API RP 1102 Spreadsheet

API RP 1102 Uncased Road Crossing Assessment Client Project LSD

Pembina Saturn 12-36-57-23 W5M

Pipeline Material

6" LACT Z245.1 Grade 359 Cat II

API RP 1102 ref Input Data Outside diameter Corrosion allowance Wall thickness Corroded wall thickness Internal diameter Operating pressure Steel grade Design factor Longitudinal joint factor Temperature de-rating factor Installation temperature

p SMYS F E T T1

168.3 0 4 4 160.3 9930 359 0.8 1 1 11

mm mm mm mm mm kPa MPa °C

T2

40

°C

Coefficient of thermal expansion Modulus of elasticity Poisson ratio Bored diameter Soil type Modulus of soil reaction Resilient modulus

α Es

°C-1

E' Er

0.0000117 207000 0.3 168.3 A 3.4 34

MPa MPa

Soil unit weight Pavement type Poisson ratio Singel axle load Tandem axle load Wheel load Wheel load

γ

1950

kgfm

ν SAL TAL WLS WLT

0.3 106800 177900 53400 44475

Area load acting

ALA

0.093

N N N N m2

H

1.2

m

Burial depth

Fatigue (cyclic) stress endurance limits

D CA tw Di

ν

mm

-3

Table A-3 Table A-3 Table A-3

Table A-1 Table A-2

Circumferential weld fatigue endurance limit

SFG

82.74

MPa

Table 3

Longitudinal weld fatigue endurance limit

SFL

82.74

MPa

Table 3

SHi

204.058

MPa

ASHi

287.200

MPa

tw/D

Bd/D Ee

0.024 1200 0.007 1.35 1 0.83

SHe

4.413

Fi w

1.5 tandem 0.478

Highway stiffnes factor Highway geometry factor Highway pavement type factor Highway axle configuration

KHh GHh R L

14 1 1.1 1

Cyclic circumferential stress

ΔSHh

11.047

KLh GLh R L

12.5 1.4 1.1 1

Check allowable hoop stress Hoop stress Allowable maximum hoop stress CHECK Circumferential stress due to soil load

Stiffness factor

Circumferential stress

Khe H/Bd Be

Figure 3 Figure 4 Figure 5 MPa

Cyclic stress from wheel loads Impact factor Critical axle configuration Applied design surface pressure

Figure 7 MPa

Cyclic circumferential stress Figure 14 Figure 15 Table 2

MPa

Cyclic longitudinal stress Highway stiffnes factor Highway geometry factor Highway pavement type factor Highway axle configuration

Figure 16 Figure 17 Table 2

Cyclic longitiudinal stress

ΔSLh

13.809

MPa

Maximum circumferential stress

S1

219.518

MPa

Maximum longitudinal stress

S2

6.115

MPa

Maximum radial stress

S3

-9.930

MPa

Total effective stress

Seff

221.861

MPa

Design stress factor Allowable effective stress

Fy

0.9 323.100

MPa

Allowable stress Principal and effective stress

CHECK

OK

Fatigue (cyclic) stresses Circumferential weld SFh ΔSLh CHECK

82.74 11.047

MPa MPa

OK

Longitudinal weld SFl ΔSLh CHECK

82.74 13.809 OK

MPa MPa

Input Calculated From API RP 1102 Tables and Figures

OK WARNING