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© Leica TPS-System 1000 Programs-2.3.1en 251
IV
EL
AH
OH
BS
SM
AS
FS
BL
HB
KM
FB
SA
PZ
LB
TB
CO
RP
2. Permitted elements in V-alignments
• Straight defined by chainage and height of
starting point
• Curve defined by chainage and height of
starting point
radius of arc (- = crest; + = dip)
• Parabola defined by chainage and height of
starting point
parameters of parabola
2
(- = crest; + = dip)
• End of project (EOP) chainage and height of end-
point of gradient
3. Permitted elements in cross sections
• Chainage
• Offset
• Height difference relative to axis
2
2p x (H - H
0
) = (S - S
0
)²
S
0
, H
0
station and height of vertex