For an overconsolidated clay, the present effective overburden pressure (i.e., effective stress) of the soil is the  maximum pressure to which the soil has been subjected in the past (True or False)  In the field, it is a common observation that there is approximately a 25% reduction in layer thickness after  completion of soil compaction (True or False)  Sheepsfoot compactors are effective for coarse-grained soils (True or False)

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter5: Soil Compaction
Section: Chapter Questions
Problem 5.1P
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  1. For an overconsolidated clay, the present effective overburden pressure (i.e., effective stress) of the soil is the  maximum pressure to which the soil has been subjected in the past (True or False) 
  2. In the field, it is a common observation that there is approximately a 25% reduction in layer thickness after  completion of soil compaction (True or False) 
  3. Sheepsfoot compactors are effective for coarse-grained soils (True or False) 



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