Abstract
This paper discusses the reinforcement effect of geogrids on the improvement in the brittle tensile strength of stabilized property soil based on laboratory test results. Triaxial tests were conducted under consolidated undrained conditions using specimens made of stabilized soil and stabilized soil with a geogrid. The test results showed that the use of a geogrid in stabilized soil increases the failure strain, as compared to the case where a geogrid is not used, and can prevent the continuous development of cracks. In addition, it was observed that the interaction between the geogrid and the stabilized soil can increase the tensile strength of the soil. The results also showed that the increase in the tensile strength due to the use of the geogrid does not change with the confining pressure; therefore, the increase in the tensile strength can be modeled as quasi-cohesion.
