Structure Optimization and Numerical Analysis of Cement Concrete Overlay of Some Secondary Road overlay

摘要

According to disease investigation of cement concrete overlay of some secondary road in Hunan province, analysis model is built by ABAQUS finite element software. Research shows that the mechanical properties of cement concrete overlay of scheme B, C, D is better than scheme A. And scheme C(3.5m+4m+3.5m) is the recommended scheme, with its vehicle load and temperature stress of cement concrete pavement the smallest, longer fatigue life. Reference is proposed for design of secondary highway cement concrete pavement overlay.