5.1.1 This test method is applicable to various soils with a grainsize less than 20 mm.5.1.2 The main apparatus shall be in accordance with the followingprovisions.(1) Coarse sieves: mesh sizes 20 mm and 10 mm.(2) Fine sieves: mesh sizes 5 mm, 2 mm and 0. (共 6466 字) [阅读本文] >>