Geocell construction method is one of the method using geosynthtics. By using Geocell for base course, it is expected that the bearing capacity can increase. However, the effect of Geocell on the lower part of the geocell has not been clarified. From the past research, when geocell has small cell and high stiffness, reinforcement effects of the bearing capacity and stress reduction effect were shown to be obtained. In this study, two types of load test were conducted with a ground model produced with the aim of examining the reduction in thickness of subbase, based on the findings as to characteristics of bearing capacity and deformation of ground with geocell and stress distribution effects in the case of laying geocell from among a series of studies clarifying design standards and design methods for subbase reinforced by geocell.
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