Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 4 (Q.No. 15)
15.
If L is in kilometres, the curvature correction is
58.2 L2 mm
64.8 L2 mm
74.8 L2 mm
78.4 L2 mm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Girish said:   6 years ago
Correction for curvature, CC = 0.07849 L^2.
Where L is in meters. and CC in meter.
CC = 0.07849*L^2*10^3 mm.
= 78.49*L^2 mm.
(2)

Bharathi said:   6 years ago
Please explain clearly.

Sameer kashmiri said:   9 years ago
For curvature =L^2/2R = 0.07858L^2.

For Refraction =1/7 * L^2/2R.
(1)

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