Civil Engineering :: Highway Engineering
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Reinforcement in cement concrete slab of road pavements, is placed
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If d is the thickness of a concrete pavement, the equivalent radius b of resisting section for an interior loading, is
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According to IRC : 52-1973, for a single lane National Highway in hilly region,
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If x% is the gradient of an alignment and y% is the gradient after proper superelevation along a curved portion of a highway, the differential grade along the curve, is
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In an ideal transition curve, the radius of curvature
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On concrete roads, the camber generally provided, is
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While calculating the sight distances, the driver's eye above road surface, is assumed
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If the number of lanes on the carriageway of a road is more than two, the total width of lane ways is equal to 3.0 m
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Minimum thickness of a layer of fine sand required to cut off capillary rise of water completely, should be
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If W is the weight of a vehicle negotiating an upgrade 1 : S along a track having co-efficient of resistance μ, the tractive force T is given by
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