软土的天然含水量一般是( )。A.10%~30% B.20%~50% C.30%~70% D.60%~90%

作者: rantiku 人气: - 评论: 0
问题 软土的天然含水量一般是( )。
选项 A.10%~30% B.20%~50% C.30%~70% D.60%~90%
答案 C
解析 淤泥、淤泥质土及天然强度低、压缩性高、透水性小的一般粘性土统称为软土。大部分软土的天然含水量30%~70%,孔隙比1.0~1.9,渗透系数为10-8~10-7cm/s,压缩性系数为0.005~0.02,抗剪强度低(快剪粘聚力在10kPa左右,快剪内摩擦角0~5),具有触变性,流变性显著。

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