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Precast Diaphragm Response in Half-Scale Shake Table Test
| 题名： | Precast Diaphragm Response in Half-Scale Shake Table Test |
| 正文语种： | 英文 |
| 作者： | D. Zhang1; R. B. Fleischman, M.ASCE2; M. J. Schoettler3; J. I. Restrepo, M.ASCE4; and M. Mielke5 |
| 作者单位： | 1Assistant Professor, School of Engineering, Nazarbayev Univ., 53 Kabanbay batyr Ave., Astana 010000, Republic of Kazakhstan (corresponding author). 2Professor, Dept. of Civil Engineering and Engineering Mechanics, Univ. of Arizona, 1209 East 2nd St., Tucson, AZ 85721. 3Postdoctoral Scholar, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, 1301 S 46th St., Richmond, CA 94804. 4Professor, Dept. of Structural Engineering, Univ. of California at San Diego, 9500 Gilman Dr., MC 0085, La Jolla, CA 92093. 5Design Engineer, M3 Engineering, 2175 W. Pecos Rd. Suite 3, Chandler, AZ 85224. |
| 关键词： | structure；design；observe；different；testin；shake；objective；ecas；parameter；scale |
| 摘要： | This paper summarizes key diaphragm response parameters observed during the shake table testing of a three-story precast concrete structure built at half-scale. The test structure geometry possessed an aspect ratio in plan and structural wall layout to form a diaphragm-critical condition. Each floor of the structure incorporated a different precast concrete diaphragm construction technique: untopped double tees, topped hollowcore, and topped double tees. A new seismic design methodology was used to design and detail the diaphragms. The test structure was subjected to input ground motions of increased intensity in a series. The series totaled 16 strong ground motions, consisting of design basis and maximum considered earthquakes for which the diaphragms were designed. The primary objectives of the testing program were to examine the behavior of precast diaphragms within the structural system, demonstrate the seismic performance of the precast diaphragms designed with the new design methodology, and calibrate analytical models for the wider research program. This paper describes diaphragm global and local responses. The responses were interpreted in terms of expected diaphragm performance. Design conclusions were drawn based on the observed diaphragm seismic response. |
| 出版年： | 2019 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | 145 |
| 期： | 5 |
| 页码： | 1-15 |
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