Construction Technology of Prop Pipelining with Large Diameter Discharge Pipe

Based on the case project of prop pipelining with large diameter discharge pipe in Fifth Ring Road in Wuhan,the paper studies and analyzes selection of construction plan,jacking force calculation and pit support of prop pipelining with large diameter.In addition,problems and technical difficulties during prop pipelining are also discussed.Finally,methods of prop pipelining and technical countermeasures are illustrated.