Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 2 (Q.No. 1)
1.
An ideal transition curve is
Answer: Option
Explanation:
IRC recommends Spiral or clothoid as the ideal transition curve due to following reasons:
1. It satisfies that rate of change of centrifugal acceleration is constant i.e., Ls.R = constant. Where Ls = length of transition curve R = radius of curve.
2. The calculation and field implementation of spiral curve is simple and easy.
3. It enhances aesthetics also.
Discussion:
21 comments Page 2 of 3.
Nayan ahir said:
8 years ago
Ideal shape of transition curve=clothoid spiral or true spiral.
And curve recommend by IRC is cubic spiral.
And curve recommend by IRC is cubic spiral.
Avinash said:
8 years ago
The correct answer is cubic spiral and clothoid.
Manojkumar said:
7 years ago
Cubic parabola is the correct answer.
Yogesh Rajput said:
7 years ago
The correct answer is clothoid spiral. I agree.
Bidyut said:
6 years ago
What is clothoid spiral?
JEET said:
6 years ago
A. Cubic parabola - Railway.
B. Cubic spiral - Road.
C. Clothoid spiral - Ideal.
B. Cubic spiral - Road.
C. Clothoid spiral - Ideal.
(1)
Nagendra Yadav said:
5 years ago
Curves fulfilling equation of an ideal transition curve are known as "Clothoids or true spirals".
Assumi said:
5 years ago
For Highway - Lemniscate is best.
For Railway - Cubic parabola and cubic spiral is recommended.
For Railway - Cubic parabola and cubic spiral is recommended.
(1)
Pankaj kumar said:
4 years ago
Radius and centrifugal acceleration are change gradually and setting out of curve easy, jerk problem can be prevented in spiral/clothoid transition curve.
Fakhar naveed said:
3 years ago
Clothoid and True Spiral Are same, right?
(1)
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