(A) study on geotechnical behavior of biopolymer treated fine soils

Abstract

In the 20th century, humankind has made tremendous growth based on new materials such as cement and concrete. However, cement has adversely affected the global environment, and geotechnical engineering is being stigmatized as the main cause of environmental destruction. In order to solve these problems, various researchers have been trying to find new environmentally friendly new materials, among which biopolymers are attracting attention as eco-friendly ground reinforcements. Previous researchers found that biopolymers have the ability to improve the strength by increasing the bonding between the soil by coating the sandy soil and electrically acting with the clay, and can play a role of reducing the permeability of the ground. This dissertation evaluate the behavior of the biopolymer when the biopolymer is treated with fine soil. Changes in soil consistency such as liquid limit and plastic limit of biopolymer treated clay were examined and sedimentation performance of biopolymer treated fine soils was evaluated. In addition, this research observed the effect of biopolymer on improving the performance of the tidal flats, one of the representative soft ground environment consisted of fine soil. Based on this study, it is possible to understand in depth the electrical action of biopolymer.