膨胀土流态固化改性试验与配合比研究

杜建彪,罗强,蒋良潍,曹子奇,王腾飞,张良

Fluidized solidification modification tests on expansive soil and its mixing proportions study

Jianbiao DU,Qiang LUO,Liangwei JIANG,Ziqi CAO,Tengfei WANG,Liang ZHANG

表 1 流态固化土测试方案

Tab.1 Test scheme of fluidized solidified soil

方案 S/% C/% W/% TC/d 自由膨胀率 6, 8, 10, 12,14 18, 21, 24, 27 70, 75, 80, 85 14 标准吸湿率 6, 8, 10, 12,14 18, 21, 24, 27 70, 75, 80, 85 14 无侧限抗压强度 6, 8, 10, 12,14 18, 21, 24, 27 70, 75, 80, 85 14 龄期对无侧限抗压强度的影响 10 18, 21, 24, 27 70, 75, 80, 85 3, 7, 14, 28, 56 干湿循环对无侧限抗压强度的影响 10 18, 21, 24, 27 70, 75, 80, 85 14 初始流动度 6, 8, 10, 12,14 18, 21, 24, 27 70, 75, 80, 85 — 经时流动度 10 18, 21, 24, 27 70, 75, 80, 85 — 泌水率 6, 8, 10, 12,14 18, 21, 24, 27 70, 75, 80, 85 —