The Measures for Preventing the Diseases of the Railway Roadbed Engineering on the Weak-expansive Soil

Connecting the actual example of the construction of the railway roadbed of Luoyang-Zhanjiang Railway, and starting from various diseases probably occur in the weak-expansive soil, and based on the engineering properties of the weak-expansive soil and the reasons of these diseases, this paper puts forward some measures and methods for preventing and treating the diseases of the railway roadbed engineering on the weak-expansive soil.