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中文摘要：
在现场地质调查、大量试验的基础上，从理论上评价了丹本高速公路直接交叉覆盖段隧洞的岩体质量、水文地质条件的变化、爆破施工对隧洞的稳定性影响以及对隧洞围岩在三种不同受荷状态下的应力场与位移场进行了对比分析。评价结果表明：丹本高速公路的修建，不会影响其下覆输水隧洞的安全运行。目前隧洞中局部存在小的掉块、塌落、渗水现象，其原因是由于岩体本身结构、岩体风化结果造成的。覆盖段的洞室岩体整体上是基本稳定的。
英文摘要：
On the basis of on-the-spot geological investigation and a lot ot tests tor the rocks of transporting water tunnel influenced by Dan Ben highway, the rocks quality, the change of the hydrogeological conditions and the influence of the exposure construction on the tunnel stability, were studied in the paper .In the meanwhile, the stress field and displacement field of the tunnel on the states of three different load were analyzed. The results indicate the construction of Danben expressway does not affect the normal and safe operation of the tunnel. The phenomenon of rock falling and water seepage results from the structure and weathering of the rocks. The rocks of the tunnel covered by Danben exoresswav is stable on the whole.
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