With regard to the subgrade construction on soft earth in undrainage condition,a numerical model is set up to simulate the subgrade construction using a finite element analysis software PLAXIS.

The application of the sandy pebble fillings in highway roadbed;

Quality analysis of pre-stress tendons anchorage for railway roadbed and its measures research;

Analysis of main problems in frozen soil roadbed and treating measures;

Analysis on the subgrade deformation in the plateau permafrost region;

On Reasons for Subgrade Diseases and Treating Measures;

Study on the subgrade foundation reinforcement construction of Jingjin inter-city rail transit engineering;

Study on warm and ice-rich permafrost beneath Qinghai-Tibet Railway embankment with pressiometer;

Influence factors of embankment longitudinal cracks in permafrost regions;

INFLUENCE OF KARST CAVE ON THE STABILITY OF HIGH WAY EMBANKMENT——A Case Study in the Embankment of the Section K122+200 of Changzhang High Way;

Analysis on the prevention of road foundation freeze injury of deep seasonal frozen soil area;

The application of strong hammer technique in collapsible loess foundation;

The application of sleeve-valve-pipe grouting in road foundation disease management;

Discussion on the engineering properties of clayey fills with high liquid limit used as road foundation materials;

Combining with project practice, this paper introduces checking method of grit road foundation solidness in super road project.