ジオコンポジット補強盛土の浸透・安定機構の解明と浸透力を考慮した盛土安定解析法の提案

概要

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Constructions of the steep gradient banking by using cohesive soil, which is high water content and volcanic, are becoming possible by adopting the earth reinforcement method. And, geocomposites have also been developed with the stratified structure by the nonwoven fabric and the woven fabric of high rigid ness and high intensity so as to have both drainage and reinforcement functions. However, the mechanism of drainage and reinforcement function has not been clearly examined yet, especially from the separated points. Furthermore, osmotic force that has influence effects on strength degradation and seepage face due to the increasing of saturation is not considered in the previous slope stability calculations. In this study, a new banking stability analytical technique is presented based on the division method considering strength decrease of the soil with seepage face. The drainage and reinforcement functions are also investigated by carrying out the experiment of geocomposites reinforcing viscid soil banking.
長崎大学の論文