适用于农田水利建筑物的改良型数字混凝土模型

覃源1, 柴军瑞1,2, 党发宁1

The improved random aggregate model of concrete for irrigation and water conservancy

QIN Yuan1,CHAI Jun-rui 1,2,DANG Fa-ning1

河北农业大学学报 . 2012, (2): 130 -135 .