4754 results about "Hydraulic engineering" patented technology

The invention discloses a rock slope three-dimensional model and a block slide analysis method, and belongs to the entity structure space modeling and analysis field of rock engineering such as rock and earth engineering, mine exploitation, road engineering, water conservancy engineering and the like. The method comprises the following steps of: 1, acquiring engineering rock field structure initial data; 2, processing and extracting the engineering rock initial data; 3, constructing an engineering rock model; 4, identifying blocks and analyzing the stability; and 5, displaying the result. The method has the advantages that: the method realizes space modeling of the engineering rock slope and identification of key blocks, quickly identifies new structure surfaces in the engineering construction process, and can automatically search the key blocks, count the number and geometric information of the movable blocks and preliminarily calculate and analyze the mobility of the key blocks.

The invention relates to an underground (underwater) building waterproof device, and in particular to a vertical water-stop structure for a concrete engineering expansion joint as well as a manufacturing and construction methods for the same. The vertical water-stop structure comprises a deformation sheet and channel steel, and is characterized in that the deformation sheet is longitudinally arranged, one half is pre-buried in first-stage concrete, the other half is bulged out of a concrete section and externally arranged in a rectangular channel steel opening, and the channel steel is provided with a fixing element and filled with maltha; the surface of the channel steel opening and the section of the first-stage concrete are provided with asphalt felts at the both sides of the deformation sheet, the exposed fixing element is detached after asphalt is cooled, and then second-stage concrete is arranged. According to the vertical water-stop structure disclosed by the invention, the problem of water seepage of a water conservancy project due to the differential settlement or diastrophism of a stratum can be solved, and moreover, labour can be saved and construction period can be shortened.

The invention discloses a rock porosity real-time tester under chemical seepage and creep coupling, belonging to the rock engineering technical field, which is composed of a rock sample clamp, a chemical seepage pressure loading device, an axle pressure loading device, a surrounding pressure loading device and a porosity tester. The rock porosity real-time tester can real-timely test the porosity of a rock sample under constant pressure loading and chemical seepage coupling of three directions, having simple structure, flexible assembly, strong expandability, high stability and wide application. The rock porosity real-time tester has high application value for rock soil mass mechanical property and seepage character research under multi-field coupling condition of rock-soil engineering, hydraulic engineering, petroleum engineering, mining engineering and underground engineering and the like.

A sludge solidification method is a method for carrying out solidification treatment to the sludge produced in water conservancy projects and civil engineering. The method is that: a. the liquid water content, the clay content and organic content of dredging sludge are tested. b. curing agent is prepared: the curing agent mainly contains cement and calcium oxide which play the function of solidification; wherein, the weight proportion is between 1 : 1 to 4 : 1; waste gypsum is used as water reducing agent which occupies 1 to 8 percent of the sum of cement and calcium oxide in proportion; mealy sand or pulverized fuel ash are used as concrete aggregate which occupies 3 to 5 percent of the sum of the cement and calcium oxide in proportion; c. the curing agent-mixing ratio which is usually controlled from 5 to 20 percent is determined; sampling respectively is carried out, setting time is tested and the unconfined compressive strength which maintains 7, 14 and 28 days is tested by sampling, and the curing agent-mixing ratio finally is determined according to optimal performance price ratio; d. the sludge is carried out curing and constructing in site; mechanical devices are used for stirring the curing agent and the sludge rapidly and evenly, thereby leading the solidification to be rapid and full.

The invention discloses step-type fish passage facilities suitable for the steep slope of a high dam and a control method, and relates to intersection fields of aquatic engineering and hydraulic engineering, in particular to a fishway building suitable for the steep slope of the high dam and a fish passage control method. The fishway in the invention is a step-type fishway building established onthe steep slope of the dam body, which is combined by step-type relays of a plurality of rectangular pools, and also comprises a fish passage monitoring system, a computer automatic control system, anoverflow water fish luring device in the fishway and a fish luring device of inlet and outlet of the fishway. The invention can lead the migratory fish to pass the dam timely without injure of the migratory fish and has the outstanding features of low physical ability consumption, no inverse effects on gonadal development, high automatic degree, relative shorter fishway (steep slope) and saving investment and the like, thus fundamentally changing the defect that other structural types of fishway pass through the high dam.

The invention belongs to ecological condition project and hydraulic engineering technology field. It is based on indigene species, keeps the principle of 'from nature, excelled nature' to carry on ecology design, the designed groove, canal, river, bank, constructed swamped land, waste water processing system, and has merits of waste water process, greening and bank protection, beatifying landscape and continuous resources. Through constructing nature simulating ecological system, it can display the waste eliminating function of constructed swamped land system fully, but also it can upgrades material producing ability, and the cost is low, easy to be operated, the area is small.

This invention relates to water works engineering safety protection equipments field and a dam leak position distribution light fiber temperature sensor monitoring apparatus and its method. The apparatus is formed by connecting the double-coupler, wavelength-division multiplex, snow-slide diode, main amplifier, sampling even device and sum device, computer, driver, laser diode and sensor cable. The sensor cable has two structures: one is the sensor light cable core of fiber, and the outer layer of the fiber is metal center protective cover, water-tight isolation layer, aramid fiber, outer protective layer; the other is heating sensor cable with isolation heating conductor in one of its structures. íí

The invention belongs to the field of debris flow prevention and control engineering and hydraulic engineering and relates to a glacier lake outburst pre-warning method. A potential outburst glacier lake serves as a pre-warning monitoring region, a glacier tongue slope alpha and a glacier slope direction theta of the potential outburst glacier lake are measured and determined, meteorological data are examined to determine the average positive accumulated temperature Ty2 of glacier lake outburst points in the last two years and the many-year average positive accumulated temperature Ty of glacier lake outburst points, the positive accumulated temperature T0 before certain time and the average temperature sum T7 of seven days before the time are monitored in real time, and with a pre-warning monitoring region glacier lake outburst critical value Cr as a monitored value, glacier lake outburst pre-warning levels are divided according to the monitored value. According to the glacier lake outburst pre-warning method, the internal mechanism of the glacier lake outburst happening degree is researched by researching temperature factors and terrain factors, and a glacier lake pre-warning and forecasting model is established; influences of the temperature factors and the terrain factors on a glacier lake outburst are comprehensively considered, and the glacier lake outburst is forecast quantitatively.

The invention discloses a three-dimensional visual simulation training system and method used for professional training in terms of equipment operation and maintenance for staff of hydroelectric generation, thermal power generation, water conservancy project and the like. The system comprises a database module, an equipment model module, an operation simulation module, an overhaul simulation module and a checking system module. By combining with advanced multimedia simulation technologies, omni-directional and multi-level system training is provided to project operation and maintenance staff and managers; and the system has the advantages of high training efficiency, wide application, low training cost and the like, can be connected with existing production management systems for data information exchange and is also a practical digital training system in the real sense.

The invention discloses a pipeline dredging device for hydraulic engineering, and belongs to the technical field of hydraulic engineering pipeline dredging. The pipeline dredging device comprises a shell; cavities are formed in the left side and the right side in the shell correspondingly, a moving mechanism is arranged in the cavity in the right side, and a rotating motor is fixedly arranged on the inner wall of the right side of the cavity in the right side; a speed reducer is arranged at the output end of the rotating motor, and the other end of a connecting rotating rod penetrates throughthe left side of the shell and is provided with an adjustable dredging mechanism; and an auxiliary cleaning mechanism is arranged on the right side of the shell. The pipeline dredging device moves ina pipeline through a crawler belt, by adjusting an adjusting column, the crawler belt at the top makes contact with the inner wall of the top of the to-be-dredged pipeline, the crawler belt at the bottom makes contact with the inner wall of the bottom of the to-be-dredged pipeline, the moving mechanism is suitable for moving in pipelines with different diameters, meanwhile moving stability is high, the situation that the subsequent dredging situation of the adjustable dredging mechanism is influenced due to up-down moving is avoided, the dredging efficiency, dredging quality and using safety of the dredging device are improved, and the physical power of a worker is greatly reduced.

The invention relates to the field of water conservancy projects, in particular to a total water consumption control-based newsvendor method for the optimal allocation of water resources. The method comprises the following steps: S1, collecting water supply quantity data and water requirement data according to water distribution transferring conditions and demands for water; S2, determining the objective function and the water distributing coefficient through combining with the data collected in the step S1 and taking the comprehensive benefit of the economy, the society and the ecological environment as the maximum goal; S3, forming constraint conditions of the optimal allocation of the water resources according to data conditions in a water resource simulating system; and S4, solving a total water consumption-controlled newsvendor model for the optimal allocation of the water resources. The method disclosed by the invention has the advantages of closely integrating a current social proposition of controlling the total water consumption with dynamic change information of water market price, reflecting the influence of different total water consumption controlling index schemes onthe net income of water users, effectively coordinating relationships among drainage basin water, water demand and total water consumption control and water distributing indexes and according with water consumption characteristics of southern areas with high water consumption intensity.

The invention relates to a hydraulic engineering pipe fitting stacking industrial robot. The hydraulic engineering pipe fitting stacking industrial robot comprises a traveling device, an adjustable support, a rotary device, a three-degree-of-freedom parallel mechanism and a clamping device; the adjustable bracket is located on the rear upper side of the traveling device; the rotary device is located in the front end position of the adjustable support, and is fixedly connected with the adjustable support; the three-degree-of-freedom parallel mechanism is located between the rotary device and the clamping device; the upper end of the three-degree-of-freedom parallel mechanism is connected with the rotary device; and the lower end of the three-degree-of-freedom parallel mechanism is connected with the clamping device. The hydraulic engineering pipe fitting stacking industrial robot can realize a series of operation including grabbing, carrying and stacking of water conservancy and hydropower pipelines, is high in automation degree and stable and flexible in motion, solves such problems as high manual carrying operation cost, low efficiency and high dangerousness, the horizontal interval and vertical interval of the clamping device are adjustable, thereby facilitating grabbing of the water conservancy and hydropower pipelines with different diameter sizes, grabbing and stacking are convenient and rapid, clamping is stable and firm in the carrying process, slipping is not easy to occur, and the safety is good.

The invention belongs to the technical field of hydraulic measurement and in particular relates to a method for measuring a three-dimensional terrain. A key technology for the river model test is characterized in that: deformation of a river channel is monitored in real time in the river model test of hydraulic engineering. The method comprises the following steps of: on the basis of a binocular stereo vision principle, by using an image pick-up technology, a laser matrix light source tracing technology and a three-dimensional terrain reconstruction technology, measuring the three-dimensional morphology of a bed surface in the river model test in real time; integrating a digital video camera, a laser rectangular lattice tracing light spot transmitting device and a computer; by installing a system in a set mode, correcting camera parameters and projecting laser lattice light spots to the bed surface, tracing the bed surface of a river model, acquiring an image of the bed surface, and extracting and matching laser tracing points of a river bed in an economic, safe and high-quality mode; by using a computational formula, computing three-dimensional space coordinates of laser tracing light spots on the bed surface; and on the basis of the computer, by taking the three-dimensional space coordinates of all laser tracing light spots on the bed surface as media, generating a terrain map of the river model.

The invention discloses an adjustable pipeline cutting device for hydraulic engineering. The adjustable pipeline cutting device comprises a bottom plate, a first supporting plate, a first clamping device, a second supporting plate, a second clamping device, a first motor, a gear, an outer gear ring, a second motor, a threaded rod, a movable block, a cutting tool disc and an electric push rod, wherein the first clamping device comprises a circular shell, a clamping plate, a ratchet, a check pawl and a pressing plate. The adjustable pipeline cutting device is provided with the second supportingplate and a first sliding block, pipelines of different lengths can be cut, and adaptability is high; the first clamping device and the second clamping device are arranged, quick clamping and releasefor the pipelines can be achieved, operation is easy, convenient and quick, and working efficiency is improved; the first motor, the gear and the outer gear ring are arranged, the pipelines are subjected to circumferential cutting, the cutting speed is high, and efficiency is high; and the second motor, the threaded rod, the movable block and the electric push rod are arranged, the cutting lengthof the pipelines can be adjusted, and the pipelines of different diameters can be cut.

The invention relates to an integrated water conservancy engineering construction management system based on a big data analysis and the internet of things. The system is composed of an information acquisition and preprocessing module for collecting and preprocessing construction material information and construction personnel information, a data resource module, a service application module for providing construction management information, and a visiting user management module for providing access to a visiting user. According to the system provided by the invention, completed file data are collected while construction of one project is completed and thus the reference basis is provided for follow-up progress and cost management of the engineering construction project. Meanwhile, the management and supervision on the quality guarantee of the construction material and the daily working behavior of the construction staff are realized, so that the water conservancy engineering construction management is carried out normatively in order.

This invention discloses one water power station stream fine analogue method in water engine technique field, which can fulfill water turbine total channel three-dimensional and non-constant flow computation; computing the water turbine for three dimensional constant hollow flow and analyzing the space generation rules; reducing the water turbine pressure impulse composed of rotation wheel leakage tamper shape and length and tail tube shape; based on three-dimensional flow computation studying one generation of high property X leave modern optimization design method.

The invention belongs to the field of hydraulic engineering, and provides a model and a method for studying landslide surge propagation rules and predicting the service life of a dam, and aims to build a landslide surge model which can embody interaction of a landslide mass and a water body and can take features of the landslide surge in river channels into consideration on the premise that materials and movement states of the landslide mass are considered. According to the method, a reservoir landslide surge calculation model is built on the basis of a water wave model algorithm adopting an N-S (Navier-Stokes) equation, with combination of a numerical simulation and landslide surge model test and with use of source data acquired by relevant instruments, the rationality and universality of the built landslide surge calculation model are verified through multiple landslide surge model schemes, a lost boundary surface is introduced for consideration of a dam damage effect, not only are the landslide surge propagation rules disclosed, but also one method for predicting the residual life of the dam is worked out, and theoretical basis and scientific evidence are provided for further study of the landslide surge propagation rules and reasonable prediction of the service life of the dam.

A device for imitating sea bore in a hydraulic model test is characterized by comprising a quick lifting gate device, an upper impounding reservoir section, a sea bore section and a lower impounding reservoir section which are sequentially connected, wherein the quick lifting gate device comprises a gate, a gate groove, a pulley, a weight, a weight supporting platform, a winch and a gate groove limiting stopper. The gate, the pulley and the weight are connected through steel wires. The gate groove limiting stopper prevents the gate from sliding out of the gate groove when the gate ascends to the highest position. The weight supporting platform is used for supporting the weight in a water filling preparation stage. The winch is used for lifting the weight in a test preparation stage. The invention belongs to the field of hydraulic engineering model tests. The invention provides the device and the method to imitate the sea bore in the hydraulic model test. According to the method, dynamic water pressure of a sea bore impact structure can be measured, and the method and the device have the advantages of being reliable in method, precise in measurement and good in repeatability.

The invention relates to the field of stability estimation, monitoring and early warning of water conservancy projects, in particular to the technical field of stability monitoring and estimation of a reservoir dam. A displacement monitoring method for judging dam stability includes steps of (1) determining an integral range of a dam body and detection reticles; (2) setting a dam displacement reference monitoring point; (3) installing a monitoring device and acquiring data; (4) determining dam trend displacement statistical magnitude r; (5) determining integral trend displacement critical statistical magnitudecriterion rd of the dam; (6) analyzing and judging the integral trend displacement r of the dam; (7) calculating and determining the integral trend displacement rate k of the dam; (8) estimating the integral stability of the dam and warning instability risk. The displacement monitoring method can warn instability of the dam by levels and provides reference for protection and management of the dam.

The invention relates to a debris flow yield stress and maximum accumulation thickness calculation method, and belongs to the field of debris flow prevention and control engineering and water conservancy project. The debris flow yield stress and maximum accumulation thickness calculation method has the technical scheme that the equivalent clay mineral percent P in the debris flow body is determined according to the existing debris flow survey, and the equivalent clay mineral percent P in the flow area is set to be unchanged; according to the debris flow volume-weight value of the debris flow in the current time at different frequencies or the debris flow volume-weight value in the adjacent flow areas, the debris flow volume concentration value C0 is obtained through calculation; then, according to the particle grading values Cc and Dv, the equivalent clay mineral percent P calculated in the former step is used for calculation to obtain the debris flow yield stress tao and the maximum accumulation thickness H at different frequencies or in the adjacent flow areas. The method provided by the invention has the advantages that the yield stress and the maximum accumulation thickness of the debris flow occurring at the different frequency or in the adjacent flow areas can be more accurately calculated, and effective technical support is provided for debris flow hazard evaluation and prevention.

The invention relates to the technical field of hydraulic engineering and in particular relates to a deep-hole chemical grouting construction method applied to water leakage treatment of a hydroelectric dam. The method comprises the following steps: (1) arranging, fixing and drilling grout holes in the concrete crack fracture surface and the concrete surface respectively; (2) performing primary grouting by polyurethane; (3) performing secondary grouting by epoxy resin; (4) sealing the holes. According to the method, the technologies of fixing the holes by a similar triangle principle, performing primary and secondary grouting by polyurethane and epoxy grouting materials, grouting in a high-voltage pulse manner, grouting in a high-flow manner and the like are innovatively used, so that the problem of water leakage of the hydroelectric dam is radically solved, the reinforcement effect is achieved, a full guarantee is provided for long-term safe and stable running of the dam, a large amount of materials are saved, the construction efficiency is improved, the project progress is accelerated, and the cost is greatly reduced. Therefore, the method is suitable for popularization and application in the field of water leakage treatment of related parts such as hydroelectric dam cracks and inter-dam cross joints.

The invention discloses a hydraulic engineering vertical water stop structure and a manufacturing and construction method of the hydraulic engineering vertical water stop structure. The water stop structure comprises a red copper piece, a steel channel and a fixing device, wherein one side edge of the red copper piece is preburied in first-stage concrete, the other side edge of the red copper piece protrudes out of the fracture surface of the concrete and is arranged in an opening of the steel channel, and the red copper piece stretches into the steel channel by a certain depth; the portions, on the two sides of the red copper piece, of the opening face of the steel channel are provided with bituminous felt, and the portions, on the two sides of the red copper piece, of the fracture surface of the first-stage concrete are provided with bituminous felt; one end of the fixing device is preburied in the first-stage concrete, the other end of the fixing device is arranged on the two sides of the steel channel, the steel channel is fixed to the fracture surface of the first-stage concrete through band iron and nuts, after the steel channel is filled with maltha, the protruding part of the fixing device is cut, and then the steel channel is poured in second-stage concrete. The problem of water seepage caused by differential settlement or diastrophism of stratums in hydraulic engineering can be solved, manpower can be saved, and the construction period can be shortened.