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깊은 보의 스트럿-타이 모델과 고전적인 방법의 설계 비교
오이리마이 ( Uy Lymei ),손병직 ( Byung Jik Son ) 한국복합신소재구조학회 2013 복합신소재학회논문집 Vol.4 No.2
Deep beam shall be designed either by taking into account nonlinear distribution of strain or by Appendix A of Strut-and-Tie Models (STM) according to ACI 318(M) from version of 2002. Although STM is accepted as tool in design Discontinuity region (D-region) which mostly exist in Deep beam, Corbels, Dapped ends etc., it has been modified by many researchers. In this study we design deep beam by STMs which use simple truss for load distribution and the model of complex truss for load distribution compare with the ACI traditional which is designed by flexure design method and shear provided by concrete(Vc) as provided in special provisions section of 11.8 in ACI 318-99 [1]. This study aims to find the different and efficiency of deep beam design based on variation of parameter compiled from many samples selected from ACI traditional and two model of STMs, simple and complex load distribution.
손병직 ( Byung Jik Son ),오이리마이 ( Uy Lymei ) 한국복합신소재구조학회 2014 복합신소재구조학회논문집 Vol.5 No.3
This study analyzes performance-weight ratio of polycarbonate(PC) pigpen and steel pigpen. The finite element models using the ANSYS program described in this paper is attractive not only because it shows excellent accuracy in analysis but also it shows the benefit of parameter study by using APDL. We have performed a parameter study by the width variation of PC pigpen. And we compared and analyzed the results of PC pigpen and steel pigpen. From the numerical examples, we confirmed the validity of PC pigpen.