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Part 5

Part 5. Ascertaining Depth of Seasonal Fluctuation and Depth of Desiccation . The depth of desiccation is typically estimated from examination of soil moisture content with depth (shown at left)

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Part 5

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  1. Part 5 Ascertaining Depth of Seasonal Fluctuation andDepth of Desiccation

  2. The depth of desiccation is typically estimated from examination of soil moisture content with depth (shown at left) • The depth of seasonal soil moisture content fluctuation is usually much less, also shown at left. Inserting meter stick into desiccation crack

  3. Drainage improvements, like these concrete-lined drainage interceptor ditches, can be difficult to maintain when constructed upon expansive soils • This is because these soils are prone to seasonal slope creep, differential heave, and desiccation, as shown here

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