GB 50423-2013 Code for design of oil and gas transportation pipeline crossing engineering
1 General provisions
2 Terms
3 Basic requirements
3.1 Basic data
3.2 Pipeline materials and calculations
3.3 Water areas crossing
3.4 Valley and gully crossing
4 Pipeline crossing by open-cut excavating
4.1 Laying requirements
4.2 Stabilization of underwater pipe sections
4.3 Action and combination
4.4 Pipe section calculation
4.5 Protective engineering design
5 Pipeline crossing by horizontal directional drilling
5.1 Laying requirements
5.2 Pipe section calculation
6 Pipeline crossing in tunnel
6.1 General requirements
6.2 Action
6.3 Action combinations and action calculations
6.4 Lining design of tunnel by digging
6.5 Design of tunnel by shield digging
6.6 Design of tunnel by pipe jacking
6.7 Shaft
6.8 Inclined shaft
6.9 Materials
6.10 Waterproof and drainage
6.11 Tunnel ancillary facilities
6.12 Pipeline installation in tunnel
7 Highway and railway crossing
7.1 General requirements
7.2 Uncased crossings
7.3 Cased crossings
8 Welding, pressure test and anticorrosion
8.1 Welding and inspection
8.2 Pigging, gauging and pressure test
8.3 Anticorrosion
Annex A Calculation for the eccentric pressure on the tunnel lining
Annex B Calculation of shallowly-buried tunnel lining
Annex C Calculation of actions on tunnels by shield digging and tunnels by pipe jacking
Annex D Calculation of the segment internal force for the tunnels by shield digging
Annex E Structural calculation for tunnels by pipe jacking
Annex F Calculation of pipeline stress caused by earth pressure in uncased highway crossings
Annex G Calculation of cyclic stress on the pipeline caused by vehicle loads in uncased highway crossings
Explanation of wording in this code
List of quoted standards
