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Civil Engineering - Airport Engineering - Discussion

Discussion Forum : Airport Engineering - Section 1 (Q.No. 19)
Airport Engineering
19.
Pick up the correct statement from the following:
The distance between the points of intersection of the extreme tangents to the transition curve is kept greater than 7500 m x sum of grade changes at the point of intersection
The rate of change of grade is limited to 0.3% per 30 m length of the curve
According to I.C.A.O. the maximum longitudinal gradient along a runway is limited to 1.5%
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
Abdullah Kakar said:   2 years ago
Depends on the Type of airport.
ABC type its longitudnal gradient is 0.10 per 30m.
DE type 0.4% per 30m.
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