![сисьге,матан 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](http://img1.joyreactor.cc/pics/post/%D1%81%D0%B8%D1%81%D1%8C%D0%B3%D0%B5-%D0%BC%D0%B0%D1%82%D0%B0%D0%BD-42055.jpeg)
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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 TANGENT TO CURVE. IN FEET D * DISTANCE FROM NEAREST P.C. OR P.T. TO ANY POINT ON CURVE Civil Engineering Reference Wallpaper
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