How Aggregate Is Made In Malaysia

Made up of coarse aggregate bound with 4.5 % to 6% of bitumen to provide good resistance to shear stress.Dense bitumen macadam (dbm) is mixture of 40mm aggregate, 20mm aggregate, quarry dust, 4% of bitumen and 1.9 % of cement.The primary function is to distribute the traffic loads so that road base is not subjected to excessive stress.