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논문 기본 정보

자료유형
학술저널
저자정보
Shen, Yongjiang (Institute of Disaster Prevention Science and Safety Technology, School of Civil Engineering, Central South University) Wu, Zhijun (The Key Laboratory of Safety for Geotechnical and Structural Engineering of Hubei Province, School of Civil Engineering, Wuhan University) Xiang, Zhengliang (Institute of Disaster Prevention Science and Safety Technology, School of Civil Engineering, Central South University) Yang, Ming (Institute of Disaster Prevention Science and Safety Technology, School of Civil Engineering, Central South University)
저널정보
테크노프레스 Geomechanics & engineering Geomechanics & engineering 제13권 제4호
발행연도
2017.1
수록면
621 - 640 (20page)

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The double-row long-short composite anti-sliding piles system is an effective way to control the landslides with high thrust. In this study, The double-row long-short composite anti-sliding piles with different load segment length (cantilever length) and different pile row spacing were studied by a series of physical tests, by which the influences of load segment length of rear-row piles as well as pile row spacing on the mechanical response of double-row long-short composite anti-sliding pile system were investigated. Based on the earth pressures in front of and behind the piles obtained during tests, then the maximum bending moments of the fore-row and the rear-row piles were calculated. By ensuring a equal maximum moments in the fore-row and the rear-row piles, the optimum lengths of the rear-row piles of double-row long-short composite system under different piles spacing were proposed. To investigate the validity of the reduced scale tests, the full-scale numerical models of the landside were finally conducted. By the comparisons between the numerical and the physical test results, it could be seen that the reduced scale tests conducted in this study are reliable. The results showed that the double-row long-short composite anti-sliding piles system is effective in the distribution of the landslide thrust to the rear-row and the fore-row piles.

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