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An integrated coastal slope monitoring method based on multi-parameter collaborative recognition
To significantly improve the prediction accuracy, response speed and management efficiency of large river bank slope disasters, an integrated bank slope monitoring method based on multi-parameter collaborative recognition is proposed. The solution includes step S1 of synchronously collecting data on bank slope displacement, pore water pressure, inclination angle, vibration frequency and environmental temperature and humidity to form an original monitoring dataset and construct a multi-parameter collaborative recognition network; step S2 of using a multi-modal data fusion algorithm to generate a fusion data matrix including spatiotemporal correlation features and perform spatiotemporal data alignment and outlier cleansing; step S3 of combining a geomechanical parameter library and a past disaster case library to output a risk level map and perform dynamic risk assessment model analysis; and step S4 of triggering a multi-level early warning mechanism and generating linked control commands including treatment suggestions to perform multi-level early warning and linked control.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
Intelligent ecological restoration system, method and device for high and steep slope of strip mine in arid region
ActiveCN120524329AData processing applicationsExcavationsEnvironmental resource managementData acquisition
The invention provides an intelligent ecological restoration system, method and device for a high and steep slope of a strip mine in an arid region. Comprising a data acquisition layer which realizes real-time acquisition of multi-dimensional environmental data through InSAR satellite remote sensing, a ground sensor network and unmanned aerial vehicle multispectral imaging; the transmission layer adopts LoRa and 5G hybrid networking; the platform layer is used for constructing a slope stability prediction and restoration scheme optimization platform based on a digital twinborn model and a deep learning algorithm; and the application layer is used for remotely controlling the repairing device through a mobile terminal and a Web terminal and monitoring the repairing progress in real time. The problems that a traditional restoration technology is poor in adaptability, low in vegetation survival rate, high in ecological restoration cost, insufficient in monitoring technology application, insufficient in monitoring feedback mechanism, insufficient in intelligence, long in ecological restoration period and the like are solved.
Owner:CENT SOUTH UNIV +1
Foundation pit deformation real-time monitoring method, device and system based on BIM technology
The invention relates to the technical field of foundation pit detection, and discloses a foundation pit deformation real-time monitoring method, device and system based on a BIM technology. The method comprises the steps of sensor layout and data acquisition, data transmission and preprocessing, nonlinear dynamic model construction, data fusion and optimization, foundation pit deformation prediction, BIM visual presentation and data display, intelligent support optimization and construction scheme adjustment. The device comprises a sensor assembly, a data acquisition interface, a 5G communication module, a central processing unit, a fusion and prediction unit, a man-machine interaction interface and an execution mechanism interface. The system comprises a data acquisition module, a data transmission module, a data processing module, a deformation modeling module, a data fusion module, a deformation prediction module, a visualization module and an intelligent regulation and control module. By adopting the multi-type sensor fusion and data assimilation technology, the high-precision and low-error foundation pit deformation monitoring effect is achieved, the monitoring data is more stable, and the monitoring precision is ensured to meet the engineering safety management requirement.
Owner:CHIFENG BRANCH OF CHINA NATIONAL NUCLEAR LAND ECOLOGICAL TECHNOLOGY CO LTD
Foundation pit safety early-warning method based on multi-source monitoring data fusion
Disclosed in the present invention is a foundation pit safety early-warning method based on multi-source monitoring data fusion. The method comprises: first constructing a foundation pit safety evaluation indicator system, and acquiring cumulative values and change rates of multi-source time-series monitoring indicators; then determining a foundation pit safety grade identification framework, using multi-source time-series monitoring data as different evidence, and performing normalization processing; then, on the basis of the multi-source time-series monitoring data, determining basic probability assignment values in the identification framework; then, separately calculating weights of multi-source monitoring indicators, and credibility; and finally, fusing multi-source monitoring data of a foundation pit, in order to obtain a foundation pit safety evaluation grade. The present invention is characterized in that the importance of different monitoring indicators and the credibility of evidence are taken into consideration while making full use of actually measured monitoring data of a foundation pit, thereby ensuring that foundation pit safety state identification is objective, avoiding interference from subjective human factors, and effectively overcoming the defects of a traditional D-S evidence theory.
Owner:GUANGZHOU INSTITUTE OF BUILDING SCIENCE CO LTD +1
Cooperative monitoring device and method for large deep foundation pit complex supporting system
The invention discloses a cooperative monitoring device and method for a large deep foundation pit complex supporting system, and relates to the technical field of foundation pit supporting. The device comprises a multi-dimensional sensor network module, a BIM-GIS digital twin platform module, an intelligent analysis and early warning module, a construction collaborative decision module, a data backup and recovery module and a remote monitoring and management module. The method comprises the following steps: step 1, carrying out multi-source data space-time registration; step 2, dynamically constructing a digital twinborn model; step 3, coupling risk assessment; step 4, construction collaborative optimization; according to the technical scheme, the method comprises the following steps of data processing, data quality control and system performance evaluation, through three innovations of deep coupling of multi-source data, dynamic model correction and intelligent collaborative decision making, a'monitoring-analysis-decision-execution 'full closed loop is constructed, technical breakthroughs are achieved in complex working condition adaptability, early warning real-time performance and construction safety, and the method has remarkable engineering application value.
Owner:CHAOFENG STEEL STRUCTURE CO LTD
Deformation and stress intelligent monitoring system for deep foundation pit supporting structure
The invention discloses an intelligent monitoring system for deformation and stress of a deep foundation pit supporting structure, relates to the technical field of deep foundation pit supporting monitoring, and is used for solving the problem of poor early warning of the deformation risk of the supporting structure. According to the method, high-density acquisition of inclination angle, deformation and stress data of a key area of a deep foundation pit supporting structure is realized by constructing a sensitivity-driven measuring point layout mechanism; the method comprises the following steps: constructing an inversion model based on stress and strain rates, obtaining a structural equivalent modulus, extracting a change rate of the structural equivalent modulus, judging a rigidity evolution trend, further constructing a modulus change rate space field, setting a region threshold by combining a disturbance sensitivity factor, realizing abnormal region identification and spatial positioning, and extracting structural response behavior information on the basis. And driving a system to trigger a grading response strategy according to an analysis result of the structure response behavior information, thereby realizing intelligent early warning of local deformation and stress instability of the deep foundation pit supporting structure.
Owner:CHINA CONSTR 4TH ENG BUREAU 6TH +2
Ecological restoration method for mine slope
The invention relates to the technical field of mine side slope restoration, in particular to a mine side slope ecological restoration method which comprises the following steps: S1, performing field investigation and evaluation, and performing comprehensive surveying and mapping on the landform of a mine side slope by using a high-precision surveying and mapping instrument; the anti-seismic effect and the prevention and control of water and soil loss are prominent, the anti-seismic performance is enhanced through deep rock mass anchoring reinforcement, large-diameter and high-strength anchor cables are adopted, bed rock is deeply stabilized, prestress is applied, the integrity of the rock mass is enhanced, reinforced concrete anti-sliding piles are arranged near potential sliding surfaces, the anti-sliding capacity is improved, and the anti-seismic effect is achieved. When a damping ditch is dug between a slope top and a blasting area, loose gravel is filled to weaken vibration energy, the anti-seismic performance of the side slope is comprehensively improved, and water and soil loss is prevented, a drainage system is constructed to intercept surface water, vegetation is reasonably configured, planting grooves and fish-scale pits are arranged, an ecological restoration composite structure layer is built, and a grass spraying and planting and vine climbing system is combined. And water and soil loss is reduced through multiple measures.
Owner:YELLOW RIVER INST OF HYDRAULIC RES YELLOW RIVER CONSERVANCY COMMISSION
Deep and large foundation pit monitoring method and system, program product and storage medium
PendingCN119321145Aovercome limitationsrich typeGeometric CADClimate change adaptationData classData collecting
The invention provides a deep and large foundation pit monitoring method and system, a program product and a storage medium, and relates to the technical field of foundation pit detection. The GPS positioning device collects foundation pit slope crest displacement data, the monitoring sensor network collects deep horizontal displacement data, the two data types complement each other, comprehensive information of surface and internal deformation of the foundation pit is provided, and the generated deep horizontal displacement curve chart visually displays the displacement conditions of the supporting structure at all depths. A potential weak area can be identified, a foundation pit excavation response data acquisition device is arranged at the maximum stress part, response data of a key position is obtained, and the quantitative index of overall deformation is provided by measuring and monitoring the position change of a central point of a sensor network and calculating the deformation amount of the foundation pit. According to the multi-dimensional and multi-type data acquisition and integration method, the description comprehensiveness of the foundation pit environment is improved, potential risks can be judged more accurately, and limitation caused by a single data type is overcome.
Owner:ANENG CHONGQING CONSTR DEV CO LTD
Grouting method and system for enhancing stability of strip mine slope
PendingCN120805600AFoundation testingDesign optimisation/simulationClassical mechanicsStructural engineering
The invention discloses a grouting method and system for enhancing strip mine slope stability, and belongs to the technical field of slope protection. The grouting method comprises the steps that early-stage data are pre-collected, and an analysis model is established; grouting is designed according to a model analysis result; a pressure-resistant grouting pipe is installed and connected with a grouting pump; grouting parameters are adjusted in real time according to feedback of the sensor; after grouting, all data in the grouting holes are analyzed; outputting a slurry permeation three-dimensional cloud picture, a stress change curve and a stability evaluation index; and storing all monitoring data and model parameters. A cyclic self-adaptive system is formed, it is ensured that the grouting process is efficient and accurate, the overall stability is improved for heterogeneous rock mass, dependence on a static geological report is reduced, and therefore the problem that grouting parameters depend on engineering experience or conservative of the static report is avoided.
Owner:CHINA MINMETALS CHANGSHA MINING RES INST
Soft soil deep foundation pit earth excavation construction scheme planning method and system
The invention relates to the technical field of design analysis, in particular to a soft soil deep foundation pit earth excavation construction scheme planning method and system.The soft soil deep foundation pit earth excavation construction scheme planning method comprises the following steps that a three-dimensional geological model is built based on geological exploration data, and rheological parameters, shear strength parameters and permeability coefficients of all soil layers are extracted to serve as layering parameters; according to the layering parameters and preset supporting structure rigidity parameters, a soil body rheological rate compensation coefficient is calculated, and an earthwork block excavation scheme with the grading thickness difference is generated; and in the excavation process, the displacement rate and pore water pressure data of the supporting structure are collected in real time, and when a monitoring value exceeds a preset threshold value, a dynamic adjustment instruction of the block excavation scheme is triggered. According to the method, the layering thickness and the blocking form are intelligently controlled according to different sensitivity levels, the matching coping capacity for soft soil instability inducements is improved, and the limitation that a single physical parameter dominates in traditional blocking design is broken through.
Owner:长大市政工程(广东)有限公司
Ecological slope protection structure and construction method thereof
The invention discloses an ecological slope protection structure and a construction method thereof.The ecological slope protection structure comprises an ecological vegetation layer formed by splicing a plurality of units, and a vegetation planting groove is formed in each unit; the regulation and control layer comprises a honeycomb-shaped coarse aggregate layer, a corrugated plate laminated middle aggregate layer and a fractal tree-root-shaped fine aggregate layer of which the porosity decreases progressively from top to bottom; the drainage mechanism comprises a drainage channel in the ecological vegetation layer, a porous drainage framework and a water collecting well arranged at the slope bottom; the anchoring mechanism comprises a plurality of umbrella-shaped expansion anchor rods, and the lower end of each anchor rod is perpendicular to the slope surface and is inserted into the slope surface soil layer; the lower end of each anchor rod is provided with four sets of extensible 120-degree arc-shaped anchor flukes, and the surfaces of the anchor flukes are provided with bionic ground gripping grooves consistent with the anti-sliding ribs in trend. By innovatively designing the ecological vegetation layer, the regulation and control layer, the drainage mechanism and the anchoring mechanism, stability of the slope protection structure in mechanical property and sustainable development of the ecological environment are achieved, and coordination and unification of vegetation growth and slope stability are promoted.
Owner:SINOHYDRO BUREAU 6 CO LTD
Foundation pit slope protection pile concrete strength evaluation and intelligent reinforcement integrated method and system
The invention relates to the technical field of civil engineering, and discloses a foundation pit slope protection pile concrete strength evaluation and intelligent reinforcement integrated method which comprises the following steps: S1, data acquisition and transmission: acquiring a slope protection pile structure state and environmental parameters in real time through a multi-source sensor network, the sensor network comprises a mechanical sensor, an environment sensor and a hydrological sensor which are deployed in a spatial distribution manner; s2, data preprocessing and feature extraction: performing space-time fusion processing, including noise suppression, space-time reference unification and multi-dimensional feature extraction, on the acquired multi-source sensing data, and generating a structured feature matrix; according to the technical scheme, the multi-source sensor network and the deep learning model are combined, the strength of the foundation pit slope protection pile concrete is monitored and evaluated in real time, the accurate and lossless strength prediction effect is achieved, the problems of destructive testing and precision limitation are avoided, and the test efficiency is improved. The defects of low precision and poor real-time performance under complex geological conditions in the prior art are overcome.
Owner:BEIJING ZONGJIAN TECH CO LTD
Optimized layout method of closed conduit-side slope system based on weak intercalated layer control
The invention discloses a weak intercalated layer control-based closed conduit-slope system optimization layout method, which comprises the following steps of S1, geological survey and parameter acquisition: accurately positioning a weak intercalated layer through a geological radar and drilling coring, and determining a rock-soil body strength parameter by combining a laboratory rock-soil mechanical test, geological radar data and rock-soil body strength parameters are analyzed through a random forest algorithm, and the interlayer space distribution rule is predicted. By combining geological survey, numerical simulation, intelligent optimization and dynamic monitoring technologies, scientific layout and adjustment of a closed conduit-side slope system are realized, a weak intercalated layer seepage path is accurately cut off, the safety coefficient of the side slope is effectively improved, meanwhile, expansion of a plastic zone is effectively inhibited, settlement of an overlying soil body or large-range deformation of the side slope is reduced, and the stability of the side slope is improved. The seepage stability and the stress slow release capacity of the system are enhanced, the safety of the water diversion project in a complex geological area is improved, and an operable technical path and basis can be provided for layout of similar projects in the future.
Owner:SHIHEZI UNIVERSITY
Assembly type reinforced concrete-steel structure foundation pit supporting system convenient to disassemble and construction technology
PendingCN119640814AEasy to removeReduce supporting costsExcavationsBulkheads/pilesSupporting systemConcrete beams
The invention relates to the field of constructional engineering, and discloses an assembly type reinforced concrete-steel structure foundation pit supporting system convenient to disassemble and a construction technology, and the assembly type reinforced concrete-steel structure foundation pit supporting system comprises a top beam, a waist beam, a supporting pile and an inner supporting system; the inner supporting system is formed by assembling a standard steel-concrete beam section main support and a steel member auxiliary support in cooperation with a jack adjusting system. The invention further provides a new system on-site assembly construction process, namely detailed steps of assembly construction from the uppermost layer to the lower layer step by step. The fabricated structure integrates the advantages of two fabricated structures, is suitable for foundation pit supporting with large stress and strict deformation control, and has the advantages of being high in construction speed, short in construction period, low in construction cost, convenient to dismantle and capable of completely recycling most of inner supporting components compared with a traditional cast-in-place steel-concrete foundation pit supporting system.
Owner:THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD +2
Deep foundation pit excavation deformation real-time monitoring system based on relative measurement
The invention discloses a deep foundation pit excavation deformation real-time monitoring system based on relative measurement. The deep foundation pit excavation deformation real-time monitoring system comprises a relative measurement sensor group, a data acquisition and preprocessing module, a wireless data transmission module, a cloud data processing and analysis module, an intelligent risk assessment module, a visual alarm module and a solar power supply and energy storage management module. The relative measurement sensor group collects deformation data of the deep foundation pit, the data acquisition and preprocessing module performs primary processing on the data, the wireless data transmission module stably transmits the data to the cloud, the cloud data processing and analysis module performs deformation prediction, and the intelligent risk assessment module performs risk grading. The visual alarm module gives an alarm in real time and carries out emergency notification according to different risk levels, and the solar power supply and energy storage management module guarantees continuous operation of the system. The system solves the problems of measurement precision, data transmission, risk assessment, power supply stability and the like of an existing monitoring system, provides powerful support for safe construction of the deep foundation pit, and has remarkable benefits.
Owner:CHINA RAILWAY 16TH BUREAU GRP ROAD & BRIDGE ENG CO LTD +2
Pre-disintegrated soft rock embankment structure based on spatial function zones and design method thereof
A pre-disintegrated soft rock embankment structure based on spatial function zones and a design method thereof are provided. The embankment structure includes an embankment shear control zone, an embankment settlement control zone, and an embankment shear-settlement control zone. The embankment shear control zone is a zone in which a shear failure ratio is greater than a predetermined value. The embankment settlement control zone is a filled zone right below a top surface of an embankment. The embankment shear-settlement control zone is an intersection of the embankment shear control zone and the embankment settlement control zone. The provided structure and method improve the shear strength, stability, and durability, reduce footprint, shorten a settlement duration after construction, and solve engineering problems such as low slope ratio and large deformation of an embankment due to a long period of subsequent disintegration in the prior art.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Slope early warning method and system based on optical fiber sensor
The invention discloses a side slope early warning method and system based on an optical fiber sensor, and relates to the technical field of side slope monitoring, and the method comprises the steps: collecting side slope deformation monitoring data and environment monitoring data, and carrying out the preprocessing of the collected deformation monitoring data; a causal association rule between the environment monitoring data and slope deformation is constructed, and the deformation space distribution range of the whole slope is predicted based on a BP neural network; and taking the slope deformation monitoring sequence as a sample, training an RNN neural network, predicting the development trend of slope deformation, carrying out early warning analysis on the overall stability of the slope, and generating an early warning result through an alarm device. According to the method, the causal association rule is constructed, the environmental monitoring data and the deformation data are combined, the space prediction precision is improved, the RNN neural network is used for training the time sequence data, and the development trend of slope deformation can be effectively predicted; and in combination with the spatial distribution data, a future deformation trend analysis and early warning result is generated, so that the timeliness and accuracy of early warning can be improved.
Owner:MINDONG HYDROPOWER DEV CO LTD +1
Foundation pit steel support axial force servo regulation and control method based on digital twinning
The invention relates to a foundation pit steel support axial force servo regulation and control method based on digital twinning, and the method comprises the following steps: S1, constructing a foundation pit deformation prediction agent model with key soil parameters and servo steel support axial force as input through a foundation pit engineering simulation module; s2, an internet-of-things monitoring module is used for collecting foundation pit deformation data and servo steel support axial force data through an internet-of-things monitoring system; s3, a soil mass parameter updating module which takes the foundation pit deformation prediction agent model in the S1 as a forward calculation model in probability back analysis, and updates a posterior sample of soil mass parameters through a data assimilation technology in combination with the Bayesian theorem; and S4, a deformation prediction and axial force regulation and control module is used for predicting the deformation of the foundation pit in the next stage and providing an axial force servo regulation and control scheme. The method is based on a digital twinning technology, a deep learning algorithm and a data assimilation technology, the influence of an axial force set value in a servo system on foundation pit deformation is analyzed, and a scientific and reasonable foundation pit steel support axial force servo regulation and control scheme is provided.
Owner:ZHEJIANG UNIV OF TECH
Full-recovery prestressed square pile and latticed column combined upright pile construction method
InactiveCN119571839ASimple construction operationImprove construction efficiencyFoundation testingExcavationsConvertersPurlin
The invention discloses a fully-recycled prestressed square pile and latticed column combined stand column pile construction method, and belongs to the technical field of green foundation pit supporting. According to the construction method of the fully-recycled prestressed square pile and latticed column combined stand column pile, the prestressed square pile serves as the lower section of the stand column pile and is organically combined with the latticed column, the stand column pile can be pressed into the designed elevation through static pressure equipment, and the construction method has the advantages of being low in construction cost, high in construction efficiency, free of pollution and the like; the stand column piles are integrally pressed into a soil body, the foundation pit soil body is excavated layer by layer, concrete supports and surrounding purlins on the periphery of a foundation pit are supported layer by layer through self-servo hydraulic converters and supporting cross beams, foundation pit construction operation is easy and efficient, and construction is safer and more stable; moreover, after a bottom plate and structural floor slabs of all layers are built, the stand column piles can be recycled by 100%, zero emission is truly achieved, the low-carbon, environment-friendly and green construction effects are achieved, in addition, sensors can be arranged in the pile sections of the prestressed square piles, and foundation pit full-section monitoring and deformation control are achieved.
Owner:JIANGSU JIANYUAN CONSTR CO LTD +1
Ecological protection device for slope drainage and regreening
The invention discloses a slope drainage and regreening ecological protection device, and belongs to the technical field of slope protection. The device is composed of an intercepting ditch, a drainage ditch, a concrete supporting structure and an irrigation structure. The intercepting ditch is located at the top of the slope, located at the bottom and responsible for intercepting and dredging water flow. The concrete supporting structure comprises a concrete frame and reinforcing piles, the frame forms a rectangular planting area on the slope surface, the reinforcing piles penetrate into the slope, and a stable foundation is provided for regreening. A spray-seeding material layer is arranged in the planting area, and the surface layer is covered with a grid. The irrigation structure comprises a water storage cavity, two water pumping structures and an irrigation cavity and can collect rainwater and irrigate according to needs. The device has obvious advantages, the drainage system reduces water and soil loss and geological disaster risks, and the vegetation coverage rate is increased through the regreening design. Meanwhile, water resource recycling is achieved through the water storage irrigation function, manpower and water resources are saved, the high efficiency and sustainability of slope ecological protection are guaranteed, and important application value is achieved in the field of slope protection.
Owner:贵州省水城公路管理局
Construction method and system for foundation pit excavation and supporting under complex geological conditions
The invention discloses a complex geological foundation pit construction method and system based on intelligent monitoring and self-adaptive supporting, and the method comprises the steps: carrying out the investigation of a construction region, and obtaining the investigation data; constructing a three-dimensional geologic model based on the survey data; designing a supporting structure based on the three-dimensional geologic model; based on the designed supporting structure, construction is conducted, and the construction process is monitored in real time; and dynamically adjusting an excavation sequence and a supporting scheme in combination with the three-dimensional geologic model and monitoring data to finish construction. The method has remarkable innovativeness and practicability in the field of foundation pit construction under the complex geological condition, the construction risk can be effectively reduced, the construction period is shortened, the construction quality is improved, and the method has wide application prospects and remarkable economic benefits.
Owner:CHINA UNIV OF MINING & TECH
Pole tower footing slope stability limit balance evaluation method under lightning impulse condition
PendingCN119413993AAccurate and stableimprove accuracyClimate change adaptationMaterial strength using tensile/compressive forcesLightning strokesExtreme weather
The invention discloses a tower footing side slope stability limit balance evaluation method under a lightning impulse condition, which comprises the following steps of: simulating a lightning stroke side slope tower test in a laboratory by inputting a potential sliding surface parameter and a rock-soil body material parameter of a certain side slope; calculating to obtain a conversion coefficient of the stress variation of the potential sliding surface of the side slope and heat generated by lightning impulse current, and further obtaining a calculation formula of the stress variation value of the potential sliding surface of the tower footing side slope of the tower under the lightning impulse condition, and taking the stress variation value of the potential sliding surface of the tower footing side slope of the tower under the lightning impulse condition as an input parameter; according to the method, the stability safety coefficient of the slope is calculated, the stability of the tower footing slope under the lightning impulse condition is evaluated according to the stability safety coefficient, accurate evaluation of the stability of the tower footing slope under the condition that the lightning impulse influences the stability of the tower footing slope is achieved, and the accuracy of slope stability analysis under the extreme weather condition is improved.
Owner:STATE GRID SICHUAN ECONOMIC RES INST
Slope protective net stabilizing and fixing device and mounting method thereof
Owner:SHANDONG TRAFFIC PLANNING DESIGN INST +1
Flexible ecological comprehensive supporting system for expansive soil side slope
PendingCN119434291Aimprove stabilityresist erosionExcavationsCultivating equipmentsEnvironmental engineeringDitch
The invention belongs to the technical field of rock-soil side slope protection, and particularly relates to an expansive soil side slope flexible ecological comprehensive supporting system which comprises an intercepting ditch, a vegetation protection layer, a composite waterproof layer, flexible anchor rods, water seepage and drainage pipes, cultivation and planting soil, a drainage ditch, a backfill soil layer, a step-shaped slope surface, a slope surface and slope protection vegetation. The slope surface is excavated into a step-shaped slope surface, a composite waterproof layer, expansive soil backfill soil, a vegetation protection layer and cultivation and planting soil are sequentially arranged on the step-shaped slope surface from bottom to top, and slope protection vegetation is planted and formed on the cultivation and planting soil; the composite waterproof layer is fixed to the step-shaped slope face through the flexible anchor rods. The vegetation protection layer and the slope protection vegetation together reinforce the shallow soil body, and the composite waterproof layer and the flexible anchor rod play a role in absorbing and relieving the received expansive force. The method has an ecological greening effect, has the functions of common supporting of the shallow surface layer and the deep layer of the expansive soil slope, flexible reinforcement and expansion reduction and allowable generation of a small amount of deformation, is simple in construction and high in efficiency, and can realize long-term stability of the shallow surface layer and the deep layer of the expansive soil slope.
Owner:WUHAN ENGINEERING CO LTD OF CHINA RAILWAY SEVENTH GROUP
High and steep slope hanging net anchoring device and construction method thereof
The invention provides a high and steep slope hanging net anchoring device and a construction method thereof, the high and steep slope hanging net anchoring device comprises a winch and a device main body, and the winch is connected with the device main body through a pull rope on the winch; the device body comprises a frame body, moving wheels are arranged at the four corners of the frame body, a net roll in linkage with the moving wheels is arranged between the two moving wheels located on the rear row, and an anchoring mechanism is arranged at the top of the frame body and anchors the net roll from the front of the frame body. Through cooperative work of the winch and the device body, meanwhile, the net roll is arranged between the rear row of moving wheels, laying work of the net piece can be completed through lowering of the device body, the flatness is ensured, meanwhile, net piece tensile deformation caused by traditional manual dragging can be effectively avoided, and the laying efficiency is improved by pausing lowering in the laying process. The anchoring mechanism is used for completing anchoring work of the meshes, cooperative work of automatic mesh hanging and anchoring is achieved, then construction risks are reduced, and meanwhile construction efficiency is improved.
Owner:THE FIRST CONSTRUCTION COMPANY OF CCCC SECOND HARBOR ENGINEERING CO LTD +1
Online simulation analysis method, system and equipment for foundation pit safety assessment and medium
PendingCN120257736AGeometric CADDatabase distribution/replicationStructural deformationData acquisition
The invention relates to the technical field of safety assessment of building construction, and discloses an online simulation analysis method for safety assessment of a foundation pit, which comprises the following steps: S1, data acquisition, cleaning and preprocessing: acquiring soil pressure, underground water level, structural deformation, temperature and humidity information around the foundation pit by deploying a plurality of sensors, the invention further provides an online simulation analysis system for foundation pit safety assessment, online simulation analysis equipment for foundation pit safety assessment and a computer readable storage medium. The deep reinforcement learning algorithm, the intelligent early warning mechanism and the distributed storage and encryption technology are introduced, real-time monitoring, accurate early warning and data safety guarantee of foundation pit safety assessment are achieved, and the safety, efficiency and reliability of the foundation pit construction process are improved.
Owner:BEIJING ZONGJIAN TECH CO LTD
Combined precipitation and drainage system suitable for strip mine side slope upper layer stagnant water treatment
ActiveCN222513197Uprevent infiltrationreduce erosionExcavationsSewer pipelinesSoil scienceWater flow
The utility model discloses a combined dewatering and drainage system suitable for treating stagnant water on the upper layer of a strip mine side slope. An inclined drainage hole (1), a vertical drainage hole (2) and a drainage ditch (3) are combined to form the combined dewatering and drainage system. Sleeves are arranged in the inclined drainage hole (1) and the vertical drainage hole (2) within the depth of a fissure zone, a hard permeable pipe penetrates through the sleeves and extends into the inclined drainage hole (1) and the vertical drainage hole (2), and a water stop plug is arranged in an annular gap between the hard permeable pipe and the wall of the inclined drainage hole (1) and the wall of the vertical drainage hole (2). And a plurality of water permeable holes are formed in the hard water permeable pipe below the water stop plug in the vertical drainage hole (2) and the hard water permeable pipe within the water stop plug in the inclined drainage hole (1). The water pressure near the water-resisting layer is reduced through the continuous gravity drainage effect, the rainfall cost is reduced, the erosion influence of water flow on slope cracks is avoided, and the overall stability of the strip mine slope is improved.
Owner:SINOSTEEL MAANSHAN INST OF MINING RES CO LTD
Model test device and method for stratum excavation and grouting reinforcement
The invention relates to the technical field of underground engineering groove wall stability physical simulation, and discloses a model test device and method for stratum excavation and grouting reinforcement, and the model test device comprises a grooving construction module, a grouting support module and a dynamic monitoring module. The device adopts a pressing plate method to simulate a grooving excavation process, so that the device conforms to an actual excavation working condition from top to bottom; a servo motor drives a power lead screw to drive a model groove to move downwards, so that a free face is formed in a sand layer, and the actual excavation working condition is simulated; a water tank for storing fresh slurry is pressurized by using an air compressor, so that the slurry overflows from the hollow model groove section, and the permeation and invasion process of the slurry is simulated; and a water and soil pressure gauge and a matched acquisition device are arranged in the sand layer, and a soil displacement field is obtained by utilizing a particle image velocity measurement system, so that the visualization of the whole process of excavation-grouting-invasion is realized. It is ensured that simulation results are highly matched with actual working conditions, and accuracy and reliability are improved.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER +2
Anchoring device for geological disaster control
ActiveCN222349680UIncreased shear strengthImprove skid resistanceExcavationsReceptacle cultivationRubber ringSoil science
The utility model belongs to the technical field of geological disaster control, and discloses an anchoring device for geological disaster control. Comprising an anchoring pipe, a flowerpot, a rubber ring, a supporting rod and an inserting rod, vent holes are formed in the outer side of the flowerpot in an array mode, a mounting hole is formed in the bottom of the flowerpot, a filtering cover is mounted in the mounting hole, and the bottom of the filtering cover is attached to the anchoring pipe and the top of a mounting ring. The screw rod, the rotating ring, the transmission rod and the supporting rod are additionally arranged, the supporting rod is unfolded when the screw rod rotates, the anti-skid and anti-falling effects of the anchoring pipe are improved, the flowerpot and the anchoring pipe are fixed through the bolt, flowerpots of different sizes can be replaced according to plants of different thicknesses, the bolt is covered with the rubber ring, the bolt can be prevented from rusting, and the service life of the flowerpot is prolonged. The filter cover and the rotary drum are added, and when the water level of underground water rises, the underground water seeps through the filter screen of the rotary drum and the filter cover, so that the water content of slope soil is reduced, the shear strength of the soil body is improved, and the slope stability is further improved.
Owner:HUNAN TIANJILING CONSTR ENG CO LTD
Safety monitoring device and method for construction of deep foundation pit adjacent to railway
InactiveCN119507496Areduce errorGuaranteed reasonablenessImage enhancementGeometric CADTrackwayArchitectural engineering
The invention relates to the technical field of safety monitoring of deep foundation pit construction adjacent to railways, and particularly discloses a safety monitoring device and method for deep foundation pit construction adjacent to railways. The system comprises a supporting structure safety analysis module, a settlement risk analysis module, a train passing construction safety evaluation module, a geological level risk evaluation module, a displacement level risk evaluation module, a database and a construction process construction safety evaluation module. Whether the construction of the deep foundation pit is safe or not is analyzed from the two levels of the safety change condition of the deep foundation pit when a train passes and the safety change condition of the deep foundation pit in the long-term construction process, that is, the deep foundation pit risk is automatically monitored from the four levels of the foundation pit supporting structure, the rail settlement risk, the foundation pit geology and the foundation pit displacement; the method avoids neglecting the instant safety risk, helps to evaluate the instant influence on railway facilities, and can grasp the overall safety trend, thereby helping to adjust the construction strategy and maintenance measures in time.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +2