Course code: CE 231
Course Title: Geotechnical Engineering I Semester: Summer 2021
Lesson: 4
Plasticity of soil
Course Teacher: Saurav Barua
Assistant Professor, Department of Civil Engineering, Daffodil International University (DIU)
Email: [email protected]
Phone: +8801715334075
outline
Liquid limit, plastic limit
Shrinkage limit
Plasticity Chart
Structures of cohesive and cohensionless soil
2
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Soil states
3
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4 states of soil are:
Solid
Semi-solid
Plastic
Liquid
Atterberg limits
4
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Liquid limit
5
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Liquid limit
6
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Atterberg limits
7
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Plastic limit
8
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Plastic limit
9
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Plasticity index
10
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Plasticity index (Math)
11
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Shrinkage limit
12
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Shrinkage limit
The moisture content, in percent, at which the volume of the soil mass
ceases to change is defined as the shrinkage limit.
Shrinkage limit calculation
13
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Liquidity index
14
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Liquidity index
15
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Activity
16
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Plasticity chart
17
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Cohensionless soil structure
18
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Cohensive soil structure
19
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Structure of clay
20
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