Table 7 Checking of the maximum displacement of gas pipeline
From: Stress analysis of parallel oil and gas steel pipelines in inclined tunnels
Loading conditions | Maximum axial displacement | Maximum vertical linear displacement | Maximum angular displacement | |||
|---|---|---|---|---|---|---|
Absolute value (mm) | Location | Absolute value (mm) | Location | Absolute value (°) | Location | |
Operating case of gas pipeline | 3.2 | Bend 1 | 12.8 | Bend 2 | 0.11 | Bend 1 |
Sustained case of gas pipeline | 0 | – | 0 | – | 0 | – |
Expansion case of gas pipeline | 3.2 | Bend 1 | 12.8 | Bend 2 | 0.11 | Bend 1 |
Pigging case of gas pipeline | 3.2 | Bend 1 | 12.8 | Bend 2 | 0.11 | Bend 1 |
Pressure test case of gas pipeline | 2.21 | Anchor block 1 | 3.46 | Bend 2 | 0.03 | Bend 2 |