本地纯净下载
纯净官方版Bsports网页版软基问题是指,湖区较多堤基浅部存在淤泥质类软土,天然含水量高,孔隙比大,存在强度低、压缩性高、透水性差、固结排水时间长等特点。部分堤防也是在此地质条件下建成,湖区老百姓称为“橡皮土”,在高洪水位期间,大堤容易发生滑坡险情。如钱粮湖垸采桑湖一线大堤,经过数十年仍然发生沉陷。。
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