摘要
Abstract
Expansive soil road subgrade often produce the alt-ernate lift deformation of road base, easy to influence the stre-ngth and stability of road, leading to the landslide, collapse, slide and longitudinal cracking, resulting the damage of highw-ay subgrade, pavement and structure. This paper introduces an-d analyzes the characteristics and harm of expansive soil, disc-usses the expansive soil treatment method.关键词
膨胀土路基/道路/路基处理技术Key words
expansive soil roadbed/road/subgrade treatment technology