Abstract: Trenchless pipe replacement, or pipe bursting, is a construction method that provides an alternative for rehabilitating underground infrastructure with minimal disruption to surface traffic. It is recognized as the only ...

Abstract: Damage resulting from directionally drilled crossings has become a concern for municipalities and contractors due to the increased popularity of this trenchless installation method. Surface heave is one mechanism through ...

Abstract: The presence of gravel and cobble during horizontal directional drilling (HDD) operations is one of the most challenging situations encountered by contractors. An unexpected encounter with this soil condition often results ...

Abstract: Trenchless technology is an emerging area of construction involving innovative methods, materials, and equipment used for the installation of new and the rehabilitation or replacement of existing underground infrastructure ...

Abstract: Perhaps the fastest growing segment in the underground trenchless construction industry is horizontal directional drilling (HDD). Currently, in North America alone, there are 17 manufacturers of HDD rigs and accessories ...

Abstract: The decisions made during the preproject planning and design stages are very crucial for infrastructure and underground projects due to the inherent risks and uncertainties in such projects. In the selection of a crossing ...

Abstract: A primary concern of owners specifying trenchless installation and rehabilitation methods are surface movements during construction. Surface heave or settlement can occur as a result of contractor methodology, design, or ...