foundation pit excavation
基坑开挖
deep-excavation
excavation of foundation pit
excavation
Jiangxi Building Materials ; excavation of deep foundation pit ; deep foundation pit excavation
pit digging and support care ; foundation pit excavation and support
soft soil foundation excavation
设置管井井点降水,以利开挖人员和机械作业及土体装卸运输。顶层6.0m以内用长臂挖掘机开挖,开挖过程中坑内用小型装载机配合,将远离挖机的土方推至挖机的工作范围内。 基坑开挖包括接触网支柱坑、钢柱基础坑、拉线坑开挖等。根据开挖方式可以分为人工开挖和机械开挖。