What shall be the radius of an exit taxiway with design exit speed of 90 kmph and coefficient of friction 0.13?

This question was previously asked in
ESE Civil 2015 Paper 2: Official Paper
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  1. 550 m
  2. 500 m
  3. 475 m
  4. 449 m

Answer (Detailed Solution Below)

Option 2 : 500 m
Free
ST 1: UPSC ESE (IES) Civil - Building Materials
20 Qs. 40 Marks 24 Mins

Detailed Solution

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Concept:

The radius of exit taxiway is given by,

Where,

V = Design exit speed

f = Coefficient of friction

Calculation:

⇒ R = 498.46 ≈ 500 m

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