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 Undrained bearing capacity of strip footing on clayey soil subjected to combined eccentric and inclined loads
Tác giả hoặc Nhóm tác giả: Pham N. Quang*, Ohtsuka Satoru, and Pham N. Vinh
Nơi đăng: The 5th International Conference on Geotechnics for Sustainable Infrastructure Development - Geotec Hanoi; Số: 5;Từ->đến trang: 1-8;Năm: 2023
Lĩnh vực: Kỹ thuật; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
The objective of this study was to evaluate the bearing capacity of a rigid footing on uniform clayey soil under combined eccentric and inclined loads, using the rigid plastic finite element method (RPFEM). The footing was considered to be rigid and rough at the contact plane, as it most often is in reality. The study thoroughly considered the effect of the soil properties on the load inclination factor ic to investigate the validity of the current design methods. In particular, the effect of the horizontal load in two opposite directions on the ultimate bearing capacity and the limit load space in the V-H-M space were clarified. Through a series of numerical analyses, new equations were proposed for the load inclination factor ic, and the limit load space in the V-H-M space, by taking into account the direction of the horizontal load.
ABSTRACT
The objective of this study was to evaluate the bearing capacity of a rigid footing on uniform clayey soil under combined eccentric and inclined loads, using the rigid plastic finite element method (RPFEM). The footing was considered to be rigid and rough at the contact plane, as it most often is in reality. The study thoroughly considered the effect of the soil properties on the load inclination factor ic to investigate the validity of the current design methods. In particular, the effect of the horizontal load in two opposite directions on the ultimate bearing capacity and the limit load space in the V-H-M space were clarified. Through a series of numerical analyses, new equations were proposed for the load inclination factor ic, and the limit load space in the V-H-M space, by taking into account the direction of the horizontal load.
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