Grouted Post-Tensioned Rock Anchor Assessment

This report presents the results of an extensive study of grouted post-tensioned rock anchors installed in concrete gravity dams. The purpose of the study is to obtain a better understanding of the condition and capacity of existing post-tensioned rock anchors for which grout serves as the only form of corrosion protection. The performance of grout-protected anchors of various designs under actual site conditions is assessed to determine the effects of the aging process.