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Answer Posted / rasmi k.r
bridge design..first we have to make the general layout of
a span of a bridge.then cross beams and longitudinal beams
are placed at suitable spacing and their size is also
assumed.
steps
1.calculate clear span and dead loads like due to slab and
wearing coat
2.calculate bending moments.
3.using pigeadus curve calculate moments
4.load dispersion due to wheel of train is calculated.
class A or class AA is used.now a daya class A IS commonly
used.
5.live load moments calculated.
6.check for shear is also done
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