543 results about "Underground space" patented technology

The invention relates to the technical field of tunnel and underground space robot autonomous navigation, and provides a tunnel path planning method and system for clearance corridor and elastic geodesic refinement, and the method comprises the steps: calculating the Euclidean distance from a structural terrain to a nearest obstacle or wall, taking the Euclidean distance as clearance, generating a direction-independent cost, and constructing a dual metric; running Riemannian geometry fast travel and backtracking geodesic under the condition that starting and ending point pixel coordinates are given to obtain a coarse path, after rasterization, calculating the distance from pixels to the coarse path, obtaining a widening radius by using clearance along the coarse path, performing nearest neighbor propagation to a global domain to obtain a radius graph, defining a corridor, and performing corner propagation by the coarse path to obtain an approximate curvature field; calculating to obtain a score, partitioning through thresholding, performing piecewise linear penalty, updating the total cost related to the direction, re-marking according to partitions, taking the reciprocal as a velocity field, and obtaining a final path through a solver. The problems of safe obstacle avoidance, curvature control and efficient solution need to be met at the same time in engineering are solved.

The invention discloses an underground chamber structure of a compressed air energy storage power station, a construction method and a parameter optimization design method, and belongs to the field of compressed air energy storage and underground space engineering. A hard rock stratum building chamber is determined through systematic site selection investigation, a high-performance concrete lining (containing fiber reinforcement) and a polyurethane buffer layer are adopted to synergistically improve the stability, and a vinyl ester resin-based glass fiber reinforced plastic three-layer composite structure serves as a sealing layer (including a bonding layer, a reinforcement layer and an impermeable layer); the processes of sand blasting pretreatment, stepped joint and the like are combined to guarantee the sealing performance; meanwhile, on the basis of a finite element model, structural parameters are optimized by taking the lowest whole life cycle cost as a target and taking strength, deformation, leakage rate and the like as constraints, and a recommended parameter combination of each structural layer is obtained in combination with an orthogonal experimental design and an improved genetic algorithm. The method is suitable for various geological conditions, the safety, economical efficiency and adaptability of the compressed air energy storage power station are effectively improved, and the method is suitable for large-scale application and popularization.

The invention discloses an underground mine measurement and resource reserve estimation method and system. The method comprises the following steps: S1, acquiring point cloud data of a mine underground space in different periods and a panoramic image of a mine underground environment; s2, preprocessing the panoramic image and the point cloud data in the same period, establishing a mapping relation between the point cloud data and the panoramic image, and obtaining a colored point cloud data set and a lightweight three-dimensional model; s3, performing ore block sample feature extraction on the colored point cloud data set, and delineating the boundary of an ore body; s4, constructing an ore body block grid model according to the delineated ore body boundary; s5, repeating the steps S2-S4 to obtain ore body block grid models in different periods; s6, overlapping the ore body block grid models in different periods to obtain an ore body change three-dimensional model; and S7, according to the ore body change three-dimensional model, estimating the ore body increase and decrease change volume, namely the underground mine resource reserve change result. The method can accurately estimate the volume of the increase and decrease change of the ore body.

The invention relates to the technical field of underground space development, and provides a coastal bedrock type city underground space development geological suitability evaluation method comprising the following steps: analyzing key geological problems of land area and sea area underground space development, and extracting related geological factors; basic geological data are collected and classified, a geological suitability evaluation index system is constructed, and geological evaluation units are divided; subjective and objective weights are determined based on an analytic hierarchy process and an entropy weight method, and an optimal comprehensive weight is obtained through game theory combination weighting; modeling based on a grey correlation analysis method, and calculating and grading suitability scores of the evaluation units; and integrating evaluation results, and generating an underground space development geological suitability partition map of land-sea overall planning. According to the scheme, the underground space development pattern is optimized, comprehensive utilization of land and ocean resources is promoted, and safe, efficient and sustainable development and utilization of the coastal city underground space are powerfully supported.

The invention provides an underground space multi-disaster coupling effect quantitative evaluation and quantitative control system and method. The system is characterized in that a multi-source sensing module, a data fusion and preprocessing module, a coupling risk evaluation module and a quantitative control decision module are connected in sequence; the method comprises the following steps: collecting multi-source heterogeneous monitoring data for a long time based on the multi-source sensing module; performing space-time registration, denoising and missing value interpolation on the multi-source heterogeneous monitoring data, and calculating an original disaster intensity index; performing normalization processing on different disaster intensity indexes, constructing a time-varying coupling factor between disasters, and calculating a comprehensive risk index by using a coupling risk assessment module; the quantitative control decision module performs dynamic risk grading based on the comprehensive risk index; and the quantitative control decision module calls and executes a quantitative control strategy from a preset strategy library based on the risk grading result and the dominant disaster mode combination. According to the invention, accurate monitoring and early warning of mine underground engineering disasters can be realized, and corresponding control decisions can be automatically generated.

The invention discloses an urban underground space water level risk dynamic assessment method and device, and relates to the technical field of water level risk assessment, and the method comprises the steps: collecting underground space utilization characteristics of a preset city; collecting underground space geologic structure information of the preset city; the method comprises the following steps: collecting underground water level and rainfall information in real time through a laid sensor network, performing risk grading evaluation, and generating a water level risk grade; and performing underground water level risk prediction according to the water level risk level. According to the method, the technical problem that the underground water level risk management scientificity is insufficient due to the lack of dynamics and accuracy in urban underground space water level risk assessment in the prior art is solved, and the dynamic assessment and prediction of the urban underground space water level risk are realized; and the scientificity and accuracy of underground water level risk management are improved.

The invention discloses a multipath relay transmission method and system for underground confined space construction data, and belongs to the technical field of wireless communication network routing, and the method comprises the steps: obtaining a signal quality parameter of a communication link and a distribution density parameter of an ad hoc network node, and combining the load state of the node and the information of a neighbor node, decision calculation is executed on a plurality of relay nodes in parallel, relay decision vectors corresponding to the relay decision vectors are generated, a plurality of candidate transmission paths are formed through evaluation, construction data blocks to be transmitted are fragmented and distributed to the corresponding optimal candidate transmission paths to be sent in parallel, all received data fragmented sub-blocks are verified and recombined, and the construction data blocks to be transmitted are obtained. And recovering a complete construction data block. A distributed relay decision based on network state feature fusion, data adaptive fragmentation based on path stability and a multipath parallel transmission and feedback optimization mechanism are adopted, so that the data transmission reliability in an underground complex environment can be improved, the transmission delay is reduced, and the dynamic optimization of network performance is realized.

The invention discloses a sensor optimization arrangement method and system for rapid identification of physical field parameters of a tunnel with a long construction period, and relates to the technical field of underground space sensor arrangement. Sequentially establishing a tunnel geometric model, a physical model and a grid model, and setting boundary conditions to obtain a tunnel internal CFD model; verifying and correcting the CFD model in the tunnel based on the monitoring data after actual installation, and carrying out preliminary tunnel simulation by using the corrected model; and obtaining a weighted fusion mean value of tunnel physical field parameters based on a preliminary tunnel simulation result, carrying out deviation analysis on the weighted fusion mean value and a physical field parameter mean value at different heights, selecting a height range with a minimum error, and combining with a typical installation position to determine an optimal sensor layout scheme. According to the method, more accurate sensor monitoring data can be obtained by using a small number of sensors, and the identification speed and accuracy of tunnel physical field parameters are improved, so that potential safety hazards in a tunnel can be found and prevented in time.

The invention discloses a prediction method for the underground space development capacity of a comprehensive transportation junction, and relates to the technical field of development capacity prediction, and the method comprises the steps: carrying out the discreteness analysis of distributed transfer nodes, and positioning a transfer function space range; carrying out passenger flow data acquisition to obtain distributed peak passenger flow data; carrying out extreme transfer scene accommodation deduction to obtain peak hour passenger flow; performing functional space scale derivation, and outputting a transfer core area; mapping the transfer core area into a transfer core space topology; constructing a transfer space envelope; and positioning an underground space development range. The technical problems that in the prior art, the underground space development range of the comprehensive transportation hub is difficult to adapt to the transfer demand, the development capacity is not clear, and the development planning is lack of accuracy are solved, and the underground space development range which adapts to the transfer demand and identifies the development capacity is achieved. And the accuracy and feasibility of underground space development planning are improved.

According to the urban underground space flood control toughness evaluation method and system based on multi-level feature fusion provided by the invention, a multi-level urban underground space flood control toughness evaluation index system of'target layer-sub-target layer-criterion layer-index layer 'is established; and urban underground space flood control toughness grade division and a toughness grading standard of each evaluation index are determined. The index weight of each level is determined based on the analytic hierarchy process and the fuzzy comprehensive evaluation method, then fuzzy comprehensive evaluation is carried out step by step, a final toughness evaluation result is obtained, the urban underground space flood prevention capacity under the extreme flood condition can be comprehensively and reasonably evaluated, and reference is provided for urban underground space flood prevention toughness analysis in the operation period.

The invention relates to the technical field of robot positioning and map construction, and particularly discloses a self-adaptive LiDAR-IMU SLAM method fusing intensity features and Riemannian manifold ground constraints, and the LiDAR-IMU SLAM method comprises the following steps: a, original measurement; b, data preprocessing; c, feature extraction; d, carrying out ground manifold constraint; e, optimizing the factor graph; and f, outputting data. The method can solve the problems that in the prior art, matching fails in a low-texture environment due to dependence on geometric features, positioning drifting is caused by point cloud distortion and inertial accumulative errors, and Z-axis errors are continuously expanded due to lack of dynamic adaptation to complex terrains. Experimental results show that according to the self-adaptive LiDAR-IMU SLAM method, the Z-axis drift error is remarkably reduced by 67.78%, the minimum absolute pose error is 0.254 m, the environment sensing and mapping capacity of the mobile robot in the complex underground space is remarkably improved, and reliable technical support is provided for intelligent inspection and infrastructure monitoring of the underground space.

The invention relates to a refined three-dimensional geological modeling method based on a geophysical prospecting three-dimensional inversion algorithm, and belongs to the field of geological exploration, and the method comprises the steps: obtaining multi-source data, constructing an initial model, and obtaining a three-dimensional physical property model through the combined constraint of the three-dimensional inversion algorithm; creating a lithology classifier, generating a three-dimensional lithology probability body according to the three-dimensional physical property model, performing geological structure boundary enhancement, and performing geological classification based on the probability body; and extracting a contour surface from the three-dimensional lithologic probability body, generating a preliminary geological interface, performing construction processing, performing attribute model coupling, and outputting a model. According to the method, the spatial continuous model is directly constructed through three-dimensional joint inversion, and interpolation errors between measuring lines are avoided; drilling data forced matching and geophysical prospecting data trend control consider both local precision and global rationality; the whole process algorithm is driven from inversion to lithology classification, and manual intervention is reduced; the method is suitable for high-precision scenes such as urban underground space, mineral exploration and geological disaster assessment.

The invention discloses a single-circle staggered island shield metro station and a construction method thereof, and belongs to the technical field of metro, the metro station comprises a plurality of sections of tubular shield segments, a metro station space is formed in the shield segments, and a prefabricated opening part, a shielding door system and an assembly type middle plate are sequentially arranged in the metro station space from bottom to top; the subway station space is divided into a platform layer and a station hall layer through the assembly type middle plate, and the middle of the assembly type middle plate is supported through concrete middle partition walls arranged in the two shielding door systems at intervals in the longitudinal direction. Two fixed doors and two movable doors are further arranged between every two adjacent concrete mid-partition walls, the two sides of the two fixed doors are connected with the concrete mid-partition walls and the movable doors respectively, and the two movable doors can slide relative to the two fixed doors respectively and are used for communicating or separating the platform area and the rail-mounted area. According to the single-circle staggered island shield subway station, the space occupied by the shielding door can be reduced, the internal structure of the station is compact, the underground space is effectively utilized, and the shield diameter of the station is reduced.

The invention discloses a method for determining a hydrogen and water relative permeability curve of an underground hydrogen storage and related equipment, and relates to the field of underground space engineering.The method comprises the steps that a microscopic computed tomography image of a rock sample in the hydrogen flooding process is obtained; performing characterization unit analysis on the pore structure of the microscopic computed tomography image to construct a first pore structured grid model, the first pore structured grid model being used for characterizing the pore structure of the rock sample, and the first pore structured grid model comprising a coordinate system of the pore structure; by taking a coordinate system of the first pore structured grid model as a reference, mapping the wettability distribution data to the first pore structured grid model through the corresponding coordinate position to obtain a second pore structured grid model, the wettability distribution data is calculated along a three-phase contact line of rock, hydrogen and water extracted from the microscopic computed tomography image; and performing water-driven hydrogen two-phase flow simulation operation on the second pore structured grid model to obtain a hydrogen and water relative permeability curve of the hydrogen storage bank.

The invention discloses a mine underground space recycling project disaster-causing key factor identification method, and relates to the technical field of underground space energy storage. The method comprises the following steps: firstly, collecting multi-source monitoring data such as displacement, microseism, stress and the like, and carrying out timestamp alignment, denoising and interpolation completion preprocessing through improved bidirectional dynamic time warping, Hampel filtering and GRU-D algorithms; converting the data to generate an initial index set containing the underground space stability state rate and the inter-field coupling strength, and screening out an optimal index subset through 20-50 generations of Bayesian optimization search and 5-fold cross validation; constructing a multi-field coupling dynamic graph based on the subset; and finally, inputting the dynamic graph into a graph neural network, outputting a node importance degree sequence through a GNN Explainer algorithm, and determining disaster-causing key factors. According to the method, multi-source data and a multi-field coupling mechanism are fused, the recognition accuracy and the model interpretability are improved, and technical support is provided for safe operation and disaster prevention and control of mine underground space recycling engineering.

The invention discloses a planned building BIM-oriented underground space conflict detection method, which relates to the technical field of space detection, and comprises the following steps: determining a three-dimensional space range for conflict analysis according to basic design information of a planned building and site engineering geological information; the three-dimensional space range changes in the horizontal direction and the vertical direction along with the basic characteristics of the planned building and the surrounding soil conditions; based on a three-dimensional space range, intercepting all underground facility elements completely or partially located in the three-dimensional space range from a current underground space database, and defining the elements as a potential conflict element set; meanwhile, all foundation and underground structural members intersecting with the three-dimensional space range in the planned building are extracted and defined as a to-be-detected member set, the comprehensiveness and pertinence of underground space conflict detection are improved, and engineering risks caused by indirect conflict omission are reduced.

The invention relates to the technical field of mine safety monitoring, and discloses a coal mine underground space digital twinning system based on numerical simulation, which comprises the following modules: a multi-source sensor assembly arranged in a roadway surrounding rock and used for collecting stress, displacement, anchor rod axial force and vibration data in real time; according to the coal mine underground space digital twinning system based on numerical simulation, dimension spanning from single index trend analysis to full-field stress and displacement continuous evolution process prediction is achieved, and more comprehensive stability cognition is provided. Model parameters are continuously updated through a dynamic self-calibration mechanism, a traditional method depending on fixed empirical values is replaced, and the long-term fidelity and prediction accuracy of the model under complex geological conditions are remarkably improved. The system provides a visual risk map based on simulation deduction and a multi-scene simulation function, the dependence on artificial experience is reduced, and a visual and scientific basis is provided for support scheme optimization and disaster emergency decision making.

The invention provides an energy duct piece prefabrication production process, and belongs to the technical field of shield engineering construction in urban rail transit. In order to solve the problems that a heat source generated in the subway operation stage easily causes underground space thermal pollution, traditional ventilation and heat extraction waste energy, and a traditional ground heat exchanger is large in construction difficulty and high in manufacturing cost, the technology comprises the steps that a capillary network heat exchanger is pre-buried in a prefabricated tube piece; the waste heat in the tunnel is conducted to the building on the ground for heating through material field storage, capillary network heat exchanger installation, duct piece pouring maintenance, leak detection test, duct piece splicing, energy duct piece and main pipe connection and a heat pump unit. Efficient energy utilization, energy conservation and emission reduction are achieved, construction operation is simple, duct piece forming quality is stable, underground heat pollution can be solved, heat balance of the tunnel environment and urban underground space is improved, and operation and maintenance cost is reduced.

The invention relates to the technical field of deep underground engineering, in particular to a deep underground space lining joint construction method which comprises the following steps: S1, binding a reinforcement cage of a preliminary support lining in advance, fixing a joint waterproof steel plate at the end part of the reinforcement cage, and respectively fixing a first rubber capsule and a second rubber capsule on two sides of the joint waterproof steel plate; s2, a reinforcement cage of the first preliminary bracing lining is hoisted, a formwork of the first preliminary bracing lining is built, then water is injected into the first rubber bag and the second rubber bag, the first rubber bag is made to be tightly attached to the rock wall, and the second rubber bag is made to be tightly attached to the formwork; s3, concrete pouring of the previous primary support lining is carried out, and then construction of the subsequent primary support lining is completed; s4, water in the first rubber bag is pumped out, slurry is injected into the first rubber bag for pressurization until the first rubber bag is broken through, and the seams are filled with the slurry; and S5, construction of a secondary lining at the joint is completed, then water in the second rubber bag is pumped out, slurry is injected into the second rubber bag for pressurization till the second rubber bag is broken through, and the joint is filled with the slurry. According to the method, concrete can be prevented from flowing around, the construction quality of the primary support lining is ensured, meanwhile, effective water stopping at the lining seam can be achieved, and the long-term stability of the deep underground space is ensured.

The invention provides an intelligent underground space ground surface settlement remote sensing identification and evaluation method, and aims to solve the problems of low monitoring efficiency, insufficient precision and lack of comprehensive risk evaluation in the prior art. Multi-scale analysis space-time filtering is adopted to suppress the atmospheric phase; then constructing an entropy weight-principal component analysis fusion model to realize multi-source feature collaborative fusion, and applying a convolutional neural network (MSA-CNN) introduced with a multi-scale space attention module to intelligently identify a settlement area and optimize a boundary; and finally, quantifying a risk level based on an improved entropy weight-fuzzy comprehensive evaluation model, carrying out trend prediction and early warning by adopting an attention-enhanced LSTM model, and integrating a result to a WebGIS platform. According to the invention, full-process automatic monitoring is realized, the false alarm rate is reduced by more than 20%, and scientific decision support is provided for safety management of underground engineering.

The invention relates to the technical field of natural resource management, in particular to a marine park natural resource right confirmation management system and method based on three-dimensional modeling. Comprising the following steps of 1, constructing a three-dimensional data model; step 2, performing visual representation; step 3, spatial analysis and calculation; 4, establishing a database and a management interface; and constructing a three-dimensional right confirmation registration unit body data model of the natural resources, and realizing three-dimensional space distribution feature description, reserve estimation, ownership boundary division and visual representation of the natural resources. The problems that traditional two-dimensional data is insufficient in precision, poor in visualization effect and low in management efficiency are solved, the precision and efficiency of natural resource management are remarkably improved, and powerful technical support is provided for overground and underground space integrated management of natural resources.

The invention relates to the technical field of asset management, in particular to an underground space value evaluation method fusing multi-source space big data, and the method comprises the steps: obtaining the multi-source space big data in real time, carrying out the time-space fusion processing of the obtained multi-source space big data, and generating a time-space data set of a target underground space; calculating a plurality of evaluation indexes of the target underground space based on the spatio-temporal data set, and predicting the value of the target underground space by using the plurality of evaluation indexes; and comprehensively evaluating the plurality of evaluation indexes through a machine learning model, and correcting the predicted value based on a comprehensive evaluation result to obtain a final evaluation value.

The present application belongs to the field of underground space development and application and transportation planning, and particularly relates to a development suitability evaluation method for urban subway freight system, which comprises the following steps: step (1), establishing an analysis framework for development suitability of urban subway freight system; step (2), evaluation indexes and quantitative calculation for development suitability of urban subway freight system; step (3), multi-source data collection; and step (4), establishment of index processing process and evaluation criteria. The present application proposes a method combining qualitative and quantitative methods to evaluate the suitability of comprehensive logistics solutions based on urban subway freight, and the evaluation content is comprehensive and operable, thereby providing reliable decision support for sustainable transition of urban freight transportation from highway dominant mode to railway collaborative transportation.

The utility model belongs to the technical field of lining pipes, and discloses a flattening reinforced lining pipe for trenchless pipeline repair, which comprises two lining pipes in butt joint, quick butt joint structures are arranged at two ends of the two lining pipes, and sealing structures are arranged on the inner walls of the two lining pipes. The quick butt joint structure comprises two butt joint grooves formed in the right end of the lining pipe and two symmetrically-distributed arc-shaped grooves formed in the inner walls of the butt joint grooves. By means of the design of the rapid butt joint structure, when two lining pipes are in butt joint, an inserting block makes contact with a movable block, the movable block rotates around a torsion spring rotating shaft, when the movable block rotates to a certain angle, the movable block rebounds by means of the elastic force of a torsion spring and tightly locks the inserting block, and therefore the positions of the two lining pipes are fixed, the construction time can be greatly shortened, and the construction efficiency is improved; the device is especially suitable for operation in a narrow underground space, and effectively overcomes the defects that a traditional connection mode is complex in operation and long in consumed time.

The invention provides an underground space communication reserved hole wall body later-stage hole communication construction method, an existing prefabricated wall body comprises a main body structure area and a reinforcing structure area, and a water stop opening method is arranged on the butt joint face of the existing prefabricated wall body, and the method comprises the steps that firstly, an automatic lock catch water stop system is installed in the reinforcing structure area of the existing prefabricated wall body, and an automatic lock catch water stop system is installed in the reinforcing structure area of the existing prefabricated wall body; a spherical rubber water stop belt is placed in the water stop opening; secondly, a to-be-built basement soil body is excavated, and to-be-built basement floors are sequentially constructed from bottom to top; 3, taking out the wall body of the hole, and arranging a vertical support at the same time; constructing a first reinforcing column on the left side of the hole; the reserved hole wall body and the existing prefabricated wall body are in butt joint and locked; sequentially taking out each wall body unit, additionally arranging a vertical support, and arranging a second reinforcing column; and fourthly, the reinforcing structure area is constructed, the existing basement floor, the existing prefabricated wall and the basement floor to be built are connected, and the lintels, the first reinforcing columns and the second reinforcing columns form a complete communicating hole.

This invention discloses a construction structure for the rapid installation of basement escalators under complex conditions. The structure includes an underground space, a "gate"-shaped prefabricated bracket fixed to the top of a concrete roof slab, an electric hoist installed on one side of an underground shear wall, the hoist being connected to a first chain passing through the "gate"-shaped prefabricated bracket and the escalator installation hole, a pulley system hoisted onto the "gate"-shaped prefabricated bracket, the pulley system being connected to a second chain passing through the escalator installation hole, and a universal wheel sliding plate at the bottom of the escalator. This invention also discloses a construction method for the rapid installation of basement escalators under complex conditions, including: 1. fixing the "gate"-shaped prefabricated bracket with guy ropes; 2. placing the universal wheel sliding plate at the bottom of the rear end of the escalator; 3. installing the electric hoist and the first chain on the underground shear wall; 4. simultaneously releasing the pulley system while the electric hoist pulls the escalator forward; S5. the escalator is installed in place. This invention solves the problems of lack of cranes and limited installation workspace in basements, and can be widely applied in underground construction.

The invention discloses a ground-air cooperative coupling multi-element energy storage system and an operation method, and relates to the technical field of energy storage. Through a three-dimensional structure of overground electrochemistry and underground thermodynamics and intelligent cooperative control, functional complementation of short-time frequency modulation and long-time energy transfer is realized; the deployment problem is solved through underground space, and the space utilization rate is increased; a complete energy gradient utilization chain from waste heat recovery, grade improvement and power generation to waste heat heating is constructed, and the comprehensive energy efficiency of the system is remarkably improved; and through a self-adaptive coordination control strategy, the safety, stability and economy of the system under multi-mode operation are ensured.

The utility model discloses a UHPC (Ultra High Performance Concrete) cable-penetrating hollow curb, and relates to the technical field of municipal engineering. Comprising a plurality of curbs arranged between a sidewalk and a road, the sidewalk is provided with a plurality of hand hole wells, each curb comprises a supporting part, the supporting part is sleeved with a U-shaped block, the U-shaped block is made of a UHPC material, the supporting part comprises a plurality of supports, a plurality of cable holes used for placing cables are formed in the supports, and the cable holes are communicated with the hand hole wells. A wire groove for threading is formed in the bottom of the side, facing the hand hole well, of the U-shaped block, and the wire groove communicates with the gap between the two adjacent supports. The U-shaped block is made of UHPC (Ultra High Performance Concrete) materials, so that the service life of the curb is effectively prolonged; the cable can be effectively protected through the support, so that the utilization efficiency of underground space is effectively improved, and the influence of tree roots on the cable is effectively avoided; and the U-shaped block is mounted on the support, so that the cable can be effectively prevented from being soaked, and the service life of the cable is effectively prolonged.

To provide a method for evaluating carbon dioxide fixation filler suitable as a technique for evaluating the long-term durability of carbon dioxide fixation filler to be placed in abandoned tunnels of closed and abandoned mines, and to provide an analysis method and analysis program applicable to said evaluation method. [Solution] One aspect of the present invention is a method for analyzing carbon dioxide fixation filler, which is a method for evaluating filler placed in an underground space, in which the filler is a carbon dioxide fixation material containing carbonate produced by reacting a starting material with carbon dioxide, and the method acquires physical quantities indicating the quality of the groundwater present in the target underground space, the temperature and depth of the underground space, the amount of carbonate contained in the filler, the dissolution rate of the filler in groundwater, the specific surface area of ​​the filler, and the ratio of the amount of groundwater inflowing into contact with the filler to the amount of filler, and analyzes changes in the amount of carbon dioxide fixation by the filler over time based on the acquired physical quantities, temperature and depth, amount of substance, dissolution rate, specific surface area, and ratio.

1. The name of the design product: round tube support type glass observation sheet. 2. The use of the design product: the product is installed in the floor, used for underground space landscape display and used for stable bearing the pressure of the passing people above. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view. 5. The submitted views of the design product have clearly shown the product, the left view is omitted; the submitted views of the design product have clearly shown the product, the right view is omitted; the rear view is the same as the front view, the rear view is omitted.