介绍了地质雷达的作用及特点,结合昌宁高速雩山隧道地质雷达探测成果,阐述了地质雷达的工作原理及实际探水情况,结果表明昌宁高速雩山隧道地下水发育,多处存在裂隙水,施工难度较大。%The paper introduces roles and features of geological radar, describes its working principles and actual water detecting conditions by combining with geological radar detection achievement of Chang-Ning highway Yushan tunnel. Results show that:there exists much fissure water and construction difficulty in Chang-Ning highway Yushan tunnel groundwater development.
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