Civil Engineering :: Highway Engineering
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If the designed speed on a circular curve of radius 1400 m is 80 km/hour, no superelevation is provided, if the camber, is
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Width of a rotary round should be equal to
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To prevent movement of moisture from subgrade to road pavement on embankments about 0.6 m to 1 m higher than water table, the thickness of cut off layer of coarse sand used, is
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The statement, regarding the size of stones used at the wearing surface. "The size of a stone used on a road must be in due proportion to the space occupied by a wheel of ordinary dimensions on a smooth level surface. The point of contact will be found to be longitudinal about 2.5 cm and every piece of stone put into the road which exceeds 2.5 cm in any of its dimension is mischievious" was made by
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If L metres is the distance between extreme axles of a vehicle, its gross load should not exceed
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For a 6.6 m wide two lane pavement, berms are provided on either side having a width of
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For the design of cement concrete pavement for corner loading, Indian Road Congress recommends the use of
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1.R.T.D.A. (Indian Roads and Transport Development Association) was set up at Bombay in
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The total value of extra widening required at a horizontal curve on a two lane hill road of radius 42 m for a design speed of 50 kmph and for vehicles with wheel base 6 m, is
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Depth of reinforcement below the surface of a concrete pavement, is generally kept
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