A brief talk on the alignment design of the old road rebuilding;

Application of subgrade treated by dynamic compaction in old road rebuilding;

It is a effective old road rebuilding scheme that laying asphalt concrete layer on the old cement concrete pavement to improve its intension to meet the demand of traffic.

The article probes into the mathematical model suitable for the alignment fitting of the longitudinal sectional design of the road rebuilding, and puts forward the method using the computers the carry out the longitudinal sectional alignment design of the road rebuilding.

According to the road traffic characteristics of the impact scope of Jiefangbei CBD ,the paper used the idea of traffic impact analysis to bright up road rebuilding or improvement project plans and traffic organization plans, evaluated the effects of all the plans, recommended the proper definition and scale of CBD development.

This paper discusses main problems involved in the transformation of old road and provides that it is better to widen inferior road in one side and widen super road on both sides.

Design optimization and project management for old highway reconstruction;

Technology requirements for strengthening scheme in the item management of old highway reconstruction;