4.2 Process requirements before compaction

4.2.1 The base of compaction site shall be measured as perprovisions of 3.2.1.4.2.2 Sampling from borrow areas and quarries.(1) Sample uniformly up and down around the material piles or at theexit of belt conveyor. The samples obtained shall be representa ......（本文共 2072 字 ）     [阅读本文] >>