Centrifuge Model Test on Ground Water Pollution due to Construction of Pile Foundations in a Waste disposal Site

摘要

Investigation of the contaminant leakage from a post closure offshore landfill site using centrifuge model tests is presented. The leakage assessment is mainly focused toward the disturbance caused to the natural clay barrier of landfill site by construction of massive deep foundation structures like piles through it and life time impact due to such structures. The study shows that the non-displacement type pile installation has very minimal disturbance to the NC clay ground even though the field conditions are critical and there is no possibility of triggering subsurface pollution from landfill site under normal condition of soil structure interaction.