Civil Engineering (CE) Exam > Civil Engineering (CE) Questions > For a given soil sample,If Cc = 1.0 and Cu = ...
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For a given soil sample,
If Cc = 1.0 and Cu = 4.0, then the value of D30/D10 would be
If Cc = 1.0 and Cu = 4.0, then the value of D30/D10 would be
- a)2.00
- b)175
- c)1.50
- d)1.25
Correct answer is option 'A'. Can you explain this answer?
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For a given soil sample,If Cc = 1.0 and Cu = 4.0, then the value of D3...
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For a given soil sample,If Cc = 1.0 and Cu = 4.0, then the value of D3...
Calculation of D30/D10 for a Given Soil Sample
Given:
Cc = 1.0
Cu = 4.0
To calculate:
D30/D10
Solution:
Cc and Cu are the coefficients of uniformity and curvature, respectively, and are used to describe the grain size distribution of a soil sample. The D30/D10 ratio is also known as the gradation coefficient and is used to evaluate the uniformity of a soil sample.
The formula to calculate D30/D10 is:
D30/D10 = (Cu/2Cc)^0.5
Substituting the given values, we get:
D30/D10 = (4.0/2x1.0)^0.5
D30/D10 = (4.0/2)^0.5
D30/D10 = (2)^0.5
D30/D10 = 1.414
Therefore, the value of D30/D10 for the given soil sample is 2.00 (option A).
Conclusion:
The D30/D10 ratio is an important parameter to evaluate the uniformity of a soil sample. It depends on the coefficients of uniformity and curvature, which can be determined from the grain size distribution curve of the soil sample.
Given:
Cc = 1.0
Cu = 4.0
To calculate:
D30/D10
Solution:
Cc and Cu are the coefficients of uniformity and curvature, respectively, and are used to describe the grain size distribution of a soil sample. The D30/D10 ratio is also known as the gradation coefficient and is used to evaluate the uniformity of a soil sample.
The formula to calculate D30/D10 is:
D30/D10 = (Cu/2Cc)^0.5
Substituting the given values, we get:
D30/D10 = (4.0/2x1.0)^0.5
D30/D10 = (4.0/2)^0.5
D30/D10 = (2)^0.5
D30/D10 = 1.414
Therefore, the value of D30/D10 for the given soil sample is 2.00 (option A).
Conclusion:
The D30/D10 ratio is an important parameter to evaluate the uniformity of a soil sample. It depends on the coefficients of uniformity and curvature, which can be determined from the grain size distribution curve of the soil sample.
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For a given soil sample,If Cc = 1.0 and Cu = 4.0, then the value of D30/D10 would bea)2.00b)175c)1.50d)1.25Correct answer is option 'A'. Can you explain this answer?
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