čup device. Number of blows 6 12 20 28 32 Water content (%) 52.5 47.1 43.2 38.6 37.0 Two determinations for the plastic limit gave water contents of 22.8% and 23.2%. Determine (a) the liquid limit and plastic limit, (b) the plasticity index, (c) the liquidity index if the natural water content is 38% and (d) the void ratio at the liquid limit if G, = 2.7. (e) What is the soil state in the field? (f) Do you expect a brittle type of failure for this soil?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The following results were obtained from a liquid limit test on a clay using the Casagrande
cup device.
Number of blows
12
20
28
32
Water content (%)
52.5
47.1
43.2
38.6
37.0
Two determinations for the plastic limit gave water contents of 22.8% and 23.2%.
Determine (a) the liquid limit and plastic limit, (b) the plasticity index, (c) the liquidity
index if the natural water content is 38% and (d) the void ratio at the liquid limit if G, =
2.7. (e) What is the soil state in the field? (f) Do you expect a brittle type of failure for
this soil?
Transcribed Image Text:The following results were obtained from a liquid limit test on a clay using the Casagrande cup device. Number of blows 12 20 28 32 Water content (%) 52.5 47.1 43.2 38.6 37.0 Two determinations for the plastic limit gave water contents of 22.8% and 23.2%. Determine (a) the liquid limit and plastic limit, (b) the plasticity index, (c) the liquidity index if the natural water content is 38% and (d) the void ratio at the liquid limit if G, = 2.7. (e) What is the soil state in the field? (f) Do you expect a brittle type of failure for this soil?
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