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면내 압축력을 받는 플랫 플레이트 슬래브에 대한 모멘트 증대법
Moment Magnifier Method for RC Flat Plate Subject to Combined Axial Compressive and Floor Load

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Authors
박홍근
Issue Date
1999-02
Publisher
한국콘크리트학회 = Korean Concrete Institute
Citation
한국콘크리트학회지, 제11권 제1호, pp. 243-254
Keywords
axial forceflat platemoment magnifier methodslendeernesstwo-way slab
Abstract
This paper presents a numerical study for developing the moment magnifier method that is applicable to RC flat plates subject to combined axial compressive and floor load. For the nonlinear finite element analysis, a computer program addressing material and geometric nonlinearites was developed. The flat plates to be studied are designed in accordance with the Direct Design Method in Korean Building Code for Structural concrete. This paper proposes the buckling force and the moment magnification factor for the flat plate under the governing load condition that is the combined vertical and subsequently applied uniaxial compressive load. The buckling force is defined with two ingredients: the buckling coefficient and the effective flexural rigidity. Parametric studies are performed to investigate variations of the buckling coefficient and the effective flexural rigidity. Based on the numerical results, this pape provides the design values for the moment magnifier method.
ISSN
1229-5515
Language
Korean
URI
http://www.kci.or.kr

https://hdl.handle.net/10371/8083
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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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