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Số người truy cập: 107,015,672

 Effect of ground movement direction on ultimate lateral resistance of line alignment piles in clay
Tác giả hoặc Nhóm tác giả: Quang N.PHAM*, Satoru OHTSUKA, Koichi ISOBE, Yutaka FUKUMOTO
Nơi đăng: Transaction on GIGAKU 6(1) (2019) 06003/1-8; Số: Vol.6 No.1, May 2019;Từ->đến trang: 22-29;Năm: 2019
Lĩnh vực: Chưa xác định; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
This study estimated the ultimate lateral resistance of pile group against horizontal ground movement by using two-dimensional rigid plastic finite element method (RPFEM). The effect of ground movement direction on the ultimate lateral resistance was investigated through the case studies. According to the results, it can be seen that changes in both the ultimate lateral resistance and the failure mode of the ground around piles were observed. The impact of the pile spacing on load bearing ratios was studiously investigated. Since each pile in the group affects other piles, it leads the load bearing ratio significantly to depend on pile positions such as the front or back piles. Moreover, the load bearing ratio of each pile went up with an increase in pile spacing, but it was different remarkably among piles. The load bearing ratio varied with the directions of the ground movement.
ABSTRACT
This study estimated the ultimate lateral resistance of pile group against horizontal ground movement by using two-dimensional rigid plastic finite element method (RPFEM). The effect of ground movement direction on the ultimate lateral resistance was investigated through the case studies. According to the results, it can be seen that changes in both the ultimate lateral resistance and the failure mode of the ground around piles were observed. The impact of the pile spacing on load bearing ratios was studiously investigated. Since each pile in the group affects other piles, it leads the load bearing ratio significantly to depend on pile positions such as the front or back piles. Moreover, the load bearing ratio of each pile went up with an increase in pile spacing, but it was different remarkably among piles. The load bearing ratio varied with the directions of the ground movement.
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