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직접알고리즘 역해석 기법을 이용한 굴착단계별 흙막이 가시설 변위 및 축력의 적정성 평가
강소라,전제석,이영진,이준석,이강일,So-Ra Kang,Je-Seok Jeon,Yeong-Jin Lee,Jun-Seok Lee,Kang-Il Lee 한국지반신소재학회 2024 한국지반신소재학회 논문집 Vol.23 No.1
In this study, direct algorithm-based back analysis was utilized to perform back analysis on two actual earth retaining wall fields, which was then compared with genetic algorithm-based method to evaluate the suitability of the back analysis. Additionally, in order to propose effective utilization methods of the program, the measurement data, as the input for the back analysis, was varied for each excavation step, and the applicability of the back analysis results(displacement, axial force) was examined. The research findings indicate that both direct algorithm and genetic algorithm show high applicability; however, the optimization for this program is better predicted by the direct algorithm. Moreover, in order to effectively use the back analysis program employing the direct algorithm, it was evaluated that relatively accurate prediction of the earth retaining wall behavior could be achieved by inputting measurement data from the 7th excavation step for fields with final excavation steps ranging from 8 to 11.