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 7 亚吉铁路改良火山渣填料设计指标建议

Tab.7 Recommended guidelines of fill material for second-class railroad subgrade

路基层位 K/% n/% K30/(MPa·m−1) MR 1) 注：火山渣颗粒的洛杉矶磨耗率<50%. 基床表层 ≥93 ≤29 ≥140 2:1 基床底层 ≥91 ≤31 ≥120 3:1~1.5:1 基床以下路堤 ≥90 ≤32 ≥110 3.5:1~1.5:1