For finding out the active earth pressure for a backfill with sloping surface, the Rankine’s theory makes as additional assumption of ________

vertical and lateral stresses are negligible

vertical and lateral stresses are normal to surcharge

vertical and lateral stresses are tangential to surcharge

vertical and lateral stresses are conjugate

For finding out the active earth pressure for a backfill with sloping

1.	For finding out the active earth pressure for a backfill with sloping surface, the Rankine’s theory makes as additional assumption of ________
A.	vertical and lateral stresses are normal to surcharge
B.	vertical and lateral stresses are tangential to surcharge
C.	vertical and lateral stresses are conjugate
D.	vertical and lateral stresses are negligible
Answer» D. vertical and lateral stresses are negligible