Construction Technology of Isolation Net for Eliminating Pile Side Friction Resistance in Deep Foundation Pit Excavation Segment
In order to reduce the influence of pile side friction resistance on the bearing capacity data of engineering piles in deep foundation pit excavation segment,the isolation net was used to prevent the leakage of concrete from the pile body,combined with the super-long steel cas-ing,etc.The combination device was used to reduce the adhesion between concrete and the pile wall,so as to achieve the goal of accurately testing the bearing capacity of the pile after foundation pit excavation,providing accurate design and processing parameters for pile foundation design and subsequent construction.Based on a deep foundation pit test site,this paper introduces the construction technology of isolation net for eliminating pile side friction resistance in deep foundation pit excavation segment,focusing on the construction techniques of isolation net and the key control nodes of super-long steel casing installation and pulling out,providing certain reference for similar engineering related tech-nical issues.
Deep foundationSide Friction ResistanceIsolation netBearing capacitySuper-long steel
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