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Experimental Cyclic Testing of URM Pier-Spandrel Substructures
| 题名： | Experimental Cyclic Testing of URM Pier-Spandrel Substructures |
| 正文语种： | 英文 |
| 作者： | C. L. Knox; D. Dizhur, Aff.M.ASCE;J. M. Ingham, M.ASCE |
| 作者单位： | Holmes Consulting Group;Univ, of Auckland |
| 关键词： | Unreinforced masonry (URM) spandrel; Unreinforced masonry experimental testing; Pseudostatic cyclic testing; Concrete and masonry structures. |
| 摘要： | Most current assessment methods for determining the capacity of perforated unreinforced masonry (URM walls) loaded in-plane are based on the assumption of infinitely rigid spandrel elements. Based on observations of damage following past earthquakes, this assumption has been proven to be invalid for certain perforated wall geometries. The reported study was conducted with the primary aim of investigating global and local response of perforated URM walls, with an emphasis placed on defining the influence of the spandrel geometry on the system level response of perforated URM walls responding in-plane. Pseudostatic cyclic testing of six replicated URM full-scale pier-spandrel substructures was conducted to investigate the variables that control spandrel failure modes and the influence of spandrel failure on the lateral capacity of multistory URM walls. Testing showed that the behavior of the spandrel has a significant effect on the failure mode of the piers and hence the strength, stiffness, and energy-dissipation capacity of the system. DOI: 10.1061/(ASCE)ST.1943-541X .0001650.©2016 American Society of Civil Engineers. |
| 出版日期： | 2017.02 |
| 出版年： | 2017 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.143 |
| 期： | NO.02 |
| 页码： | 04016177 |
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