The torque-to-capacity relationship for helical anchors and piles is an empirical method originally developed by the A. B. CHANCE Company beginning in the late 1950s. Today, the relationship is well recognized in the deep foundation industry. It is commonly referred to as torque correlation.
A common cause of power quality issues in underground systems is the improper torquing of underground separable connectors. During the installation of these products, achieving proper connections is one of the most important yet overlooked step in the installation process.