engineering recuitment GATE CE 2023-24 Test Series Highway Engineering Highway Materials and Maintenance
The table below lists data used in obtaining a mix design for a bituminous paving mixture
|
Material |
Percentage |
Specific gravity |
|
Bitumen |
6.4 |
1.02 |
|
Coarse aggregate |
52.35 |
2.51 |
|
Fine aggregate |
33.45 |
2.74 |
|
Mineral Filler |
7.8 |
2.69 |
The maximum specific gravity of the mixture is 2.41 and the bulk specific gravity is 2.35. The effective specific gravity and bulk specific gravity of aggregates are 2.66 and 2.59 respectively. The effective bitumen content and bitumen absorbed are respectively?
1
5.54%, 1%
2
1%, 5.54%
3
4.5%, 1.5 %
4
4.5 %, 1%