الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
In most of these situations, the consolidation process of the soft soil has not been fully completed owing to the extremely low permeability of the soft soil. When soil mass consolidates, the downward movement of the soil relative to the pile would result in downward shear stresses being developed and this is commonly known as negative skin friction (NSF). Consequently, additional downward force defined as the drag load is induced in the pile. There have been quite several studies carried out on the topic of NSF over the past few decades; however, it is evident that some of the conclusions were drawn from these studies. There is therefore a need to carry out a study focusing on actual local conditions encountered concerning pile behavior subjected to NSF. Special attention is paid to the consideration of installing the pile after the ground has achieved a substantial degree of consolidation. In this study, the 3D finite element method (FEM) using the Mohr hardening soil model analysis was used to determine the effect of the piles’ group on the negative skin friction.