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Recently, as underground construction becomes larger and deeper, temporary facilities must be designed, and methods suitable for the construction environment, such as the shape of surrounding structures and ground conditions, must be applied. Among them, the importance of self-contained earth retaining wall temporary facility construction is growing. Therefore, the installation method and construction technology of the self-contained earth retaining wall temporary facility structure must be improved. In this study, to evaluate the structural behavior of steel pipe piles for self-contained earth retaining wall, a full-scale specimen was fabricated, the steel pipe ends were welded with round steel plates, and CLSM was filled through the sand compaction inside the steel pipe. Subsequently, compressive and flexural strength tests were conducted on the specimen in which both ends of the steel pipe were welded with round steel plates. Additionally, a finite element analysis of the vertical displacement of the bending specimen according to the load was performed based on the results from the ANSYS finite element analysis, and the results were compared.
Kim et al. (Mon,) studied this question.