h'= 0.375 h for horizontal 

 or positive sloped backfills 

 with wall back slope 

 steeper thar> 2 on I. 



FIGURE 83. Earth pressure on an inclined wall 



y-u.t'^Ji!.L-yj«i>M! 



(a) Liquid 

 pressure 



(b) Negative slope 

 backfill 



(c) Back batter flatter 

 than 2 on I 



FIGURE 84. Application of resultant of earth pressure 



119 



