Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 7 (Q.No. 31)
31.
If + 0.8% grade meets - 0.7% grade and the rate of change of grade for 30 m distance is 0.05, the length of the vertical curve will be
600 m
700 m
800 m
900 m
1000 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
8 comments Page 1 of 1.

Umar habib said:   1 year ago
= (0.8-(-0.7)) = 1.5,
then,1.5 * 30 = 45
then, 45/0.05= 900.

The length of the vertical curve = 900.
(2)

Yugram said:   1 year ago
(0.5+0.5) * 30/0.05 = 900.

Saggy said:   5 years ago
Thanks @Ishwar.

Ishwar said:   6 years ago
=(0.8-(-0.7))=1.5
then,1.5 * 30=45
then, 45/0.05=900.
the length of the vertical curve =900.
(2)

Haroon Rasheed said:   7 years ago
(g1-g2)÷ g per meter length,
[0.8-(-0.7)]÷(0.05/30)= 900 m.
(2)

Harsha said:   7 years ago
Please Explain it.

Birudev said:   7 years ago
Explain it.

Sameer kashmiri said:   1 decade ago
L = (g1-g2)/r.

= {(0.8)-(-0.7)}/0.05.

= 30* 30 = 900.

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