The construction and safety control of ultra large deep foundation pits in subway stations are key and difficult points in engineering.The article takes the ultra large deep foundation pit in the Airport West Station to Xiang'an Airport Station section of Xiamen Metro Line 3 as the engineering background,and introduces the support technology for deep foundation pits under the geological conditions of land reclamation.Research has shown that the uncertainty of geological conditions,the influence of groundwater conditions,and the uncertainty during construction have the most significant impact on the construction of deep and large foundation pits.The research results can provide reference for similar projects.
reclamation areasdeep foundation pitanchor supportsafety controlsubway station
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