101 results about "Ground water level" patented technology

This application discloses a foundation pit monitoring device, which includes an inclinometer and a water level gauge. The inclinometer includes an inclinometer rod, two partition plates disposed within the inclinometer rod, and an inclinometer component. The two partition plates and the inner wall of the inclinometer rod can be closed to form an assembly cavity. Multiple first permeable holes are provided on the periphery of the inclinometer rod, allowing the assembly cavity to communicate with the outside through these holes. The inclinometer component is installed on the inclinometer rod, and the water level gauge is placed inside the assembly cavity. When foundation pit monitoring is required, the foundation pit monitoring device only needs to be arranged in a borehole. The inclinometer component can monitor the deep horizontal displacement, and groundwater enters the assembly cavity through the multiple first permeable holes, allowing the water level gauge in the assembly cavity to monitor the groundwater level. Thus, groundwater level and deep horizontal displacement can be monitored simultaneously in one borehole, simplifying the monitoring process and improving work efficiency.

This invention belongs to the field of data analysis technology and provides a data-based intelligent monitoring method and system for the safety of pit construction. The method includes acquiring horizontal displacement data, support pile stress data, lateral earth pressure data, pore water pressure data, and pit perimeter vibration acceleration data of the supported pit; determining a displacement risk coefficient based on the horizontal displacement data; determining a stress overload coefficient based on the support pile stress data; determining an earth pressure fluctuation coefficient based on the lateral earth pressure data; determining a water pressure change coefficient based on the pore water pressure data; determining a vibration damage coefficient based on the pit perimeter vibration acceleration data; and determining a comprehensive impact index. By collecting data directly related to the ongoing pit construction, the method can accurately capture the disturbance effects of vibration, stress transmission caused by soil excavation, and groundwater level changes caused by precipitation on the completed pit.

This invention discloses a method, apparatus, device, and medium for predicting groundwater levels. The method includes: acquiring historical water level data for each sub-region of a target area; for any sub-region, determining the influence coefficient of each influencing factor based on the historical water level difference of the sub-region and preset water level influence data; for any influencing factor, determining the total influence of the influencing factor on water level changes during a preset observation period based on the influence coefficient and preset water level influence data; determining the influence weight of each influencing factor based on the total influence of each influencing factor; and determining the groundwater level change trend of the target area based on the total influence of each influencing factor and the influence weight. The technical solution provided by this invention can accurately predict groundwater level trends.

Computing Apparatus for Real-Time Groundwater Level Measurement and Analysis

This invention relates to the fields of hydrogeology and water resources management, specifically to a method for evaluating the reasonable health value of groundwater levels based on multi-source data fusion and dynamic thresholds. The method includes the following steps: acquiring monitoring well water levels and multi-source data; dividing water level change periods; identifying trend response relationships and labeling their types; extracting key water levels to generate dynamic thresholds; determining the state and direction of water level shifts; locating abnormal periods and spatial locations; and obtaining a set of groundwater level health value evaluation results. In this invention, change stages are divided by water level inflection points; trend response relationships are constructed by combining multi-source data on rainfall, water intake, recharge, and surface water levels; water level change types are dynamically labeled; key water level values ​​are extracted to form elastic threshold intervals with time-series characteristics; and water level state changes are continuously judged based on these intervals to identify the shift direction and duration. This completes the trend identification and range positioning of groundwater status in both time and space, enhancing the data-driven anomaly identification capability.

This invention discloses a method and system for accident rescue risk early warning based on real-time calculation. The method includes: when a collapse accident occurs and rescue is required, acquiring surrounding rock parameters, collapse body parameters, and a expected rescue plan; constructing a finite element model based on the surrounding rock parameters, collapse body parameters, and expected rescue plan, and using the excavation advance of the expected rescue plan as the calculation advance; loading a seepage model onto the finite element model based on the expected groundwater level and initializing the steady-state seepage field, and then performing excavation simulation calculations through the finite element model; performing excavation simulation calculations in each round using the calculation advance; conducting rescue operations according to the expected rescue plan, and adjusting and recalculating the parameters of the finite element model and seepage model based on data detected during the rescue operation; when the calculation result of the finite element model exceeds the warning value, determining that there is a risk in the current rescue operation.

The application discloses a groundwater level monitor with Beidou communication and positioning technology, which comprises a base and a groundwater level monitor, the top center of the base is overlapped with the bottom of the groundwater level monitor, the back of the groundwater level monitor is movably connected with a connecting line, the other end of the connecting line is fixedly connected with a water level sensor, the top of the base is provided with a quick fixing mechanism, and the bottom of the base and the outer wall of the water level sensor are provided with protection mechanisms. Through synchronous rotation of the rotating rod and the extrusion block, the extrusion block is convenient for pushing the movable push block, the spring automatically resets the movable push block, thereby limiting the rotating rotating rod, the U-shaped block is convenient for fixing the inserted plug, the protective cover plate limits the groundwater level monitor, meanwhile, the surface of the groundwater level monitor is protected, damage is avoided, the groundwater level monitor contacts the guide wheel, and the arc-shaped elastic sheet pushes the guide plate outward.

This invention discloses a method for coordinated monitoring of horizontal displacement and groundwater level in deep foundation pits based on pattern recognition, comprising the following steps: obtaining the original coordinated monitoring sequence and timestamp information; performing time alignment processing on the original coordinated monitoring sequence to obtain an aligned coordinated monitoring sequence; performing a candidate time delay set search on the aligned coordinated monitoring sequence to obtain the current time delay updated over time; performing time delay alignment on the aligned coordinated monitoring sequence to generate a coupled feature flow and an aligned residual flow; performing ChangeFinder online change point detection on the coupled feature flow and the aligned residual flow respectively to form a coordinated scoring sequence; performing coordinated consistency gating on the coordinated scoring sequence to determine change point events and record the change point times; extracting the change point window and completing the coordinated mode category determination; and outputting graded early warning results after completing anomaly attribution discrimination. This invention improves the accuracy and reliability of coordinated monitoring of horizontal displacement and groundwater level in deep foundation pits.

The utility model discloses a kind of detection underground water level and osmotic pressure and settlement monitoring device, belong to the technical field of underground water monitoring equipment, including a kind of detection underground water level and osmotic pressure and settlement monitoring device, including large-diameter osmotic tube, small-diameter osmotic tube and protection device;The protection device is upper opening hollow shell, the large-diameter osmotic tube is communicated with small-diameter osmotic tube and is respectively fixed in the inside of protection device;The side end face of large-diameter osmotic tube far from small-diameter osmotic tube is fixedly connected with osmotic detection meter.This utility model device is not influenced by soil settlement objectively as a whole, settlement plate does not occur horizontal deviation, influence actual settlement depth monitoring.Effective solution can be made to the problem that the change of embedding elevation of osmotic pressure gauge caused by foundation settlement leads to inaccurate measurement value, soil deformation leads to cable breakage, damaged osmotic pressure gauge can also be replaced at any time.

The invention discloses a buried pipe group heat transfer simulation method considering hydraulic-geological boundary geometric mismatch, and belongs to the technical field of geotechnical engineering and underground energy storage. The method comprises the following steps: identifying a spatial relationship between an underground water level interface and a geological layering interface based on a geometric algorithm, executing in-layer sub-layer discretization processing, and generating a calculation sub-layer sequence with a hydraulic attribute mark; whether geometric mismatch exists or not is judged by comparing the depth of the top and bottom plates of each geological layer with the buried depth of the underground water level; constructing a composite analytic calculation model, and performing full space-time coupling solution on the transient thermal network in the borehole and the external heterogeneous moving finite line source field; and outputting a long-term thermal response prediction result, and performing optimization evaluation on the buried pipe system layout based on prediction data. According to the method, the complex boundary condition that the underground water level line does not coincide with the geological stratified interface is accurately described, and full coupling calculation of transient heat transfer in the pipe and stratified non-uniform convection-diffusion heat transfer outside the pipe is achieved.

This invention relates to the field of automatic control technology for rare earth mining, specifically disclosing an intelligent control system and method for in-situ leaching of rare earth minerals based on digital twins. The system collects real-time data on groundwater level, leaching agent concentration, mother liquor flow rate, and spatial geological data; calculates the leaching state vector field based on seepage mechanics and ion exchange constitutive relations; corrects the optimal injection template based on this vector field, generating dynamic injection volume distribution maps and dynamic injection concentration distribution maps; performs deviation analysis on actual injection parameters, outputting a binary map of leaching anomaly areas; spatially overlays this binary map with grade distribution maps and permeability zoning maps, analyzing the topological relationship between the injection anomaly areas and high-grade and low-permeability areas; judges the risk of leaching rate decline or leakage based on the topological relationship, generating solenoid valve opening commands and variable frequency pump speed commands for each injection well, achieving precise addition of leaching agent; this invention can improve rare earth recovery rate and reduce environmental pollution caused by leaching agent leakage.

The application discloses an underground water intelligent pumping system, and relates to the technical field of water resource collection.The underground water intelligent pumping system comprises an information processing terminal, an underground water pumping subsystem is communicatively connected to one side of the information processing terminal, and an underground water monitoring subsystem is arranged on the other side of the information processing terminal.The underground water monitoring subsystem and the underground water pumping subsystem are arranged to realize real-time monitoring of underground water level and water volume, so that the underground water resource condition can be grasped in time, a reasonable pumping scheme can be made, accurate control of the underground water pumping process can be realized, and the pumping efficiency is improved.Under the action of a water resource scheduling module, intelligent scheduling of the underground water pumping can be realized according to the actual water use condition of the surrounding area, the effective use of water resources is ensured, and meanwhile, in the process of exploitation, the geological condition and the surface river water level condition are detected in real time through a geological detection assembly and a surface water level monitoring assembly, so that environmental problems such as ground subsidence and river cutoff are avoided.

The application discloses a construction method of pile foundation hole collapse prevention, comprising the following steps: cement soil replacement construction: dynamically adjusting cement mixing amount according to underground water level and soil moisture content; calculating replacement depth according to formula; taking soil sample before replacement to determine optimal mixing amount; guide wall installation and stability monitoring: setting 6-8 settlement observation points on four corners and middle part of the guide wall after precast guide wall installation, monitoring once a day before slotting, monitoring once every 2 hours during slotting, and allowing settlement difference to be less than or equal to 5 mm; steel casing installation: immediately installing steel casing when the excavation depth in the guide wall reaches 1 / 2 of the thickness of soft soil layer or 1.5 times of the height of the guide wall. The application has the beneficial effect that the hole collapse rate is less than or equal to 2.5%, which is far lower than 16.7% of the traditional process, and the technical scheme is especially suitable for complex environments such as high water level, thick soft soil and pipelines.

The utility model discloses a riverway bank collapse simulation test equipment belongs to simulation test technical field, and it is inside be provided with two glass baffle, and the medium filling area between two glass baffle, and the overflow area between glass baffle and glass box side wall, riverway simulation area is set up in medium filling area's top middle part, a plurality of effluent holes are set up in the front wall of glass box and are communicated with riverway simulation area, a plurality of overflow holes are set up in the two side walls of glass box and are communicated with overflow area, a plurality of pressure sensor are installed on the back wall of glass box, the water level height in this scheme can be adjusted overflow area and riverway simulation area, carry out the contrast test of different submerged river water level and underground water level, and under the pressure monitoring of pressure sensor, can analyze the bank collapse tendency under different underground water level and surface water level combination condition, thereby can make accurate and effective response and protection measures.

This invention discloses a machine learning-based method and system for predicting groundwater level changes, relating to the field of hydrogeology. The method includes: standardizing multi-source time-series data to obtain a standardized multivariate time-series data matrix; constructing a supervised learning sample set; inputting the groundwater level sequence from the supervised learning sample set into a physically-guided variational mode decomposition network; decomposing the groundwater level sequence into K intrinsic mode component sequences and a residual term sequence using a loss function with physical-driven consistency constraints; for each of the K intrinsic mode component sequences, dynamically assembling a differentiable simulator from a library of differentiable simplified physical simulators, and co-training these simulators with the goal of approximating each intrinsic mode component sequence and reconstructing the original water level sequence as a whole, resulting in K fully trained assembled differentiable simulators. This invention generates reliable, visualized prediction results through multi-simulator collaborative extrapolation and uncertainty quantification.

The application relates to the technical field of building health monitoring, and discloses a building health state monitoring method based on vibration signals. The method collects vibration data of different monitoring points of a building, and obtains external influence data such as meteorological data, traffic data, underground water level data, construction activity data and earthquake activity data; after uniform time calibration and preprocessing of the above data, natural frequency, vibration energy, cepstrum, three-dimensional vibration trajectory, ground reflection wave, elastic wave propagation and external influence characteristics are extracted; the extracted characteristics are input into a building evaluation model to obtain health state evaluation results including a health index, an abnormal type and a risk level; further combined with evaluation results and spatial position relationships of buildings in a target region, a group abnormal linkage relationship is identified, regional synchronous abnormality, single-body abnormality or conduction abnormality is determined, and regional safety evaluation results and risk early warning information are generated. The method improves the accuracy and early warning timeliness of building and building group health monitoring.

This invention provides a backfill structure for manholes based on fluidized solidified soil casting. The structure includes the manhole body, a concrete cushion layer, a polyurethane waterproof coating, a ring-shaped waterstop steel plate, a fluidized solidified soil backfill layer, elastic sealant, and reinforcing components. Through multiple waterproofing designs and layered casting of self-compacting fluidized solidified soil, including the polyurethane coating, waterstop steel plate, and sealant, it solves the problems of insufficient compaction, easy leakage, and long construction period associated with traditional backfilling methods. Actual measurement data shows that this structure achieves a backfill density of ≥96% and shortens the construction period by 83%. It is suitable for municipal manhole projects, especially in areas with high groundwater levels and settlement sensitivity.

This invention belongs to the field of rock mass engineering testing devices, and provides a physical model test device and method for flood discharge fog and rain simulation, including: a model box, a water supply system, a fog and rain simulation system, and a groundwater simulation system. The model box consists of a sedimentation tank and a test chamber. The water supply system mainly consists of an inlet pipe, a storage tank, a delivery pipe, a variable frequency self-priming booster pump, a flow meter, a check valve, a bend joint, and a main water pipe. The fog and rain simulation system mainly consists of a frame, a servo motor, steel strands, fixed supports, anchors, a top water pipe, a tee joint, a bend joint, and nozzles. The groundwater simulation system includes a front water level regulating tank and a rear water level regulating tank. This invention realizes the influence of fog and rain zoning and the coupling effect of fog and rain with groundwater level on fractured rock slopes, which is of great significance for the study of the stability of high dam fractured rock slopes under flood discharge fog during the construction and operation of hydropower projects.

The present application relates to a kind of machine learning-based groundwater funnel area monitoring data processing method, belong to artificial intelligence technical field.It includes the following steps: groundwater level and space-time auxiliary feature data are collected to construct historical data set, then through the strategy of fusion time-space correlation and periodic priori, data interpolation denoising is completed, and regular sequence is obtained;Subsequently, multi-scale periodic-trend decomposition and time-frequency analysis are realized by adaptive sliding window, and multi-dimensional feature matrix is formed by splicing;Then, the spatiotemporal graph neural network of multi-scale spatiotemporal graph convolutional encoder and physically guided attention decoder is constructed, and the joint loss function of mean square error and physical regularization term fusion is designed;After obtaining the optimal model by Adam optimizer training, it is deployed to monitoring system to realize water level real-time prediction, and the development risk of funnel area is analyzed in combination with historical data and warning threshold, and early warning is issued.The present application can improve prediction accuracy and robustness, and provide accurate decision-making basis for groundwater funnel area management.

The application discloses a construction method of full-steel-casing mud-free cast-in-place pile for soft soil layer in sensitive area. The method collects underground pipelines, underground water level, soft soil layering parameters and deformation value of adjacent sensitive objects to determine the control parameters of steel casing penetration, drilling and settlement; in the process of static pressure penetration of the steel casing, the soil in the previous section of the steel casing is taken out to form a soil unloading section, then the next section of the steel casing is controlled to continue to be pressed in, and the penetration speed and correction amount are dynamically corrected according to the penetration force, vertical deviation and surrounding settlement value; then the soil is taken out in the steel casing to form a hole without mud, and re-excavation, slag removal or drilling adjustment is carried out according to the hole forming stability evaluation result; when pouring concrete, the stage lifting amount is determined according to the pouring amount and pressure, so that the bottom end of the steel casing is kept in the safe embedding range. The application can reduce the disturbance of soft soil, hole collapse, mud inclusion and pile breakage risk, and realize mud-free environmental protection construction.

This invention discloses an information measurement device and method for the river water-groundwater conversion process in arid areas, relating to the field of water flow information measurement technology. The method involves obtaining the groundwater management area, constructing an electronic groundwater management map based on the management area, obtaining the water flow conversion route from the river water in the arid area to the groundwater location, selecting groundwater conversion information measurement points based on the water flow conversion route, marking these points in a groundwater conversion model, pre-setting groundwater quality standards based on the groundwater location and marking them corresponding to the groundwater location in the groundwater conversion model, and measuring the water quality information along the water flow conversion route based on the groundwater conversion information measurement points to obtain measurement information. The data from the entire river water-groundwater conversion process in arid areas is relatively clear and explicit, which can greatly improve the accuracy of groundwater measurement.

This invention discloses a water-soil synergistic pollutant migration perspective simulation chamber, comprising: a perspective simulation chamber main body, a hydraulic boundary simulation system, a sampling system, and an environmental simulation system; the perspective simulation chamber main body is equipped with a top cover; the interior of the perspective simulation chamber main body forms an accommodating space for filling simulated soil layers; the hydraulic boundary simulation system is connected to the perspective simulation chamber main body and is used to simulate groundwater seepage driven by water level difference, precipitation recharge driven by top infiltration, and discharge processes driven by extraction, either separately or simultaneously; the sampling system is located on the front side of the perspective simulation chamber main body for collecting water samples inside the chamber; the environmental simulation system is located on the rear side of the perspective simulation chamber main body for simulating different geothermal environments. This invention can simultaneously or alternately simulate the dynamic synergistic effects of rainfall infiltration, groundwater level fluctuations, and artificial extraction on pollutant migration, thereby improving the realism of the simulation experiment.

The present invention is intended to provide an underground culvert system using a non-powered automatic control device for underground drainage / water supply that automatically supplies and cuts off agricultural water into the ground without power according to changes in the groundwater level of agricultural land. Accordingly, the present invention discloses an underground culvert system using a non-powered automatic control device for underground drainage / water supply, comprising: a perforated pipe culvert laid underground and having a plurality of water holes drilled on its perimeter surface to supply water underground; a water supply device that supplies and blocks water flowing in from the outside to the perforated pipe culvert; and a groundwater inflow pipe installed underground in the ground where the perforated pipe culvert is laid and connected to the water supply device.

The present application relates to a kind of high groundwater level deep foundation pit supporting pile between seepage water pit repair method, surface muscle net is set along the open surface of supporting pile between pit, and top stable body is formed by pouring in upper portion;First air bag and formwork top bracing bolt are used to position supporting side mold;First pressure grouting pipe and reinforcing mesh are preset in pit backfill body;Make pipe bottom anchor nail insert into first pressure grouting pipe, and support bottom plate is set;Pile side connecting groove and pile side guide rail are sequentially set on the outside of supporting pile, and first support plate and second support plate can be applied by pressing bolt and support plate pressure groove to exert pressure;First support plate is preset with grout hole, and water body that seeps out between supporting pile pit can be collected by water collecting groove.The present application can meet the reinforcement backfilling of supporting pile between pit at the same time, realizes the control exclusion of seepage water in supporting pile between pit, and protects environment.

The application relates to the technical field of underground water level monitoring, and discloses an underground water level monitor, which comprises a mounting plate, the top of the mounting plate is provided with a mounting assembly, the inner side of the mounting assembly is provided with a winding assembly extending to the bottom of the mounting assembly, the top of the mounting plate is fixedly provided with a fixed frame located below the mounting assembly, the inner side of the fixed frame is fixedly provided with a protection cylinder extending to the bottom of the mounting plate, the winding assembly extends to the inner side of the protection cylinder, the outer side of one end of the winding assembly located at the inner side of the protection cylinder is provided with a floating assembly, the bottom of the winding assembly is provided with an outer box, and the top of the mounting plate is fixedly provided with a positioning frame located above the fixed frame and sleeved with the outer side of the winding assembly. The underground water level monitor is provided with a protection mechanism, the filter screen plate can be conveniently mounted and dismounted, the underground water level monitor is provided with a supporting mechanism, and a limiting structure is arranged to prevent the monitoring equipment from colliding.

The utility model belongs to the underground water temperature monitoring field, concretely is a kind of portable underground water temperature measuring equipment for dam leakage heat source, including water temperature detector, the bottom of water temperature detector is equipped with detection head, the top of water temperature detector is fixedly connected with installation box, the inside installation of installation box is equipped with rotating component, the upper end of rotating component is slidably connected with inserting rod;Through spanner insertion installation box, rotating spanner and then drive rotating component rotation, main gear is rotated by spanner, one of main gear rotation drives internal gear rotation, the gear teeth of main gear and inserting rod are mutually engaged, and then inserting rod is inserted into hole, and then inserting rod is diffused to all around, insert hole, have played the effect of the fixation of water temperature detector, by measuring scale and the corresponding tool, water temperature detector can also be fixed at the corresponding height, and the effect of monitoring different underground water temperature.

This invention relates to the field of groundwater status assessment technology, and discloses a method for dynamic assessment of groundwater levels based on multi-source data mapping and fluid model correction. This invention aims to address the technical problems of low spatial resolution in existing satellite gravity sounding data, and the difficulty in accurately separating deep groundwater change signals from total land water storage signals, resulting in insufficient accuracy and a lack of spatial detail in groundwater level monitoring. This invention unifies the spatiotemporal reference of multi-source heterogeneous data, utilizes high-resolution surface texture features to guide the spatial downscaling reconstruction of the low-resolution gravity field; combines spectral features and the principle of thermal inertia to progressively eliminate surface water and soil water storage signals; introduces measured data to construct a spatial error correction surface for water yield parameters; and uses image connectivity analysis technology to identify groundwater funnels.

The utility model relates to rural sewage resource utilization technical field, especially a kind of rural sewage resource utilization facility, by multiple single module assembly into fabricated reinforced concrete prefabricated module combination, the space of storing, processing and utilizing sewage is formed in fabricated reinforced concrete prefabricated module combination.In the mode of gravity flow, water flow transports sewage to the space for storage, and utilizes the self-weight of sewage and multiple single module to compress fabricated reinforced concrete prefabricated module combination, which ensures its stability and realizes the setting of storage, processing and utilization space of sewage in special geology.The utility model adopts pile foundation in advance, and then carries out the rapid assembly of resource utilization facility to realize the construction of resource utilization facility in special geological area with high groundwater level, more silt geology or containing free water surface pond, river and the like, to solve the problem that there is no available land for constructing resource utilization facility after land right in existing rural area.

This utility model discloses a digging device for sandy soil environments, belonging to the technical field of sand digging equipment. It includes a rotating handle, drill rods, a column barrel, an arc-shaped barrel, a spiral drill bit, and support barrels. Several drill rods are detachably mounted on the lower part of the middle end of the rotating handle. A column barrel is detachably mounted on the lower end of the drill rods. An arc-shaped barrel is mounted on the lower end of the column barrel, and a spiral drill bit is housed inside the arc-shaped barrel. The spiral drill bit is fixed to the lower end of the top wall of the column barrel via a fixed shaft. Several support barrels are detachably mounted on the outer side of the drill rods. This device has good portability, is not limited by complex geographical conditions, and adopts a multi-segment casing splicing design, allowing for unlimited depth digging of shallow groundwater wells, saving time and labor. The excavated shallow groundwater wells can serve as long-term groundwater level observation points or shallow groundwater sampling points. The semi-enclosed design of the drill bit bottom effectively reduces the problem of sand sliding out of the drill bit due to water flow.

The application discloses an open pit slope groundwater seepage and stability coupling early warning method and system, belongs to the field of geotechnical engineering monitoring and geological disaster early warning, and the method comprises the following steps: acquiring real-time monitoring data set of the open pit slope; calculating the volume strain state of the slope rock mass unit based on the surface displacement vector data, and combining a rock mass damage evolution model to inversely calculate the permeability coefficient tensor of the slope rock mass at the current time, thereby generating a dynamic permeation parameter set; taking the rainfall data and the groundwater level data as boundary conditions, and inputting the dynamic permeation parameter set into a three-dimensional unsaturated seepage-stress coupling model for iterative calculation; and according to the pore water pressure field distribution data and the stress field distribution data, calculating the real-time stability coefficient of the slope by using a strength reduction method, generating a graded early warning signal and outputting the same. The application realizes two-way strong coupling of fluid and solid, and restores the real disaster-causing mechanism.