1. Abghari, A. and Chai, J. (1995) Modeling of soil?pile superstructure interaction for bridge foundations, Performance of Deep Foundations under Seismic Loading. ASCE Geotechnical Special Publication No. 51, pp. 45?59.
2. API (1993) Recommended Practice for Planning, Designing, and Constructing Fixed Offshore Platforms, American Petroleum Institute.