342 results about "Rock slope" patented technology

The invention discloses a rock slope risk assessment method and system based on artificial intelligence, and belongs to the technical field of geological disaster risk assessment.The rock slope risk assessment method comprises the steps that a slope three-dimensional digital model is constructed, and geological-environment-monitoring data are integrated; extracting spatio-temporal characteristics, and predicting a landslide risk probability; quantifying a risk space diffusion path, and identifying a high-risk area; the early warning threshold value is dynamically adjusted, and accurate early warning is achieved; the problems that in the prior art, how to integrate multi-modal data (geological data, environment data and monitoring data) to achieve real-time sensing of the slope state and how to construct a deep learning model with high generalization ability to deal with risk prediction under the complex geological condition are solved. The problem of how to establish a risk transfer model considering spatial heterogeneity to improve high-risk area identification precision and how to realize dynamic adaptive adjustment of an early warning threshold to match personalized risk features of different slopes is solved.

The invention relates to the technical field of fracture network fracture water channel identification, and discloses an identification method for analyzing a dominant flow channel in a three-dimensional fracture network based on a topological network. According to the method, probability distribution parameters such as geometric occurrence, gap width and density of a rock mass multi-scale fracture system in a target area are obtained through field surveying and mapping and three-dimensional scanning, and a spatial topological structure of the three-dimensional fracture system is reconstructed by adopting Monte Carlo method simulation and discrete fracture network modeling technology; secondly, abstracting the fracture network into a three-dimensional topological graph model based on a graph theory principle, defining fracture center points and cross points as graph nodes, and converting fracture sections into weighted edges; the method breaks through the continuous medium hypothesis limitation of traditional seepage analysis, and has important engineering application value in the fields of deep geological energy storage reservoir seepage risk assessment, shale gas fracture network optimization design, rock slope stability analysis and the like; compared with a traditional numerical simulation method, the method has the technical advantages of being high in calculation efficiency, good in prediction precision, high in multi-scale applicability and the like.

The invention relates to the technical field of rock monitoring, in particular to a safety monitoring method and system for a rock slope, which is characterized in that an abnormal focusing area is generated through gradient change and density sudden change judgment, a basic entrance for early risk identification is constructed, the positioning accuracy of a crack sensitive section is enhanced, and the safety of the crack sensitive section is improved. The identification precision and the dynamic intervention capability of the potential risk area of the rock slope are enhanced, the linear features of the boundary response are extracted through the convolutional neural network, the identification and the reconstruction of the crack main extension path are realized, and the method combines the direction sorting and the structure continuity analysis to improve the reliability of the crack main extension path. Closed fitting and stable connection node labeling of a crack path are completed, a traceable structural framework is provided for subsequent trend analysis, dynamic modeling of crack migration evolution is achieved through comparison recognition of a displacement direction and an angle abrupt change point, a closed path grid can be constructed in a crack direction reversal area, and the dynamic modeling of crack migration evolution is achieved. And the dynamic response layout of the crack control structure is realized.

The invention relates to a rock slope support model construction scheme generation method and device, equipment and a medium. According to the method, a three-dimensional geological model fusing geological information and rock mass parameters is constructed, an initial damage field is obtained in combination with micro-seismic monitoring data and statistical learning inversion, and then a constitutive model capable of reflecting the damage and plastic coupling evolution law is established and calibrated; the model is used for dynamically predicting a spatio-temporal evolution path of a potential slip plane in the excavation process, the supporting opportunity and position are accurately judged based on the stress and damage state in the path, a spatio-temporal sequence scheme is generated, and finally optimal supporting parameters are solved through the multi-objective optimization model. And finally, a set of dynamic support construction scheme capable of actively controlling damage development and giving consideration to safety and economical efficiency is integrated and output, technical spanning from passive reinforcement to active intervention and from static design to dynamic optimization is achieved, and the accuracy and reliability of slope support are effectively improved.

The invention relates to the technical field of geotechnical engineering safety monitoring and evaluation, in particular to a soft rock slope stability dynamic evaluation method which comprises the following steps: S1, acquiring slope environment parameters, construction parameters and geological basic parameters; s2, through simulation of the whole rainfall infiltration process, the spatio-temporal evolution characteristics of pore water pressure in a slope rock stratum are quantified, the aging relation between soil shear strength degradation caused by rainwater and slope displacement is analyzed, and a slope instability threshold calculation model is established; and S3, analyzing the monitored deformation and displacement cumulative effect of the slope and the migration characteristics of the rock stratum slip plane under the load action of the construction vehicle, and constructing a rock stratum instability risk assessment model based on the construction parameters. By comprehensively considering the influence of environmental parameters, construction parameters and geological basic parameters on the slope stability, dynamic evaluation and graded early warning of the slope stability are realized, a construction scheme can be pre-evaluated, and a construction reference is provided for safety management and control of a soft rock slope project.

The invention discloses a rock slope sliding interface identification and degradation monitoring method based on distributed sound wave sensing. The monitoring method comprises the steps that a plurality of vibration sensing optical cables are vertically arranged in a rock slope along a drill hole, multi-channel vibration time sequence data are obtained through a distributed sound wave sensing demodulator, and the multi-channel vibration time sequence data are obtained through detrending and noise suppression of a data preprocessing unit, space-time consistency filtering of apparent velocity constraint and phase weighted stacking. STA / LTA triggering and DBSCAN clustering are utilized to realize single-cable event merging, and unique pairing and three-dimensional positioning of cross-cable events are completed in combination with geometric matching degree and waveform form correlation degree; the sliding interface inversion unit adopts a deep learning model to classify abnormal events, constructs an event density field and an energy intensity field for sliding related events, forms a sliding interface evidence field, and optimizes an inversion sliding interface in a limited solution domain; the degradation state monitoring unit identifies a hot spot area on a sliding interface, tracks intensity and scale evolution, constructs a degradation index, and can realize early warning in combination with multi-source information such as earth surface displacement.

The utility model discloses a rock slope protection structure which comprises a first protection unit and a second protection unit, the first protection unit comprises lattice beams arranged along the slope surface, and the lattice beams are fixed to a rock slope through anchor rods; the second protection unit comprises a protection net connected with the lattice beam; the third protection unit comprises a growth bag connected with the protection net, a plant is placed in the growth bag, and the growth bag is provided with a growth hole allowing the root system of the plant to penetrate out. The lattice beams of the first protection units are used for realizing deep structure protection on the rock slope, so that deep slippage instability is prevented; shallow layer structure protection is achieved on the rock slope through the protective net of the second protective unit, and the situation that shallow layer rock blocks fall down, and the safety of the slope toe is harmed is avoided; plants in the growth bags pass through the growth holes, so that root systems of the plants extend and root into surface cracks of the rock slope; under the combined action of the lattice beams, the protective net and the plants, the rock slope can be prevented from deep slippage and instability, and shallow collapse can be prevented.

The invention relates to the technical field of hydroelectric engineering geological survey, in particular to a rock slope stability analysis method. Comprising the following steps: S1, drawing a slope engineering geological sketch map; s2, collecting broken stones and block stones accumulated at the slope angle of the side slope to obtain a broken stone and block stone shape graph; s3, restoring the damaged area of the side slope to obtain a terrain profile map before the damaged area of the side slope is damaged; s4, on the basis of the restored terrain profile map and the slope engineering geological sketch map, determining a specific crack causing damage to the slope damage area; s5, in the slope engineering geological sketch map determined in the step S1, screening out all fractures which are parallel to the fractures determined in the step S4 and form groups, and marking the fractures in the slope engineering geological sketch map; s6, according to all the cracks marked in the slope engineering geological sketch map in the step S5, a slope unstable area is divided; and the potential destructiveness accuracy of the side slope rock is improved.

The utility model relates to a supported rock slope greening structure. The method is suitable for the technical field of environmental protection. The technical problem to be solved by the utility model is to provide the green recovery structure for the supported rock slope. According to the technical scheme, the supported rock slope greening structure comprises drip irrigation pipelines which are installed on a slope bedrock face through fixing pieces, arranged in a grid shape and used for irrigating green plants on the slope and providing growth and attachment support for the green plants; the planting holes are formed in the side slope bedrock surface, the planting holes correspond to pipeline nodes of the drip irrigation pipelines, and undershrub plants are planted in the planting holes; the planting frames are arranged on the surface of the side slope, the planting frames correspond to the grids of the drip irrigation pipeline, and climbing plants are planted in the planting frames; the adjusting assembly is arranged in the drip irrigation pipeline and used for controlling an irrigation object of the drip irrigation pipeline.

The invention discloses a rock slope multi-mode instability probability analysis and risk evaluation method based on a drilling constraint condition random field, and belongs to the technical field of geotechnical engineering and engineering geology. According to the method, the conditional random field which is strictly consistent with the actually measured data is constructed under the condition of limited drilling exploration data, so that the reasonable expression of the spatial heterogeneity of the rock mass mechanical parameters is realized, and the authenticity of a numerical model and the reliability of an analysis result are greatly improved; the defect of insufficient result credibility caused by lack of actual measurement constraint of the unconditional random field is effectively overcome; through a large amount of multi-sample numerical simulation, multiple instability modes possibly occurring on the rock slope under different parameter space distribution conditions can be identified, the occurrence probability of each instability mode is quantitatively calculated, various risks possibly existing on the slope can be comprehensively grasped, only the most dangerous single condition is concerned, and the risk assessment accuracy is improved. And the accuracy and engineering applicability of slope stability analysis and risk evaluation are improved.

The invention discloses a plane sliding type rock slope seismic stability analysis model considering rough structural surface strength degradation. Aiming at the important defect that an existing structural surface strength vibration degradation model exaggerates the influence degree of a vibration wear effect influence coefficient and a relative movement speed effect influence coefficient on structural surface strength vibration degradation, the model is improved on the basis of a Barton criterion; therefore, a novel plane sliding type rock slope seismic stability analysis model considering the shear strength degradation of the rough structural surface is provided; parameter sensitivity analysis is adopted to research the influence rule of the seismic wave peak acceleration, the structural plane basic friction angle and roughness coefficient and the structural plane shear strength degradation factor influence parameters m and P0 on the slope seismic stability, and beneficial reference can be provided for slope seismic stability analysis.

The utility model belongs to the technical field of ecological rods, and particularly relates to an ecological rod for a rock hillside, which comprises a plant-growing bag, a plurality of first through holes are arranged at the top end of the plant-growing bag, an annular plate is fixedly mounted at the open end of the plant-growing bag, and one side of the annular plate is detachably connected with a sealing cover through a connecting component. A first wear-resistant layer is arranged on the outer surface of the vegetation bag, and a plurality of second through holes communicating with the first through holes are formed in the top end of the first wear-resistant layer. According to the sealing device, the sealing cover is detachably connected to the annular plate through the connecting assembly, the vegetation bag can be effectively sealed, meanwhile, workers can conveniently conduct operations such as repairing on the ecological rod in the later period, and practicability is improved.

The invention belongs to the technical field of geotechnical engineering disaster prevention and reduction and earthquake engineering tests, and relates to a vibration table test method considering time-varying deterioration of anti-seismic performance of an anchored rock slope. The method comprises the following steps: firstly, constructing a dynamic performance time-varying deterioration model based on an anchoring system interface bonding force and a free section steel bar yield resistance attenuation rule; physical equivalent simulation of interface degradation and component yield resistance reduction is realized by regulating and controlling the proportion of rock mass similar materials and utilizing a graded rigidity anchoring system. The core of the method is that before a vibration table applies seismic waves, attenuation of the anchoring performance of a supporting structure is actively simulated in advance, so that a real evolution path that the bearing capacity of an anchoring system is reduced firstly, slope stress redistribution and accumulated damage are caused, and then sudden seismic loads are suffered is reproduced; the limitation that only the static low bearing capacity is simply simulated in a traditional test is broken through. According to the method, space-time coupling of static time-varying degradation accumulation and transient earthquake dynamic action is effectively achieved, the problems of interface degradation simulation distortion and the like are solved, and a reliable test method is provided for dynamic stability evaluation and reinforcement design of a long-term service anchoring slope.

The invention discloses a strip mine rock slope crack detection method, which comprises the following steps: S1, obtaining an original image of a strip mine slope, and carrying out segmentation preprocessing to obtain a local crack image; s2, establishing a strip mine slope crack detection model, obtaining a training data set, performing data enhancement on the training data set to obtain enhanced data, inputting the enhanced data into the strip mine slope crack detection model for training, and selecting a prediction model with the highest overlap ratio of a prediction result and a real label as a trained prediction model; s3, inputting the local fissure image into the trained prediction model for fissure extraction to obtain local fissure features; and S4, splicing the local fracture characteristics to obtain a complete fracture detection result. According to the invention, efficient and accurate detection of the rock slope crack of the strip mine can be realized.

The invention discloses a protection device for treating a rock slope through cuttage planting, the slope comprises a slope body, a plurality of planting holes formed in the slope body and slurry sprayed and covered on the surface of the slope body and in the planting holes, a pluggable planting rod is arranged in each planting hole, each planting rod is formed by splicing two plate bodies, and the plate bodies are arranged in the planting holes. At least part of the planting rod is tightly attached to the planting hole, and the outer surface of the attached part of the planting rod is coated with a soluble connecting layer; a hidden flow channel is arranged at the end of the planting rod and used for conveying cement grout, and a plurality of through holes communicated with the hidden flow channel are formed in the outer surface of the planting rod within the range of the dissolvable connecting layer. Cement grout is poured into the rock mass through the hidden flow channel and the through hole, a miniature root pile with the planting hole as the core is formed, the integrity and stability of a slope shallow layer are remarkably enhanced, and structural support is provided.

The invention relates to the technical field of slope ecological restoration, and discloses an exposed rock wall ecological restoration composite anchoring device based on a capillary water guide system, which comprises a triangular basin-shaped steel reinforcement framework anchored on a rock wall, an inner side HDPE plate, an outer side HDPE plate, an EVA soft plate, a polyurethane foaming heat insulation layer and a gravel water storage bin, steel bars are anchored on a rock slope to form a basin-shaped device framework, an HDPE plate and a polyurethane foaming heat insulation layer are arranged on the framework to form a triangular basin-shaped device anchored on a rock wall, and a water storage bin, nutrient soil and planting vegetation are arranged in the device, so that the purpose of slope greening is achieved. In addition, the device provides soil and moisture guarantee conditions for growth of vegetation, overcomes the defects of slow greening effect, heavy device mass and difficult lasting greening effect due to large-scale use of earth-rock engineering in a conventional greening technology, guarantees nutrition supply of the vegetation through soil and a water storage bin in the device, and improves the vegetation quality. And rapid and lasting regreening of the bare rock slope can be realized.

The invention discloses a hierarchical collaborative anchoring prevention and control method for a hidden down-dip rock slope, and relates to the technical field of hierarchical collaborative anchoring prevention and control for the hidden down-dip rock slope, and the method comprises the following steps: obtaining geological survey data of a target slope, and generating a slope digital model composed of a plurality of grid nodes; and performing strength reduction on the slope digital model, simulating a process of evolving the target slope from a steady state to an unsteady state, obtaining data of each grid node in the simulation process, calculating a shear strain value of each grid node, and generating initial slope stress field data. According to the method, the dynamic evolution path of the shear band is accurately tracked through strength reduction simulation and space-time sequence reconstruction, and shear evolution characteristics can be accurately identified, so that dislocation of a reinforcement position and an actual disaster-causing region is effectively avoided, reinforcement failure caused by shear failure of a side slope is effectively avoided, and the prevention and control effect is effectively improved.

The present invention discloses a rock slope vegetation system and a vegetation planting construction method, which solves the technical problem that some slopes have reverse slopes and smooth surfaces, and vegetation grows against gravity without conditions for vegetation to take root and store nutrients and water, thus causing difficulties in vegetation growth. The rock slope vegetation system includes wire mesh, steel mesh, a vegetation concrete substrate base layer, a vegetation concrete substrate surface layer and a vegetation layer. The vegetation planting construction method comprises, in sequence, rock slope surface management, measurement and layout, reinforcement system construction, spray system construction, vegetation concrete spraying construction, slope surface treatment and maintenance. The present invention has a simple structure, a scientific and reasonable design, and is easy to use. It can effectively solve the technical problem that some slopes have reverse slopes and smooth surfaces, and vegetation grows against gravity without conditions for vegetation to take root and store nutrients and water, thus causing difficulties in vegetation growth.

The invention relates to the field of geotechnical engineering, and discloses a rock slope stability determination method and system based on three-dimensional modeling, and the method comprises the steps: collecting slope three-dimensional data through laser scanning, unmanned aerial vehicle image and structured light multi-source heterogeneous equipment, and generating an original three-dimensional data set; missing areas and boundaries caused by a high abrupt slope surface, vegetation shielding and water surface reflection are calibrated through hole detection and reflection anomaly analysis, and a calibration result of missing area complementation is formed; reconstruction data is generated through structural consistency constraint and random disturbance optimization, and side slope geometric information is formed; performing curved surface fitting, crack detection and normal vector clustering, and extracting key features of inclination angle, trend and crack density to form a structural surface feature database; and performing stability judgment by using a sliding surface analysis, limit equilibrium or numerical simulation method, and performing dynamic prediction on a potential instability region. The method has the advantage of improving data acquisition integrity.

The invention relates to the technical field of slope risk early warning based on slope data processing, in particular to a rock slope stability evaluation and early warning method, system, equipment and medium. The method comprises the following steps: firstly, obtaining an initial instability score and a slope stability type of a rock slope based on a gradient, rock-soil body shear strength and a structural surface development degree; then, considering the influence of potential slope instability in a rock slope group on the stability of a neighborhood slope, updating the initial instability score of the slope, and obtaining an initial comprehensive instability score of the slope; then, calculating an environmental instability score increment of the rock slope caused by rainfall, and updating the initial comprehensive instability score to obtain an updated comprehensive instability score of the rock slope; and finally, performing rock slope risk early warning according to a comparison result of the updated comprehensive instability score of the slope and an instability score threshold value. When the method is applied to the safety early warning of the rock slope, the accuracy and timeliness of the safety early warning of the rock slope can be improved.

The invention relates to a high and steep barren rock slope stepped earthing greening ecological regreening system and a construction method thereof. An original barren rock slope line is excavated and cut in a stepped mode to form a stepped slope and a stepped platform, and greening plants are planted on the stepped platform to form a stepped earthing greening system; the step type earthing greening system is composed of vine climbing plants planted on the prefabricated retaining wall arranged on the outer side of the step type platform, arbors planted in the planting grooves and herbaceous plants planted on backfill earthing. The prefabricated retaining wall is fixedly embedded on the outer side of the stepped platform through steel chisels, and a prefabricated concrete plate hanging bag is arranged on the outer side of the prefabricated retaining wall. According to the method, the stability of the side slope is improved, the large-area overall collapse phenomenon is avoided, the flushing effect of rainwater on backfill soil is reduced, the plant survival rate is increased, the work amount is saved, and rapid regreening of the side slope is achieved.

The invention provides an infrared radiation identification method for a damage state of a rock slope, and relates to the technical field of rock stratum control, and the method comprises the steps: obtaining the infrared radiation time series data of a target rock slope; performing noise removal and enhancement processing on the infrared radiation time sequence data to obtain an enhanced image; correcting the enhanced image according to the data of the environment where the target rock slope is located to obtain a corrected image; performing feature extraction on the corrected image to obtain damage features; and inputting the damage features into a trained damage state recognition model to obtain a recognition result. According to the method, through advanced image processing technologies (noise removal and image enhancement), the image quality is improved, and the subsequent feature extraction is more accurate. And image correction is carried out by using environmental data, and the influence of environmental factors on infrared radiation is considered, so that the interference of external factors is reduced, and the accuracy of damage identification is improved.

The invention discloses an ecological base material suitable for ecological restoration of a high and steep rock slope and an ecological restoration method and application of the ecological base material, the ecological base material comprises the following raw materials: a matrix component, a reinforcing component and plant seeds, and the matrix component comprises the following raw materials in parts by weight: 40-50 parts of local loam, 6-10 parts of organic matter, 3-5 parts of a water-retaining agent and 2-4 parts of a pH regulator; the reinforcing component comprises the following raw materials in parts by weight: 15 parts of a fiber material, 5-8 parts of a binder, 3-5 parts of a slow release fertilizer and 0-0.1 part of a modifier; the plant seeds comprise herbaceous plants and shrubs, the herbaceous plants comprise cynodon dactylon and festuca arundinacea, and the shrubs comprise magnolia floribunda and lespedeza, specifically, 0.4 part of cynodon dactylon, 0.3 part of festuca arundinacea, 0.15 part of magnolia floribunda and 0.05 part of lespedeza. According to the ecological base material and the ecological restoration method thereof, the site conditions of the high and steep slope can be met, vegetation can be attached to the surface of the slope body easily, the rock and soil conditions of the surface of the high and steep rock slope are improved, and development and implementation of ecological restoration are facilitated.

The invention relates to the technical field of slope ecological monitoring, in particular to an intelligent monitoring system and method for the ecological environment of a rock slope of a highway in a cold region. According to the method, the high-precision digital elevation model is efficiently generated through an unmanned aerial vehicle remote sensing and ground measurement fusion technology, and a reliable basis is provided for analysis; based on a freeze-thaw attenuation coefficient fitted in a laboratory, the cohesive force and the internal friction angle of the rock mass are dynamically corrected, and the accuracy of stability analysis of the slope in the cold region is improved; the geological safety coefficient, the vegetation index and the soil erosion index are fused and weighted, a unified ecological risk evaluation model is constructed, integrated and intelligent comprehensive monitoring and risk evaluation are carried out on the slope geological stability and the ecological environment condition, and decision-making assistance is provided for the cold region slope ecological environment.

The invention discloses a moss-microorganism synergistic nitrogen fixation bionic regreening method and system for a drought-resistant mine rock slope, and belongs to the technical field of ecological environment restoration. The method comprises the following steps: (1) slope pretreatment: drilling anchoring holes; (2) layered construction: (1) a fixation layer: spraying mixed slurry prepared from amylase and plant fibers to form a net-shaped substrate with the thickness of 1-2cm; (2) a nutrient layer: spraying a mixture of a complex microbial inoculant and a slow release fertilizer, wherein the thickness is 4cm; the mixed bacterial agent is prepared from the following raw materials in percentage by weight: 60 percent of phytonimum patenum spores, 25 percent of nostoc commune (Nostoc commune) and 15 percent of pseudomonas fluorescens (Pseudomonas fluorescens), and the mixed bacterial agent is prepared from the following raw materials in percentage by weight: 60 percent of phytonimum patenum spores, 25 percent of nostoc commune (Nostoc commune) and 15 percent of pseudomonas fluorescens (Pseudomonas fluorescens). And (3) a water retention layer: sodium polyacrylate resin is spread, the particle size of the sodium polyacrylate resin is 1-0.5 mm, soil covering and compaction are performed until the thickness of the water retention layer is 1-1.5 cm, and the use amount of the sodium polyacrylate resin is 2-1.5 wt% of the weight of the soil. According to the method, the nitrogen fixation efficiency can be improved by 40-60%, and the soil moisture content is kept gt under the drought condition; the survival rate of the seedlings is increased to 85% or above, the anti-scouring capacity of the side slope is improved by 50%, and the vegetation coverage rate of 70% or above is achieved within 6 months.

The invention discloses a bare rock slope ecological restoration scheme demonstration method based on VR simulation, and the method comprises the steps: obtaining the multi-source data of a bare rock slope, and carrying out the fusion processing, and generating a three-dimensional digital model and an ecological parameter distribution diagram. Key nodes in the slope are identified, a connection network between the key nodes is constructed, and a preliminary resource allocation scheme and a network topology structure are formed; water resource flowing and vegetation growth processes are simulated by means of a VR simulation technology, and a resource allocation scheme and a water flow distribution prediction map are optimized. And obtaining an optimal solution of resource allocation in combination with a vegetation coverage target and a matrix material characteristic. According to the distribution table of the key nodes, a visual model of the slope restoration process is generated through three-dimensional rendering and dynamic simulation, ecological response data is analyzed to optimize a restoration scheme, and finally a complete slope ecological restoration scheme is formed. According to the method, intelligent generation and optimization of the bare rock slope ecological restoration scheme are realized, and the restoration efficiency and accuracy are improved.

The utility model discloses a rock slope indoor simulation planting test device, which relates to the technical field of planting test, and comprises a bottom plate, a first support frame is fixedly arranged on the top surface of the bottom plate, a connecting pipe is fixedly arranged on one side of the first support frame, nozzles which are distributed at equal intervals are fixedly arranged on the outer surface of the connecting pipe, and the first support frame and the second support frame are fixedly arranged on the outer surface of the connecting pipe. A second supporting frame is fixedly arranged on the top face of the bottom plate, the connecting pipe is fixedly inserted into the second supporting frame, a flow dividing pipe is fixedly arranged in the second supporting frame, the connecting pipe is fixedly inserted into the flow dividing pipe, a water pump is fixedly arranged on the top face of the bottom plate, and a conveying pipe is fixedly arranged on the top face of the water pump. The water in the water tank is pumped out from the water pumping pipe and then conveyed into the flow dividing pipe from the conveying pipe, and then the water can be sprayed out from the spray head to water the rock mass layer to simulate rainfall and observe the water and soil loss condition, so that the planting effect is judged, and an accurate experiment result can be obtained.

This invention discloses a method for fixing a seepage-proof transition section on an irregular rock slope in a mine landfill. A seepage-proof cementitious composite sprayed material is wet-sprayed onto the irregular rock slope (1-2), forming a seepage-proof cementitious composite sprayed material layer (2) on the surface of the seepage-proof transition section. A seepage-proof geomembrane (3) is laid from the regular rock slope (1-1), and then rubber pads (7) and thin steel plates (6) are laid on the geomembrane (3) from the inside out. Hollow grouting anchors (4) are self-drilled through the holes in the thin steel plates (6) and rubber pads (7), and the edges are trimmed with a seepage-proof sealing agent (8). This invention is applied to the reinforcement of seepage-proof transition sections on irregular rock slopes in mine landfills, overcoming the problem of easy damage during the fixing process of seepage-proof transition sections on irregular rock slopes, eliminating potential hazards, and improving the safety and reliability of the seepage-proof system. It not only has good economic benefits but also significant safety and environmental benefits.

The invention discloses an anchoring anti-seepage structure for a fragmented loose rock slope. The anchoring anti-seepage structure comprises an anchoring system and an anti-seepage system. The anchoring system comprises a prefabricated anchor pipe, an anchor pipe cavity inner grouting body, a primary grouting body, a branch grouting body, a concrete frame beam and anchor sealing concrete. The anchoring system penetrates through the cataclastic rock mass in the direction perpendicular to the slope surface of the slope and is inserted into the rock soil mass. The grouting body in the anchor pipe cavity and the primary grouting body jointly form a main grouting body; the branch grouting bodies are symmetrically distributed on the two sides of the prefabricated anchor pipe, and the branch grouting bodies, the prefabricated anchor pipe and the main grouting body form a main-branch combined reinforcing body. The anti-seepage system comprises anchor bolts, a geotechnical composite drainage net and an anti-seepage geomembrane, the geotechnical composite drainage net covers the anti-seepage geomembrane, and the geotechnical composite drainage net and the anti-seepage geomembrane are bonded to jointly cover the slope surface of the broken loose rock slope; the anchor bolts are arranged on the slope top and the slope toe of the broken loose rock slope and used for fixing the geotechnical impermeable film and the geotechnical composite drainage net. The invention further discloses a corresponding construction method.

The invention discloses a rock material tension-shear failure simulation method and equipment based on a dynamic dual-phase field model. The method comprises the following steps: establishing a stress tensor physical model corresponding to a rock material constitutive relationship; respectively introducing a tension phase field and a shear phase field, and establishing a dynamic double-phase field model corresponding to the rock tension-shear failure physical process; deducing an energy functional of the dynamic double-phase field model; establishing a crack surface local coordinate system, and judging a crack contact state according to a frictional contact phase field theory; switching a stress tensor decomposition mode according to the contact state, and calculating a phase field evolution driving force; rock material tension-shear failure simulation based on the dynamic two-phase field model is achieved, and rock fracture form evolution data are output and used for evaluating rock slope stability.