Full-scale model test on prevention of frost heave of L-type retaining wall

In order to investigate protection against the frost heaving of seasonal frozen soil behind precast L-type retaining walls in cold regions, test walls were installed in the campus of Kitami Institute of Technology (KIT, Hokkaido, Japan) in two sections (one incorporated countermeasures against frost heave and the other had no such countermeasures). The freezing front distribution and ground temperature within the backfill were observed and...