PHYSICAL MODELING INVESTIGATION ON REINFORCEMENT MECHANISM OF GEOCELLS UNDER MOVING LOAD CONDITIONS

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  • 移動載荷条件におけるジオセルの地盤補強メカニズムに関する模型実験による検討

Abstract

The authors have studied geosynthetic basal reinforcement techniques for emergency and rehabilitation roads in the event of disasters. In this paper, the authors report the physical model tests of the geocell-reinforced ground under moving load conditions. The results of model tests of unreinforced and geocell-reinforced ground whose relative density is 50 % are presented, including wheel settlement, horizontal loads acting on the wheels, and vertical loads acting on the model ground. The visualized displacement field of the model grounds by PIV method is also shown. It was revealed that the geocell can reduce the wheel settlement of the foundation by constraining the horizontal deformation of the infilled soil in the moving wheel loads condition.

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