期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 25, 期 10, 页码 3972-3976出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2011.04.030
关键词
Impact response analysis; Falling weight impact loading; RC arch-type; Impact resistant rest; Small-scale experiment
To establish a rational impact response simulation method for arch-shape RC beams, the applicability must be confirmed by conducting falling weight impact loading tests of small-scale arch-shape RC beams. However it is not easy to conduct the experiments because of preparing of specimens and fitting of experimental setup. Numerical simulation method may be one good choice, if the accuracy is guaranteed. Because, now a days, impact response analysis for RC members can be performed by using computers. In this paper the applicability of impact response simulation method for arch-shape RC beams has been discussed by comparisons with experimental results. From this study, the following results are obtained: (1) the impact force time history, maximum displacement at the loading point and crack patterns caused in the side-surface of the arch beams can be simulated, which are in good agreement with the experimental results; however, (2) the damped free response after unloading and residual displacement cannot be better simulated. (C) 2011 Elsevier Ltd. All rights reserved.
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