Page 110 - Pipelines and Risers

Soil and Pipe Interaction 83

z= seabed penetration (m), e.g. calculated according to one of the methods in Section
5.2
su = undrained shear strength (kPa)

Lateral breakout force

Figure 5.5 Horizontal force vs. lateral displacement

5.4 References
1. Brennodden, H. (1991), “Troll phase I - Verification of expansion curve analysis and
consolidation effects”, SINTEF Geotechnical engineering
2. Haand, G. (1997), “Penetration of large diameter pipelines”, Statoil report: 973974268.
3. Verley, R. and Lund, K.M., (1995) “A Soil Resistance Model for Pipelines Placed on Clay
Soils”, Proceedings of OMAE’95.