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Structural Engineering and Mechanics Volume 21, Number 4, November10 2005 , pages 451-468 DOI: https://doi.org/10.12989/sem.2005.21.4.451 |
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A method for effective beam widths of slabs in flat plate structures under gravity and lateral loads |
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Jung-Wook Choi and Jin-Gyu Song
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| Abstract | ||
| Effective beam width models are commonly used to obtain the lateral stiffness of flat plate structures. In these models, an effective beam width is defined as the width when the flexural stiffness of the beam element equals the slab stiffness. In this present study, a method to obtain effective beam widths that considers the effects of connection geometry and slab cracking is analytically proposed. The rectangularity of the vertical member for the connection geometry and the combined effects of creep and shrinkage for the slab cracking are considered. The results from the proposed method are compared with experimental results from a test structure having nine slab-column connections. | ||
| Key Words | ||
| effective beam width; elastic width; stiffness reduction; connection geometry; slab cracking; reinforced concrete; flat plate structure. | ||
| Address | ||
| Jung-Wook Choi; Department of Civil & Environmental Engineering, University of Alberta, 3-059 Markin/CNRL Natural Resources Engineering Facility, Edmonton AB T6G 2W2, Canada Jin-Gyu Song; Division of Architecture, Chonnam National University, 300 Yong-Bong Dong, 500-757 Gwangju, Korea | ||