18-10-2010, 02:46 PM
RUBBERISATION OF ROADS
The use of bitumen modified using polymeric materials like natural rubber, synthetic rubbers and plastic etc. have helped to a great extends in improving the quality of roads. Bitumen thus modified employing polymers are known as Polymer Modified Bitumen (PMB). Out of these Natural Rubber Modified Bitumen (NRMB) is widely used in road construction which is obtained by adding natural rubber latex to boiling bitumen.