Dangerous rock falling safety assessment method

Through comprehensive geological survey and full-process analysis, the problem of difficult prevention and control of the impact of dangerous rock falling on railways in the existing technology has been solved, and the systematic assessment and risk control of dangerous rock falling on rock falling has been achieved, and the safety of railway construction and operation has been improved.

CN119693200APending Publication Date: 2025-03-25CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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Patent Information

Application Number
CN202411723440.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

The existing technology has not yet analyzed the entire process of on-site investigation, indoor simulation, risk assessment and response measures for dangerous rocks, which makes it difficult to effectively prevent and control the impact of dangerous rocks on railways.

Method used

The comprehensive geological survey method is adopted, and the research steps of "census → detailed inspection → verification" is combined with qualitative and quantitative evaluation, and the control factors, deformation and failure mechanism, stability and motion characteristics that affect the stability of dangerous rocks are analyzed, and risk control measures and suggestions are proposed. Specific steps include geological survey, indoor research, research on the mechanism of rock falling rock collapse, safety risk assessment and rectification measures and suggestions.

Benefits of technology

A systematic analysis and evaluation of the entire process of falling rocks in dangerous rocks has been achieved, which has reduced the workload of field surveys, improved operating efficiency and safety, and provided scientific safety guarantees for railway construction and operation.

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Abstract

The invention discloses a dangerous rock falling safety assessment method. At present, the whole-process analysis of the dangerous rockfall from field investigation, indoor simulation, risk assessment and countermeasures does not exist. On the basis of research results of data collection, field survey, aerial photography and the like, a comprehensive geological survey method is adopted to carry out slope geological survey; according to the research steps of general survey, detailed survey and checking, the academic idea of geological process mechanism analysis-quantitative evaluation is taken as guidance, control factors, deformation and failure mechanisms, stability and motion characteristics influencing the stability of the dangerous rock mass are analyzed and found out through combination of qualitative evaluation and quantitative evaluation, and risk control countermeasures and improvement measure suggestions are put forward. And the construction and operation safety of the newly-built railway is guaranteed to the greatest extent. According to the method, the workload of dangerous rock falling field investigation is greatly reduced, the operation efficiency and safety are improved, and a scientific basis is provided for subsequent treatment.
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