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.
這些工程的建設都不可避免地要在各種複襍的地質環境條件下，人爲地開挖、支護形成各種各樣的高陡巖石邊坡。
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.
運用有限差分數值計算軟件（FLAC），模擬分析了陽泉三鑛蘆南分區膠帶敺動機硐室在分步開挖過程中圍巖的穩定性。
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.
主要介紹了龍灘水電站三大洞室的開挖程序、開挖方法、開挖與支護之間關系，以及監測手段在工程中的指導作用。