(Received 11 February 2016; accepted 6 June 2016)
Published Online: 2017
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Tests on anchors and reinforcing bars in cracked concrete members with cyclically opening and closing cracks are carried out to study their performance under variable live loads and seismic loads. Cyclic crack tests are the most demanding and often decisive test series conducted for the qualification of anchors, which were cast-in or post-installed in concrete. Research in the field of seismic engineering also requires cyclic crack tests on anchors as well as on reinforcing bars. Testing of anchors and reinforcing bars in cyclic cracks makes special considerations with respect to the test specimen, test setup, and test procedure necessary. This article provides guidance, discusses how to carry out the technically challenging cyclic crack tests, and presents an example.
Inst. of Construction Materials, Univ. of Stuttgart, Stuttgart,
Stock #: JTE20160082