10results about How to "Improve project efficiency" patented technology

The invention relates to the technical field of intelligent mine mining, in particular to a numerical simulation method for matrix-fracture-roadway water transportation coupling. The method specifically comprises the following steps: extracting matrix and roadway information from a GIS system, and generating simplified one-dimensional roadway grid information including a three-dimensional matrix and a two-dimensional crack; physical property parameters, pressure and speed boundary conditions are set according to actually measured mine conditions; solving the permeability of the three-dimensional matrix and the two-dimensional fracture; carrying out discrete solution on the seepage equation of the three-dimensional matrix and the two-dimensional fracture and the Bernoulli equation of the roadway, and setting coupling conditions, namely, carrying out coupling calculation according to the principle that the pressure intensity is the same and the flow meets superposition, so as to obtain flow velocity information under different dimensions; after one-dimensional roadway rapid calculation, the water inrush flow and the water inrush level are obtained, and on this basis, local visual display and early warning are conducted through an SPH method. By means of the method, the migration condition of underground water can be completely simulated, and then the purpose of optimizing engineering design is achieved.

This invention discloses a stratified and merged excavation planning system and method for arsenic-contaminated soil, comprising: an acquisition module; a modeling module connected to the acquisition module; a first calculation module, wherein the constraints include a contamination concentration gradient threshold, a soil layer thickness threshold, and a remediation target concentration threshold, the first calculation module being connected to the modeling module; an update module connected to the modeling module and the first calculation module; a second calculation module connected to the modeling module; and an output module connected to the modeling module. This invention solves the problems of existing stratified excavation operations for arsenic-contaminated soil, which suffer from arbitrary merging of excavations, easily leading to excessive and uncontrolled remediation target soil excavation, and deviation from the remediation boundaries set in the risk assessment.

The invention relates to the technical field of electric power engineering construction, in particular to a disassembly and assembly construction planning method and system for an angle steel iron tower, electronic equipment and a medium. The method comprises the following steps: acquiring multi-source heterogeneous data in an angle iron tower construction scene and carrying out standardized preprocessing to obtain structured construction data; inputting the structured construction data into a field fine-tuning large model to execute a construction demand analysis operation, and generating a task decomposition list; performing resource scheduling and progress planning processing on the task decomposition list, and constructing a dynamic construction plan; and the linkage construction knowledge graph performs risk identification processing on the dynamic construction planning plan, and performs deviation analysis processing on the dynamic construction planning plan based on the current construction data to generate an adjustment suggestion. Through the mode, the technical problem that the accuracy and the real-time performance of a planning scheme are difficult to consider in the practical application of angle steel tower construction in the prior art is solved, and the scientificity, the reliability and the overall engineering benefit of construction planning are improved.

This invention relates to a drainage well system for a foundation pit suitable for a ground-mounted waterproof curtain. The system includes a drainage well body positioned within the backfill area of ​​the foundation pit, located between the main structural wall and the ground-mounted waterproof curtain. The drainage well bodies are arranged at predetermined intervals within the backfill area. The outer facade of the main structural wall is provided with a waterproof layer. Each drainage well body includes a non-porous solid pipe section and a perforated filter section located below the non-porous solid pipe section. The perforated filter section is externally covered with a filter layer, and the surrounding hollow spaces of the filter layer are filled with graded filter media. The lower end of the drainage well body is positioned below the bottom of the foundation pit and above the stable waterproof layer. A pumping system is installed within the drainage well body to promptly pump out seepage water from the foundation pit when the water level within the drainage well body rises to a preset level. The pumping system is connected to the municipal stormwater drainage network. This invention can serve as a long-term drainage facility and also enables water resource reuse.

A floor support plate construction system based on a tekla model comprises the following modules: a drawing input module used for determining a drawing and construction parameters; the model building module is used for carrying out model building by adopting tekla software according to the determined drawing and construction parameters; the plane arrangement module is used for outputting various arrangement schemes on the built model; the scheme comparison module is used for giving a comparison result according to the output various arrangement schemes; the scheme determining module is used for outputting parameters of the models of the different schemes generated by the scheme comparing module and exporting a detailed table; the order placing module is used for sending determined parameters of tekla arrangement to a factory, and the construction technology disclosure module is used for sending an arrangement model constructed by tekla to mobile equipment. According to the system, the error rate is reduced, the engineering quality is improved, the construction process of the floor support plate is visually revealed, the complex nodes of the process are vividly and specifically displayed, the engineering quality is improved, the cost is reduced, and the engineering benefits are improved.

The present invention discloses a low-carbon road line selection method based on a minimum road impedance model, comprising: obtaining an elevation grid data layer of a study area; obtaining a Chinese land carbon sink grid data layer, and obtaining the study area carbon sink grid data layer by clipping; standardizing the elevation grid data layer to obtain a surface elevation resistance surface; standardizing the study area carbon sink grid data layer to obtain a land carbon sink resistance surface; weightedly superimposing the resistance value corresponding to the surface elevation resistance surface and the resistance value corresponding to the land carbon sink resistance surface to obtain the cost grid data of the study area; determining the starting point and the end point of the planned route on a highway traffic map of the study area; analyzing the cost distance and the cost path between the starting point and the end point according to the cost grid data, the coordinate information of the starting point and the coordinate information of the end point, and obtaining the minimum cost path between the starting point and the end point. The present invention provides a scientific basis for solving the problems existing in the manual line selection method.

The invention discloses a fabricated foundation pit gas film foundation and a construction method thereof. The foundation is composed of a plurality of H-shaped steels which are connected end to end, a clamping mechanism is arranged between every two adjacent H-shaped steels to facilitate rapid splicing, a spiral ground pile is inserted into a through hole of a lower flange plate, and a limiting mechanism and an abutting mechanism are matched to enhance stability. A fixing mechanism is arranged on an upper flange plate of the H-shaped steel to strengthen connection, and the abutting mechanism can be triggered. The upper flange plate is further provided with a connecting mechanism used for fixing the gas film material. During construction, the ground piles are driven, the H-shaped steel is placed and initially connected, then the limiting mechanism, the fixing mechanism and the like are sequentially installed, and finally the gas film is fixed. According to the scheme, the problems that a traditional mode is difficult to assemble, poor in effect, prone to loosening in limiting and the like are solved, efficient assembly and stable connection are achieved, the method is suitable for various foundation pit gas film projects, the foundation stability and reliability are effectively improved, the construction cost is reduced, and the project benefits are improved.

The invention discloses a low-small-slow unmanned aerial vehicle target tracking method under space-time constraint. The method comprises the following steps: firstly, screening high-potential candidate targets in a first frame of a video through a multi-scale background dynamic query fusion perception detection module; then, a space-time optimization constraint module corrects a target position in combination with short-term and memory pool features, and cross-fragment association is realized; and the memory trajectory judgment module utilizes a PN tree and polynomial fitting to pre-judge target motion. And finally, the tracking module detects the current frame, and high-precision and high-robustness real-time tracking of the low, small and slow unmanned aerial vehicle is realized through feature purification and camera calibration.

This application relates to an automatic layout and modeling method and system for fixed structures on automotive exterior parts. By selecting the styling surface of the automotive exterior part and the fixed structures to be arranged on it, and using the boundary of the styling surface as a guide line, the system uses an array feature command to initially arrange each fixed structure according to a preset number and interval. A measurement command is used to measure the demolding angle and distance to the boundary of each fixed structure. A move object command is used to correct the position and demolding angle of each fixed structure. A thickening command is used to thicken the automotive exterior part, and a merge command is used to merge the thickened automotive exterior part with all the corrected fixed structures, resulting in an automotive exterior part entity with arranged fixed structures. This achieves automatic layout of fixed structures on automotive exterior parts and automatic modeling of the automotive exterior part entity with arranged fixed structures, improving work efficiency, reducing human error, and effectively improving engineering benefits.

The utility model discloses an overhaul channel structure of a long-distance water delivery tunnel group, which is characterized in that water delivery tunnel construction adit is perpendicular to each cavern of the water delivery tunnel group, is crossed with each cavern of the water delivery tunnel group, penetrates through the cavern group, extends and bypasses to the position right above the tunnel group, and forms an annular structure to be crossed on the outer side of a tunnel; the water conveyance tunnel construction adit comprises a low-elevation adit section, a high-elevation adit section and a plurality of inclined tunnel sections. The water delivery tunnels are connected through the annularly-arranged construction adit, the water collection pits are connected through the structure that the water collection pits are arranged in a segmented mode and the drainage pipes are embedded in the bottom plate, the overhaul channel reaches each tunnel in the water delivery tunnel group, the overhaul conditions of the water delivery tunnels are improved, the overhaul duration is shortened, and the engineering benefits are improved; and the hydraulic connection of the water collecting pits in the tunnel is also realized, the arrangement of pumping and draining facilities in each segmented water collecting pit is avoided, the engineering investment is reduced, the operation management is convenient, and favorable conditions are created for the long-term safe operation of the water conveying tunnel.