Comprehensive Construction Technology for Open Cut Deep Foundation Pit for Metro Station in the Loess Area

With the engineering practice, this paper introduces an opencut deep foundation pit of metro station in loess area and its design scheme of supporting engineering. This article, from the view of environmental protection, bored pile construction, high pressure jet grouting pile construction, supporting construction, foundation pit dewatering and excavation and other aspects, elaborated the construction technology, construction process, key points of controlling and the implementation of information technology in construction monitoring in detail. The foundation pit construction technology is proved to be reasonable and effective in practice.