excavation and support

常见例句

During constructions of these projects, it can not be avoided to form various steep rock slopes by excavation and support under complex geologic environment.
这些工程的建设都不可避免地要在各种复杂的地质环境条件下，人为地开挖、支护形成各种各样的高陡岩石边坡。
In this paper, FLAC is adopted to simulate the surrounding rock stability of a belt drive conveyor cavern of Yangquan mine district during excavation and support by steps.
运用有限差分数值计算软件（FLAC），模拟分析了阳泉三矿芦南分区胶带驱动机硐室在分步开挖过程中围岩的稳定性。
The excavation procedure, the excavation measures, the relations between excavation and support, and the effect of the guidance of monitoring measures on project are presented in the paper.
主要介绍了龙滩水电站三大洞室的开挖程序、开挖方法、开挖与支护之间关系，以及监测手段在工程中的指导作用。