GATE & PSUs - Civil Engineering (CE)

Pavement Design (Flexible CBR Method & Rigid Westergaard Analysis) question bank (Transportation Engineering)

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Q1.
[Pavement Design (Flexible CBR Method & Rigid Westergaard Analysis) Concept 2] What is the equilibrium superelevation $e$ required on a horizontal highway curve of radius $R = 250\text{ m}$ for a design speed of $V = 80\text{ km/h}$ so that no lateral friction is mobilized?

(A)
$e = 0.202$ ($20.2\%$)
(B)
$e = 0.070$ ($7.0\%$)
(C)
$e = 0.125$ ($12.5\%$)
(D)
$e = 0.045$ ($4.5\%$)
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Q2.
[Pavement Design (Flexible CBR Method & Rigid Westergaard Analysis) Concept 6] What is the equilibrium superelevation $e$ required on a horizontal highway curve of radius $R = 250\text{ m}$ for a design speed of $V = 80\text{ km/h}$ so that no lateral friction is mobilized?

(A)
$e = 0.202$ ($20.2\%$)
(B)
$e = 0.070$ ($7.0\%$)
(C)
$e = 0.125$ ($12.5\%$)
(D)
$e = 0.045$ ($4.5\%$)
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