铁路路基火山渣填料工程特性试验

罗强,梁多伟,王腾飞,张良,蒋良潍

Engineering properties testing of scoria as railway subgrade fill

Qiang LUO,Duo-wei LIANG,Teng-fei WANG,Liang ZHANG,Liang-wei JIANG

表 4 改良土密度与击实参数

Tab.4 Densities and compaction parameters of stabilized soils

M ρs/(g·cm−3) ρa/(g·cm−3) ρdmax/(g·cm−3) $ {w}_{{\rm{opt}}} $/% 4:1 2.517 1.975 1.60 14.5 3.5∶1 2.443 1.963 1.63 11.6 3∶1 2.456 1.927 1.59 11.3 2.5∶1 2.399 1.864 1.63 14.4 2∶1 2.573 2.020 1.59 11.3 1.5∶1 2.450 1.944 1.62 16.0