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Posts: 99
Registered: ‎01-16-2008
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spiral input

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01-17-2011 11:53 AM

if i already have the variables for an alignment that has spirals in it and have the northing easting and stations of all the data

 

for example see below.....how could i input all this into the alignment by layout command? or what would be the best way to draw this known data in Civil 3D?

 

SP13015 N  7465677.983 E  2645471.601 Z -99999.990  STA   1+000.000
 Distance       31.322 m   Azimuth  37°56'18.9"   
SP13016 N  7465702.686 E  2645490.858 Z -99999.990  STA   1+031.322
 Distance        0.000 m   Azimuth  37°57'54.1"   
SPIRAL SPR1029
TS  N  7465702.686 E  2645490.858 STA   1+031.322
 SI N  7465715.832 E  2645501.107
SC  N  7465722.653 E  2645505.896 STA   1+056.322
 Long  Tangent    16.669 m
 Short Tangent    8.335 m
 Long  Chord      24.997 m
 Direction Back   37°56'18.9"
 Direction Ahead  35°04'25.6"
 Spiral Length    25.000 m
 Spiral Angle     2°51'53.2"
 Offset 0.000 m
 Degree at Start  0°00'00.0"
 Degree at End    6°59'07.8"  R2  250.000 m
 Xs               24.994
 Ys               -0.417
 p                0.104
 k                12.499
 k'               0.104
 Distance        0.000 m   Azimuth  218°05'58.8"  
CURVE CUR1021
 PC N  7465722.653 E  2645505.896 STA   1+056.322
 CC N  7465866.311 E  2645301.293
 PI N  7465749.087 E  2645524.456 STA   1+088.621
  TAN 32.299 m
  DB  35°04'25.6"
  DA  20°21'01.8"
  LChord Distance       64.066 m   Azimuth  27°42'43.7"   
  External Distance 2.078 m
  Middle Ordinate 2.061 m
  Radius 250.000 m
  DEG   6°59'07.8"
  DELTA -14°43'23.8"
  LENGTH 64.242 m
 PT N  7465779.371 E  2645535.689 STA   1+120.564
CURVE CUR1021
 Distance        0.000 m   Azimuth  200°20'38.8"  
SPIRAL SPR1030
CS  N  7465779.371 E  2645535.689 STA   1+120.564
 SI N  7465798.933 E  2645542.945
ST  N  7465839.534 E  2645552.459 STA   1+183.064
 Long  Tangent    20.864 m
 Short Tangent    41.701 m
 Long  Chord      62.457 m
 Direction Back   20°21'01.8"
 Direction Ahead  13°11'18.7"
 Spiral Length    62.500 m
 Spiral Angle     7°09'43.1"
 Offset 0.000 m
 Degree at Start  6°59'07.8"  R1  250.000 m
 Degree at End    0°00'00.0"
 Xs               62.402
 Ys               -2.601
 p                0.651
 k                31.234
 k'               0.651
 Distance        0.000 m   Azimuth  359°11'49.0"  

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