纳米硅溶胶加固全风化花岗岩及其渗透规律

蔡智远,杨微,何一凡,宋牧原,左国恋,陈伟

Reinforcement of completely weathered granite by nano-silica sol and its permeability law

Zhiyuan CAI,Wei YANG,Yifan HE,Muyuan SONG,Guolian ZUO,Wei CHEN

表 4 不同配比硅溶胶加固体在不同养护天数下的渗透系数

Tab.4 Permeability coefficient of silica sol reinforced soil under different ratios and different curing days

编号 试样 K/(cm·s−1) dc=0 dc=7 dc=14 dc=28 1 S30-4-8 1.20×10−8 1.40×10−8 1.35×10−8 1.38×10−8 2 S30-6-10 1.77×10−8 1.68×10−8 1.52×10−8 1.47×10−8 3 S30-8-12 1.02×10−8 1.36×10−8 1.23×10−8 1.05×10−8 4 S25-4-10 3.99×10−8 3.00×10−8 2.82×10−8 2.73×10−8 5 S25-6-12 2.94×10−8 2.39×10−8 2.36×10−8 2.35×10−8 6 S25-8-8 2.36×10−5 9.41×10−6 2.81×10−6 1.59×10−8 7 S20-4-12 3.34×10−5 6.69×10−6 1.46×10−6 1.09×10−7 8 S20-6-8 5.24×10−6 1.81×10−6 4.15×10−8 2.60×10−8 9 S20-8-10 4.01×10−6 1.21×10−6 2.43×10−8 2.42×10−8