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深基坑包括深基础的基坑和各种地下工程的基坑。由于深基坑开挖易受到地下水的严重影响和邻近建筑物地基的破坏,常常成为土木建筑施工中的一个棘手问题,所以,深基坑的开挖与支护已经成为土力学与基础工程学中的一个重要分支,引起了工程界的高皮重视和兴趣。本文根据作者在一九八六年九月于北京召开的国际深基础工程学术讨论会上宣读的论文加以删节发表,其中着重介绍了软土条件下深基础开挖所采用的手段与措施以及目前存在的问题,可供参考。
Deep pits include deep foundation pits and various underground engineering pits. Because excavation of deep foundation pits is easily affected by groundwater and the destruction of adjacent building foundations, it often becomes a thorny problem in the construction of civil engineering. Therefore, excavation and support of deep foundation pits have become soil mechanics and basic engineering. An important branch of the project has attracted the attention and interest of the engineering community. Based on the paper presented by the author at the International Deep Foundation Engineering Symposium held in Beijing in September 1986, this article is abridged and published, which focuses on the measures and measures adopted by the deep foundation excavation under soft soil conditions and the current Problems exist for reference.