Computer · Highway Engineering
If x% is the longitudinal gradient of an alignment and y% is the resultant gradient after proper super-elevation along a curved portion of a highway, the differential grade (grade compensation) required along the curve is given by:
- 1(x + y)%
- 2(x - y)%✓
- 3(y - x)%
- 4(y + x)%
Correct answer
(x - y)%
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