GATE CE 2018 Set 2 — Question 53
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Geotechnical Engineering → Consolidation → Compression Index
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Question
The compression curve (void ratio, vs. effective stress, ) for a certain clayey soil is a straight line in a semi-logarithmic plot and it passes through the points (; kPa) and (; kPa). The compression index (up to two decimal places) of the soil is ______
Correct answer
0.45 to 0.55
Solution
The compression index () is the slope of the vs. curve:Given:
kPa
kPaRounding to two decimal places, .
kPa
kPaRounding to two decimal places, .
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