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The Compressibility Properties Of Soil
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1.1.2 PLASTICITY INDEX
This can be defined as the numerical
difference between the liquid limit and plastic limit. The plasticity
index is expressed in percentage of the dry weight of the soil sample
and also it shows the size of range of the moisture contents at which
the soil remains plastic.
The plasticity index also gives a
good indication of compressibility. The greater the plastic limit the
greater the soil compressibility (Ashworth 1966).
1.2 AIMS AND OBJECTIVES
The aims and objectives of this project includes
i. To study compressibility
ii. To obtain the compressibility properties of soil in Maryland area.
iii. To obtain data that may be used in predicting the rate and the amount of settlement of structures in the area.
1.3 SCOPE OF STUDY
The scope of this project is limited to obtaining the compressibility properties of soil in Maryland area.
1.4 SIGNIFICANCE OF THE STUDY
i. This project will help to understand the compressibility
properties of soil in Maryland area which will reduce the problems that
geotechnical engineers face in designing economic foundation for the
required infrastructure in Maryland area.
ii. The
compressibility properties of the soil in the area obtained from
labouratory test might be used to estimate the magnitude and the rate of
settlement of a structure or an earth fill in Maryland area.
1.5 COMPRESSIBILITY PARAMETERS:
To obtain the compressibility properties of soil in Maryland, labouratory test will be carried out to obtain.
i. Coefficient of compression/compression index (CC).
ii. Swell index (CS)
iii. Coefficient of compressibility (AV)
iv. Coefficient of volume compressibility (MV)
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