Semi gravity walls

L WallCan be used with counterforts. 
Invert-L WallCan be used with buttresses. 
T-Wall, Shallow FoundationT-walls on spread footing. Use counterforts and shear key if needed. 
T-Wall or L-Wall, Deep FoundationT-walls or L-walls on deep foundations. Use either drilled caissons or piles. 
P/T T-Wall, Shallow FoundationT-walls with precast, post-tensioned stem and cast-in-place base on spread footing. 
P/T T-Wall, Deep FoundationT-walls with precast post-tensioned stem and castin-place base on deep foundation, either drilled caissons or piles. 

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