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How Installation Torque Can Affect Expansion Anchors

Posted by Axelabout 6 years ago

by Richard T. Morgan, P.E.

Torque control,expansion anchors,Anchor installation,Torque

4.8K

Post-installed expansion anchors are used to attach fixtures to concrete and masonry. Expansion anchor types include torque-controlled anchors, which must be torqued to expand wedges, and displacement-controlled anchors, which require impact forces on a sleeve or plug to expand wedges. Expansion anchors that rely on torque to expand wedges are referred to as torque-controlled expansion anchors. This article discusses the importance of torque on the installation and performance of torque-controlled expansion anchors installed into concrete.

Check out the full Structure Mag article.


About the author ⁄ Richard T. Morgan, P.E.

Richard T. Morgan, P.E., is the Manager for Software and Literature in the Technical Marketing Department of Hilti North America. He is responsible for PROFIS Engineering and PROFIS Rebar software.

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