喀斯特山区高地应力特长隧道施工技术研究  

Research on Construction Technology of High Ground Stress Extra Long Tunnels in Karst Mountainous Areas

作　　者：李诗曹 LI Shi-cao(Guizhou Highway Engineering Group Co.Ltd.,Guiyang 550000,China)

机构地区：[1]贵州省公路工程集团有限公司,贵阳550000

出　　处：《工程建设与设计》2024年第23期242-244,共3页Construction & Design for Engineering

摘　　要：喀斯特山区地质条件复杂,大埋深隧道存在高地应力问题,对隧道工程施工造成了挑战。针对喀斯特山区特长隧道高地应力施工问题,论文分析了喀斯特山区地质特点和高地应力产生机制,探讨了高地应力对隧道施工安全影响,并提出了应对策略和措施,经过工程应用验证了方案的可行性和有效性,提高了施工效率和工程质量。The geological conditions in karst mountainous areas are complex,and there is a problem of high ground stress in large buried tunnels,which poses a challenge to tunnel construction.This paper analyzes the geological characteristics and mechanism of high ground stress generation in karst mountainous areas in response to the construction problem of extra long tunnels under high ground stress,explores the impact of high ground stress on tunnel construction safety,and proposed response strategies and measures.The feasibility and effectiveness of the plan were verified through engineering applications,which improved the construction efficiency and engineering quality.

关 键 词：喀斯特山区 特长隧道工程 高地应力 施工技术 应对策略 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]