Table 6.2
No-Fines Chart Soil Types: Coarse to medium sands, clean sand and gravel, little or no fines φ = 36° (Ref) Soil Types: Uniform to well graded sands, silty sands φ = 32° (Ref) Soil Types: Sand-silt-clay mix, clayey sands φ = 27° (Ref)
Depth of No-Fines including wall facing
Condition Above Wall Wall Height Buried Block 12°(Ref) AB Stones only of the AB Collection 6° or 3° (Ref) AB and AB Europa Collection Excl. AB Stones 12° (Ref) AB Stones only of the AB Collection 6° or 3° (Ref) AB and AB Europa Collection Excl. AB Stones 12° (Ref) AB Stones only of the AB Collection 6° or 3° (Ref) AB and AB Europa Collection Excl. AB Stones
ft m in cm ft m ft m ft m ft m ft m ft m

Case A
Level Slope
Above the Wall
3 0.9 6 15 - - - - - - - - - - - -
4 1.2 6 15 - - - - - - - - 2 0.7 2 0.7
5 1.5 6 15 - - 2 0.7 - - 2 0.7 2 0.7 2.5 0.8
6 1.8 6 15 2 0.7 2.5 0.8 2 0.7 2.5 0.8 2.5 0.8 2.5 0.8
7 2.1 7 18 2.5 0.8 2.5 0.8 2.5 0.8 2.5 0.8 2.5 0.8 3 1
8 2.4 8 20 2.5 0.8 3 1 2.5 0.8 3.5 1.1 3.5 1.1 3.5 1.1
9 2.7 9 23 3 1 3.5 1.1 3 1 3.5 1.1 3.5 1.1 4 1.3
10 3.0 10 25 3.5 1.1 4 1.3 3.5 1.1 4 1.3 4 1.3 4.5 1.4

Case B
Surcharge*
100 psf (4.7 kPa)
Above the Wall
3 0.9 6 15 - - 2 0.7 - - 2 0.7 2 0.7 2.5 0.8
4 1.2 6 15 - - 2 0.7 2 0.7 2 0.7 2 0.7 3 1
5 1.5 6 15 2 0.7 2.5 0.8 2 0.7 2.5 0.8 2.5 0.8 3.5 1.1
6 1.8 6 15 2 0.7 2.5 0.8 2 0.7 2.5 0.8 3 1 3.5 1.1
7 2.1 7 18 2.5 0.8 3 1 2.5 0.8 3 1 3.5 1.1 4 1.3
8 2.4 8 20 2.5 0.8 3 1 2.5 0.8 3.5 1.1 4 1.3 4.5 1.4
9 2.7 9 23 3 1 3.5 1.1 3 1 4 1.3 4.5 1.4 5 1.6
10 3.0 10 25 3.5 1.1 4 1.3 3.5 1.1 4 1.3 4.5 1.4 5 1.6

Case C
3H:1V Slope
Above the Wall
3 0.9 6 15 - - - - - - - - 2 0.7 2.5 0.8
4 1.2 6 15 - - 2 0.7 - - 2 0.7 2.5 0.8 3 1
5 1.5 6 15 - - 2 0.7 2 0.7 2.5 0.8 3.4 1.1 4 1.3
6 1.8 6 15 2 0.7 2.5 0.8 2 0.7 3 1 4 1.3 5 1.6
7 2.1 7 18 2.5 0.8 3 1 2.5 0.8 3 1 4.5 1.4 5.5 1.7
8 2.4 8 20 2.5 0.8 3 1 2.5 0.8 3.5 1.1 5 1.6 6.5 2
9 2.7 9 23 3 1 3.5 1.1 3 1 4 1.3 5.5 1.7 7 2.2
10 3.0 10 25 3.5 1.1 4 1.3 3.5 1.1 4.5 1.4 6.5 2 8 2.5