ProbleM #$2$: CAL CULATE ACTIVE E PASIVE PREASSURE FOR THE HOLOW ING:

larr LEVEL BACKFILL

BEHIND WALL

SOIL TYPE I

$C^{\text{'}}=0$

$=35$

$=120PSF$

INFRONT OF WALL SOIL TYPE II

C $=500$ PSF

Phi $=30$

Gamma $=110$ PSF