Analysis on loess collapsibility of the ring road project from Dabiangou to Xiaobiangou in Yan'an

In order to improve the quality of highway engineering,doing lots of the indoor tests to loess along the road project from Dabiangou to Xiaobiangou in Yan'an,after a comprehensive analysis of the main influencing factors affecting collapsibility,further mastering the engineering characteristics of loess,providing accurate and reliable parameter,basis for engineering construction.