Scheme Comparison discussion on Duoba bunkers Section of Nanraocheng highway in Xining

Based on Nanraocheng highway project in Xining,starting from aspects of horizontal and vertical highway line scheme selection,subgrade treatment and bridge design,the paper analyzes the limitation impact of surrounding equipment upon Duoba bunkers section highway crossing bunkers,and compares the overall design schemes,and finally points out that: applying bridge scheme has less impact upon railway and has better economic benefit.