Dynamic earth pressure effect analysis on pre-stressed anchor pile plate wall under traffic load

Taking sheet-pile in ShuoHuai expressway as an typical example,using numerical method and considering the different distance between the vehicles and the retaining wall,the different vehicles' loads and velocities,the dynamic stress was studied according to the different positions of sheet-pile (pile and board). The results show that,under the traffic load,the main part of the retaining wall which is affected is less than 2 m of the top of the retaining wall. The dynamic effect of the pile is bigger than that of the board. When the dynamic load varies in 0-1.5 m,there is a bigger dynamic effect on the retaining structure,and the distance is greater than 1.5 m,the dynamic effect of the vehicles on the retaining wall is relatively small. The velocity of vehicles has a less effect on the retaining structure. The overload of the vehicles has a larger effect on the retaining structure,it must be considered.