with the feeding pipe; a grouting head is further included, a connecting cylinder is fixedly connected to the top of the grouting head, a first air bag is connected to the connecting cylinder, and a second air bag is fixedly connected to the grouting head; the material conveying pipe is fixedly connected into the connecting cylinder, and the material conveying pipe communicates with the grouting head; the shooting device is fixedly connected to the grouting head; the exhaust pipe is fixedly connected to the grouting head; according to the device, the humidity in the drill hole is detected in a layered manner, and the specific humidity condition in the drill hole can be analyzed and judged by comparing and analyzing the humidity signal, so that a worker can conveniently infiltrate repairing agents with different concentrations, and the leakage rate of the drill hole is improved by infiltrating the repairing agents with different concentrations into the drill holes at different leakage points. The plugging effect of the repairing agent on the leakage position in the drill hole can be guaranteed, and the cost is effectively controlled.

The present invention discloses an anti-siltation and anti-impact water-dividing structure for the intersection of a karst tunnel and an underground river. The structure utilizes an upstream water-dividing weir, a downstream force-dissipating weir, a porous box culvert-type V-shaped inverted siphon water pipe and an open overflow channel, so that the karst tunnel structure divides the underground river intersecting therewith into upper and lower water-passing sections; the lower water-passing section is a porous box culvert-type V-shaped inverted siphon water pipe, and the upper water-passing section is an open overflow channel. The water-dividing structure of the present invention diverts the underground river through the karst tunnel according to the dry season and the flood season. The buried depth of the V-shaped inverted siphon hole water pipe is shallow, and there is no need to adjust the water flow gradient of the underground river. In addition, the V-shaped inverted siphon hole water pipe solves the problem of siltation on the upstream side of the lining structure of the upstream karst tunnel. At the same time, the water-dividing weir reduces the impact load of the water flow on the lining structure during the flood season, so that the upper and lower diverted water loads achieve a certain degree of balance.

The invention provides a crab embankment passing channel and an operation and maintenance method. The crab embankment passing channel comprises a box culvert section, an inlet section and an outlet section. The box culvert section penetrates through the dike body. The inlet section is connected with one end of the box culvert section and communicated with the outer beach. The outlet section is connected with the other end of the box culvert section and communicated with the inner beach, and the dike body is located between the outer beach and the inner beach. The crab migration channel solves the problem that water in an existing crab migration channel is easy to evaporate and dissipate.

This invention relates to the field of water conservancy and hydropower ecological protection technology, and in particular to a fish passage system with both autonomous and auxiliary fish passage functions, comprising a base and a fish passage assembly; a vertical pier is provided on the base; a temporary storage tray is provided on the upper part of the pier; the upper part of the fish passage assembly is mounted on the outer circumference of the temporary storage tray via a hinge structure; a driving mechanism is provided on the pier for driving the fish passage assembly to rotate around the pin of the hinge structure; the fish passage assembly includes a first square tube and a second square tube; a fish lifting mechanism is provided in the first square tube for vertically lifting fish into the temporary storage tray; multiple pairs of fish passage baffles are arranged at intervals from top to bottom in the second square tube to form a vertical slot fish passage; a water pump is provided on the pier for replenishing water to the temporary storage tray and the second square tube; and a discharge pipe is connected to the bottom of the temporary storage tray.

The whole reservoir anti-seepage reservoir of the pumped storage power station comprises a seepage control structure, a drainage collection system and a seepage monitoring system, the seepage control structure comprises a reservoir bottom seepage control structure and a reservoir bank seepage control structure, and the reservoir bottom seepage control structure comprises a geomembrane, a broken stone hardcore, a reservoir bottom transition layer, a geotechnical mat and geotechnical cloth; the reservoir bank seepage control structure comprises a geomembrane, a reservoir bank cushion layer, high-strength woven geotechnical cloth and a wave wall. On the basis of the characteristics of deformation and the like of different areas of the reservoir basin, adaptive seepage control types are designed and combined to form a complete full-reservoir-basin seepage control structure, seepage pressure value information of monitoring points is collected in real time through the seepage monitoring system, and the seepage pressure value information of the monitoring points is acquired in real time. And a leakage point position judgment method is provided to determine a local leakage point area.

The invention discloses an anti-bed load impact wear concrete bottom plate rigidity gradient structure and a construction method thereof, which are used for protecting a hydraulic structure bottom plate from impact wear damage and improving the ability of concrete to resist bed load impact wear damage. Aiming at the acting force characteristics of suspended load and bed load at the bottom plate part, a three-layer composite design (a surface layer, a middle layer and a bottom layer) is adopted to form an integral rigidity gradient structure of the anti-bed load impact wear concrete bottom plate. The structure can effectively improve the bed load abrasion resistance of the bottom plate of the hydraulic structure. According to the rigidity gradient structure of the anti-bed load abrasion concrete bottom plate and the construction method of the rigidity gradient structure, the impact energy of rolling block stones can be effectively absorbed, the surface hardness of the concrete bottom plate is guaranteed, the anti-bed load abrasion capacity of the concrete bottom plate is remarkably improved, and the service life is prolonged; the concrete is suitable for construction of anti-abrasion concrete bottom plates of buildings and hydraulic concrete structures with the requirement for resisting abrasion of high-speed water flow.