Abstract: The Guided Boring Method (GBM), also referred to as Pilot Tube Microtunneling (PTMT), is a widely used trenchless technology for pipeline installation with grade precision. However, PTMT is not applicable in nondisplaceable ...

Abstract: The modified guided boring method (MGBM) is a new pipe installation method used in hard ground, where a conventional guided boring method is not applicable. Estimation of the required jacking force for pipe installation ...