MIL-HDBK-1005/6
Page
3.10.2
Radii......................................
32
3.10.3
Gage Reduction.............................
32
3.10.4
Alignment Closure..........................
32
3.11
Switch Curve (Outside).....................
32
3.11.1
Location...................................
32
3.11.2
Convergence................................
32
3.11.3
Lead.......................................
32
3.12
Main Circular Curve (Outside)..............
32
3.12.1
Central Angle..............................
32
3.12.2
Radius.....................................
32
3.12.3
Gage Reduction.............................
32
3.13
Design Procedure...........................
33
3.14
Sample Curve Computation...................
33
3.15
Tabulation of Sample Curve Computation.....
33
3.16
Drydock Head-End...........................
33
3.17
Vertical Alignment.........................
33
3.17.1
Example of Vertical Alignment..............
34
3.17.2
Application................................
35
3.17.3
Suspension.................................
35
3.17.4
Vertical Position..........................
35
3.17.5
Balance....................................
35
3.18
Symbols and Nomenclature...................
36
4.1
Guidance...................................
60
4.2
Survey Requirements........................
60
a) Transit and Distance Measurement Tolerance
60
b) Dig-Up Survey Measurement Tolerance....
60
4.3
Foundation Structural Analysis Requirements
60
4.4
Replacement Track Design Requirements......
60
a) Deviations.............................
61
b) Offset Closures........................
61
c) Tangent Closures.......................
61
d) Required Float.........................
61
e) Design Gage............................
61
f) Physical Obstructions..................
61
4.5
Rail Construction Requirements.............
61
REFERENCES...................................................
63
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