项 目
|
指 标
|
|
密度/g·㎝
|
≥
|
4.5
|
含泥量/%
|
≤
|
2.5
|
粒径范围/mm
|
0.25~0.5(三层)
|
|
粒径小于下限颗粒/%
|
≤
|
3
|
粒径大于上限颗粒/%
|
≤
|
2
|
项 目
|
指 标
|
|
密度/g·㎝
|
≥
|
4.4
|
含泥量:粒径小于2mm/%
|
≤
|
2
|
粒径大于2mm/%
|
≤
|
1
|
粒径范围/mm
|
0.5~1;1~2;2~4;4~8
|
|
粒径小于下限颗粒/%
|
≤
|
5
|
粒径大于上限颗粒/%
|
≤
|
5
|