0311 Soil Test Methods

1. Ball Test

01

1.1. Wet Ball Test
– Drop the ball from a height of at least 1 meter.
– Ball retains its shape with little amount of deformation -> the soil is plastic clayey in nature.
– Ball flattens out upon hitting the floor -> the soil is sandy in nature.

1.2. Dry Ball Test
– Drop the ball from a height of at least 1 meter.
– Ball cracks into many pieces -> the soil is sandy in nature.
– Ball breaks into two to three pieces -> the soil is clayey and plastic in nature.

2. Sedimentation Test
– Add water to about 50% above the soil level.
– Stir the soil and water mixture with a spoon for at least 2 mins. The color of the stirred material should be unoform.
– Stand for at least 12 hours / until the water becomes clear at the top.
– Measure the height of the each layer.

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<Above: Physical Properties of Soil>

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