86 results about "Spillway" patented technology

The invention provides a method for analyzing deformation characteristics of an exit slope of a flood discharge building, which comprises the following steps of: firstly, collecting geotechnical parameters, hydraulic load parameters, GNSS displacement, pore water pressure and clinometer data of the slope; then, constitutive parameters of the slope stability model are dynamically corrected, GNSS displacement is decomposed into creep and elastic displacement components, and the time delay error of pore water pressure data is compensated; thirdly, seepage-stress coupling stability calculation is conducted in combination with the compensated pore water pressure and inclinometer data, and the slope stability safety coefficient is obtained. And finally, outputting the creep displacement, the elastic displacement and the stability safety coefficient to an early warning terminal. According to the invention, the accuracy and reliability of slope stability evaluation can be improved.

The invention discloses a durability evaluation method for a slope protection layer of a flood discharge atomization area, and the method breaks through the limitation of a conventional static load hypothesis, and accurately reflects the load joint variability through dynamic monitoring and probability modeling. The core problems of inaccurate load feature description, insufficient multi-field coupling simulation precision, lack of time-varying reliability evaluation and the like of a traditional method are effectively solved. The combination of dynamic monitoring and probability modeling improves the load characteristic representation precision, the multi-physics field coupling calculation accurately simulates the water particle impact mechanism, the fusion of the intelligent prediction model and the random process theory realizes the dynamic evaluation of the performance degradation of the protective layer, and finally provides quantitative decision support for engineering maintenance.

The invention discloses a flood discharge vertical shaft stilling well-turning section body type unified optimization method. The method comprises the steps that multi-working-condition physical constraints describing body type parameters of a flood discharge vertical shaft, a stilling well and a turning section are obtained, and a combined feasible region is constructed; obtaining a typical flood working condition set; an active sampling strategy is adopted, body type sample data are obtained through iteration aiming at the typical flood working condition set in the joint feasible region, and a flow regime partition model and a hydraulic index agent model are constructed through iteration; according to the active sampling strategy, multi-working-condition uncertainty and flow regime partition boundary information are fused; in the joint feasible region, the flow regime partition model and the hydraulic index agent model are applied, a robust optimization model considering the cross-working-condition flow regime stability is constructed and solved, and a unified optimization body type scheme is obtained. According to the method, by introducing the flow state middle layer and combining the sampling strategy of flow state boundary driving, the capturing capacity and optimization efficiency of nonlinear flow state sudden change are improved.

The invention discloses a method for constructing and solving a wind speed optimization model of a flood discharge tunnel traffic corridor based on a physical characteristic embedded mixed variable, and the method comprises the steps: determining key control parameters of safe and stable operation in the traffic corridor during flood discharge according to the core influence factor of the wind speed of the flood discharge tunnel traffic corridor, thereby determining an optimization variable and an optimization target; physical correction normalization is carried out on the water head height in the optimization variables, segmented normalization is carried out on the gate opening, and physical attribute mapping is carried out on the flood discharge operation hole number combination; according to the normalized physical attribute mapping of the gate opening degree and flood discharge operation hole number combination, the total open area is calculated; physical characteristics are constructed according to the total overflowing area and the normalized water head height; and establishing a flood discharge tunnel traffic corridor wind speed optimization model according to the water head height, the flood discharge tunnel operation hole number combination, the gate opening and the physical characteristics, and solving. According to the method, the optimal scheme of the wind speed of the flood discharge tunnel traffic corridor is obtained.

The invention provides a flood discharge tunnel parameterization design system, and relates to the technical field of hydroelectric and hydraulic engineering intelligent design, and the system comprises a management module which is used for transferring all modules of the flood discharge tunnel parameterization design system; the modeling module is internally provided with a flood discharge tunnel parametric modeling library and is used for automatically establishing a flood discharge tunnel three-dimensional model; the parameter module is used for managing parameters related to the design of the flood discharge tunnel; the display module is used for observing the design of the spillway tunnel by a designer; and the design scheme generation and management module is used for extracting the three-dimensional model information of the flood discharge tunnel, calculating and outputting the engineering amount, outputting a corresponding engineering drawing based on the three-dimensional model information of the flood discharge tunnel, and storing the design scheme. According to the method, the spillway tunnel axis and the terrain surface model are only used as input elements, other operations are driven through parameters to update the three-dimensional model, high matching of three-dimensional design and a traditional design process is achieved, and a mode with skeleton driving as a core in traditional modeling is replaced.

A sloping upper surface of a dish mat is supported by nonrectangular support ribs, whose depth decreases as a function of distance from the back of the dish mat body. Angled ribs in a left portion and in a right portion of the upper surface direct fluid to a central channel, which in turn directs the fluid to a spillway. The spillway forwardly and downwardly extends into a sink at which the dish mat has been positioned.

The utility model discloses an annular downflow weir vertical shaft spillway structure with a trapezoid cofferdam, which comprises an annular downflow weir, a vertical shaft connected to the bottom of the inner side of the annular downflow weir, a round-to-square section connected to the bottom of the vertical shaft, a stilling well connected to the bottom of the round-to-square section, a discharge hole arranged on the side surface of the stilling well, and a pressure slope connected to the discharge hole on the side surface of the stilling well. And the pressure slope structure further comprises a trapezoidal cofferdam, and the trapezoidal cofferdam is arranged on the periphery of the side wall of the annular overflow weir. The annular downflow weir vertical shaft spillway structure with the trapezoidal cofferdam solves the problem that due to the fact that a traditional annular downflow weir vertical shaft spillway tunnel is affected by asymmetric terrains, the flow state of water flow entering a vertical shaft is not uniform, and the phenomenon of water flow bias in the vertical shaft is serious.

This utility model provides a structure for converting a clay core dam into an overflow dam, including a spillway excavated along the top of the clay core dam to the bottom of the downstream side. A spillway bottom slab is poured below the spillway, and side walls are poured on both sides of the spillway bottom slab. The height of the side walls is not lower than that of the clay core dam on both sides. An overflow weir is poured on the spillway bottom slab, and the overflow weir is located in the direction of the top of the clay core dam. The two sides of the overflow weir are connected to the side walls, and the height of the overflow weir is lower than that of the clay core dam on both sides. An anti-seepage wall is embedded in the clay core dam below the overflow weir. The overflow dam is converted on the clay core dam to ensure that the converted clay core dam has a certain discharge capacity, thereby enhancing the flood control capacity of the reservoir.

Embodiments of an electrode water supply assembly include a cap having a cap body with a reservoir adjacent a proximal electrode end of a permanent reference electrode when the cap is mounted on the permanent reference electrode. The cap body may include (i) a distal cap end defining a distal opening configured to be disposed about the proximal electrode end, (ii) a proximal cap end defining a proximal opening, and (iii) an outer wall defining an overflow port therethrough, the overflow port receives overflow fluid from the reservoir and directs the overflow fluid out of the reservoir. The electrode water supply assembly may include a catheter having: a distal catheter end configured to be fluidly coupled to the proximal opening; and a proximal catheter end configured to be positioned at the cathode test station. Thus, fluid directed to the proximal catheter end is directed through the catheter and into the reservoir to water at least the proximal electrode end.

This utility model relates to the field of spillway tunnel support technology, specifically a reinforcement support device for spillway tunnel excavation. It includes a fixed frame, with lifting blocks bolted to both ends of the fixed frame. A support block is slidably connected to the lower end of each lifting block, and a support base is fixed to the lower end of each support block. Multiple brackets are fixed to the top surface of the lifting blocks. Connecting seats are fixed to the outer ends of the brackets and both ends of the top surface of the fixed frame. Arc-shaped blocks are bolted to the connecting seats. A first pressure-relief block is fixed between two adjacent arc-shaped blocks. A second pressure-relief component is installed at the end of each bracket near the arc-shaped block. A connecting component, including an insert block, is installed on the arc-shaped block. The first pressure-relief block between adjacent arc-shaped blocks and the second pressure-relief component at the end of the bracket undergo controllable limited deformation, absorbing the energy released by the surrounding rock while maintaining stable support for the surrounding rock. This reduces the rigid stress on the structure, decreases brittle failures such as retaining wall cracking, support bending, and joint collapse, and lowers the risk of collapse.

The utility model relates to a ventilating skylight, which comprises a skylight framework fixed at a ventilating opening of a color steel roof, a wind shield wrapped outside the skylight framework, and a daylighting panel laid on the skylight framework, the top of the wind shield is provided with an air opening corresponding to the daylighting panel, and two sides of the daylighting panel are respectively provided with an L-shaped spill-proof plate. The inner end of the L-shaped spill-proof plate is connected to the lower portion of a cornice of the daylighting panel and communicated with a drainage pipe located below the cornice through a penetrating hole in an inner end face plate of the L-shaped spill-proof plate, the outer end of the L-shaped spill-proof plate is turned over, vertically upwards and inwards bent, and a water blocking face which is vertically upwards and provided with the top bent inwards is formed. A plurality of transverse sliding plate assemblies arranged in the longitudinal direction are arranged at the top of the wind shield and used for blocking the upper portion of the air opening and extending to the outer side edge of the wind shield. Rainwater can be effectively prevented from entering the plant while normal ventilation is ensured, and the ventilation device is simple in structure and easy to implement.

The present disclosure relates to the technical field of gate scheduling, and provides a reservoir gate scheduling method and system. The method comprises: acquiring reservoir basic information; constructing a target function and constraint conditions of multi-objective optimization scheduling of a reservoir spillway gate based on the reservoir basic information; the target of the target function is to minimize the sum of the maximum reservoir outflow and the average adjustment times of the reservoir spillway gate; a deep reinforcement learning framework is constructed; state variables and action variables of the deep reinforcement learning framework are determined, and a reward function is determined based on the target function and the constraint conditions; the deep reinforcement learning framework is trained by using a proximal policy optimization algorithm, and the trained agent can formulate a reasonable gate scheduling scheme according to a flood process. The method can be used for reservoir flood control and provides a reasonable gate scheduling scheme for dispatch personnel.

The invention discloses a flood discharge, sand flushing, emptying and flow guide integrated hydraulic tunnel for a barrier lake and an application method, and relates to the technical field of flow discharge of barrier lakes, the hydraulic tunnel comprises an existing diversion tunnel, an existing tunnel transformation section, a dragon head inclined section, an upper flat section, an emergency flood discharge tunnel, an inlet accident maintenance lock chamber, an outlet working lock chamber section and an outlet flip bucket section; an existing diversion tunnel is transformed, a dragon-head-raising inclined section, an upper flat section, an inlet accident overhaul lock chamber, an emergency flood discharge tunnel and an outlet working lock chamber section are built on the upstream and downstream of the existing diversion tunnel correspondingly, an original water passing building and the emergency flood discharge tunnel are used as main diversion buildings, and the flood season overflowing requirement is combined. And the scale of surface hole flood discharge buildings such as a flood spillway and the elevation of a bottom plate are determined to meet the requirement for safe overflow flood control in the weir plug body construction period, no extra new tunnel needs to be built, and the multifunctional hydraulic tunnel integrating flood discharge, sand flushing and emptying is transformed.

The utility model provides a drainage tank water inlet arc-shaped flow guide side prefabricating die which comprises a left die and a right die, a left side pouring groove and a right side pouring groove are formed in the upper portion of the left die and the upper portion of the right die respectively, and the left side pouring groove and the right side pouring groove are distributed in a bilateral symmetry state. The front end of the left side pouring groove is higher than the left rear end of the left side pouring groove. By means of the prefabricating die, convenient, efficient and standardized prefabricating of the arc-shaped flow guide edge can be achieved, and the prefabricated arc-shaped flow guide edge is attractive and elegant in appearance.

The application provides a water level regulation method and system for a water conservancy hub. The method includes the following steps: collecting data by underwater robots and satellite remote sensing data simultaneously, constructing a sediment deposition space-time atlas containing a deposition gradient, and periodically correcting the space-time atlas. A radar array is deployed in the curved section of the spillway, and a multi-frequency pulse signal is used to analyze the three-dimensional sediment flow velocity field vector distribution. Through the correlation analysis of the dynamic coupling of the deposition gradient and the flow velocity field, the correlation area of the flow velocity mutation and the sediment deposition is accurately identified, and a constraint condition set containing coordinate positioning and flow-silt matching rules is established. Combined with real-time water level monitoring data, the constraint condition set is used to calculate and generate a dynamic adjustment parameter sequence of the spillway gate opening, and the water level is accurately regulated. The technical scheme provided by the application can accurately regulate the water level of the water conservancy hub by intelligently optimizing the spillway parameters, effectively alleviate the sediment deposition problem in the high-sediment water area, and ensure the safe operation and flood control efficiency of the hub.

System for a hydraulic dam (B), comprising: a deflector (1) configured to divert a water flow exiting a spillway (V) of the dam (B), relative to a principal flow direction of the water exiting the spillway (V); a catch basin (3) downstream of the deflector (1) for recovering objects carried by the water flow; and a pit (2) downstream of the deflector (1) and upstream of the catch basin (3), the pit (2) being adapted to dissipate at least some of the kinetic energy of the water flow after the water flow has been diverted by the deflector (1) and before the water flow reaches the recovery grid (3). Figure for the abstract: Fig. 1

This invention discloses a silt-retaining dam structure based on 3D printing and extrusion modules, comprising a stepped dam body, a 3D-printed protective shell, a spillway energy dissipation system, and a surface reinforcement layer. The stepped dam body is assembled from prefabricated loess-based extrusion modules using a mortise and tenon structure, with each layer dry-laid layer by layer from bottom to top in a staggered pattern, the width of each layer decreasing with increasing height. The spillway energy dissipation system is constructed by progressively narrowing and staggering the extrusion modules to create the spillway. The energy dissipation structure within the reserved space is integrally formed with the 3D-printed protective shell on the upstream slope and dam crest, without construction joints. The 3D-printed protective shell is formed on the upstream slope and dam crest using the extrusion modules as the base surface. The surface reinforcement layer is applied to the exposed surfaces of the 3D-printed protective shell and energy dissipation structure, simultaneously filling the module seams and printed micropores. This structure constructs a three-layer collaborative protection system, enabling rapid assembly, stable operation, and low-cost maintenance.

This invention relates to the field of emergency hazard mitigation technology in water conservancy projects, and in particular to a method for controlled release and hazard mitigation of landslide-dammed lakes based on erosion benchmark protection. The method includes: calculating the allowable breach height of the landslide-dammed lake based on the dam length, dam volume, and reservoir capacity corresponding to the protection elevation; determining the erosion benchmark protection elevation based on the allowable breach height; calculating the cross-sectional dimensions of the spillway based on the determined maximum breach flood peak flow; and laying a temporary spillway based on the erosion benchmark protection elevation and the cross-sectional dimensions of the spillway. This invention achieves safe and controllable release of water from landslide-dammed lakes, improves the safety and efficiency of emergency hazard mitigation, effectively avoids downstream flood disaster risks, and is applicable to various landslide-dammed lake emergency response scenarios.

The invention discloses an anti-abrasion combined concrete layered lining structure of a canal spillway in the field of water conservancy projects, the whole lining structure is of a V-shaped structure, and the lining structure comprises a fixed base layer, an anti-abrasion combined concrete layered lining layer and an anti-abrasion combined concrete layered lining layer, the buffer layer is poured on the surface of the solid base layer; the impact abrasion layer is poured on the surface of the buffer layer; the rigidity of the impact-wear layer is greater than that of the solid base layer; the rigidity of the solid base layer is greater than that of the buffer layer; the invention further discloses a construction method. The lining structure has the beneficial effects that the lining structure is arranged to be of a three-layer structure, the rigidity of the three-layer structure is designed in a differentiated mode, the scouring and abrasion layer on the outermost layer adopts high strength provided by UHPC to resist high-speed sand-containing water flow, and the buffer layer on the middle layer adopts rubber powder modified concrete to buffer and digest impact and compensate deformation; and the fixed base layer of the bottom layer adopts the original waste base as the material, thereby being more environment-friendly and higher in construction efficiency.

The invention provides a reservoir spillway flood regulation calculation method and device and electronic equipment, and the method comprises the steps: firstly selecting a reservoir original design flood hydrograph of a frequency corresponding to a target standard, then selecting a gate control working condition of a reservoir spillway, and carrying out the regulation calculation of the flood of the reservoir spillway based on the reservoir original design flood hydrograph and a reservoir original discharge capacity curve; and determining a reservoir design flood hydrograph and a reservoir discharge capacity curve corresponding to the gate control working condition, and then performing flood regulation calculation by adopting a water balance method based on the gate control working condition, the reservoir design flood hydrograph, the reservoir discharge capacity curve, the normal storage level of the reservoir and the water level storage capacity curve of the reservoir to obtain a reservoir flood regulation hydrograph. By adopting the method, the efficiency and the accuracy of reservoir flood regulation calculation can be improved, so that the working efficiency of reservoir project spillway type comparison and selection can be improved.

The invention relates to a device (1) and a method for generating a standing wave (100), the device comprising a structure (2) forming, in an upper part, a basin (3) having a water height (B), the basin generating a gravity-driven flow from upstream to downstream, and further comprising a plurality of zones connected successively, the plurality of zones comprising pumping means (40), a channel (50) having an opening (51) for discharging a spillway section (S), means for closing off the spillway section (S), and a zone for forming the wave (100), the zone for forming the standing wave having a maximum crest (102) height (H), a slope (103) inclination (P), a length (L), and a thickness (E) of a water cushion at the wave base (101); and further comprises means for managing the wave (100) by combined control of: the water height (B) in the basin (3); the power of the pumping means (40); and the closure of the spillway section (S), as a function of the water height (B) and the power.

The present application relates to jigging machine technical field, the present application provides a kind of jigging machine with movable baffle overflow weir, including combined body, also including inlet port, sieve plate, discharge channel and overflow device, inlet port is connected and fixedly arranged on the top side wall of combined body, two groups of sieve plates are fixedly arranged in combined body, discharge channel is fixedly arranged between two sieve plates, the bottom end of discharge channel extends combined body, overflow device is arranged on the side wall of inlet port, for blocking heavy product bed, by the above technical solution, for solving the technical problem that coal block is easily retained in gangue in prior art and discharged by fixed height overflow weir.

The utility model discloses a spillway erosion surface cleaning device which comprises an electric vehicle body, a sundry collecting mechanism, a sewage recycling mechanism, a cleaning and flushing mechanism and a water supply system, and the cleaning and flushing mechanism comprises a direction adjusting shaft, a fixing seat, a cleaning assembly and a flushing pipe. The direction adjusting shaft is rotationally arranged at the front end of the electric vehicle body and is in transmission connection with a power mechanism on the electric vehicle body, and the fixing base is fixedly connected to the front end of the direction adjusting shaft. The cleaning assembly comprises a first motor fixedly connected to the fixing base and a cleaning brush driven by the first motor to rotate. The flushing section of the flushing pipe is located at the front end of the cleaning brush. The cleaning brush is in transmission connection with the direction adjusting shaft, and when the power mechanism drives the direction adjusting shaft to rotate, the cleaning brush is driven to synchronously rotate, so that the cleaning brush can be freely switched between a horizontal state and a vertical state, and the bottom surface and the side surface of the spillway can be quickly cleaned; and the impurity collecting mechanism and the sewage recycling mechanism collect cleaned impurities and sewage, so that comprehensive cleaning of the spillway is realized.

A sloping upper surface of a dish mat is supported by nonrectangular support ribs, whose depth decreases as a function of distance from the back of the dish mat body. Angled ribs in a left portion and in a right portion of the upper surface direct fluid to a central channel, which in turn directs the fluid to a spillway. The spillway forwardly and downwardly extends into a sink at which the dish mat has been positioned.

This invention discloses a pretreatment method for ecological prevention and coordinated emergency response to colluvial deposits and landslide dams on riverbanks. It utilizes mature trees planted vertically at the slope toe, intersecting with horizontally planted mature trees on the slope surface to form a framework of living trees. Simultaneously, waterproof soil bags filled with rock and soil fragments are used to construct soil pillars or walls, providing support for the horizontally planted mature trees. The framework of living trees and the soil pillars or walls together form a retaining structure to prevent potential landslide impacts. The spaces between the soil pillars or walls create a drainage channel for the landslide dam, collectively providing ecological prevention and coordinated emergency response to colluvial deposits and landslide dams on riverbanks. This invention can replace the post-treatment technology of emergency excavation of spillways after landslide dam formation. By pre-constructing the drainage channel before the dam forms, it achieves ecological protection of riverbanks, reduces the risk of landslide damming, and is easy to construct.

This application relates to a high slope spillway reinforcement structure, belonging to the field of spillway technology. It includes a slope body and a spillway channel carved into the slope body. A box culvert is installed within the spillway channel. A reinforcement layer for reinforcing the slope body is installed between the slope body and the box culvert within the spillway channel. A rock retainer is installed on the slope body, positioned above the box culvert. Support components for supporting the rock retainer are also installed on the slope body. By using a box culvert for the spillway, it prevents landslides from blocking the spillway. The reinforcement layer connects the box culvert to the slope body, providing reinforcement. In the event of a rockfall, the falling rocks land on the rock retainer and then roll downwards. The force of the falling rocks acts directly on the rock retainer and is then transferred to the slope body through the support components. The falling rocks do not directly contact the box culvert, effectively preventing damage to the box culvert.

The invention provides an abrupt slope spillway overflow surface cavitation risk assessment method and system, and relates to the technical field of overflow surface cavitation risk assessment, and the method specifically comprises the steps: constructing a three-dimensional model, and carrying out the simulation to obtain the flow velocity, water pressure and cavitation number; calculating a Reynolds number, judging a flow state and determining a critical flow rate; the streamline curvature and vorticity are extracted, flow field separation is judged, and a risk correction coefficient is determined; clustering the initial high-risk grid units by adopting a recursive traversal method, and calculating a risk correction coefficient mean value of the region; and in combination with the cavitation number and the flow velocity, judging an initial risk level and assigning an interval, correcting to obtain a final risk level of each grid unit, and visually generating a cavitation risk point location distribution diagram of the high-risk area. According to the method, the divided high-risk region is clear in boundary and accurate in range, the actual distribution rule of the cavitation risk on the overflow surface is truly restored, the region cumulative effect of flow field separation is fused into a risk judgment system, and the cavitation effect that the risk of a continuous region is higher is met.

The invention discloses a multi-parameter collaborative wind speed optimization method for a spillway tunnel hoist chamber. The method comprises the following steps: determining an optimization variable and an optimization target based on multiple operating parameters; establishing a plurality of groups of flood discharge tunnel operation parameter samples; according to the three-dimensional geometric model of the tunnel spillway, constructing a tunnel spillway full-size three-dimensional numerical model matched with each group of operation parameter samples in the step 2, and determining the computational domain range of the three-dimensional numerical model; working condition coupling is conducted on the determined multiple groups of flood discharge tunnel operation parameter samples and the three-dimensional numerical model, numerical calculation is conducted on the three-dimensional numerical model through the computational fluid dynamics technology, and an operation parameter-hoist chamber wind speed distribution mapping data set is formed; taking each group of flood discharge tunnel operation parameter samples as an optimization variable sample set, taking the maximum wind speed of the hoist room in one-to-one correspondence with each group of flood discharge tunnel operation parameter samples as an optimization target value sample set, constructing a proxy model by adopting a Kriging interpolation method, and performing precision evaluation on the Kriging proxy model by using a cross validation method, if the precision does not reach the standard, returning to the step 2 to increase the sampling points until a Kriging agent model with the precision reaching the standard is formed; and constructing a wind speed optimization model of the flood discharge tunnel hoist room, solving by adopting an intelligent optimization algorithm to obtain multiple groups of optimal solutions, and performing multi-attribute decision on the multiple groups of optimal solutions to screen out an optimal scheme. According to the method, the wind speed optimization scheme can be effectively screened out.

The application discloses a design method of an aerator baffle for a small-slope, low-Fr-number and large-water-depth spillway, and comprises an aerator baffle of a concave baffle and a wedge body combination, and the steps are as follows: 1. collecting basic hydraulic parameters; 2. constructing a straight baffle and a wedge body basic model; 3. moving the vertex of the wedge body to the lower edge of the contact jet flow to block the backwater channel and form a cavity under the baffle; 4. under the full opening and low flow speed working condition, lifting the wedge body and moving the vertex upward to reduce the impact angle, and obtaining a stable cavity; and 5. optimizing the straight baffle into a concave baffle to ensure that the water flow is over the vertex as a whole. The design method can guarantee the stability of the aerator cavity, the smoothness of the aeration and the absence of backwater oscillation under the baffle under the complex working conditions of low Fr number and large water depth, effectively solves the aerator difficulty of the small-slope spillway, improves the anti-cavitation ability of the spillway tunnel, prolongs the service life of the project, is suitable for different spillway working conditions, and enhances the operation safety and reliability of the project.

The application relates to the technical field of slope protection, and discloses a spillway high-slope protection and reinforcement device, which comprises a slope body and a slope surface; a plurality of protection units are arranged along the length direction of the slope surface, the protection unit comprises a plurality of protection plates which are arranged along the width direction of the slope surface in sequence, and the protection plates are anchored to the slope body; a buffer plate is fixedly connected to two adjacent protection plates at both ends, the buffer plate is of a conical structure, a embedding groove is arranged in the slope body, a connecting assembly is arranged in the embedding groove, the connecting end of the connecting assembly is clamped to the buffer plate, a planting area is defined between the embedding groove and the buffer plate, and the planting area is filled with planting materials. The spillway high-slope area can be provided with more efficient protection and reinforcement effect.