Pipeline Highway And Road Crossings Modules

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CALCULATOR MODULE : API RP 1102 Pipeline Crossing Line Pipe Schedule ±

Calculate API RP 1102 steel pipeline diameter, nominal wall thickness and pressure containment wall thickness.

For API RP 1102, the fabrication tolerance is included in the design factor. The fabrication tolerance is not required provided that the tolerance is within the relevant specification. The pressure containment wall thickness equals the nominal wall thickness minus the corrosion allowance. The pipe diameter can be defined by either the outside diameter or the inside diameter.

Use the Result Table option to display a table of pipe cross section versus wall thickness for the selected diameter.

Reference : API RP 1102 : Steel Pipelines Crossing Railroads and Highways (2012)

Change Module :

API RP 1102 Pipeline Crossing Design Factor Calculation Module
API RP 1102 Pipeline Design Stress And Design Pressure Calculation Module
API RP 1102 Pipeline Fatigue Limit Calculation Module
API RP 1102 Pipeline Highway Crossing Calculation Module
API RP 1102 Pipeline Local Pressure Calculation Module
API RP 1102 Pipeline Mass And Weight Calculation Module
API RP 1102 Pipeline Railroad Crossing Calculation Module
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CALCULATOR MODULE : API RP 1102 Pipeline Highway Crossing ±

Calculate API RP 1102 pipeline highway crossings.

API 1102 is suitable for cased and uncased steel pipeline road and highway crossings.

Standard loads for single and tandem axle vehicles are included. The standard soil weight is 18.9 kN/m^3. Soil weight and wheel loads can also be user defined. The design factors are calculated from the figures. For input values outside the range in the figures the values are extrapolated (select either constant value or constant slope option). Extrapolated values should be used carefully.

Note : The calculations are based on the SI data values. User input values can be either US units or SI units. Change units on the setup page (click the Setup link on the calc bar). Units can be mixed, and do not need to be consistent.

Reference : API RP 1102 : Steel Pipelines Crossing Railroads and Highways (2012)

Change Module :

API RP 1102 Pipeline Crossing Design Factor Calculation Module
API RP 1102 Pipeline Crossing Line Pipe Schedule Calculation Module
API RP 1102 Pipeline Design Stress And Design Pressure Calculation Module
API RP 1102 Pipeline Fatigue Limit Calculation Module
API RP 1102 Pipeline Local Pressure Calculation Module
API RP 1102 Pipeline Mass And Weight Calculation Module
API RP 1102 Pipeline Railroad Crossing Calculation Module
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CALCULATOR MODULE : AS 2885.1 Pipeline Road And Rail Crossing ±

Calculate AS 2885.1 pipeline road and rail crossing stress checks.

The methodology is taken from API RP 1102. A design factor of 0.72 should be used for highway and railroad crossings. A factor of 0.9 can be used in other cases. The hoop stress check is not required.

Reference : Australian Standard AS 2885.1 : Pipelines - Gas And Liquid Petroleum Part 1 : Design And Construction (2015)

Change Module :

AS 2885.1 Gas And Liquid Pipeline Schedule Calculation Module
AS 2885.1 Pipeline Allowable Stress Calculation Module
AS 2885.1 Pipeline Bend Thickness Calculation Module
AS 2885.1 Pipeline Bolt Torque Calculation Module
AS 2885.1 Pipeline Branch Reinforcement Calculation Module
AS 2885.1 Pipeline Cold Bend Buckle Calculation Module
AS 2885.1 Pipeline Collapse Pressure Calculation Module
AS 2885.1 Pipeline Combined Stress Calculation Module
AS 2885.1 Pipeline Design Pressure Calculation Module
AS 2885.1 Pipeline Fatigue Stress Calculation Module
AS 2885.1 Pipeline Fluid Velocity And Flow Rate Calculation Module
AS 2885.1 Pipeline Fluid Volume And Mass Calculation Module
AS 2885.1 Pipeline Fracture Toughness Calculation Module
AS 2885.1 Pipeline Hoop Stress Calculation Module
AS 2885.1 Pipeline Hydrotest Pressure Calculation Module
AS 2885.1 Pipeline Local Pressure Calculation Module
AS 2885.1 Pipeline Mass And Weight Calculation Module
AS 2885.1 Pipeline Maximum Velocity Calculation Module
AS 2885.1 Pipeline Wall Thickness Calculation Module
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