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논문 기본 정보

자료유형
학술저널
저자정보
Kwon, Jeonggeun (Research Institute of Industrial Technology, Pusan National University<affiliationid type="KISTI"> UU0000613</affiliationid>) Kim, Changyoung (Research Institute of Industrial Technology, Pusan National University<affiliationid type="KISTI"> UU0000613</affiliationid>) Im, Jong-Chul Yoo, Jae-won
저널정보
테크노프레스 Geomechanics & engineering Geomechanics & engineering 제14권 제2호
발행연도
2018.1
수록면
175 - 185 (11page)

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Sand Compaction Piles (SCPs) are constructed by feeding and compacting sand into soft clay ground. Sand piles have been installed with irregular cross-sectional shapes, and mixtures of both sand and clay, which violate the design requirement of circular shape according to the replacement area ratio due to various factors, including side flow pressure. Therefore, design assumptions cannot be satisfied according to the conditions of the ground and construction and the replacement area ratio. Two case histories were collected, examined, and interpreted in order to study the effect of the shape of SCPs. The effects of the distortion of SCP shape and the mixture of sand and clay were studied with the results of large direct shear tests. The design internal friction angle was secured with the irregular cross-sectional sand piles regardless of the replacement area ratio. The design internal friction angle was secured regardless of mixed condition when the mixture of sand and clay was higher than the replacement area ratio of 65%. Therefore, systematic construction management is recommended with a replacement area ratio below 65%.

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