The design speed of a highway is 70 km/h. There is a horizontal curve of radius 160 m on a certain locality. The safe limit of transverse coefficient of friction is 0.15. (i) If the maximum super-elevation of 0.07 is not to be exceeded, the maximum allowable speed on this curve will be (a) 70 km/h (b) 67 km/h (c) 64 km/h (d) 55 km/h (ii) For the pressure on inner and outer wheels to be equal, the equilibrium super-elevation rate can be given by (a) 1 in 10 (c) 1 in 5 (b) 1 in 6 (d) 1 in 4
The design speed of a highway is 70 km/h. There is a horizontal curve of radius 160 m on a certain locality. The safe limit of transverse coefficient of friction is 0.15. (i) If the maximum super-elevation of 0.07 is not to be exceeded, the maximum allowable speed on this curve will be (a) 70 km/h (b) 67 km/h (c) 64 km/h (d) 55 km/h (ii) For the pressure on inner and outer wheels to be equal, the equilibrium super-elevation rate can be given by (a) 1 in 10 (c) 1 in 5 (b) 1 in 6 (d) 1 in 4
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![The design speed of a highway is 70 km/h. There is a
horizontal curve of radius 160 m on a certain locality.
The safe limit of transverse coefficient of friction is
0.15.
(i) If the maximum super-elevation of 0.07 is not to
be exceeded, the maximum allowable speed on this
curve will be
(a) 70 km/h
(b) 67 km/h
(c) 64 km/h
(d) 55 km/h
(ii) For the pressure on inner and outer wheels to be
equal, the equilibrium super-elevation rate can be
given by
(a) 1 in 10
(c) 1 in 5
(b) 1 in 6
(d) 1 in 4](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7c3c97e3-7714-470d-af8b-fa747470f1d9%2F9a97dfdd-6ceb-451f-aa00-0a62772c8b10%2Fq13lpf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The design speed of a highway is 70 km/h. There is a
horizontal curve of radius 160 m on a certain locality.
The safe limit of transverse coefficient of friction is
0.15.
(i) If the maximum super-elevation of 0.07 is not to
be exceeded, the maximum allowable speed on this
curve will be
(a) 70 km/h
(b) 67 km/h
(c) 64 km/h
(d) 55 km/h
(ii) For the pressure on inner and outer wheels to be
equal, the equilibrium super-elevation rate can be
given by
(a) 1 in 10
(c) 1 in 5
(b) 1 in 6
(d) 1 in 4
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