Soil Mechanics and Foundation
For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as

dry of OMC and dry of OMC where OMC is optimum moisture content
wet of OMC and dry of OMC
dry of OMC and wet of OMC
wet of OMC and wet of OMC

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Soil Mechanics and Foundation
A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively

0.05 N/mm² and 45°
0.5 N/mm² and 30°
0.05 N/mm² and 0°
0.2 N/mm² and 0°

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