If E is the modulus of elasticity of the concrete in kg/cm2, d is the slab thickness in cm, is the Poisson's ratio for the concrete, k is the sub-grade modulus kg/cm3, the radius r of relative stiffness in cm,
Options
A.
B.
C.
D.
Correct Answer
Highway Engineering problems
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1. Before providing super-elevation on roads, the portion of the carriageway between the crown and the outer edge is made
Options
A. to have a reduced fall
B. horizontal
C. to have slope of the camber on the other half of the carriageway
Correct Answer: increased, strength of concrete is not affected
6. For calculating the tractive force along an upgrade of an asphalt road, the most probable value of the co-efficient of traction resistance ? is assumed
7. The width of pavement in addition to a gravelled berm 1 m on either side for a two directional traffic recommended by Nagpur Conference of Chief Engineers, is