On the Improvement Effect of Lanxu Highway Ground by Dynamic Compaction;

This paper takes a section of Lan-qin expressway as an example and analyzes subsidence,crack,mud-rock flow,collapse and other geological disaster appearances.

Along with the rapidly develop of national expressways and gradually improve of concession system in expressway industries, the expressway concession corporations have been established all across the nation, and has formed a group of enterprises mainly operating in expressway construction.

There is still a need to strengthen the study on project risk management of China s expressway concession.

An Approach to Application of Soil Infiltrating Technique in Clarification of Sewage at Subsidiary Area of Freeway;

Effects of Ecological Environment of Freeway and Evaluation of Them,Based on 3S Technique;

Analysis of freeway traffic safety situationand countermeasure in Chongqing;

Distribution and Environmental Quality Assessment of Lead Polution in Soil along Chengyu Highway;

The Problems and Countermeasures of Highway Environmental Impact Assessment;

The Forecast Experience Discuss of Highway Traffic Noise;