Abstract
This paper describes a research effort that aimed to obtain technical information to determine how the seismic behavior and strength of anchors and their supporting concrete differ from the static behavior. The research program was conducted on the dynamic behavior of anchors in concrete and comprised 4 tasks: 1) static and dynamic behavior of single tensile anchors; 2) static and dynamic behavior of multiple tensile anchors; 3) static and dynamic behavior of near-edge anchors; and 4) static and dynamic behavior of multiple-anchor connections. Anchor types included cast-in-place headed bolts, grouted headed bolts, 2 wedge-type expansion anchors, 1 sleeve-type expansion anchor, and 2 undercut anchors. Loading conditions included tension, shear, and combined tension and shear. Test variables included different concrete types and strengths, loading rate, and the presence of cracks. In this paper, the dynamic response of single and double near-edge anchors loaded in shear is described.
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