Introduction The PLTB User’s Guide presents information, guidelines, and procedures for use during design, construction, operations, and integrity tasks for...

Introduction Calculating drilling-fluid quantity estimates that will be used during an HDD installation are important in determining the impact of...

Pull Force and Installation Stresses The procedures for designing the bore path for plastic pipe are basically the same as...

Post Installation Loads and Deflections Earth Pressure Coefficient: K=\tan^2\left( 45-\frac{\theta}{2}\right) Θ – Internal Friction Angle of Soil (degree) Arching Factor:...

Introduction The ATL is the allowable safe pulling load that can be applied to a polyethylene pipe. If installation-applied stresses...