The following results were obtained from a liquid limit test on a clay using Casagrande cup device. Number of Blows 12 20 28 32 Water Content (%) 52.5 47.1 43.2 38.6 37.0 (a) Determine the liquid limit of this clay, (b) If the natural water content is 38% and the plastic limit is 23%, calculate the liquidity index, (c) do you expect a brittle type of failure for this soil? Justify your answer. (Plot the graph manually)

Structural Analysis
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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 Casagrande cup
device.
Number of Blows
6
12
20
28
32
Water Content (%)
52.5
47.1
43.2
38.6
37.0
(a) Determine the liquid limit of this clay, (b) If the natural water content is 38% and the
plastic limit is 23%, calculate the liquidity index, (c) do you expect a brittle type of failure for
this soil? Justify your answer. (Plot the graph manually)
Transcribed Image Text:The following results were obtained from a liquid limit test on a clay using Casagrande cup device. Number of Blows 6 12 20 28 32 Water Content (%) 52.5 47.1 43.2 38.6 37.0 (a) Determine the liquid limit of this clay, (b) If the natural water content is 38% and the plastic limit is 23%, calculate the liquidity index, (c) do you expect a brittle type of failure for this soil? Justify your answer. (Plot the graph manually)
GRAPH FOR CASAGRANDE CUP METHOD
60
50
40
30
20
Transcribed Image Text:GRAPH FOR CASAGRANDE CUP METHOD 60 50 40 30 20
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