文档介绍：5800万能程序，平曲线+竖曲线+隧道超欠挖(积木法)
main program (TYQXJS)
Lbl 4: 〃1SZ = > XY, 2XY > SZ"? N:? S:Prog "SUBO”
P, C: (P-R), (2HPRse
1, regulations
distinguish the left and right sides of the direction of the middle line of the road (that is, the direction of increasing mileage); when the line element is left,
Q=-l: when the line element to the right side, Q=1: when the line element is linear, Q=0.
when the point is located in the center of the Z=0, located in the midline: when left cut, Z negative: when the midline midline right
When the side is right, the Z takes positive value.
when the line element is a straight line, the radius of curvature of its starting point and stopping point is infinite,
Take 10 of the 45 instead.
when the line element is a circle curve, its radius of curvature is equal to its circle regardless of its starting point and stop point
Radius of arc.
when the line element is a complete transition curve, the radius of curvature is infinite when the starting point is connected to the straight line, with 10 of the 45
The radius of curvature is equal to the radius of a circle curve when it is joined to a circle curve. When the stop point is connected to the straight line, the curvature is half Jia
The radius is infinite, and the 45 is replaced by 10: the radius of curvature is equal to the radius of the circle curve when it is joined to the circle curve.
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