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settlement_of_shallow_foundations_on_granular_soils (Lutenegger ang DeGroot)

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!Or----,-----,-----r----~----.---~

1. Partly saturated clay, never inundated.

2. Saturated clay, square foundations. -+----+_,.,_:__---,~

3. Dry sands, fine gravel.

4. Saturated clay, long foundations; --+---;.,L-~-t:,.L_...q

flooded sands and fine gravel.

5. Organic silts and organic -+---..Lf--_.-L--,..1~----1

clays without peat.

Standard penetration resistance,.N

Figure 6.8 Sowers (1962) Allowable Soil Pressure Chart.

149

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