临界开挖深度 critical excavation depth
Foundation pit projects become increasing popularity and their excavation depths become more and more deeper with the fast development of the high buildings and the wide utilization of the underground space.
随着高层建筑的迅速发展和地下空间的开发利用，基坑工程越来越多，其开挖深度也越来越大。
参考来源 - 深基坑空间共同变形法·2,447,543篇论文数据，部分数据来源于NoteExpress
并且对基槽开挖深度进行优化设计，取得了显著的经济效益。
Optimization for excavation depth of foundation trench is carried out and notable economic benefit is achieved.
利用已有的丈量控制点对原地面高程进行放样，确定开挖深度。
By means of the existing measurement control points on the ground elevation for lofting, determine the excavation depth.
随着基坑开挖深度的增加，上海地区深基坑工程的承压水问题日益突出。
With the increase the depth of foundation pits, the problems of confined water have become more and more important in deep foundation pit projects in Shanghai.
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