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String Length Offset Calculator

Author: hirExecutions: 5196
TOP/Shared Formulas (Engineering)/Civil & Mechanical

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Chord Length Offset Calculation (Used in Civil Engineering)
Useful when installing side ditches or curbs along road curves.
The curve radius is the centerline radius (R) plus the road width. (The inner side of the curve is the centerline radius (R) minus the road width.)
Please measure the distance between the stakeout points along the string line.
R: Curve Radius
m
C: String length (distance between the D strings)
m
X: Distance from the center line
m
Y: Distance from the waterline m
Measure the distance to the point you want to mark from the nearest stake along the string line, and enter it in X.
The result will be the distance from the string line (Y).

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