1 The efficiency coefficient of 3x3 piles group in cohesion soil using small scaled pile group model / Tran Thi Phuong Huyen, Nguyen Sy Hung // Xây dựng .- 2023 .- No. 6 .- P. 90-95 .- 624

This paper deals with the investigation of a model experimental study of group piles of different length to diameter ratio (L/D) as well as different spacing (S) between the piles in the group.