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Moment Magnifier Method for Long-Term Behavior of Flat Plates Subjected to In-Plane Compression

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Authors
Park, Hong-gun; Choi, Kyoung-Kyu; Shin, Yeong-Soo
Issue Date
2003-01
Publisher
American Society of Civil Engineers (ASCE)
Citation
J. Struct. Engrg. 129(1), 87-95
Keywords
PlatesCompressionSlabsFinite element method
Abstract
Floor slabs of deep basement structures are subjected to large compressive forces due to soil and hydraulic lateral pressures.
In this study, nonlinear finite-element analyses were carried out to improve the existing moment magnifier method so that it is applicable
to the long-term behavior of the flat plates. For this purpose, a computer program that can address creep and shrinkage as well as
geometrical and material nonlinearity was developed. Parametric studies were performed to investigate the characteristics of the long-term
behavior and the load-carrying capacities of flat plates. In the proposed moment magnifier method, the creep factor was introduced to
accommodate the effect of creep on the load-carrying capacity. A design example was presented to demonstrate the proposed design
method.
ISSN
0733-9445
Language
English
URI
http://hdl.handle.net/10371/7958
DOI
https://doi.org/10.1061/(ASCE)0733-9445(2003)129:1(87)
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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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