56 results about "Muck" patented technology

The invention relates to a large-strain consolidation algorithm, equipment and medium for horizontal vacuum dehydration of sludge, and the algorithm comprises the following steps: 1, obtaining basic parameters of a constitutive relation of a target soil body through an indoor consolidation experiment and a penetration experiment, 2, obtaining load conditions of the target soil body through surveying a geological exploration report and an engineering design scheme, the method comprises the steps of (1) establishing a one-dimensional PHD consolidation model, (2) establishing a one-dimensional PHD consolidation model and deducing a control equation under equal strain conditions, (3) introducing a virtual time step and calculating the consolidation degree in a manner of carrying out segmented increment processing on time, (4) establishing the one-dimensional PHD consolidation model and deducing a control equation under equal strain conditions, and (5) calculating the final consolidation degree based on the virtual time step and the control equation, and further comprises equipment and a medium. According to the method, the influence of non-uniform consolidation is incorporated into the one-dimensional theoretical consolidation analysis of the Taisha foundation, and the consolidation coefficient is corrected by using the control equation based on the virtual time step and the strain condition, so that convenient and accurate consolidation calculation is realized.

The invention discloses a Hakanson-LCA-based shield muck ecological influence assessment method, and relates to the field of shield muck ecological influence assessment. A Hakanson ecological risk assessment method and an LCA method are combined, and meanwhile, the potential ecological risk of heavy metal elements in shield muck and the carbon emission influence generated in the resource utilization and landfill disposal process are assessed; through the dual evaluation method, comprehensive analysis can be carried out on the muck from two dimensions of environmental pollution and climate change, more comprehensive ecological influence evaluation is provided, and a scientific basis is provided for environmental protection and waste management.

The invention discloses a layered backfilling and ecological regreening system for flow-state solidified soil of an anchoring ditch of a refuse landfill. The layered backfilling and ecological regreening system comprises a muck (weathered rock) pretreatment unit, a flow-state solidified soil production unit, an ecological regreening unit, a pumping backfilling unit and an intelligent regulation and control unit. According to the system, the structure reinforcing function and the ecological restoration function are successfully integrated, and a brand-new and sustainable engineering residue soil (weathered rock) resource utilization and ecological backfill solution is provided.

The invention discloses an intelligent control system and a full-process quality control method for a sludge in-situ solidification embankment technology, the system comprises a solidification material slurry preparation and closed-loop control module, an on-line density meter is used for monitoring the slurry density in real time and feeding back and adjusting ingredients, and it is ensured that the slurry quality is stable; the construction front-end intelligent sensing and regulating module is used for inverting a soil body state through mechanical dynamics data such as torque and rotating speed, and regulating slurry or clear water injection parameters in a self-adaptive manner; the intelligent stuffy material time prediction module is used for predicting the optimal stuffy material time length based on the environment and material data; the digital twinning and quality tracing module integrates multi-source data and realizes visualization and quality tracing of the whole construction process; according to the invention, intelligent closed-loop control of slurry preparation, stirring construction and material covering processes is realized, soil texture variation is effectively dealt with, and the uniformity and reliability of construction quality are remarkably improved.

The application discloses a kind of mucky soil area pit-in-pit construction methods, the method comprises: one, construction pit bottom reinforcing construction structure;Two, construction steel sheet pile;Three, excavate top layer earthwork;Four, excavate and support inside earthwork excavation area;Five, excavate first layer annular soil pit and third layer inside soil pit;Six, excavate second layer annular soil pit and fourth layer inside soil pit;Seven, pour pit-in-pit pile cap and remove steel sheet pile.The application is excavated before whole earthwork, and steel sheet pile is struck, and pit-in-pit and steel sheet pile outside earthwork excavation are formed under the premise of guaranteeing construction safety, and the construction period of whole raft is greatly shortened, and large foundation pit whole supporting system is formed faster, and the exposure time of deep foundation pit is reduced, and the construction operation risk of mucky soil deep foundation pit is reduced;Through the process of pre-striking steel sheet pile, steel sheet pile whole pile is completed once, and the strength of steel sheet pile body and water-resisting effect are guaranteed.

The invention belongs to the technical field of underground engineering, and particularly discloses an image multi-feature fusion shield muck flow plasticity automatic monitoring method and system, and the method comprises the steps: collecting a muck image of a slag outlet of a shield tunneling machine and a liquid index of a soil sample corresponding to the muck image to form a data set; carrying out feature extraction on the muck image based on a deep convolutional neural network, outputting multi-layer semantic features, and combining the multi-layer semantic features with the image statistical feature vector to form a fusion feature vector; building a liquid index regression model based on the multi-layer perceptron, inputting a fusion feature vector, and outputting a liquid index predicted value; and a muck flow plasticity classification index is constructed according to the liquid index value and is used for dividing flow plasticity grades. According to the invention, accurate and automatic monitoring of the flow plasticity of the shield muck can be realized.

This invention provides a method for predicting the degree of consolidation and settlement of soil using a horizontal drainage board combined with vacuum preloading. By acquiring the basic parameters of the target soil, the design parameters of the target project, and the vacuum front height, the average pore pressure is calculated based on the consolidation coefficient, water unit weight, initial hydraulic gradient, vacuum load magnitude, maximum drainage distance, and vacuum front height. The average degree of consolidation of the target soil is then calculated by combining the average pore pressure and the vacuum load magnitude. Finally, the settlement of the target soil is calculated by combining the average pore pressure, initial void ratio, compression index, initial effective stress, and maximum drainage distance. This invention can effectively predict the average degree of consolidation and settlement of soil subjected to drainage and consolidation treatment using a horizontal drainage board under vacuum conditions. The prediction results can provide a theoretical basis for the design method of using horizontal drainage boards to treat river silt.

The present application relates to the technical field of shield construction, and provides a soil pressure balance shield muck volume measuring and calculating method based on three-dimensional muck bucket scanning, which comprises the following steps: step 1, preprocessing: filtering out other parts except the muck bucket, wherein the other parts include a railcar head and a pipe piece; step 2, muck bucket separation: dividing the muck bucket into independent point cloud clusters; step 3, coarse segmentation: firstly, removing the point clouds of the left and right side walls of the muck bucket; secondly, removing the point clouds of the front and back side walls of the muck; step 4, fine segmentation: removing the residual point clouds of the front and back side walls again; then, filtering the scattered points left in the above steps, that is, removing noise points; step 5, volume calculation: completing the missing point clouds in the middle of the empty muck bucket, dividing the obtained pure muck surface points into triangular meshes, and realizing muck bucket loading volume calculation; and obtaining the single tunneling ring muck volume by subtracting the full-load muck bucket volume result from the empty-load muck bucket volume result. The present application can preferably measure and calculate the muck volume.

The invention relates to the technical field of tunnel engineering, and discloses a soil pressure shield spewing prevention and control method and system based on super absorbent resin, a shield tunneling machine and a medium. The soil pressure shield spewing prevention and control method based on the super absorbent resin comprises the steps that geological risk information of a soil pressure shield is obtained; according to the geological risk information, super absorbent resin is sprayed into a soil cabin before tunneling; in the tunneling process, muck water content information and soil cabin pressure information are obtained; and according to the muck water content information and the soil cabin pressure information, super absorbent resin is injected into the soil cabin in the tunneling process, so that spewing prevention and control are completed. The utilization rate of the super absorbent resin can be increased, and the spewing prevention and control efficiency is improved.

The utility model discloses a spiral rotor of a rheometer, which belongs to the technical field of shield muck improvement and comprises a connector used for being connected with a rheometer machine body, the connector is detachably connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected with a measuring head, and a spiral blade is fixedly connected outside the measuring head. And the measuring head and the spiral blade are arranged corresponding to a sample container on the rheometer machine body. According to the utility model, the problem of soil compaction can be solved, the rheological property of the soil body in the spiral conveyor in a flowing state can be reflected more truly, and the accuracy of a measurement result is improved; the measuring head extends into the sample to be measured, the change of soil rheological properties can be more sensitively sensed, powerful support is provided for accurate measurement and evaluation of soil rheological parameters, and a more accurate measurement result can provide technical support and theoretical basis for application of muck improvement in treatment of blockage and spewing of a spiral conveyor.

This invention discloses an automatic drainage and modified soil recycling system and its working method for preventing blowouts in shield tunneling screw conveyors, belonging to the field of shield tunneling technology. The automatic drainage and modified soil recycling system for preventing blowouts in shield tunneling screw conveyors includes a screw conveyor, a high-pressure automatic drainage system, and a modified soil recycling system. The high-pressure automatic drainage system includes four water pressure relief valves evenly spaced along the axial direction of the screw conveyor on its upper side. These valves are connected to drainage pipelines and are uniformly regulated by a drainage integrated system. The modified soil recycling system includes a transfer box, a transverse conveying device, a return conveying device, and a soil conditioner injection system. Through the coordinated operation of the high-pressure automatic drainage system and the modified soil recycling system, real-time intelligent control of the water pressure within the screw conveyor and efficient recycling of the modified soil are achieved, effectively reducing the risk of blowouts, improving the soil conditioner effect, and reducing the use of chemical agents.

The invention relates to the technical field of rock soil and bridge foundation engineering, and particularly provides a method for calculating the vertical bearing capacity of ultra-deep and thick mucky soft soil ultra-long pile groups. The method comprises the steps that parameters are obtained and inverted, and a three-dimensional saturated soft soil u-p coupling model is constructed; carrying out construction-consolidation-immersion time sequence simulation, multi-source traffic dynamic load construction and coupling transmission; pile-soil interface bonding-sliding-softening constitutive, negative friction and neutral point recognition and redistribution updating; performing energy judgment of pile group efficiency and cyclic dynamic effect decrement evaluation; obtaining a static-dynamic expression and an algorithm of the vertical bearing capacity; service settlement, DAF and reliability consistency criteria are carried out; design and operation parameters are automatically optimized, and a software system and a data stream are realized; according to the method, the spectral characteristics and the transmission path of the multi-source traffic dynamic load can be accurately represented, and the energy dissipation and the efficiency change of the pile group can be quantified.

The invention relates to the technical field of ecological environmental protection, and discloses an artificial kandelia candel forest ecological system carbon sequestration and sink increase method, which comprises two core modules, namely an accurate monitoring system construction module and a vegetation and soil collaborative cultivation module. According to the precise monitoring system, precise recognition of the ecological state of the artificial kandelia candel forest is achieved through tide cooperation flight planning, multi-index conjoint analysis and masking and radiometric calibration and standardization, vegetation and soil cooperation cultivation is directionally optimized based on the monitoring result, and finally the carbon sequestration and sink increasing capacity is improved. According to the method, the low-tide-level illumination stable time period is locked through tide cooperative flight planning, the vegetation index is adjusted in combination with an NDWI water body mask and MSAVI soil, and water surface reflection and silt background interference are thoroughly eliminated; according to the method, ground felling or close-range plant contact is not needed, and the damage of traditional investigation to the ecological structure of the kandelia candel forest is avoided through long-distance non-contact monitoring of the multispectral unmanned aerial vehicle.

The application discloses a kind of utility evaluation and proportioning optimization method of solid waste in silt soft soil treatment in the technical field of inorganic composite material.The method comprises the following steps: S1: carry out pH value test and x fluorescence test to the industrial solid waste to be used, the industrial solid waste to be used is divided into two categories: I is silicon aluminum base waste residue or alkaline waste residue, II is gypsum base waste residue;S2: construct the strength prediction model of pure cement silt solidified soil, and carry out coefficient calibration;S3: based on the strength prediction model of pure cement silt solidified soil, construct the strength prediction model of waste residue base silt solidified soil, and carry out coefficient calibration;S4: according to waste residue base silt solidified soil strength prediction model, the proportioning of each type of waste residue is optimized and adjusted.The utility evaluation and proportioning optimization method based on the strength prediction model of waste residue base silt solidified soil can not only realize the rapid and effective evaluation of silt solidified soil strength under different waste residue proportioning, but also optimize the waste residue proportioning in solidified silt soil.

The invention relates to a sludge biochar-based ecological slope protection material as well as a preparation method and application thereof. The material comprises the following raw material components in parts by weight: 10-15 parts of sludge-based biochar, 60-70 parts of pretreated sludge, 5-10 parts of cement and 3-5 parts of a stabilizer. Wherein the pretreated sludge is prepared by dehydrating, solidifying and drying sludge, and the sludge-based biochar is biochar prepared by performing high-temperature pyrolysis on the pretreated sludge. Compared with the prior art, reduction, recycling and harmlessness treatment of the sludge is achieved, and the ecological slope protection material which is good in stability, excellent in ecological restoration function and high in landscape fusion degree is prepared.

The invention relates to the field of water and soil loss prediction, in particular to a slope water and soil loss prediction system for a channel type waste slag field, which comprises an image acquisition module, an image processing module, a data processing module, a data processing module and a data processing module, and is characterized in that the image acquisition module is used for acquiring a slope single-stage cut slope surface image, and the image processing module is used for constructing a particle size curve from a slope top to a slope bottom; the water seepage measuring module is used for measuring a first water seepage rate and a second water seepage rate of muck at a plurality of point positions from the slope top to the slope bottom of the single-stage cut slope, and the water seepage data processing module is used for constructing a first water seepage curve and a second water seepage curve from the slope top to the slope bottom; the checking module is used for checking whether the water and soil conservation of the single-stage cut slope meets a preset standard or not according to the average slope of the first water seepage curve when the water and soil conservation of the single-stage cut slope is preliminarily judged not to meet the preset standard according to the average slope of the particle size curve; and the prediction analysis module is used for determining a corresponding single-stage slope cutting correction mode according to the average slope of the second water seepage curve. According to the invention, the prediction precision of the water and soil loss trend of the side slope where muck accumulation is completed is improved.

The application provides a shield muck improvement intelligent decision-making method and system based on mechanism and model fusion, and belongs to the technical field of intelligent underground engineering. The method comprises the following steps: collecting representative stratum soil samples in a construction section, carrying out a slump test and a rheological test on the prepared samples, obtaining data of a flow plasticity index representing muck flow plasticity, and extracting a muck improvement physical boundary; collecting historical time series data in a shield continuous tunneling process for pretreatment, and constructing a training sample set; training a Transform time series regression model based on the training sample set, and predicting corresponding performance parameters based on the trained Transform time series regression model; under the constraint of the muck improvement physical boundary, constructing a multi-objective optimization model based on the predicted key performance parameters, obtaining a Pareto optimal control parameter solution set based on an NSGA-II evolution algorithm, and screening a recommended scheme from the Pareto optimal control parameter solution set. The application realizes the change of shield muck improvement from experience driving to mechanism and data fusion driving.

The invention discloses a muck recycling and backfilling method for a soft rock tunnel, and relates to the technical field of soft rock tunnel construction.The muck recycling and backfilling method for the soft rock tunnel comprises the steps that muck is graded on the basis of soft rock structural plane characteristics of the soft rock tunnel, and graded muck is obtained; the graded muck is pretreated, and target muck is obtained; modifying the target muck to obtain backfilled muck; and the soft rock tunnel is subjected to layered backfilling through the backfilling muck, and muck recycling and backfilling construction of the soft rock tunnel is completed. According to the method, the muck of the soft rock tunnel is subjected to multi-stage classification through the soft rock structural plane characteristics of the soft rock tunnel, a basis is provided for subsequent modification treatment, the soft rock tunnel is subjected to layered backfill by utilizing the backfill muck, so that the muck is subjected to multi-dimensional classification, the modification treatment pertinence is improved, the structural plane characteristics are effectively utilized, and the resource utilization efficiency is improved. Classification and utilization of muck resources are achieved, the environmental burden is relieved, and the construction cost of the soft rock tunnel is reduced.

The application belongs to the technical field of shield construction and provides a soil pressure balance shield model test device, which comprises a rack, a sample mold, a moving bin and a test control system. The sample mold is fixed to one end of the inner cavity of the rack through a mold fixing frame. The moving bin is slidably connected to the other end of the inner cavity of the rack, and moves along a first direction. The moving bin comprises a soil bin and a foam configuration bin, which are independent cavities. The soil bin is rotationally connected with a cutting tool. The foam configuration bin is provided with a foam generator and a screw conveyor. The moving bin is provided with the test control system. The foam generator and the cutting tool are connected with each other and connected with the screw conveyor, so that the mechanical properties of the muck are monitored, the horizontal precise tunneling of the soil sample is performed, and the muck is discharged at the same time in the state of real-time foam modifier input.

The utility model relates to the technical field of desilting equipment, in particular to hydraulic desilting equipment which comprises a water pump used for conveying a desilting water source, and further comprises a water supply part used for providing a scouring water source for desilting, a water conveying pipe installed at the water outlet end of the water pump in a communicating mode and a plurality of branch pipes arranged on the water conveying pipe in a communicating mode. A second silt washing nozzle and a first silt washing nozzle are respectively arranged on the water conveying pipe and the branch pipe in a communicating manner; the fixing assembly comprises a support used for installing the water conveying pipe, and the support is fixed to the base through an anchor plate; the water conveying pipe can be rapidly disassembled and assembled through the arranged fixing assembly, the arranged first silt flushing nozzle and the arranged second silt flushing nozzle can apply flushing water flow for flushing mucky soil, the hydraulic flushing principle can be utilized, the defects of a traditional desilting mode can be overcome, rapid and efficient cleaning of the mucky soil at the bottom of the gate is achieved, and the service life of the gate is prolonged. Normal operation of water conservancy facilities can be guaranteed; the device is simple and reliable in structure and has practicability.

The present application relates to the technical field of classification processing device in the field of construction engineering, especially to a rotary drilling rig muck classification processing device, which comprises a processing box mounted on a U-shaped plate, the processing box is in the shape of a square tube, a first opening is formed in the top end of the side wall of the processing box, a second opening is formed in the bottom end of the side wall of the processing box, a separation mechanism is arranged in the processing box, an auxiliary mechanism is mounted on the processing box, and a driving mechanism is arranged outside the processing box; the dug soil is poured into the processing box, the separation mechanism is used to separate the stones and the soil, the driving mechanism is started when the stones and the soil are separated, the auxiliary mechanism improves the separation efficiency of the separation mechanism, the stones are collected by the first collecting mechanism from the first opening, and the soil flows out of the second opening and is collected by the second collecting mechanism, so that the separation effect of the stones and the soil is realized.

This invention relates to the field of tunnel boring machine (TBM) construction technology, specifically to a real-time detection system and deduction method for fine-grained soil content in TBM excavated soil based on multi-parameter fusion. The system includes a multi-parameter sensor unit, a data acquisition and transmission unit, a data processing and analysis unit, and a display unit. In this invention, the system rapidly detects the fine-grained soil content in the slurry separated from the TBM excavated soil using an intelligent density meter after sedimentation. A correction algorithm based on the data difference law obtained from indoor experiments is introduced to correct the fine-grained soil content data obtained from the intelligent density meter. Using a multi-parameter fusion algorithm, the system comprehensively analyzes various processed TBM excavated soil data, achieving rapid detection and analysis of changes in the fine-grained soil component in the TBM excavated soil. This system solves the problems of long processing time, complex operation, and poor adaptability of traditional density meter methods. The detection system enables real-time monitoring of fine-grained soil content, providing a basis for the resource utilization of excavated soil.

The application discloses a deep foundation pit construction method for in-situ mucky soil, which comprises the following steps: dividing a to-be-processed area into a plurality of square blocks and a plurality of layer step regions; performing the following operations on each step region in the to-be-processed area in sequence from top to bottom: adding a solidifying agent, stirring and standing, digging out the mucky soil after solidification, and setting a protective layer; adding the solidifying agent into the mucky soil at the bottom of the lowermost layer step region, stirring uniformly and standing, and constructing after the mucky soil meets the design requirement of solidification strength. The mucky soil of the foundation pit is solidified by using a soil solidifying agent, and a single process is used for construction, so that the difficulty of excavation is reduced. The deep foundation pit construction method for in-situ mucky soil solidifies the bottom and the slope of the foundation pit, has simple construction technology and convenient on-site construction. The anti-seepage performance of the soil after solidification treatment is obviously improved, and the seepage of the foundation pit can be effectively reduced. The solidified soil has a relatively short setting time, saves the engineering construction period, and has good economic benefits.

The invention relates to the technical field of experiments for cutting a pile foundation under complex geological conditions of an earth pressure shield, and discloses an experimental device for simulating cutting of the pile foundation by the earth pressure shield and an experimental method of the experimental device. The technical problems that in the prior art, a shield cutting pile foundation experiment device is insufficient in multi-parameter coupling simulation, the visualization of the pile foundation damage process is deficient, and the muck improvement effect cannot be quantitatively evaluated are solved. The system comprises a double-hydraulic-cylinder propelling module, a multi-sensor cutterhead dynamic monitoring module, a soil bin pressure dynamic balance control module, a pile foundation damage visualization module, a fiber bragg grating distributed sensing module, a double-medium collaborative injection module, a synchronous data acquisition module and a multi-parameter coupling control module. Complex working conditions can be simulated, multi-parameter dynamic coupling control over the cutter rotating speed, the propelling speed, the soil bin pressure and the like is achieved, and dynamic failure modes such as pile foundation shearing, bending and crushing are captured in real time.

The invention relates to the field of geotechnical engineering, and discloses a device and a method for automatically testing disintegration of solidified muck under water-heat-force coupling. The device comprises a test container, a transmission and loading assembly, a temperature control system, a dynamic flow field simulation assembly, an image acquisition assembly and a computer processing system, and the coupling effect of a water field, a thermal field and a force field is realized in the same test space by cooperatively regulating and controlling the disintegration liquid temperature, the water flow shearing condition and the sample immersion state. According to the method, the soaking disintegration test is performed on the solidified muck sample based on the device, mechanical response data and image information are synchronously acquired in the test process, and the disintegration stabilization time is automatically judged according to the change condition of the disintegration amount along with time, so that automatic control and multi-parameter synchronous acquisition of the disintegration test process are realized; and an objective and reliable test means is provided for evaluating the water stability of the solidified muck.

The utility model relates to mechanical field and relates to a contaminated soil detection sampling processing all -in -one, including a floater, the middle part of floater is equipped with a center hole, sampling mechanism is slidably matched in the center hole, a vertical rod is equipped on the floater, the vertical rod is fixedly connected with linear motor sliding table, sampling mechanism is slidably matched on the linear motor sliding table, the utility model discloses a fixed -depth soil sampling of fixed point position can be realized by utilizing sampling mechanism, the technical defects that people are difficult to walk in the silt shoal in the prior art are solved, and the automatic soil sampling of the three electric cylinders in the sampling mechanism is utilized to realize the soil automatic sampling dissolution into the aqueous solution and realizes the automatic separation of sampling aqueous solution, and people only need to utilize the water pipe to flow out the solution later, and the equipment is high in degree of automation.

The invention relates to the technical field of classification treatment devices in the field of constructional engineering, in particular to a rotary drilling rig muck classification treatment device which comprises a treatment box installed on a U-shaped plate, the treatment box is in a square tube shape, a first opening is formed in the top end of the side wall of one side of the treatment box, and a second opening is formed in the bottom end of the side wall of the other side of the treatment box. A separation mechanism is arranged in the treatment box, an auxiliary mechanism is mounted on the treatment box, and a driving mechanism is arranged on the outer side of the treatment box; dug soil is poured into a treatment box, stones and the soil are separated through a separation mechanism, when the stones and the soil are separated, a driving mechanism is started, an auxiliary mechanism improves the separation efficiency of the separation mechanism, the stones are collected by a first collection mechanism from a first opening, and the soil flows out of a second opening and is collected by a second collection mechanism; and the stone and soil separation effect is achieved.

The invention relates to a flow-state solidified soil production and filling system based on multi-source heterogeneous data fusion. The flow-state solidified soil production and filling system comprises an intelligent production unit, an intelligent filling unit and a multi-source heterogeneous data fusion platform. Wherein the intelligent production unit comprises a self-grinding feeding module, an intelligent proportioning module and a self-adaptive stirring module which are arranged in sequence, and the intelligent production unit is used for converting waste muck into flow-state solidified soil; the intelligent filling unit is used for receiving and filling the flow-state solidified soil output by the self-adaptive stirring module; through fusion and intelligent decision making of the multi-source heterogeneous data fusion platform on full-process multi-source data, the material state and environment change can be sensed in real time, parameters of all links are dynamically adjusted, production and filling of the flow-state solidified soil become a coherent process which is adjustable in whole and controllable in performance, and the production efficiency of the flow-state solidified soil is improved. The core technical problems of open loop of the production process, disconnection of all links and incapability of self-adaptive adjustment are systematically solved, and the stability and the reliability of the final project quality are ensured.

The application discloses a kind of for soft rock tunnel's muck recycling backfill method, it is related to soft rock tunnel construction technical field, wherein, the muck recycling backfill method for soft rock tunnel includes the grading of muck based on the soft rock structure surface feature of soft rock tunnel, obtains classified muck;Pretreatment classified muck, obtain target muck;Modification target muck, obtain backfill muck;Utilize backfill muck to carry out layered backfill to soft rock tunnel, complete the muck recycling backfill construction of soft rock tunnel.The application carries out multistage classification to the muck of soft rock tunnel by the soft rock structure surface feature of soft rock tunnel, provides basis for subsequent modification processing, and utilizes backfill muck to carry out layered backfill to soft rock tunnel, so that muck multidimensional classification, improve modification processing pertinence, effectively utilize structure surface feature and improve resource utilization efficiency.Realize the classification and utilization of muck resources, reduce environmental burden and reduce the construction cost of soft rock tunnel.