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Rate of change of Longitudinal gradient ( 30 m vertical curve ) for D and E type Airport
  • a)
    0.8 %
  • b)
    1.0 %
  • c)
    1.2 %
  • d)
    1.4 %
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Rate of change of Longitudinal gradient ( 30 m vertical curve ) for D ...

Calculation of Rate of Change of Longitudinal Gradient:

To calculate the rate of change of longitudinal gradient for a 30m vertical curve at a D and E type airport, we can use the formula:

Rate of Change of Gradient = (Change in Gradient / Length of Vertical Curve) x 100

Determination of Change in Gradient:
- The change in gradient for a 30m vertical curve is the difference between the initial and final gradients.
- For D and E type airports, the change in gradient is typically around 1.2%.

Calculation:
- Length of Vertical Curve = 30m
- Change in Gradient = 1.2%
- Rate of Change of Gradient = (1.2 / 30) x 100 = 1.2%

Therefore, the correct rate of change of longitudinal gradient for a 30m vertical curve at a D and E type airport is 1.2%.
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Rate of change of Longitudinal gradient ( 30 m vertical curve ) for D and E type Airporta)0.8 %b)1.0 %c)1.2 %d)1.4 %Correct answer is option 'C'. Can you explain this answer?
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