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Hazen proposed which of the following equations to determine whether a soil sample Is uniformly graded or well graded? (Here Cu = Uniformity Coefficient. and D = Diameter of the soil particle)
(Symbols and notations carry their usual meaning)
  • a)
    Cu = D80 / D10
  • b)
    Cu = D60 / D10
  • c)
    Cu = D10 / D60
  • d)
    Cu = D10 / D80
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Hazen proposed which of the following equations to determine whether a...
Concept:
Coefficient of Uniformity / Uniformity Coefficient:
It is defined as the ratio of D60 and D10 sieve sizes in the sieve analysis of granular material.
Higher is the value of Cu larger is the range of the particle size.

For uniformly graded soil, Cu = 1
For well graded sand, Cu > 6
For well graded gravel Cu > 4
Coefficient of Curvature / Curvature Coefficient:

For well graded soil, 1 < Cc < 3
For gap graded soil, 1 < Cc or Cc > 3
where
D60 = size at 60% finer by weight
D30 = size at 30% finer by weight
D10 = size at 10% finer by weight = Effective size
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Hazen proposed which of the following equations to determine whether a soil sample Is uniformly graded or well graded? (Here Cu = Uniformity Coefficient. and D = Diameter of the soil particle)(Symbols and notations carry their usual meaning)a)Cu = D80 / D10b)Cu = D60 / D10c)Cu = D10 / D60d)Cu = D10 / D80Correct answer is option 'B'. Can you explain this answer?
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Hazen proposed which of the following equations to determine whether a soil sample Is uniformly graded or well graded? (Here Cu = Uniformity Coefficient. and D = Diameter of the soil particle)(Symbols and notations carry their usual meaning)a)Cu = D80 / D10b)Cu = D60 / D10c)Cu = D10 / D60d)Cu = D10 / D80Correct answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Hazen proposed which of the following equations to determine whether a soil sample Is uniformly graded or well graded? (Here Cu = Uniformity Coefficient. and D = Diameter of the soil particle)(Symbols and notations carry their usual meaning)a)Cu = D80 / D10b)Cu = D60 / D10c)Cu = D10 / D60d)Cu = D10 / D80Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Hazen proposed which of the following equations to determine whether a soil sample Is uniformly graded or well graded? (Here Cu = Uniformity Coefficient. and D = Diameter of the soil particle)(Symbols and notations carry their usual meaning)a)Cu = D80 / D10b)Cu = D60 / D10c)Cu = D10 / D60d)Cu = D10 / D80Correct answer is option 'B'. Can you explain this answer?.
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