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Effective sterss was discovered by Arthur Cassagrande
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The OCR is used to estimate the amount of secondary consolidation
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The compression index is used to calculate how fast clay will consolidate
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Atterburg limits are related to the amount of settlement expected in a clay
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Secondary consolidation is as important as primary consolidation
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Permeability can be determined form a consolidation
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Dry soils are not affected by effective stress
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Boussinesq is less accurate at shallow depths than Westergard
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Newmark Charts are used to calulate effective stress
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Peats exhibit mostly secondary consolidation
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Thin sand layers, in thinck clay layers, slow down consolidation
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The solution to one demensional consolidation uses the LaPlace equation
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The time factor is used in total sttlement calculations
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Moving water has a higher water pressure than static water at the same depth
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Saturated clays have lower pore pressure than unsaturated clays
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 Spring '09
 MELVILLE
 Civil Engineering, Effective stress, Karl von Terzaghi, Westergard Newmark Charts

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