Talus refers to a deposit of broken rock fragments that accumulate at the base of cliffs or steep slopes. It is primarily formed due to the action of gravitational forces, causing the rocks to fall and pile up at the slope’s base.
Which of the following statements (with regard to earth pressure) are correct?
A. Any movement of the retaining wall away from the fill corresponds to active earth pressure.
B. Under earthquake loading, the pore pressure decreases in saturated silty soil.
C. Coulomb's earth pressure theory does not take the roughness of wall into consideration.
D. Rankine's earth pressure theory considers that the retaining wall has a vertical backfill.
Match List-I with List-II 

