Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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The following figure shows a uniformly distributed load applied at the ground surface. A sample was obtained from the center of the clay layer, and the consolidation test results are shown below.
Given:
Δσ = 2,000 psf
H1 = 10 ft
H2 = 10 ft
H3 = 40 ft
eo(clay) = 1.25
γdry(sand) = 110 lb/ft3
γsat(sand) = 115 lb/ft3
γsat(clay) = 120 lb/ft3
Consolidation Test Results
| e | σ' (tsf) |
| 1.210 | 0.25 |
| 1.190 | 0.5 |
| 1.150 | 1 |
| 1.080 | 2 |
| 0.980 | 4 |
| 0.875 | 8 |
| 0.769 | 16 |
| 0.664 | 32 |
| 0.706 | 8 |
| 0.748 | 2 |
| 0.790 | 0.5 |
a) Determine the compression index, Cc
b) Calculate the primary consolidation settlement for the clay layer
Transcribed Image Text:H1
Groundwater table
H2
Void ratio = e
H3
O Sand
E Clay
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