ed the following results: overconsolidation ratio (OCR) = 1.5 Compression index = 0.25 Recompression index = 0.05 Secondary compression index = 0.02 Initial void ratio = 0.90 Determine the following a. the primary consolidation settlement of the clay layer (in mm). b. If the primary consolidation settlement took 2 years to achieve in the field, calculate the secondary consolidation settlement after a period of 5 years (in mm). c. the preconsolidation pressure (in KPa.   Note: Kindly give all right solutions with clear calculations.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A stratum of clay is 2m thick and has an initial vertical effective stress of 50 KN/m2. The foundation load caused an increased pressure of 40 KN/m2 at the mid-layer of clay. Consolidation test revealed the following results: overconsolidation ratio (OCR) = 1.5 Compression index = 0.25 Recompression index = 0.05 Secondary compression index = 0.02 Initial void ratio = 0.90 Determine the following

a. the primary consolidation settlement of the clay layer (in mm).

b. If the primary consolidation settlement took 2 years to achieve in the field, calculate the secondary consolidation settlement after a period of 5 years (in mm).

c. the preconsolidation pressure (in KPa.

 

Note: Kindly give all right solutions with clear calculations. 

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