GATE Civil Engineering (CE) 2019 Shift 2 Solved Paper

Question : 36 of 65

Marks: +1, -0

A broad gauge railway line passes through a horizontal curved section (radius

=875 {m}

) of length

200 {m}

. The allowable speed on this portion is

100 {km} \/ {h}

. For calculating the cant, consider the gauge as centre-to-centre distance between the rail heads, equal to

1750 {mm}

, The maximum permissible cant (in

{mm}

, round off to 1 decimal place) with respect to the centre to centre distance between the rail heads is _________.

Solution:

Given data:

{R}=875 {mm}

Allowable speed

=100 {kmph}

Gauge length

{G}=1750 {mm}

Allowable cant

=\;{G V_{\all}^{2}}/{127 R}

=\;{1750 × 100^{2}}/{127 × 875}=157.6 {mm}

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