PROBLEM 11: A 2m clay layer has values of e = 0.92, Gs = 2.72 and a compression index Cc = 0.333. Above the clay is a sand layer of 3 m thick with e = 0.50 and Gs = 2.62. Water table is located 1.5 m below the ground surface (sand layer). If a 3 m thick back fill is placed over the existing ground surface, determine the consolidation settlement of the soft clay layer. Unit weight of back fill is 17.3 kN/m?.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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SETTLEMENTS
PROBLEM 11:
A 2m clay layer has values of e = 0.92,
Gs = 2.72 and a compression index Cc
= 0.333. Above the clay is a sand
layer of 3 m thick with e = 0.50 and Gs
= 2.62. Water table is located 1.5 m
below the ground surface (sand layer).
If a 3 m thick back fill is placed over the
existing ground surface, determine the
consolidation settlement of the soft
clay layer. Unit weight of back fill is
17.3 kN/m?.
a. 118 mm
C. 81 mm
b. 56 mm
d. 107 mm
Transcribed Image Text:SETTLEMENTS PROBLEM 11: A 2m clay layer has values of e = 0.92, Gs = 2.72 and a compression index Cc = 0.333. Above the clay is a sand layer of 3 m thick with e = 0.50 and Gs = 2.62. Water table is located 1.5 m below the ground surface (sand layer). If a 3 m thick back fill is placed over the existing ground surface, determine the consolidation settlement of the soft clay layer. Unit weight of back fill is 17.3 kN/m?. a. 118 mm C. 81 mm b. 56 mm d. 107 mm
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