Field Test and Numerical Analysis of Flexible Retaining Wall of Shoulder Geocell

Abstract

In order to study the stress and deformation characteristics of the shoulder type geocell flexible retaining wall, a three-dimensional numerical model of the geocell flexible retaining wall is established based on the reconstruction project of Zichang County urban transit section of Provincial Road 205 in Shaanxi Province, and the numerical calculation results are compared with the field monitoring results. The results show that the base pressure of the flexible retaining wall of the shoulder geocell increases with the increase of the filling height of the retaining wall, and decreases slightly after the completion of the construction; the horizontal earth pressure on each layer of the retaining wall is not evenly distributed, the horizontal earth pressure in the middle of the retaining wall > the horizontal earth pressure inside the retaining wall > the horizontal earth pressure outside the retaining wall; the horizontal earth pressure and the horizontal deformation after the stability are along the height of the retaining wall The drum distribution is the largest at the height H / 2 of the retaining wall.