Intelligent Control Technology for Adaptive Expansion Bottom Uplift Pile
This paper introduces a new intelligent control construction technology for self-designed adaptive expansion bottom anti pull piles.This process is suitable for weathered mudstone or moderately weathered sandstone formations in rich water,and can effectively solve the problem of structural uplift caused by open excavation of subway stations.This paper describes the process characteristics,process principles and processes,engineering examples and result evaluation in detail.Relying on the Hejiang Station and Hongliancun South Station of Chengdu Rail Transit Line 19 Phase Ⅱ Project,this process has proved its safety,reliability,environmental protection,economy and technological progressiveness.
expansion bottom uplift pileweathered mudstone in rich wateropen cut excavationstructural buoyancy problem
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