Geological Prediction Methods of Expressway Tunnel on Yinxiu Epicenter
1 Sichuan Dujiangyan-Wenchuan Expressway Construction Development Corporation, Chengdu 610041
2 China Railway Southwest Research Institute Co., Ltd, Chengdu 611731
Abstract:
Yingxiu-Wenchuan expressway is located in Wenchuan earthquake epicenter which has complex geological conditions, such as developed cracks, loose and fractured rocks, abundant groundwater and accumulation of rock masses due to the earthquake. This paper discusses the geological prediction scheme for the tunnel based on the analysis of domestic and international geological prediction methods, and illustrates the application and effects.