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For a simple circular curve, which one of the following gives the correct relation between the radius, R and degree of curve D, for 20 m arc length?
  • a)
    R = 5729.6/D
  • b)
    R = 1718.9/D
  • c)
    R = 1145.9/D
  • d)
    R = 572.9/D
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
For a simple circular curve, which one of the following gives the corr...
For 20 m arc R = 1145.9/D
for 30 m arc R = 1718.9/D
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Most Upvoted Answer
For a simple circular curve, which one of the following gives the corr...
Relation between radius and degree of curve for a simple circular curve of 20m arc length:

The degree of curve (D) is defined as the central angle subtended by an arc of a circle having a length of 100 feet (or 20m). The radius (R) of the circular curve can be calculated using the following formula:

R = 5729.6/D

However, since the arc length of the curve is 20m, we need to modify the formula as follows:

R = 5729.6/(D/20)

Simplifying this expression, we get:

R = 1145.9/D

Therefore, the correct option is C, which gives the relation between the radius and degree of curve for a simple circular curve of 20m arc length.
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For a simple circular curve, which one of the following gives the correct relation between the radius, R and degree of curve D, for 20 m arc length?a)R = 5729.6/Db)R = 1718.9/Dc)R = 1145.9/Dd)R = 572.9/DCorrect answer is option 'C'. Can you explain this answer? for Civil Engineering (CE) 2025 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about For a simple circular curve, which one of the following gives the correct relation between the radius, R and degree of curve D, for 20 m arc length?a)R = 5729.6/Db)R = 1718.9/Dc)R = 1145.9/Dd)R = 572.9/DCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a simple circular curve, which one of the following gives the correct relation between the radius, R and degree of curve D, for 20 m arc length?a)R = 5729.6/Db)R = 1718.9/Dc)R = 1145.9/Dd)R = 572.9/DCorrect answer is option 'C'. Can you explain this answer?.
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