Question
Download Solution PDFFor determining the grain size of soil particles, which of the following equipment can be used?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Sieve analysis:
- Sieve analysis is a method that is used to determine the grain size distribution of soils that are greater than 0.075 mm in diameter.
- It is usually performed for sand and gravel but cannot be used as the sole method for determining the grain size distribution of finer soil.
Additional InformationFine-grained soil is classified on the basis of a plastic chart. Clay is found to exist above A-line whereas silt & organic soil found to exist below A-line.
The equation for A-line is,
IP = 0.73 (WL - 20)
Suffix and prefix used in soil classification:
|
Soil Type |
Prefix |
Soil Type |
Suffix |
|
Gravel |
G |
Well graded |
W |
|
Sand |
S |
Poorly graded |
P |
|
Silt |
M |
Clayey |
C |
|
Clay |
C |
Silty |
M |
|
Organic |
O |
Low compressibility |
L |
|
Peat |
Pt |
Intermediate compressibility |
I |
|
|
|
High compressibility |
H |
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