1. Brown DA, Turner JP, Castelli RJ (2010) Drilled shafts: construction procedures and LRFD design methods. Department of Transportation, Federal Highway Administration, USA
2. Carter JP, Kulhawy FH (1988) Analysis and design of drilled shaft foundations socketed into rock. Electric Power Research Institute, Palo Alto, CA, Report EL-5918
3. Dykeman P, Valsangkar AJ (1996) Model studies of socketed caissons in soft rock. Can Geotech J 33(5):747–759
4. Eriksson L, Trank R (1991) Properties of expanded polystyrene, laboratory experiments. Swedish Geotechnical Institute, Linkoping
5. Foray P, Balachowski L, Rault G (1998) Scale effects in shaft friction due to the localization of deformations. In: Proceedings of the international conference Centrifuge, vol 98. Rotterdam, Balkema, Tokyo, Japan, pp 211–216