【摘要】 长沙市即将建设的隧道工程包括营盘路湘江隧道、南湖路湘江隧道、长沙市轨道交通2号线和1号线一期工程。隧道工程沿线地质条件相当复杂,主要不良地质作用为岩溶、断裂及风化槽谷。文章通过地质调查、钻探和物探等手段,对隧道工程沿线的不良地质作用特征及分布进行了归纳,对其工程影响进行了讨论,提出了应对措施。更多还原

【Abstract】 The tunnels that is being constructed consists of YUANBAN tunnel,the first phase of metro line 1 & 2.The engineering geology are very complicated.The major existing adverse geologic actions are karst,fault and weathering trough.The status of adverse geologic actions are found by means of field survey,drilling and physical exploration.It’s possible influence during constructing is consider,the solutions to avoid the similar accidents in the future are put forward too.更多还原