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本文在探讨连拱隧道两种常见的施工方法的基础上,利用有限差分软件FLAC3D对某处工程问题所引起地表沉降进行了数值模拟,编写了自动开挖数据记录程序,实现了连拱隧道全自动开挖和数据记录,得到了较好的结果,同时也给工程实际提供了有价值的参考。
On the basis of discussing two common construction methods of multi-arch tunnel, numerical simulation of surface subsidence caused by some engineering problem by finite difference software FLAC3D is carried out. A program of automatic excavation data recording is programmed to realize the full arch tunnel Automatic excavation and data logging, get better results, but also to provide a valuable reference to the actual project.