Due to high in situ stress in the powerhouse area, important deformation of local surrounding rock, rock burst, shotcrete spalling occur during excavation.

由于场区地应力比较高，在开挖期间出现了局部围岩的大变形及岩爆、喷混凝土层剥落等不良现象。

youdao

The current state of deep excavation engineering in Shanghai area is described and the main technology in the civil construction of Shanghai metro Xujiahui Station is analyzed in detail in this paper.

本文综述了上海地区深基坑施工的现状，并详细分析了上海地铁徐家汇车站土建工程施工中的主要技术问题。

youdao

The Land Use and Cover Change process of the large-scale open mining area include: the land excavation, the land occupied, the land piled up.

大型露天矿区土地利用/覆盖变化过程包括：土地挖损、土地压占和土地占用。

youdao

On one of my first visits to a mountaintop site in West Virginia, I stood on the edge of a vast area under excavation.

FORBES: A Turning Point for Mountaintop Removal Coal?

Standing in the Grand Hammam excavation area, I could see the ruins of ancient chamber areas and air circulation passages that were slowly being restored.

BBC: An ancient Ottoman capital surfaces

The first works involve digging the new line through the Monktonhall area and the excavation of the site for the new Shawfair station.

BBC: Tweedbank bridge