Lateral Earth Pressure

Dr. Ahmed AbdelRaheem

:- ( Z) = : = = =1/2 ( )

(Active Earth Pressure) . :-- -1- Active Earth Pressure (Passive Earth Pressure) . . (Earth Pressure at Rest)

(K0)= (sh)/ (sv)K0=sh/sv = m/(m-1)

(K0) 0.50 0.60 0.80 0.60 0.50

active earth pressure

(q) W= b.H.gPa = g H2 Ka W Pa (R) W Pa n n R m m .

Pa1=1/2 g 1H21Ka1Pa2= g 1H1Ka2H2Pa3=1/2 g 2H22Ka2R = Pa1+ Pa2+ Pa3