Indoor model tests on reinforced retaining wall with different reinforcement ratios

reinforcement layers and pulling speed are conducted in a chamber developed by the authors.The influences of different reinforcement ratios and reinforcement layers on deformation of the retaining wall and pulling speed on reinforcement-soil interface shear strength are analyzed.The test results show that the settlement at the joint of the reinforcement materials and panel of retaining wall is larger than the back and middle parts of the retaining wall.The settlement and rigid panel angle get smaller and the earth pressure decreases with the increase of reinforcement ratios and layers.What is more

the optimal reinforcement ratio of the reinforced retaining wall is between60%and 70%.The pulling speed has little effect on cohesion between soil and reinforcement.But the friction angle increased with the increase of pulling speed

resulting in increase of shear strength on reinforcement-soil interface.