470 results about "Hydropower engineering" patented technology

The invention discloses a dam safety monitoring agent system based on a multi-dimensional large model and digital twinning, and belongs to the technical field of safety monitoring of water conservancy and hydropower engineering. According to the method, a cognitive decision kernel is used as a core innovation module, multi-source data is collected by relying on a sky-ground hydraulic engineering integrated sensor network, cross-modal data fusion and anomaly recognition are achieved through a multi-dimensional large model cluster, and multi-physics coupling simulation is completed in combination with a digital twinborn body; the cognitive decision kernel generates an optimal combination scheme through case retrieval and measure unit adaptation degree calculation, a control instruction is output after digital twin rehearsal verification, and finally closed-loop control of dam safety real-time early warning, autonomous decision making and efficient disposal is achieved through an autonomous response mechanism. The problems of data island, passive response, expert dependence and the like of a traditional monitoring system are solved, the dam safety management intelligent level and the emergency response capability are remarkably improved, and the method has wide engineering application value.

The invention relates to the technical field of task scheduling management, in particular to an intelligent scheduling management method for water conservancy and hydropower engineering detection tasks, which comprises the following steps of: acquiring active power data of a unit, smoothing, differentially generating a rate and an acceleration sequence to construct a load characteristic matrix, comparing the load characteristic matrix with a steady-state threshold to generate a quasi-steady-state interval, and calculating a quasi-steady-state interval; calculating a load instruction deviation to generate a steady-state confirmation identifier, calculating a predicted steady-state window based on the identifier, if the window is longer than the minimum sampling duration, generating a trigger acquisition signal, starting vibration acquisition to generate an original waveform, and uploading the original waveform. According to the method, the load characteristic matrix is constructed through power data differential operation, load instruction deviation dual verification is combined to recognize the steady-state time period, the steady-state window length is pre-judged, and collection is triggered when the requirement is met, so that noise interference introduced by working condition fluctuation is effectively avoided, and it is ensured that original vibration waveform data originates from a stable working condition; and the data sample purity and the fault analysis value are obviously improved.

The invention belongs to the technical field of water conservancy and hydropower engineering, and particularly relates to a computer vision-based dam seepage field rapid calculation method, which comprises the following steps of: acquiring geological attribute parameters and upstream and downstream water level working condition parameters, and constructing a sample space; constructing a data set by using a dam seepage numerical model considering the spatial variability of the permeability coefficient based on the sample space; and establishing an improved conditional deep convolutional generative adversarial network model based on the data set to realize rapid calculation of the dam seepage field. The problems that in an existing dam seepage behavior analysis and research method, a numerical simulation method occupies too many computing resources and consumes long time, most agent models only pay attention to local scattered measuring points for modeling, and overall seepage field modeling at a key section cannot be achieved are solved. However, most of the current image generation researches based on computer vision neglect the generation precision problem of high-frequency details of the image, and the high-frequency edge information of the image cannot be accurately generated.

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.

The invention discloses a hydropower engineering electromechanical equipment installation detail control method based on a three-dimensional laser scanning technology, and the method comprises the steps: S1, setting and determining the instrument parameters of a three-dimensional laser scanner, and collecting the point cloud data of a target region through the three-dimensional laser scanner; s2, remotely reading the point cloud data through a computer, uploading the point cloud data to a cloud database in a file stream form, and storing the point cloud data; s3, performing iterative fitting on the plane model by using a random sample consensus algorithm RANSAC and removing inner points, fitting a target ball model by multiplexing the RANSAC algorithm in the residual point cloud data after the plane model is removed, and screening target ball parameters with the maximum number of inner points; s4, constructing a combined reference model based on the electromechanical equipment to be installed and the virtual target ball, and performing coordinate deviation value comparison with the actually measured target ball model to obtain a deviation value; and S5, generating an installation detail adjustment scheme according to the coordinate deviation value, and sending the adjustment scheme to a mobile client of the field installation personnel.

The invention discloses a water diversion structure for water conservancy and hydropower engineering, and relates to the technical field of water conservancy and hydropower water diversion devices. The filtering device comprises a filtering net cylinder; the filtering device is connected with a scraping assembly; the scraping assembly is rotationally connected with a cleaning assembly; the bottom of the water diversion box is fixedly connected with a sealing assembly; the scraping assembly is in transmission connection with the discharging assembly through the transmission assembly. The filter screen cylinder is driven to rotate through the filter device, and the filter device synchronously drives the scraping assembly to scrape impurities; the scraping assembly drives the cleaning assembly to clean the filter screen cylinder; the scraped impurities are sealed and collected by the sealing assembly, and then the transmission assembly drives the discharging assembly to be discharged in a centralized mode. The problems that in the operation process of an existing water diversion device, when impurities are discharged, water leakage is likely to be caused, and conveying efficiency is lowered are solved.

The invention belongs to the technical field of hydropower engineering construction safety intelligent monitoring, and particularly provides a hydropower engineering construction potential safety hazard image-text multi-mode intelligent identification method, system and equipment, and the method comprises the steps: collecting hydropower engineering construction potential safety hazard text and image data, and building a corresponding relation between a potential hazard text and a potential hazard image; processing the hidden danger text by using a BERT model, extracting text features, processing hidden danger image data by using a Vision Transform model of a multi-head self-attention mechanism, and extracting image features; fusing the extracted text features and image features through Gate Net to obtain fused feature expression; a feature with a higher level is extracted from the fused features through a Transform model; and classifying the processed features by using a multi-layer sensor, and outputting results of various hidden dangers. According to the method, association between a construction potential safety hazard text and an image is fully considered, an image-text multi-modal joint characterization principle based on gating circulation fusion is provided, and a construction potential safety hazard multi-modal classification identification method is provided.

The invention belongs to the technical field of ecological influence evaluation of water conservancy and hydropower engineering, and particularly relates to an aquatic food web interference simulation method for water conservancy and hydropower engineering characteristics. Comprising the steps of species background information acquisition, ingestion function class group classification, aquatic food web construction, aquatic food web interference attack, interference attack influence network propagation, aquatic food web network structure and function monitoring and simulation result output. Compared with an existing method, a food web disturbance attack mechanism and a chain propagation mechanism are introduced in the simulation method, the cumulative ecological response can be described, the interference characteristics of water conservancy and hydropower engineering are effectively simulated, and the engineering adaptability of disturbance simulation is enhanced.

The invention provides a soft rock damming safety evaluation method and system based on fuzzy analytic hierarchy process, and belongs to the technical field of water conservancy and hydropower engineering safety evaluation, and the method comprises the steps: constructing a target layer-criterion layer-index layer three-level evaluation model framework; determining indexes in the index layer according to the evaluation items of the item layer; calculating the weight of each index by adopting an analytic hierarchy process; establishing a fuzzy relation matrix; performing synthesis operation on the weight of each index and the fuzzy relation matrix by using a fuzzy synthesis operator to obtain an evaluation vector; and judging the safety level of damming according to the evaluation vector. According to the method, the confidence interval based on credibility distribution is constructed, a traditional single evaluation result is replaced, uncertainty in the evaluation process is fully reflected, a more comprehensive and scientific information basis is provided for decision makers, and therefore the decision makers are assisted to make more reasonable and reliable engineering decisions.

This invention discloses an ecological scheduling method and its application based on fish reproductive needs, belonging to the field of environmental protection technology in water conservancy and hydropower engineering. This invention specifically addresses the challenge of protecting fish that lay adhesive eggs. By establishing a population reproductive characteristic adaptation domain model (Ω(pi)), it quantifies for the first time the dynamic response relationship between water level fluctuations (proximal factor) and water temperature and flow velocity (terminal factor), breaking through the limitations of traditional ecological scheduling that only focuses on a single hydrological indicator. It achieves multi-objective collaborative optimization, balancing engineering needs such as flood control, power generation, and water supply with ecological protection through a dynamic adjustment model of ΔH(t). Through proximal factor monitoring and terminal factor feedback, it corrects the water level adjustment ΔH(t) in real time, improving the response speed compared to traditional methods. Furthermore, by dividing the control period according to the key processes of the fish life history, the water level fluctuation limit during the spawning period is more precise, providing an innovative technical method for ecological scheduling in water conservancy projects.

The invention discloses a dam body earth-rock volume generation method, system, equipment and medium, and particularly relates to the technical field of water conservancy and hydropower engineering, and the main points are that the method comprises the steps: obtaining the terrain point cloud data of a to-be-built area of a dam body and a dam body excavation area data source, and constructing a terrain three-dimensional model and a dam body excavation model; performing coordinate system conversion on the terrain three-dimensional model and the dam body excavation model by using a seven-parameter Boolean algorithm, and performing model fusion on the terrain three-dimensional model and the dam body excavation model; determining geometric parameters of layering surfaces, and performing grid sectioning on the final assembly three-dimensional model based on the geometric parameters in a Dynamo grid sectioning program to obtain a three-dimensional layering and partitioning excavation entity model containing a plurality of dam body excavation blocks and earth-rock volume of each dam body excavation block; and accessing the three-dimensional layered and partitioned excavation entity model by utilizing a pre-constructed construction progress file, and associating the construction progress with a plurality of dam body excavation blocks in the three-dimensional layered and partitioned excavation entity model to obtain a dynamic earth-rock volume curve graph.

The utility model provides an automatic welding device for water conservancy and hydropower engineering pipelines, which comprises a bottom frame, two corresponding supporting frames are fixedly arranged on the bottom frame, a movable bracket is slidably arranged on the bottom frame, a fixed bracket is fixedly arranged at the top of one end of the bottom frame, and the fixed bracket is fixedly arranged on the top of the other end of the bottom frame. A hydraulic cylinder for driving the movable bracket to reciprocate is arranged at the other end of the underframe; a lifting adjusting mechanism is fixedly erected on the top of the supporting frame, a lifting plate is arranged at the bottom of the lifting adjusting mechanism, the lifting adjusting mechanism drives the lifting plate to move up and down, and a welding mechanism is arranged on the lifting plate. A friction driving mechanism for driving the pipeline above the fixed bracket and the movable bracket to rotate synchronously is arranged at the bottom of the lifting plate; the hydraulic engineering pipeline butt-joint device can achieve tight connection of the butt-joint position of two hydraulic engineering pipelines, meanwhile, the pipelines are convenient to rotate, annular welding of the outer portions of the pipelines is achieved, and welding efficiency is improved.

The invention discloses a multi-energy cooperative power generation prediction method and system based on multivariate data fusion, and relates to the technical field of water conservancy and hydropower engineering, and the method comprises the steps: collecting meteorological, hydrological and load data, executing hour-by-hour alignment and abnormity correction, and building a wind-light-water multi-source data set; according to a low ebb, noon and peak division rule, calculating a time-sharing mean value of each energy source and performing seasonal correction to generate a power generation factor; and executing multi-energy collaborative prediction and scheduling based on the power generation factors, and updating power generation parameters by adopting a rolling verification and credibility mechanism. According to the method, the time sequence consistency and reliability of input data are improved, power generation factors are generated through time-sharing mean value calculation and seasonal correction, dynamic modeling and periodic correction of energy output characteristics are achieved, a dynamic prediction and self-adaptive updating mechanism of wind, light and water complementation is established, and the power generation efficiency is improved. Therefore, the accuracy and the scheduling response capability of multi-energy cooperative power generation prediction based on multivariate data fusion are improved.

The utility model relates to the technical field of water conservancy and hydropower construction, in particular to a supporting frame for water conservancy and hydropower engineering, which comprises a base and side supporting plates arranged on two sides of the base, one ends, far away from the base, of two groups of movable rods are rotatably mounted on one sides of the side supporting plates, and supporting rods are rotatably mounted on one sides, close to the movable rods, of the two groups of side supporting plates; the distance between the two sets of side supporting plates can be adjusted according to the width of the bottom of a foundation pit by arranging the fixed rods, the movable rods and other assemblies on the surface of the base, then the side supporting plates can be rapidly fixed through bolts, and meanwhile the two sets of supporting rods can be driven to move through the driving assembly on the top of the base; the inclination angle of the two sets of side supporting plates can be conveniently adjusted according to the inclination degree of the slope of the foundation pit, operation and use are easier and more convenient, good practicability and flexibility are achieved, and the actual construction efficiency can be further improved.

The invention discloses a water conservancy and hydropower potential safety hazard intelligent identification method and system based on image identification, and relates to the technical field of water conservancy and hydropower engineering management. The method comprises the following steps: acquiring a real-time image data sequence and an engineering facility digital twinborn model; performing space mapping and timestamp alignment on each frame of image and the digital twin model to generate a registered time-space image data set; layered feature extraction is carried out on the registered time-space image data set, and structured engineering defect features are analyzed from potential abnormal targets in combination with three-dimensional geometric structure information of a digital twin model; performing association analysis on the engineering defect features and engineering attribute information and historical operation and maintenance data of the digital twin model to judge hidden danger types of the engineering defects, and calculating risk levels of the engineering defects according to a preset risk assessment matrix; and generating a structured potential safety hazard report. The method realizes high-precision context sensing of potential safety hazards of water conservancy and hydropower and has dynamic prediction capability.

The invention discloses a concrete gravity dam structure with a cavity and a construction method thereof, and belongs to the technical field of water conservancy and hydropower engineering. The structure comprises a dam body, an anti-sliding structure, a weight reduction cavity and a gallery structure. The dam body is composed of a dam foundation arranged in the rock mass and a dam body poured on the dam foundation. The anti-sliding structure is a concrete anti-sliding plug which is formed at the bottom of the dam foundation and embedded into the bedrock. The weight reduction cavity is formed in the dam body in the axis direction of the dam. The gallery structure comprises a plurality of galleries arranged along the axis of the dam, a dam foundation grouting curtain is arranged at the bottom of the upstream gallery, and drainage structures are arranged in the galleries. By arranging the cavity in the dam and the steep dam slope, the using amount of concrete can be obviously reduced; an anti-sliding plug is used for providing passive anti-sliding force instead of resisting sliding force through dam foundation anti-sliding force generated between the self weight of a common gravity dam and a dam foundation rock mass, and meanwhile, a pre-stressed anchor cable constructed from a corridor is used for actively reinforcing and adjusting pre-tightening force so as to regulate and control dam foundation stress, so that the requirement of the dam foundation stress is met; seepage is controlled by combining a curtain and a drainage system. On the premise that the safety and stability of the dam body are guaranteed, the construction cost is effectively reduced, and remarkable economical efficiency and technical advantages are achieved.

1. The name of the design product: high-precision non-contact measurement robot. 2. The use of the design product: for automatic measurement and collection of structural angle and distance data, suitable for real-time or long-term automatic monitoring of infrastructure construction and operation such as water conservancy and hydropower projects. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

The invention relates to the technical field of water conservancy and hydropower engineering, and discloses an efficient intelligent adjustable radial gate supporting device which comprises two longitudinal supporting frames, a plurality of longitudinal adjusting assemblies are installed between the two longitudinal supporting frames in a sliding mode, and a transverse supporting assembly is arranged on the top face of each longitudinal adjusting assembly. A plurality of transverse moving assemblies are connected to the top face of the transverse supporting assembly in a sliding mode, an oil cylinder is installed on the top face of each transverse moving assembly, and accurate and synchronous interval adjustment of supporting points in the length direction of a gate is achieved through transmission fit between the longitudinal adjusting assembly and a gear rack of the first driving assembly. Meanwhile, a spline shaft rod transmission structure of a second driving assembly is used for driving a plurality of transverse moving assemblies to synchronously adjust the interval in the width direction, a guide structure is combined, it is ensured that the adjusting process is stable and free of blockage, radial gates of different length and width specifications can be flexibly adapted, and the reserve types of supporting devices in engineering are greatly reduced; and the cost of purchase, storage, replacement and debugging is reduced.

The utility model relates to the technical field of anti-sinking floating bodies for intercepting floats in water conservancy and hydropower engineering, in particular to an anti-sinking floating body for intercepting floats in water conservancy and hydropower engineering, which comprises a fixed base plate, the fixed base plate is provided with a connecting mechanism, and the connecting mechanism comprises a connecting assembly arranged at the middle section of the fixed base plate. A first assembly is arranged on the left side of the fixing base plate, and a second assembly is arranged on the right side of the fixing base plate. The structural strength can be flexibly adjusted according to water flow and load conditions through a stable frame formed by a bearing supporting plate, a truss and a top frame in the connecting assembly in cooperation with an adjustable threaded push rod, a connecting rod and a reinforcing plate. Elliptical floating balls symmetrically arranged in the second assembly provide sufficient buoyancy, an extension rod, a deflection block, a pull rope and other parts form a buffering mechanism, water flow impact and floating object impact are effectively resisted, the floating body inclination or overturning or sinking risk is greatly reduced, and long-term stable operation of floating object blocking work of water conservancy and hydropower engineering is guaranteed.

The application provides a cascade reservoir group storage and discharge dynamic coordination matching scheduling optimization method and system, and relates to the technical field of water conservancy and hydropower engineering, wherein the method comprises: obtaining the storage capacity of each reservoir in the cascade reservoir group at the current time and the designed storage capacity, and calculating the current fullness rate of each reservoir; for each pair of adjacent reservoirs in the cascade reservoir group, based on the current fullness rate of each adjacent reservoir and the preset joint regulation capacity coefficient, a weighted relative difference value representing the difference degree of the fullness rate of the adjacent reservoirs is calculated; based on the weighted relative difference values of all adjacent reservoir pairs, the coordination matching degree of the cascade reservoir group is determined. Through the application, accurate quantification, dynamic tracking and early warning of scheduling coordination are realized, and the scientificity and timeliness of scheduling decisions are improved.

The application discloses a kind of crack propagation prediction method and system of water turbine runner under transient hydraulic excitation, belong to the technical field of water conservancy and hydropower engineering, to solve the technical problem that existing prediction method cannot simulate crack propagation under transient hydraulic excitation.The application is by constructing finite element grid and level set field, encryption grid, identify enhanced node and solve runner time sequence displacement field, then calculate the stress intensity factor and energy release rate of crack front node, and calculate crack propagation direction and rate based on this, thereby update and correct level set field, to obtain the crack after expansion, to realize the accurate simulation of crack propagation under transient hydraulic excitation, provide reliable basis for runner crack monitoring, expansion trend prediction and fracture life assessment.Further, the application can track the crack propagation process from the current small condition to the penetration by multiple iterations, and accurately predict the fracture life of the runner according to the propagation law.

The application provides a ground power plant three-dimensional parameterized design method, and relates to the technical field of intelligent design of hydropower and water conservancy engineering, and comprises the following steps: S1, the plant is disassembled into unit sections, installation rooms, auxiliary plants and foundation pit excavation units, and the number of units and the layout mode are defined as global driving parameters; S2, a zero-thickness line frame skeleton containing unit center line arrays and function area mounting points is constructed based on the plant axis and terrain data; S3, unit modeling is constructed; S4, a ground power plant three-dimensional model is automatically assembled; and S5, excavation and calculation are performed, an adaptive foundation pit excavation model is generated, and the first-stage and second-stage concrete quantities are automatically separated and counted by using the second-stage mechanical and electrical embedded part envelope, so that the technical problems of complex special-shaped flow passage civil structure modeling difficulty, plant area layout adjustment complexity and inaccurate first-stage and second-stage quantity statistics are solved, and the design efficiency and construction guidance value of the hydropower engineering are significantly improved.

The utility model relates to the field of water conservancy and hydropower engineering geotechnical engineering tests, and discloses a test device for measuring rock hardness, which comprises a base, a lifting mechanism, a test piece clamp and a fixed bin are arranged at the top of the base, the lifting mechanism is mounted on one side of the top of the base, the test piece clamp is mounted on the other side of the top of the base, and the fixed bin is mounted on the lifting mechanism. According to the utility model, in the operation process, the elastic striking rod can be pressed downwards slowly at a constant speed, and at the moment that the elastic striking rod of the rebound apparatus rebounds, the stable fixed bin prevents the rebound apparatus from generating strenuous vibration due to rebound impact force; by arranging the test piece clamp, the two sides of the rock test piece are fixed, and the situation that the rock test piece vibrates when being impacted by the elastic striking rod, and consequently the accuracy of a test detection result is affected can be prevented through the arrangement of the suction cups.

The utility model provides a construction land expropriation immigrant resettlement house for water conservancy and hydropower engineering, and belongs to the technical field of resettlement houses, the resettlement house comprises a house body and a supporting mechanism, the supporting mechanism comprises a bottom plate, fixing columns are fixedly installed at the four corners of the bottom of the bottom plate, and rotatable threaded rods are rotatably connected to the interiors of the four fixing columns; the upper sides of the four threaded rods are in transmission connection with adjusting assemblies, the outer surfaces of the four threaded rods are sleeved with supporting cylinders, and the bottom ends of the four supporting cylinders penetrate through the bottom walls of the four fixing columns correspondingly and extend to the outer portions of the fixing columns to be fixedly connected with supporting pads. By means of the adjustable supporting mechanism, the problem that the stability of the house body is affected by uneven ground is solved, it is guaranteed that the house body is kept in a horizontal state on any ground, installation is simplified, and stability is improved.

The invention belongs to the technical field of water conservancy and hydropower engineering, and particularly discloses a vertical shaft inlet structure with a broken line weir, which comprises a ventilation column and a plurality of drainage plates, the ventilation column is arranged in the center of the shaft; the multiple drainage plates are arranged in the circumferential direction of the ventilation column, and an overflowing area is formed between every two adjacent drainage plates; one end of each drainage plate is fixedly connected with the ventilation column, the other end of each drainage plate is fixedly connected with the shaft wall of the vertical shaft, and the edge of each drainage plate is provided with a broken line weir. The drainage plates are arranged, so that part of water flow can be guided to the center of the vertical shaft, and the overflowing space is increased. Meanwhile, water flow can not only enter the vertical shaft along the well wall, but also overflow into the vertical shaft along the broken line weir at the edge of the drainage plate, so that the overflowing width is greatly increased, and the overflowing capacity is improved. The vertical shaft inlet structure with the broken line weir further has the advantages of being simple in structure, easy to construct and the like.

This invention relates to a nested rubber waterstop, a joint-face waterstop structure, and its construction method. It is applicable to the field of water conservancy and hydropower engineering. The technical solution adopted in this invention is: a nested rubber waterstop, characterized in that it has a fixed wing and a movable wing. The fixed wing has a cavity inside that can accommodate the movable wing. One side of the fixed wing in the width direction has an opening for the movable wing to extend from the cavity. The other side of the fixed wing in the width direction is connected to a grouting pipe communicating with the internal cavity of the fixed wing. A limiting structure I is provided on the side of the movable wing near the grouting pipe. The opening of the fixed wing has a limiting structure II that cooperates with the limiting structure I on the movable wing to prevent the movable wing from completely detaching from the fixed wing.

The invention provides a runner chamber wall thickness and void synchronous detection method, and relates to the technical field of hydro-power engineering nondestructive testing, S1, modular calibration: preparing a combined simulation block of a metal standard plate and an organic material plate, establishing a concrete water content inversion model and a void depth model segmented according to the thickness of a steel lining, and outputting calibration parameters; s2, field data acquisition: arranging measuring lines along a vertical welding seam and a longitudinal rib plate of the runner chamber, acquiring ultrasonic echo time and a thermal neutron counting rate, correcting the wall thickness in combination with the temperature of a steel lining, performing secondary verification on an abnormal measuring point, and outputting an original data set S = {}; and S3, machine learning signal processing: performing wavelet packet decomposition to extract energy ratio characteristics, and calculating thermal neutron counting rate fluctuation characteristics. Precise collaborative detection of the wall thickness and the void is realized through a link-by-link process of modular calibration, field data acquisition, machine learning signal processing, segmented collaborative modeling and Internet of Things data management.

The invention relates to the technical field of water conservancy and hydropower engineering design, in particular to a gravity dam forward design method and related products. Obtaining a standard cross section; generating a segmented three-dimensional entity model of the gravity dam; the anti-sliding stability safety coefficient of the target bank slope dam section is calculated; the stability of the target bank slope dam section is verified according to the anti-sliding stability safety coefficient, and a final design scheme of the gravity dam is obtained; according to the method, meteorological and hydrological parameter calculation, two-dimensional section design optimization and three-dimensional entity model generation are integrated, direct association and data linkage of a calculation model and a three-dimensional design model are achieved, the design cooperation efficiency is improved, and errors possibly introduced by manual data transmission are avoided.

This utility model belongs to the field of hydropower engineering construction, specifically relating to a temporary treatment structure for pipeline damage. The utility model includes a retaining wall installed within the pipeline tunnel, with the pipeline fixedly placed inside. The retaining wall is located below the construction ground level. A water-retaining cofferdam is constructed on the retaining wall downstream of the pipeline damage point, and the cofferdam and retaining wall are integrated into a single structure. The upper end of the cofferdam is higher than the construction ground level, and the cofferdam extends radially to both sides along the pipeline. A seepage-proof layer is also provided on the downstream side of the cofferdam, enclosing the pipeline. A counterweight layer is also provided above the seepage-proof layer. This utility model uses a water-retaining cofferdam to block the water flowing out of the pipeline. Furthermore, the cofferdam is directly integrated with the retaining wall, resulting in a robust structure and reduced manufacturing costs. The counterweight layer behind the cofferdam enhances its water-retaining effect.

The invention provides a flood discharge atomization protection method, and relates to the technical field of water conservancy and hydropower engineering, and the method comprises the steps: obtaining wind speed and wind direction data through a meteorological station; based on the acquired data, analyzing the influence of an environmental wind field on flood discharge atomization rainfall, determining atomization rainfall distribution, during analysis, decomposing the wind field into X-Y direction wind speed variables according to an extreme wind speed value and the most unfavorable local wind direction, and superposing the X-Y direction wind speed variables with a water tongue wind field in a windless state to complete wind field calculation; on the basis of atomization rainfall distribution, areas are divided according to atomization rainfall intensity, corresponding protection measures are taken according to the areas, and the protection measures comprise arrangement of flood discharge and energy dissipation buildings. By the adoption of the scheme, the flood discharge atomization protection effect is improved.