泡沫轻质回填材料具有质量轻 ,流动性好 ,施工方便 ,且可利用废料 ,兼顾环保 ,在土木工程中有着广泛的用途。研究了泡沫轻质材料的力学特性 ,并进行了试验分析。 Lightweight foam backfill material with light weight, good fluidity, easy construction, and the availability of waste, taking into account environmental protection, has a wide range of uses in civil engineering. The mechanical properties of foamed lightweight materials were studied and analyzed.