期刊
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
卷 42, 期 5-6, 页码 1669-1680出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijsolstr.2004.08.014
关键词
numerical simulation; parameter identification; model approximation; monitoring; vibration measurement; structural stability; system response
类别
Through non-destructive tests we have determined the dynamic characteristics of the wall belfry of Our Lady of the Carmen Church (Valencia, Spain). We explain the method applied to obtain these characteristics, knowing the spectrum response of the structure when one of the bells turns. After studying the bells, we have determined the fundamental magnitudes of their oscillatory movement: weight of bells, turn speed, unbalance and inertia. These values are necessary to determine the variable time forces that they introduce in the structure. Using a numerical model at real scale of this structure we have determined the least favourable dynamic amplification factor (DAF) and the resistant response of this tower in a quasi-static analysis for these forces. (C) 2004 Elsevier Ltd. All rights reserved.
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