ABSTRACT
Reinforced 300mm 0.4H to 0.7H Suitable for H< 7m 0.1H base thickness; concrete (minimum) Rare for H= 10m 1 Horizontal to 50Vertical
Counterforts for H> 5m face batter; Counterforts Counterfort spacing 200mm minimum 2/3H but> 2.5m thickness
Crib wall 0.5H to 0.5H to 1.0H Suitable for H<5m 1 Horizontal to 6Vertical 1.0H face batter
Gabion wall 0.5m 0.4H to 0.6H Suitable for H< 10m 1 Horizontal to 8 (minimum) Vertical face batter;
Unit weight based on porosity n= 0.3 to 0.4
Reinforced 2.5m 0.7H minimum Economical to significant Minimum horizontal bench soil structure minimum 0.8H to 1.1H heights Refer table 20.7 width of 1.2m in front of
for sloping fill for embedment walls with slopes or external loads
◦ A face batter is recommended for all major walls in an active state. Movement forward is required for the active state. The face batter compensates for this effect.
