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Numerical Study on RC Flat Plates Subjected to Combined Axial and Transverse Load

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Authors
Park, Hong-gun
Issue Date
1999
Publisher
Techno Press
Citation
Structural Engineering and Mechanics, 8(2), 137-150
Keywords
axial compressionfinite element analysisflat platereinforced concreteslendernesstwo-way slab
Abstract
This paper presents a numerical study on the flat plates in deep basements, subjected to floor load and in-plane compressive load due to soil and hydraulic lateral pressure. For nonlinear finite element analysis, a computer program addressing material and geometric nonlinearities is developed. The validity of the numerical model is established by comparison with existing experiments performed on plates simply supported on four edges. The flat plates to be studied are designed according to the Direct Design Method in ACI 318-95. Through numerical study on the effects of different load combinations and loading sequence, the load condition that governs the strength of the flat plates is determined. For plates under the governing load condition, parametric studies are performed to investigate the strength variations with reinforcement ratio, aspect ratio, concrete strength, and slenderness ratio. Based on the numerical results, the floor load magnification factor is proposed.
ISSN
1225-4568
Language
English
URI
http://technopress.kaist.ac.kr/

https://hdl.handle.net/10371/8074
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Architecture and Architectural Engineering (건축학과)Journal Papers (저널논문_건축학과)
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