摘要
贵阳市是西南地区典型的岩溶山地城市,岩溶问题严重困扰着该市轨道交通建设。这里以贵阳城市轨道交通建设中矿山法、盾构法和明挖法施工遇到的岩溶问题为例,剖析总结了在初勘、详勘以及施工各阶段针对具体岩溶问题的探查技术方案。综合大量岩溶探查成果,提出针对岩溶风险应遵循“早发现,精勘探,适当超前处置”的技术思路,具体探查方案的科学实施应遵循“先地面物探探测岩溶的位置、范围、埋深等,后钻探验证和补充,最后跨孔CT精细刻画形态”的工作原则。
Guiyang is a typical karst mountain city in southwest China.Karst is a serious problem for Guiyang urban rail transit construction.Taking the karst problems encountered by mining shield,and open-cut methods in Guiyang urban rail transit construction as examples,this paper analyzes and summarizes the exploration technology scheme for specific karst problems in preliminary surveys,detailed surveys,and construction stages.A large number of practical exploration results of karst are integrated.Then it is concluded that the technical thinking of "early discovery,fine exploration,and appropriate advanced disposal" should be followed for karst risk,and the scientific implementation of a specific exploration plan should follow the working principle of "first ground geophysical exploration of karst location,range,buried depth,etc.,then drilling verification and supplement,and finally cross hole CT fine characterization of the shape".
作者
李法滨
王祥
冉军
龙斌
曾耀
LI Fabin;WANG Xiang;RAN Jun;LONG Bin;ZENG Yao(Guizhou Engineering Research Center for Mountain-Area Expressway Intelligence Operation and Maintenance,Guiyang 550000,China;Guizhou Qiantong Engineering Technology Co.,Ltd.,Guiyang 550014,China;Guiyang Public Transport Investment and Operation Group Co.,Ltd.,Guiyang 550081,China;Guizhou Transportation Planning Survey&Design Academe Co.,Ltd.,Guiyang,550081,China)
出处
《物探化探计算技术》
CAS
2023年第5期619-624,共6页
Computing Techniques For Geophysical and Geochemical Exploration
基金
贵州省交通运输厅科技项目(2023-122-016)
交通部西部交通建设科技项目(2021-ZD1-021)
自立课题(23RD-002,2020-122-025,0702935)。
关键词
城市轨道交通工程
岩溶探测
矿山法
盾构法
明挖法
urban rail transit
karst detection
mine method
shield method
open-cut method
