451results about "Stream regulation" patented technology

The invention provides a control node locating protecting method of undercutting channel segment water level lowering amplitude. The method comprises the steps that a lateral erosion zone and a deep erosion zone are divided; a target channel section is subjected to meshing, a plane two-dimension water flow mathematic model is established, parameter calibration and verification are carried out; a protection project is generalized to the plane two-dimension water flow mathematic model, the arranging zone and the width of the protecting project are determined; local gradient amplification and upstream water level amplification corresponding to each working condition are obtained, mesh sequences are analyzed respectively; key nodes or other nodes which have obvious influence are selected, for lateral erosion nodes, a hidden closure dam and a beach protection part are arranged on a river branch or a bottomland, and for deep erosion nodes, a bottom protecting band or a hidden closure dam are placed in a main groove. According to the method, nodes are divided into the lateral erosion nodes and the deep erosion nodes, protection part difference of the nodes in different types is provided, by comparing the efficiency of a local channel segment arranging protecting project, the positions of the nodes are accurately located, and the optimum efficiency of the protecting project is guaranteed powerfully.

A method for reducing the danger of a dammed lake formed by a debris flow blocking a river, comprising: first predicting the accumulation range of a river-blocking debris dam during occurrence of a debris flow, dividing a river boundary into multiple areas on the basis of the elevation, and then performing roughness reduction treatment on the areas of the river boundary during a dry season. The present method reduces the roughness of a river boundary within the accumulation range of a river-blocking debris dam, so as to reduce the opposite bank dam height of the river-blocking debris dam and the storage capacity of the dammed lake, thereby achieving the purpose of reducing the danger of dammed lakes formed by debris flows and reducing the impact of debris flow disasters.

The invention relates to the technical field of coastal zone renovation and repair, in particular to a siltation promotion device for coastal zone renovation and repair, which comprises a siltation promotion assembly and a caisson which are sequentially arranged from top to bottom, the siltation promotion assembly comprises a plurality of siltation promotion modules which are connected through side edges, and the top side of the siltation promotion assembly is used for being fixedly connected with a coast; each siltation promotion module comprises a frame and a plurality of anti-flow plates, the multiple anti-flow plates are sequentially arranged in the frame from top to bottom, the two ends of each anti-flow plate are rotationally connected with the two opposite sides of the frame correspondingly, and every two adjacent siltation promotion modules are rotationally connected through one side edge of the frame; a sedimentation cavity is formed in the top of the caisson, a permeable material is arranged in the sedimentation cavity, flow guide holes penetrating through the two sides are formed in the upstream face and the downstream face of the caisson correspondingly, and the bottom side of the siltation promotion module is connected with the caisson and located above the sedimentation cavity; the siltation promotion device is formed in a splicing mode, the siltation promotion device can be well suitable for complex terrains, and the anti-flow plate is arranged to effectively resist water flow impact.

The invention discloses a reservoir desilting method and device using fixed jet flow, and relates to the technical field of water conservancy and hydropower engineering desilting. According to the method, the flow speed, pressure, mud layer thickness and gradient parameters of water around a nozzle are collected in real time; calculating a jet flow angle compensation coefficient, and identifying a nozzle direction stable state; on the basis of a nozzle set with stable direction, a nozzle group is constructed and a time sequence differential control table is established by combining a topological relation between nodes and disturbance propagation characteristics, so that ordered migration of turbulent flow disturbance is realized; sediment concentration, flow velocity and flow data are collected in a flow guide plate and a sediment discharge port area, and a desilting efficiency index is calculated and used for evaluating sediment transportation continuity and flow guide performance; and a comprehensive operation optimization coefficient is generated through a multivariable adaptive weighted fusion algorithm, and the system automatically executes adaptive regulation or sends out a manual intervention prompt. According to the method, self-monitoring, self-correction and global optimization of the fixed jet system can be achieved, and the reservoir dredging efficiency and the operation stability are remarkably improved.

Disclosed is a method for regulating confluence of tributaries with a large drop difference and a large angle into a trunk canal. The method includes: banking up a reservoir at an upstream end of a tributary river, and widening a water surface, such that uniform distribution of water flows is completed; then conducting scouring and energy dissipation to reduce a flow velocity and kinetic energy of the water flows; then conducting flow-slowing sedimentation, such that sediment is deposited on one side of the tributary river connected to a downstream side of a trunk stream; and then conducting flow diversion at one side of the tributary river connected to an upstream side of the trunk stream, such that an included angle of confluence of tributary river water into the trunk stream is reduced.

The invention discloses a method for cooperatively carrying out dredging and ecological protection in a near-shore sensitive area, belongs to the technical field of port and channel engineering desilting, and aims to solve the technical problem that construction efficiency and ecological environment protection are difficult to consider when dredging operation is carried out in the near-shore sensitive area. Comprising an operation system of at least one dredging sub-ship, a path is planned through underwater topographic survey, the sub-ship is fixed through a gauge pile system, a multi-joint hinged arm with a cover type cutter suction head is lowered to be attached to a mud bed, sludge is liquefied through a high-pressure water system, and slurry is conveyed through a sand pump set; the slurry concentration and the turbidity of a surrounding water area are respectively monitored through an inner turbidity sensor and an outer turbidity sensor, and closed-loop feedback control is formed to dynamically adjust the power of a sand pump, the pressure of high-pressure water and the speed of a hinged arm; and meanwhile, in the dredging process, an ecological base material containing a biological agent is sprayed to the bare seabed through an ecological base material spray head, and dredging and ecological restoration are synchronously carried out. The method is mainly used for dredging construction and ecological protection of near-shore sensitive water areas.

The invention discloses a three-dimensional water ecological restoration method based on an ecological system, and the method specifically comprises the following steps: S1, carrying out the construction of a temporary dam for a river channel of a construction area, and carrying out the water ecological operation and water level reduction for the construction area; impurity cleaning is conducted on the river channel area after the water level is lowered; s2, in-situ remediation of the bottom mud: scattering a bottom material modifier in the river channel area after the sundries are cleared to complete the in-situ remediation of the bottom mud; submerged plants are planted; s3, after the submerged plants are planted, an ecological water purification barrier and a biological grid are installed, and water purification is conducted; s4, emergent aquatic plant buffer zone planting, microorganism regulation and control and aquatic animal putting are conducted on the two sides of the river channel, a three-dimensional water ecological restoration network is constructed, and water ecological restoration is completed. Through the synergistic effect of the ecological water purification barrier and the biological grid, rapid and high-strength physical adsorption and microbial degradation of pollutants are achieved, meanwhile, ecological niche is built, and recovery of biological diversity is achieved.

The invention discloses a modularized regulation and storage tunnel and ecological landscape integrated system, which relates to the technical field of ecological water conservancy projects and comprises a regulation and storage tunnel module, an ecological landscape module and an intelligent regulation and control module, the regulation and storage tunnel module comprises an electroactive biological membrane-plant root system coupling reactor and an intelligent secretion capture-slow release module and is used for realizing regulation and storage of water and treatment of heavy metal ion pollutants; according to the method, the problem of bioelectrochemical coupling failure of a microorganism-plant interface is solved through construction of an artificial electron transfer path, intelligent regulation and control of the phenol concentration and multi-field coupling simulation, the heavy metal ion removal rate is stably increased, pipeline scaling is reduced, and traditional monitoring and model limitation is broken through; meanwhile, by means of ecological module collaboration, the biological diversity and the system stability are enhanced, the operation and maintenance cost is reduced, the service life of materials is prolonged, and a new interdisciplinary precise regulation and control solution is provided for urban water environment treatment.

This application provides an underwater foundation bed spiral scraper leveling system, including an underwater leveling frame. The underwater leveling frame includes a base frame, and a movable frame is provided along the length of the base frame. The lower end of the movable frame is provided with a rotatable scraper spiral with opposite spiral connections to level the gravel in the base frame. It also includes a lifting frame installed on a support vessel on the water. The lifting frame is provided with a hook that can move up and down, and a lifting rope is provided on the hook. The lower end of the lifting rope is connected to the underwater leveling frame, which solves the problem of automated leveling of underwater foundation beds.

The invention relates to the technical field of water conservancy projects, and discloses an estuary channel erosion and deposition control method and system based on water column wave energy collection and release. According to the method, wave energy is captured through an oscillating water column air chamber with a bottom opening, bidirectional airflow is converted into unidirectional high-pressure airflow through an airflow rectifying unit, and the unidirectional high-pressure airflow is stored in a high-pressure energy storage container; the system monitors the flow velocity of a channel and the air pressure of the energy storage container in real time, only when the flow velocity meets a preset ebb tide transportation condition and the air pressure is higher than a critical threshold value, a trigger instruction is generated, after the instruction is responded, high-pressure gas is injected into the gas-liquid replacement excitation cavity sinking to the bottom, and water in the driving cavity forms high-speed hydraulic jet flow through a Laval nozzle to impact bottom mud. After jet flow is finished, the cavity exhausts air and relieves pressure, the external water body reversely flows back through the hydrostatic pressure of the environment, and suspended sediment is entrained and sucked. Through the cyclic operation, energy self-sufficiency, intelligent opportunity selection operation and efficient dredging are achieved, the operation cost and the environmental influence are reduced, and the method is suitable for remote and unattended navigation channel maintenance.

The utility model relates to a rectifying gate, which belongs to the technical field of hydraulic engineering and comprises a gate plate and a turntable. Wherein the gate plates are arranged in the runner in pairs; when the gate plates arranged in pairs are combined into a V shape, the rectifying gate is closed; otherwise, the rectification gate is opened; the V-shaped opening end formed by combining the flashboards faces the water flow direction, and when the flashboards are opened to be parallel to the flow channel direction, the opening degree of the rectification gate is maximum so as to adjust the water flow; the turntable is arranged above the flashboard and is fixedly connected with the flashboard; and when rotating, the turntable drives each pair of flashboards to rotate reversely. The opening degree of the rectifying gate can be adjusted according to needs, and therefore accurate control over water flow is achieved. When the gate plate is opened to be parallel to the direction of the flow channel, the opening degree of the rectification gate is maximum, stable flowing of water flow can be ensured, the problem that the water flow of an existing gate device is unstable is solved, and more stable water flow management is provided; in addition, the rectifying gate is simple in structure and convenient to install and maintain.

The invention discloses equipment and a method for predicting, controlling and dispatching the scouring and silting amount of a downstream river channel of a dam, which are taken into account the influence of a flood process on the scouring and silting amount of the river channel and comprehensively consider the influence of water and sediment elements and flood characteristics on the scouring and silting amount of the downstream river channel of the dam. Water surface gradient, flow, peak pattern coefficient, jacking coefficient, sediment content and sediment grading elements are incorporated to predict the erosion and deposition amount of the downstream river channel of the dam, a calculation formula structure of the erosion and deposition amount of the downstream river channel of the dam and a matched calculation method are constructed, a corresponding table of the erosion and deposition amount of the downstream river channel of the dam is compiled according to the method, and reverse derivation can be achieved through table query. When the scouring and silting amount of the downstream river channel of the dam is controlled to be a fixed value, key dispatching parameters such as reservoir outlet flow and peak pattern coefficient required to be regulated and controlled by an upstream reservoir; a reservoir management department can formulate a scientific reservoir optimization scheduling scheme through the method, technical guarantee is provided for river regime stability and bank slope protection of a downstream river channel of a dam, flood control standard improvement and shipping safety maintenance are effectively supported, and a decision basis is provided for exerting comprehensive benefits of the reservoir.

The utility model relates to the technical field of channel desilting, in particular to an automatic desilting device for a channel water diversion opening. The device comprises a steel frame, the steel frame is transversely arranged on a channel, a first conveying pipe is fixedly installed in the steel frame, a second conveying pipe is fixedly connected to the middle of the first conveying pipe, the second conveying pipe communicates with the interior of the first conveying pipe, the second conveying pipe is located at the bottom of the steel frame, and a desilting assembly is arranged at the position, close to the bottom end, of the outer side of the second conveying pipe; the dredging assembly comprises a rotating assembly and a driving assembly. When water in a channel impacts a plurality of driving plates or floaters impact the driving plates, the driving assembly drives the rotating assembly to rotate, the driving assembly enables the surrounding floaters to move in the water flow direction, and the problem that a large number of floaters are accumulated near the second conveying pipe, so that the floaters cannot be separated from the second conveying pipe is solved. And the second conveying pipe can smoothly guide water, so that the water taking efficiency can be improved.

The application discloses a mountainous navigation channel complex cross-section excavation method and belongs to the technical field of hydraulic engineering. The planned navigation depth H and the planned navigation width B of a navigation channel are determined according to navigation channel planning. A cross-section with insufficient water depth and a relatively narrow width is selected as a typical excavation cross-section. A typical calculation cross-section diagram is drawn according to the typical calculation measured terrain data points. A first excavation cross-section is excavated, and the first excavation cross-section is determined according to the typical calculation cross-section diagram. The excavation area of the first excavation cross-section is denoted as A11. A second excavation cross-section is excavated, and the excavation area of the second excavation cross-section is denoted as A12. The flow velocity reduction value of the typical calculation cross-section is calculated by assuming that the excavation area of the second excavation cross-section is A12 from small to large, until the flow velocity is reduced to the design requirement. The present application innovatively designs two cross-sections, which respectively meet the requirements of the navigation channel planning scale and the flow velocity reduction, and significantly reduces the water flow velocity, the earthwork excavation amount, the engineering cost and the earth dumping amount, and the environmental impact.

The invention discloses a suspended sediment transportation and reservoir desilting system, and relates to the technical field of hydraulic engineering, the system comprises an acoustic control array module used for forming an acoustic potential well in water above a reservoir bottom sludge layer to capture sediment particle groups in the reservoir bottom sludge layer; the sediment gathering and collecting module is used for collecting sediment particle groups and gathering the sediment particle groups at a sediment gathering target point to form slurry; the control unit is used for generating an acoustic potential well moving path based on the acoustic control array module position information, the reservoir bottom terrain and the sediment collection target point, and is used for controlling emission parameters of the acoustic control array module based on the acoustic potential well and the movement state of the sediment particle population and the concentration of the sediment particle population; according to the invention, non-contact, directional and collaborative transportation of sediment particle groups can be realized, and the sediment particle groups are orderly guided to a collection point, so that low-energy-consumption, low-disturbance, high-efficiency and intelligent dredging operation is realized.

The invention discloses a self-dredging system and method for a sand blocking ridge, and the system comprises a sand pump which is disposed on the upstream side of the sand blocking ridge and is used for providing suction power; the embedded pipeline system comprises a sand suction main pipe communicated with an inlet of the sand pump and at least one sand suction branch pipe; the cutting head is arranged at the front end of the sand suction branch pipe and is used for crushing deposited silt; the silt treatment system is communicated with an outlet of the sand pump and is used for carrying out solid-liquid separation and dehydration treatment on the sucked silt-water mixture; the monitoring system comprises a deposition thickness sensor for detecting the deposition thickness in front of the ridge; and the control system is in signal connection with the monitoring system and the sand pump and is configured to receive a signal of the deposition thickness sensor and automatically start the sand pump when the deposition thickness exceeds a preset threshold value.

The utility model provides a spliced portable water guide device. The spliced portable water guide device comprises a water retaining device and a flow guide device, the water retaining device is arranged at a culvert water inlet and comprises a plurality of first water retaining sections and two second water retaining sections. The multiple first water retaining sections and the two second water retaining sections are spliced into a strip-shaped structure, and the multiple first water retaining sections are located between the two second water retaining sections; the cross section of the first water retaining section and the cross section of the second water retaining section are each of an L-shaped structure. A water guide opening is formed in the face, close to the culvert water inlet, of the first water retaining section, and the water guide opening is in threaded connection with the flow guide device, so that the problem that the construction efficiency is affected due to the fact that the flowing water flow guide difficulty of a lengthened culvert is large is solved.

The utility model relates to the technical field of ocean engineering, in particular to a double-layer perforated plate flow guide breakwater which comprises a connecting pile and a double-layer perforated flow guide plate. Each connecting pile comprises a pile cap, a pile body and a cattle foot; the two groups of double-layer perforated guide plates are arranged in parallel front and back, each group comprises a plurality of perforated guide plates, each perforated guide plate is provided with a plurality of holes, the perforated guide plates in each group are connected into a whole side by side through the connecting piles, and the connecting piles are positioned on two sides of the perforated guide plates. According to the structure, through the optimized design, the wave dissipation effect and the structural stability of the breakwater are improved, and meanwhile the construction difficulty and cost are reduced. The structure is particularly suitable for ports, wharfs and coastal protection in the marine environment.

The application discloses a small and medium scale meandering river multi-stage biological habitat system, and the river has a convex bank and a concave bank which are oppositely arranged, and further comprises: a water-permeable flow guide unit which is arranged on the convex bank of the river and extends into the river, and is used for guiding the water flow direction and reducing the water flow speed; a deep pool habitat unit which is formed downstream of the concave bank opposite to the water-permeable flow guide unit; and a shoal habitat unit which is formed downstream of the convex bank on the leeward side of the water-permeable flow guide unit; wherein the deep pool habitat unit is arranged with a second habitat substrate group, and the surface of the shoal habitat unit is arranged with a first habitat substrate group. The application further discloses a construction method of the small and medium scale meandering river multi-stage biological habitat system, the water flow is guided and utilized by the water-permeable flow guide unit, the deep pool habitat unit and the shoal habitat unit are shaped, the interference to the natural environment is small, and the multi-stage biological habitat system is constructed through the arrangement of the second habitat substrate group and the first habitat substrate group.

The invention relates to the technical field of membrane bag sand filling construction, in particular to a sand conveying assembly capable of filtering water and locking sand and a sand filling device and method. The supporting body is arranged on the outer side of the fluid conveying pipe in a sleeving mode and used for opening the film bag so that a water drainage channel can be formed between the outer side wall of the fluid conveying pipe and the inner wall of the film bag; and the filtering structure is used for being arranged on the water drainage channel and can block sand grains from passing through. According to the sand conveying assembly capable of filtering water and locking sand, redundant water in a water-sand mixture flowing into the film bag along the flow conveying flow channel can be discharged along the water drainage channel, sand grains are blocked by the filtering structure and left in the film bag, the water filtering and sand locking functions are achieved, and therefore staged standing waiting in the sand loading process can be greatly reduced or even eliminated, and the sand loading efficiency is improved. And the sand loading efficiency is improved.

The utility model provides a river regulation bank protection desilting device which comprises a mounting seat, the top of the mounting seat is provided with a filter box through a rotating mechanism, one side of the filter box is fixedly provided with a stand column, and one side of the stand column is provided with a desilting cover through a lifting mechanism. The vertical column, the lifting mechanism, the dredging cover and the like can be rotationally adjusted through rotating mechanisms such as a third servo motor and a rotating disc, and different positions in a river channel can be conveniently dredged through cooperation with lifting mechanisms such as a first servo motor, a first screw rod, a cross rod, a second servo motor, a second screw rod, a telescopic rod and a fixed pipe; the orientation and angle of carrying equipment do not need to be adjusted, operation is easy, sludge can be scattered through a fourth servo motor and a stirring paddle, the sludge can be conveniently pumped out, and the practicability of the device can be improved; and sludge can be filtered through the filter box and the filter screen, the sludge and water are separated and discharged separately, and the dredging efficiency of the device can be improved.

The unpowered dredging equipment in river regulation comprises two symmetrically arranged water flow outlet arc-shaped plates, and the two water flow outlet arc-shaped plates are symmetrically arranged close to the river bank side; at least two water flow inlet steering plates are arranged in the direction right facing the water flow, a small-scale centripetal radian plate is arranged in the direction back to the water flow, and a water flow outlet end is arranged between the small-scale centripetal radian plate and the water flow outlet arc-shaped plate. The two symmetrically-arranged water flow outlet arc-shaped plates, the water flow inlet steering plate and the small-scale centripetal radian plate integrally define a ring shape, and the diameter of the ring shape needs to be matched with the width of the river bottom. According to the utility model, the water flow dynamics principle and the engineering design are utilized, and the sludge is automatically cleaned through the water flow of the riverway. By using the device, the manual cleaning cost and workload can be reduced, meanwhile, interference to the environment is reduced, the ecological environment of the river channel is protected, and the smoothness of the water channel is maintained.

The invention discloses an automatic monitoring and cleaning system and method for distributed reservoir branch blocking door sand, and belongs to the technical field of water conservancy projects. The system comprises a distributed energy module, a water pumping and desilting module, a monitoring module, a gate dam regulation and control module and a control module. Energy is provided through photovoltaic and wind power generation, pumping and desilting are conducted through a pump station or a pump ship connected through a flexible pipeline, and a spiral spring or a spiral protrusion or other anti-blocking devices are arranged at a pump inlet. The monitoring module monitors the water level difference and the flow velocity in real time through a radar water level gauge and a flow measuring camera. The gate dam regulation and control module comprises an assembled water and sediment retaining dam, a double-layer gate system and a movable crane. The control module automatically controls directional scouring and gate opening and closing according to monitoring data. Automatic monitoring, accurate cleaning and hydraulic breaking of the blocking door sand are achieved, the dredging efficiency is effectively improved, and communication of main and branch reservoir capacities of a reservoir is guaranteed.

The application provides a construction method of a natural river channel and overbank wetland, comprising the following steps: S1: constructing a natural river channel and three-stage overbank in a riverbed according to historical daily flow statistical characteristics, so as to adapt to river channel flow characteristics under different rainfall scenarios; and S2: constructing overbank wetlands with different characteristics according to selected overbank types. The application relies on overbank wetlands to comprehensively improve the ecological service function of the river channel; in a non-rainfall scenario, the service functions of landscape, soil conservation, wind prevention and sand fixation are realized; and in a rainfall scenario, the service functions of reducing non-point source pollution, storing flood, and improving water environmental quality are mainly played.

The utility model provides a fishing net recovery system and relates to the field of fishing net cleaning. The fishing net recovery system comprises a winding type fishing net arrangement mechanism and a fishing net recovery mechanism. The swing motion oil cylinder falls back, the swing motion oil cylinder drives the swing frame part to swing downwards and be laid flat, the rigid fishing net recycling part is laid flat along with the swing frame part, then the return motor part drives the return supporting part to slide backwards along the return sliding rail, and the fishing net on the rigid fishing net recycling part is lapped on the winding type fishing net tidying mechanism; the rigid fishing net recovery part relieves hanging of the fishing net, the fishing net completely falls on the winding type fishing net arrangement mechanism, the winding type fishing net arrangement mechanism arranges and stores the fishing net, the rigid fishing net recovery part moves up and down, and the cleaning depth adjusting effect is achieved; the rigid fishing net recovery part can directly drive the fishing net from the side face, and therefore the sweeping effect is better than that of a tow rope.

The invention provides a sandy coast sediment blocking dam maintenance method and a sand pumping system.The method comprises the following steps that S1, the sediment deposition range and the sediment deposition strength are calculated, the sand pumping strength is determined according to the calculation result, and then the number and the arrangement mode of sand pumping points and the sand pumping efficiency of the single sand pumping point are determined; s2, sand pumping points are excavated, and a sand pumping device is arranged at each sand pumping point; s3, a warning line needing sand pumping operation is determined, the silt deposition degree is monitored in real time, and whether deposition exceeds the warning line or not is judged; and S4, when the judgment result of the S3 is that the deposition exceeds the warning line, the sand pumping device is automatically started, and sand pumping operation is executed. The fixed sand pumping device is used for continuously cleaning deposited silt, so that the service life of the sand blocking embankment is prolonged, the construction investment of the sand blocking embankment and the engineering investment in the use period are reduced, and the damage to the ecological environment of a sea area is reduced.

The present invention relates to a construction method for a multi-stage prefabricated ecological drainage system in a reclamation area, comprising the following steps: fabricating a base and annular precast blocks, and installing pre-embedded threaded sleeves and lifting rings within the base and annular precast blocks; installing the base and drainage pipes at a lower elevation in the reclamation area, and backfilling and compacting the soil; stacking the annular precast blocks layer by layer on the base and fixing them with connecting bolts, and wrapping the annular precast blocks with geotextile; selecting appropriate-sized primary, secondary, and tertiary filter baskets to assemble a multi-stage filter basket filtration system, and suspending the multi-stage filter baskets on the top annular precast block, and fitting vertical filter cylinders around the annular precast blocks; conveying slurry to the reclamation area to begin reclamation operations; promptly cleaning the silt and sand within the multi-stage filter baskets and adding annular precast blocks during reclamation; after reclamation is completed, lifting the annular precast blocks and base layer by layer from the sedimentary soil layer; and backfilling the pits left by the base and annular precast blocks in the sedimentary soil layer by layer with backfill soil.

The invention relates to the technical field of coast ecological restoration, in particular to a muddy coast embankment-penetrating biological channel and a construction method. The invention aims to provide the muddy coast embankment-penetrating biological channel and the construction method, the biological channel and the construction method have the function of protecting biological diversity, and the effective ecological protection effect is achieved by fully combining the coast ecology principle and aiming at the geological and ecological characteristics of the muddy coast. According to the technical scheme, the muddy coast embankment penetrating biological channel comprises a seawall, a coastal tidal beach located on the coastal side of the seawall, an embankment rear ecological zone located on the back-to-sea side of the seawall and an embankment body biological channel transversely penetrating through the lower portion of the seawall to communicate the coastal tidal beach with the embankment rear ecological zone. A construction method of a muddy coast embankment penetrating biological channel comprises the steps of coastal tidal beach construction, embankment body biological channel construction and embankment back ecological zone construction.

This invention relates to the technology of silt prevention and removal, and more specifically to a smart silt removal method and control system in response to changes in water depth. When removing silt from a shipping channel, the invention first segments the channel, then classifies the channel segments according to the water depth of each segment, and applies a smart silt removal method to the channel according to the floating type of channel. In particular, for the first type of channel, due to the characteristic that silt easily settles in the segment, a support vector machine is used to combine the channel's position and past silt accumulation amounts to achieve accurate and effective smart prediction of the silt removal depth. For the second type of channel, due to the characteristic that silt accumulation is less likely to occur, a fixed pattern is adopted to determine the channel silt removal plan, and through the plan of this invention, the targetability and efficiency of establishing the silt removal method can be improved.