文章介绍了气泡混合轻质土的概念、性能、优点及制作流程。从施工特点、承载力及经济等方面论述了对于目前公路建设中难于解决的软基地段的桥头跳车、道路加宽时新老路基的结合及软基路提的填筑等问题,应用气泡混合轻质填土技术确实是一种较好的方法。 The article introduces the concept, performance, advantages and production flow of bubble mixed light soil. From the aspects of construction characteristics, bearing capacity and economy, the paper discusses the problems such as the bridgehead jumping at the soft foundation section which is difficult to be solved in the current highway construction, the combination of old and new roadbed when the road is widened, Mixed lightweight fill technology is indeed a better method.