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광양지역의 항타강관말뚝의 목표신뢰성지수 및 저항계수 산정
김대현(Daehyeon Kim),김현태(Hyeon-Tae Kim),임재춘(Jae-Choon Leem),김성헌(Sung-Heon, Kim),이증빈(Cheung-Bin Lee) 한국지반신소재학회 2013 한국토목섬유학회 학술발표회 Vol.2013 No.11
Recently, the necessity of developing the load and resistance factor design(LRFD) for soft ground improvement method has been raised, since the limit state design is requested as international technical standard for the foundation of structures. In this study, to develop LRFD codes for foundation structures in Korea, target reliability index and resistance factor for static bearing capacity of driven steel pipe piles were calibrated in the framework of reliability theory. The 16 data(in Gwangyang) and the 57 dada(Korea Institute of Construction Technology, 2008) sets of static load test and soil property tests conducted in the whole domestic area were collected along with available subsurface investigation results. As a result, to prepare the introduction of the LRFD from international technical standard, considering the nature of Korea a resistance coefficient from working stress design method was suggested. We created the foundation of the resistance factor design. The result from this research will be the useful information for developing various foundation and soil structure under LRFD.