ASTM D 1883. A examination to find out the aptitude of a soil or mixture sample being a highway subgrade. A plunger is pushed into a compacted sample, and its resistance is measured.????????? ? ????????? ? ?????????? ? ???????? ? ??????? ? ?????? ? ?????? ? ????? ????? ?????? ???????Utilized for the dedication of porosity and voids ratio. Frequentl… Read More