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API RP 1102: Code Check
HDD Analyser - Plastic Pipes
HDD Analyser - Steel Pipe
Frac-out Analyser (HDD)
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User guide - API RP 1102 Analyser
API RP 1102 Analyser
Steel Pipelines Crossing Railroads and Highways
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API RP 1102 Analyser - Inputs
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SI units
Customary units
Select type of pipeline crossing
Highway Crossing
Railroad Crossing
Pipe and Operational Characteristics
Outside diameter of pipe
D
12.75
Maximum allowable operating pressure
p
Select material grade
Select grade
API 5L Gr. A25
API 5L Gr. A
API 5L Gr. B
API 5L Gr. X42
API 5L Gr. X46
API 5L Gr. X52
API 5L Gr. X56
API 5L Gr. X60
API 5L Gr. X65
API 5L Gr. X70
API 5L Gr. X80
Specified minimum yield strength of steel
SMYS
42000
Type of pipe
SMLS
ERW
SAW
Design factor (barlow stress & fatigue check)
F
0.72
0.60
0.50
0.40
Allowable design factor (equivalent stress check)
F
a
0.72
0.60
0.50
0.40
Longitudinal joint factor
E
--
Installation temperature
N/A
T
1
Max./ min. operating temperature
T
2
Temperature derating factor
T
--
Pipe wall thickness
t
w
Corrosion allowance (for barlow stress only)
CA
Installation and Site Characteristics
Cover depth
H
Bored diameter
B
d
Soil Type
Soft-med. clays & silts (high plasticities)
Soft-med. clays & silts (low plasticities)
Loose sands and gravels
Stiff to very stiff clays and silts
Medium dense sands and gravels
Dense to very dense sands and gravels
Modulus of soil reaction
E
'
Resilient modulus
E
r
Unit Soil Weight
γ
Design wheel load from single axle
P
s
Design wheel load from tandem axles
P
t
Pavement Type
Flexible Pavement
No Pavement
Rigid Pavement
Distance of girth weld from track centerline
L
G
Number of Tracks (1 or 2)
N
t
Single track
Double track
Rail loading
E-80
R
Ld
Other Pipe Steel Properties
Steel modulus of elasticity
E
s
Steel Poisson's Ratio
ν
s
--
Co-efficient of thermal expansion
α
T
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