The following refer to the stability analysis of an earth dam under different conditions:
1. Stability of D/S slope during steady seepage
2. Stability of U/S slope during sudden drawdown
3. Stability of U/S and D/S slopes during construction
Of these statements
1
1 and 2 are correct
2
1 and 3 are correct
3
2 and 3 are correct
4
1, 2 and 3 are correct