Introduction The New Horizontal Directional Drilling PowerTool (HDDPT) enables safe and efficient drilling, reaming, and installation of pipelines at road...

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 A pipeline is subjected to three primary loading conditions during installation by HDD: tension, bending, and external pressure. A...

Introduction The Pipeline HUB is home to many tools and calculators. The following user’s manual will outline calculations that cover...