railway RRB JE (CBT I + CBT II) Mock Test 2024 Soil Mechanics and Foundation Engineering Index Properties
As per Indian Standard Soil Classification System (IS: 1498 - 1970), an expression for A-line is
1
Ip = 0.73 (wL − 20)
2
Ip = 0.70 (wL − 20)
3
Ip = 0.73 (wL − 10)
4
Ip = 0.70 (wL − 10)