1. BITUMEN PENETRATION TEST Sample 1 105 81
A (60/70) B (80/100)
2 113 97
Penetration Value , PV (dmm) 3 4 118 115 92 95
2. RING & BALL TEST (SOFTENING POINT TEST) Timer Reading (mins) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Temperature (°c) A (60/70) B (80/100) 5 5 7 7 9 9 12 12 15 15 19 19 24 24 28 28 31 31 34 34 37 37 39 39 41 41 43 43 45 45 48
5 115 110
Average 113.2 95
Figure 1 : Nomograph for the Penetration Index of Bitumen A (60/70)
Figure 2: Nomograph for the Penetration Index of Bitumen B (80/100)