GATE Civil Engineering (CE) 2019 Shift 2 Solved Paper

Question : 46 of 65

Marks: +1, -0

A flexible pavement has the following class of loads during a particular hour of the day.
i. 80 buses with 2 -axles (each axle load of

40 {kN}

);
ii. 160 trucks with 2 -axles (front and rear axle loads of

40 {kN}

and

80 {kN}

, respectively)
The equivalent standard axle load repetitions for this vehicle combination as per IRC:37-2012 would be

Solution:

ESAL

=80 ×(\;{40}/{80})^{4}+80 ×(\;{40}/{80})^{4}

+160 ×(\;{40}/{80})^{4}+160 ×(\;{40}/{80})^{4}

=5+5+10+160

=180

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