问题
单项选择题 案例分析题
某铁路通过多年冻土区，路基土层为粉质黏土，相对密度d=2.72，质量密度ρ=2.0g/cm3，冻土总含水量ω0=39%，冻土融沉后含水量ω=22%，塑限含水量ω0=19%。根据《岩土工程勘察规范》（GB50021-2001），计算该段多年冻土融沉系数δ0，并判定符合下列（）融沉等级。（）
A.9.7（Ⅳ）
B.12.2（Ⅳ）
C.15.5（Ⅳ）
D.24.8（Ⅴ）
答案
参考答案：B
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