VERTICAL CURVES IN ANY VERTICAL CURVE: I c„ AL E 8 y= (D)2 —i— 2 1 1 ' (1/2 L) y»D2 A- 2L Л WHERE: G. G = TANGENT GRADES. IN % E ■ ORDINATE FROM P.I. TO CURVE, IN FEET. A = Gv G2. THE ALGEBRAIC DIFFERENCE IN GRADE L ■ LENGTH OF CURVE, IN STATIONS Y = ORDINATE FROM TANGE... / сисьге :: матан

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VERTICAL CURVES
IN ANY VERTICAL CURVE: I
c„ AL
E 8
y= (D)2 —i— 2 1 1 ' (1/2 L)
y»D2 A-
2L Л

WHERE:

G. G = TANGENT GRADES. IN %

E ■ ORDINATE FROM P.I. TO CURVE, IN FEET.

A = Gv G2. THE ALGEBRAIC DIFFERENCE IN GRADE

L ■ LENGTH OF CURVE, IN STATIONS

Y = ORDINATE FROM

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