Reconnaissance and evaluation method, equipment and medium for railway engineering to pass through high and steep bank slope area

By employing a multi-stage, progressive data-driven approach, combined with remote sensing interpretation, UAV surveying, and drilling technology, the survey and assessment of steep bank slopes were conducted. This approach solved the problems of incomplete surveys and inaccurate assessments, achieving a systematic and scientific survey and assessment, and improving the accuracy and reliability of the survey and assessment.

CN121936264APending Publication Date: 2026-04-28CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD
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Patent Information

Application Number
CN202511973599.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-25
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing technologies lack a unified and systematic approach for surveying and assessing railway projects crossing steep slopes, resulting in incomplete surveys, inaccurate assessments, and significant uncertainties and safety risks.

Method used

A multi-stage, progressive, data-driven approach was adopted, combining remote sensing interpretation, UAV oblique photography, 3D lidar scanning, drilling, and borehole testing to fuse multi-source information, conduct rockfall simulation, bank slope stability analysis, and 3D numerical simulation, and output suggestions for pier location and pile foundation optimization.

Benefits of technology

This has enabled the systematization and scientification of the investigation and assessment of steep slope areas, improved the accuracy and reliability of the investigation and assessment, reduced engineering risks and costs, and enhanced the efficiency and predictability of the investigation and assessment.

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Abstract

The invention discloses an investigation and evaluation method for railway engineering crossing a high and steep bank slope area, and aims to solve the problems of incomplete investigation and inaccurate evaluation of the high and steep bank slope area. According to the method, a systematized process is formed by constructing five logic progressive stages: firstly, carrying out regional geology and line collaborative analysis, and macroscopically avoiding an unfavorable geological area; secondly, preliminarily identifying an unfavorable geologic body by using a remote sensing technology, and optimizing a line trend; a multi-precision unmanned aerial vehicle is adopted for investigation, and fine three-dimensional information of the dangerous terrain is safely and efficiently obtained; then, comprehensive investigation is carried out under the guidance, and the system obtains physical mechanics and structural characteristics of the rock-soil body; and finally, based on detailed investigation data, carrying out stability comprehensive evaluation by fusing qualitative analysis, discrete element simulation and / or three-dimensional numerical simulation so as to output optimization suggestions of the abutment and the pile foundation. According to the method, the discrete technology is integrated into a standard process, so that the systematicness and scientificity of investigation and evaluation and the reliability of engineering decision are remarkably improved.
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