Scheme Comparison of Old cement concrete pavement treatment on Dugu road widening reconstruction

Based on the widening reconstruction project of Dugu Road,three schemes were drafted,including direct overlaying on the old pavement,crack and seat,and broken and remove,which were compared and selected from the point of view of technical and economic.According to the actual situation of the project,the broken and remove scheme was selected in reconstructing the old cement concrete pavement for it's convenient construction.Above content will provide reference for the scheme selection of old cement concrete pavement reconstruction.