在黄河河床内和冲积平原上,广泛分布着与水工建筑物地基有密切关系的新近冲积的粉、细砂层,为了取得黄河新近冲积砂层的允许承载力和变形指标,黄委会曾在河南省巩县神堤西侧的黄河河漫滩粉、细砂层上,用了8个月的时间进行不同载荷面积和不同试坑深 In the Yellow River bed and alluvial plain, widely distributed with the foundation of hydraulic structures are newly alluvial powder, fine sand, in order to obtain the Yellow River newly alluvial sand allowable bearing capacity and deformation index, On the west side of the Shendi River in Gongxian County, Henan Province, it took eight months to carry out experiments with different loading areas and pit depths