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231 results about "Rock slope" patented technology

Safety monitoring method and system for rock slope

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.
Owner:POLY CHANGDA ENGINEERING CO LTD +1

Rock slope support model construction scheme generation method and device, equipment and medium

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.
Owner:藤县经济开发区综合服务中心

Method for dynamically evaluating stability of soft rock slope

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.
Owner:浙江中一建设有限公司

Rock slope sliding interface identification and degradation monitoring method based on distributed sound wave sensing

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.
Owner:NANJING UNIV +1

Rock slope multi-mode instability probability analysis and risk evaluation method based on drilling constraint condition random field

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.
Owner:NORTHEASTERN UNIV CHINA

Planar sliding type rock slope seismic stability analysis model considering rough structural surface strength degradation

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.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING) +7

Ecological rod for rock hillside

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.
Owner:辽宁东方发电有限公司 +2

Vibrating table test method considering time-varying deterioration of anti-seismic property of anchored rock slope

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.
Owner:DALIAN JIAOTONG UNIVERSITY

Protective device for treating rock slope through cuttage planting

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.
Owner:HARBIN INST OF TECH AT WEIHAI

Hierarchical collaborative anchoring prevention and control method for hidden down-dip rock slope

ActiveCN121920099AEnsure high overlapAvoid reinforcement failureClimate change adaptationFoundation testingClassical mechanicsGeological survey
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.
Owner:INSTITUTE OF GEOLOGY AND GEOPHYSICS CHINESE ACADEMY OF SCIENCES

Rock slope stability judgment method and system based on three-dimensional modeling

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.
Owner:ELECTRIC COMPREHENSIVE INVESTIGATION OF SURVEYING INST OF MINISTRY OF INFORMATION IND

Intelligent monitoring system and monitoring method for ecological environment of rock slope of highway in cold region

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.
Owner:CCCC FIRST HIGHWAY CONSULTANTS CO LTD +3

A method for fixing the seepage prevention transition section on an irregular rock slope in a mine landfill.

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.
Owner:SINOSTEEL MAANSHAN INST OF MINING RES CO LTD

Intelligent greening regulation system suitable for high and steep rock slope

The invention discloses an intelligent greening treatment system suitable for a high and steep rock slope, and relates to the technical field of slope greening. According to the system, through the synergistic effect of the vegetation growth base body of the double-layer combined structure and the intelligent regulation and control module, the wind and rain damage resistance and the vegetation survival rate are remarkably improved. The outer layer of the base body adopts acoustic-mechanical coupling energy dissipation structure resonant cavity design, mechanical energy is efficiently converted into heat energy to be dissipated by matching wind load, raindrop impact frequency and inherent frequency of a cavity, and structural damage caused by wind and rain scouring is effectively reduced; a soil sensor and a biosensor are integrated to monitor data in real time, a controller is linked with water and fertilizer integrated equipment and an adjustable spectrum LED growth lamp, and the water and fertilizer ratio and the illumination intensity are dynamically optimized; meanwhile, a water storage layer, a slow-release regulation and control layer and a water guide interface layer are arranged in the base body, so that directional water dredging and nutrient soil immobilization during heavy rainfall are achieved, reverse capillary water supply is achieved through a bionic capillary suction cup and a root system guide pipe during drought, and continuous water supply of vegetation is guaranteed.
Owner:KUNMING UNIV OF SCI & TECH +2

Rock slope stability evaluation method, system and equipment based on three-dimensional modeling and storage medium

According to the rock slope stability evaluation method, system and equipment based on three-dimensional modeling and the storage medium provided by the invention, the rock slope stability evaluation method based on three-dimensional modeling is characterized in that a three-dimensional model of a rock slope is constructed in combination with geophysical prospecting data and exploration data, the geophysical prospecting data, drilling rock core data and the like are stored in the three-dimensional model, and the rock slope stability evaluation accuracy is improved. Stability evaluation is carried out through the three-dimensional model and data matched with the three-dimensional model, the safety coefficient and the slope instability probability are calculated in combination with preset extreme environmental factors, the stability of the current rock slope is evaluated, and automatic early warning, measure recommendation and real-time dynamic management and control are achieved.
Owner:SHENZHEN NANHUA GEOTECHNICAL ENGINEERING CO LTD

A method, device and system for evaluating the ecological restoration effect of a steep bare rock mine slope

The present application provides a kind of abrupt bare rock slope ecological restoration effect evaluation method, device and system, the method comprises: based on abrupt bare rock mine slope ecological restoration after field investigation obtains abrupt bare rock mine slope ecological restoration related data;With evaluation target, determine the evaluation index corresponding to different evaluation levels in the abrupt bare rock slope ecological restoration effect evaluation system and establish evaluation model;With the data collected, the corresponding weight value of the index corresponding to different evaluation levels in the abrupt bare rock slope ecological restoration effect evaluation system is determined;The closeness to ideal solution is calculated by combining the evaluation index evaluation value and the weight value of each evaluation index, and the abrupt bare rock slope ecological restoration effect evaluation result is obtained.The method can realize the rapid evaluation of abrupt bare rock slope ecological restoration effect.
Owner:江苏省海洋地质调查院 +1

A method for constructing a virtual adit-based slope structure surface model

ActiveCN121810973B3D modellingAditClassical mechanics
The application discloses a kind of based on virtual flat adit's slope structural plane model construction method, comprising: generating and each reality flat adit corresponding considering structural plane spatial variability reality flat adit model;Comprehensively consider the geometric characteristics of reality flat adit model and the certainty structural plane feature, generate several considering structural plane spatial variability while considering structural plane along elevation continuity random change virtual flat adit model.The application according to the actual flat adit data of site to the blank area that has not carried out flat adit exploration restores its structural plane feature as far as possible, establishes the structural plane network model in conformity with geological authenticity, to carry out subsequent slope stability evaluation work.The application realizes that the structural plane network constructed in model meets the exposure condition of reality flat adit, while considering the spatial variability of structural plane distribution characteristics in different parts of slope, solves the problem that structural plane model deviates from reality in rock slope numerical calculation and influences the slope stability evaluation.
Owner:CHINA RENEWABLE ENERGY ENG INST +4

Seismic stability analysis model of plane sliding rock slope considering strength degradation of rough discontinuity

The application discloses a plane sliding type rock slope seismic stability analysis model considering rough structure surface strength degradation. In view of the important deficiency of the current structure surface strength vibration degradation model, that is, exaggerating the influence degree of the vibration wear effect influence coefficient and the relative movement speed effect influence coefficient on the structure surface strength vibration degradation, the application improves the above model based on the Barton criterion, thereby proposing a new plane sliding type rock slope seismic stability analysis model considering rough structure surface shear strength degradation, and adopts parameter sensitivity analysis to study the influence law of the peak ground acceleration of the earthquake, the basic friction angle and the roughness coefficient of the structure surface, the influence parameter m of the structure surface shear strength degradation factor and P0 on the slope seismic stability, so as to provide beneficial reference for the slope seismic stability analysis.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING) +7

Comprehensive treatment system for rock slope in water-poor area

The utility model relates to the technical field of slope treatment, in particular to a comprehensive treatment system for a rock slope in a water-poor area. Comprising an active net protection system and a plant growing system. A grating net is laid on the surface of a side slope, a plurality of inner-layer noose nets are laid on the upper surface of the grating net, and a plurality of short anchor rods arranged in an array mode penetrate through the inner-layer noose nets and the grating net to stretch into and be fixed into the side slope to form an active net protection system. A macromolecular water-absorbent resin sheet is laid on the upper surface of the active net protection system, a plant-growing bag is laid on the upper surface of the macromolecular water-absorbent resin sheet, and an outer layer noose net is laid on the upper surface of the plant-growing bag; the macromolecular water-absorbent resin sheets, the vegetation bags and the outer layer noose net are fixed on the side slope through a plurality of long anchor rods which are arranged in an array mode to form a vegetation system; according to the utility model, the rock slope in the water-poor area can be effectively supported and greened.
Owner:TAIYUAN DESIGN RES INST FOR COAL IND

Earth-rock slope compacting device

The invention discloses an earthwork slope compaction device, and relates to the technical field of civil engineering machinery, the earthwork slope compaction device comprises a road roller main body, the bottom of the road roller main body is fixedly provided with a rolling roller, one end of the road roller main body is provided with a wetting assembly, the wetting assembly comprises a support frame fixedly connected with the road roller main body, and the top of a limiting block is provided with a water tank. A water inlet communicated with an inner cavity of the water tank is formed in the top of the supporting frame, a liquid storage tank communicated with the water inlet is formed in the lower portion of the interior of the supporting frame, a plurality of first leaking holes are formed in the bottom of the liquid storage tank at equal intervals, and dripping assemblies are arranged in the first leaking holes. A linkage structure is matched with a first compression spring to provide elastic reset force, a limiting plate is tightly attached to a normally-closed water control mechanism of a water inlet, a dripping assembly comprising an extrusion head, a blocking block and a flow guide groove indirectly drips water, and the problems that manual watering efficiency is low, and compaction quality is poor are solved.
Owner:CHINA RAILWAY NO 9 GROUP CO LTD

Temporary supporting structure for strong unloading rock slope excavation

The utility model discloses a strong unloading rock mass slope excavation temporary supporting structure in the technical field of slope engineering, which comprises a natural slope, a plurality of stages of excavation slopes and a plurality of fore shaft anchor bar piles, the plurality of stages of excavation slopes are positioned on one side of the natural slope, and the fore shaft anchor bar piles are positioned on the other side of the natural slope. The locking anchor bar piles are arranged at the top of the upper end excavation slope and the inner sides of riding tracks of all stages of excavation slopes, steel wire meshes are laid on the surfaces of the multiple stages of excavation slopes from top to bottom, temporary net hanging sprayed concrete is arranged on the surfaces of the steel wire meshes, and every two adjacent pieces of temporary net hanging sprayed concrete are in lap joint through the locking anchor bar piles. The excavation slope, the locking anchor bar piles, the temporary net hanging sprayed concrete and the steel wire net are arranged in a matched mode, so that the supporting structure is more rapid in excavation, the number of invested personnel is small, rainwater invasion in the construction period is reduced through rapid closing, the slope exposure time is shortened, the stable state of the slope is easily maintained, and the construction efficiency is improved. And the development of unloading relaxation is reduced.
Owner:POWERCHINA HUADONG ENG CORP LTD

A soft rock slope treatment and reinforcement structure for an open pit mine

ActiveCN224549154URock boltRock slope
The utility model discloses a kind of open pit soft rock slope treatment reinforcing structure, including steel mesh layer, steel mesh layer covers in slope surface, and concrete layer is sprayed on the surface of steel mesh layer, multiple fixed anchor rods are insertedly connected and installed in slope, and fixed anchor rod is detachably installed with fixed sheet at the end far from slope, and fixed sheet is located above steel mesh layer, and fixed anchor rod includes anchor pipe, anchoring hole and grouting layer, anchor pipe is inserted in slope, and the end of anchor pipe inserted in slope is closed tip, multiple anchoring holes are opened in the circumferential array of anchor pipe close to tip position, and grouting layer is injected into anchor pipe along anchor pipe outer end.The utility model forms concrete coagulation block at the end of fixed anchor rod by setting grouting layer and anchoring hole, forms fixed for fixed anchor rod, improves the pullout resistance of fixed anchor rod, and better stabilizes open pit soft rock slope.
Owner:CHINA GOLD GRP THIRD ENG CO LTD

Method for analyzing rock slope excavation unloading failure path based on crack propagation

ActiveCN115712986BImprove analysis efficiencyThe calculation process is clearSlope stability analysisStress intensity factor
The application discloses a kind of based on fissure expansion's rock slope excavation unloading failure path analysis method, belong to slope stability analysis technical field, including the following steps: S1, fissure equivalent simulation;S2, stress intensity factor calculation and expansion type judgment;S3, fissure cracking judgment;S4, fissure expansion calculation;S5, fissure expansion section generation.The fissure expansion's rock slope excavation unloading failure path analysis method in the application, by the originally complex fissure expansion environment is divided into multiple sub fissure dynamic expansion model, then single sub fissure expansion model is analyzed one by one, then the fissure expansion situation of single sub fissure expansion model is combined with other sub fissure expansion model and is analyzed, such as step by step calculation, obtain the fissure expansion situation of rock slope under overall complex environment, overall calculation logic is clear, avoid complex redundant calculation, improve fissure expansion situation analysis efficiency.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD

Method and system for determining mechanical parameters of rock mass in damaged area during blasting excavation of rock slope

The invention discloses a rock mass mechanical parameter determination method and system for a rock slope blasting excavation damage area, particularly relates to the technical field of rock mass engineering stability evaluation, and is used for solving the problem of misalignment of parameter characterization caused by neglecting a damage area rock bridge and fracture zone composite structure in the prior art. The method comprises the following steps: arranging a point load test in a damage area and identifying non-unimodal distribution data; combining fracture catalog data, fusing penetrability fracture density segmentation capability and a dominant inclination angle direction failure effect to generate a collaborative isolation parameter, and dividing a residual rock bridge and fracture fracture zone spatial distribution mode according to the collaborative isolation parameter; accurately classifying the intensity data into two types of subsets based on space mapping; and finally, macro-mechanical parameters are generated through weighted fusion of the area proportion and the double-source strength statistical value, the rock mass strength prediction precision of the blasting damage area is remarkably improved, and a reliable basis is provided for slope stability analysis and support design.
Owner:HARBIN HENGGUAN BLASTING ENG CO LTD

A vegetation restoration method for soil and rock slope in alpine region

ActiveCN119422506BStipa purpureaLigusticum
The application discloses a kind of vegetation repair methods of high-cold region soil and stone slope, solve the technical problem that the prior art construction process is complex, vegetation survival rate is low.It includes: preparation of binder and the binder is evenly sprayed on the soil and stone slope needing protection using mud spraying machine;On the soil and stone slope that spraying slope-polylactic acid three-dimensional net binder is finished;Laying soil nutrient layer;Mix the seeds of elytrigia repens, thalictrum, pot marigold, groundsel, purple-flowered needle grass and arrow leaf ligusticum, the mixed seed after processing, soil and water are fully stirred and mixed to form grass seed mud slurry, and the grass seed mud slurry is evenly sprayed on the soil nutrient layer;After seed germination, drill expansion bolt hole, chemical bolt is placed in the hole of expansion bolt, and expansion screw is drilled and fixed using.The application shows remarkable effect in improving vegetation survival rate, enhancing slope stability, simplifying construction process and reducing cost and improving biodiversity.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED +1

Device for monitoring growth condition of plant root system in rock fracture

PendingCN121994788APrevent phototropic growth deviationRealize long-term in-situ visual observationMaterial analysis by optical meansUsing optical meansSoil sciencePlant roots
The invention discloses a device for monitoring the growth condition of a plant root system in a rock fracture, and relates to the field of rock slope ecological protection, and the device comprises a planting mold, a rock fracture simulation sample, a light shield, a 3D scanner and an upper computer; the bottom of the planting mold is provided with a through hole into which a root system extends; and crisscrossed V-shaped simulation cracks of crack fillers are arranged in the simulation sample and are used for simulating a real rock mass environment. During monitoring, after a root system enters a fracture, the light shield is moved away, non-contact scanning is performed by using a 3D scanner according to a preset strategy, light shielding is performed again after data are obtained, and a root system three-dimensional growth model is built through an upper computer. According to the method, the growth process of the root system in the rock fracture is monitored for a long time in a nondestructive monitoring mode, the authenticity and representativeness of the root system three-dimensional growth model are improved, and more representative basic data are provided for research on overall stability calculation of a root-soil complex and slope rock mass in rock slope spray-seeding type ecological restoration engineering.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Railway rock slope greening sapling planting device

The utility model belongs to the technical field of slope greening planting, and relates to a railway rock slope greening sapling planting device which comprises a control system, a water storage tank and a nutrition bowl, the water storage tank and the nutrition bowl are arranged in slope geology, the water storage tank is communicated with the nutrition bowl through a water pump and a watering pipeline, and a plurality of stand columns are arranged on the ground around the nutrition bowl. A fog water collecting assembly is arranged between every two adjacent stand columns, a control box is arranged on the ground, an electric device matched with a control system is arranged in the control box, and the control box is connected with the water pump. The utility model can effectively solve the problem of low survival rate caused by drought of the greening saplings on the rock slope, prevent floating objects generated along the railway from influencing the greening growth, and realize the purpose of greening growth of the saplings around the railway.
Owner:HEZE UNIV

Ecological Restoration Structure and Method for Steep Rock Slopes Based on Biosolidification Technology

This invention relates to an ecological restoration structure for steep rock slopes based on bio-stabilization technology, comprising a rock slope body, anchor bolts, a metal mesh, a square solidification cavity, a bio-stabilized coarse-grained soil layer, a vegetation base layer, and n-shaped components. The metal mesh is laid flat on the surface of the rock slope body and fixed thereto by several anchor bolts. The anchor bolts are arranged in rows laterally and columns longitudinally along the rock slope body and driven into the stable rock strata. The square solidification cavity is fixed to the rock slope body by n-shaped components embedded in the rock mass. The bio-stabilized coarse-grained soil layer is formed by spraying a soybean enzyme treatment solution to solidify the coarse-grained soil containing bio-slurry laid within the square solidification cavity. The vegetation base layer is sprayed onto the surface of the bio-stabilized coarse-grained soil layer. This invention provides an ecological restoration structure for steep rock slopes with good strength and integrity, convenient and efficient construction, good ecological restoration effect, and strong ecological stability and sustainability.
Owner:FUZHOU UNIV

Supporting method for soft rock slope crack development period

The invention discloses a supporting method for a soft rock slope crack development period, and relates to the technical field of slope supporting. The method comprises the steps that S1, a concrete supporting structure is prefabricated and composed of reinforced concrete, a hanging ring is arranged on the top of the concrete supporting structure, and drainage holes are pre-buried in the concrete supporting structure; s2, identifying a field crack stage; when the crack is in the development stage, subsequent supporting work is carried out; s3, the prefabricated reinforced concrete supporting structure is hoisted to the position below the slope of the crack area through a crane, and a slope toe is reversely pressed; s4, after treatment is finished, a plurality of manual RTK displacement monitoring points are arranged at the slope top of the step above the treatment area, and when the slope of the treatment area is in a stable state, stripping operation is conducted on the slope of the lower portion of the treatment area; through on-site support structure prefabrication, crack identification and treatment opportunity determination, support structure lifting and slope toe back pressure, and manual RTK monitoring, the treatment ending process is determined, and the purposes of timely preventing crack development, improving slope stability and guaranteeing operation safety of personnel and equipment of a lower working platform are achieved.
Owner:CHINA MINMETALS CHANGSHA MINING RES INST

Ecological protection system for high and steep rock slope

The utility model belongs to the technical field of slope protection, and particularly relates to a high and steep rock slope ecological protection system which comprises a bottom plate, the bottom plate is fixed to the top of a slope through a first ground pile, an installation groove is formed in the top of the bottom plate, and a sliding plate is installed in the installation groove in a sliding mode. A plurality of springs fixedly aligned to the inner side of the mounting groove are arranged on one side of the sliding plate, a plurality of longitudinal steel wires are fixed to one side of the sliding plate at equal intervals, through holes matched with the longitudinal steel wires are formed in the mounting groove, the other ends of the longitudinal steel wires extend out of the through holes, and a plurality of transverse steel wires are arranged between the longitudinal steel wires at equal intervals; the transverse steel wires and the longitudinal steel wires are transversely staggered to form a steel wire protection net used for preventing slope rockfall. When a landslide occurs, the buzzer works to give an alarm to remind surrounding personnel to pay attention to safety, and a worker can handle the landslide in time.
Owner:ZHEJIANG CHENGJIN CONSTRUCTION CO LTD