季节冻土山区公路路基阴阳坡效应及其防治措施研究

武立波, 曹金生, 牛富俊, 林战举, 商允虎, 胡川

Study on sunny-shady slope effect and its prevention measures of highway subgrade in seasonally frozen ground mountain regions

Libo WU, Jinsheng CAO, Fujun NIU, Zhanju LIN, Yunhu SHANG, Chuan HU

表4 不同路堤高度不同措施的路基左右路肩最大季节冻深差值 (m)

Table 4 Differences of the maximum seasonally frozen depth between two shoulders with different hights and insulation measures

路堤填筑完成后时间 路堤高度1.0 m 路堤高度2.0 m 措施A 满幅铺设8 cm厚XPS板 满幅铺设6 cm厚XPS板 措施B 措施A 满幅铺设8 cm厚XPS板 满幅铺设6 cm厚XPS板 措施B 平均值 0 0.01 0.17 0 0.17 0.35 0.55 0.01 2 a 0 0.01 0.18 0 0.17 0.32 0.53 0.01 5 a 0 0 0.19 0 0.20 0.42 0.64 0.01 10 a 0 0.02 0.15 0 0.14 0.19 0.44 0 15 a 0 0.01 0.14 0 0.14 0.34 0.55 0.01 20 a 0 0.01 0.18 0 0.19 0.45 0.65 0.01 30 a 0 0.01 0.20 0 0.19 0.36 0.51 0