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A surveyor is setting a circular curve usinde deflection angle method if curve has intersection angle of 32 and length is 400m what wil be subdeflection angle required to stake a point 80 point of curvature?
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A surveyor is setting a circular curve usinde deflection angle method ...
Calculating Subdeflection Angle for Circular Curve

Given data:
- Intersection angle = 32°
- Length of curve = 400m
- Point of curvature = 80

Steps to Calculate Subdeflection Angle:

1. Calculate the Total Deflection Angle:
- Total deflection angle = 2 x Intersection angle
- Total deflection angle = 2 x 32°
- Total deflection angle = 64°

2. Determine the External Distance:
- External distance = (Point of curvature / 2) x (Length of curve / 100)
- External distance = (80 / 2) x (400 / 100)
- External distance = 40m

3. Calculate the Subdeflection Angle:
- Subdeflection angle = Total deflection angle - External angle
- Subdeflection angle = 64° - 40°
- Subdeflection angle = 24°
Therefore, the subdeflection angle required to stake a point 80 point of curvature on a circular curve with an intersection angle of 32° and a length of 400m is 24°. This angle will help the surveyor accurately stake out the curve and ensure the road or track is properly aligned.
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A surveyor is setting a circular curve usinde deflection angle method if curve has intersection angle of 32 and length is 400m what wil be subdeflection angle required to stake a point 80 point of curvature?
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