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van Impe, W.F. (2001) About the effectiveness of stone columns. In Proceedings of
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Weiss, K. (1978) 50 Jahre Deutsche Forschungsgesellschaft für Bodenmechanik
(Degebo) 1928–1978. In Mitteilungen der Deutschen Forschungsgesellschaft
für Bodenmechanik an der Technischen Universität Berlin, Heft 33, Berlin,
Germany.
University Karlsruhe. (2006) CPT calibration testing on calcareous sands.
Commissioned by Keller Grundbau. Unpublished.
van Impe, W.F. (2001) About the effectiveness of stone columns. In Proceedings of
the 15th. ICSMGE, vol. 4, Istanbul, Turkey.
van Impe, W.F. and Debeer, E. (1983) Improvement of settlement behaviour of soft
layers by means of stone columns. In Proceedings of the 8th ECSMFE, vol. 1,
Helsinki, Finland.
van Impe, W.F. and Madhav, M.R. (1992) Analysis and settlement of dilating
stone column reinforced soil. Österreichische Ingenieur- und ArchitektenZeitschrift (ÖIAZ), 137(3).
van Impe, W.F. et al. (1994) Recent experiences and developments of the resonant
vibrocompaction technique. In XIII ICSMFE, New Delhi, India.
Varaksin, S. (1990) Neuere Entwicklungen von Bodenverbesserungsverfahren und
ihre Anwendung. In 5.Chr. Veder Kolloquium, TU Graz, Styria, Austria.
Vesic, A.S. (1965) Ultimate loads and settlements of deep foundations in sand.
In Proceedings of the Symposium on Bearing Capacity and Settlement of
Foundations in Sand, Duke University, Durham, NC.
Vesic, A.S. (1972) Expansion of cavities in infinite soil mass. JSMFD. ASCE, 98.
Vrettos, C. (2009) Erschütterungsschutz. In Witt, K.J. (ed), GrundbauTaschenbuch, Teil 3, 7. Aufl., Ernst & Sohn, Berlin, Germany.
Vrettos, C. and Savidis, S. (2004) Seismic design of the foundation of an
immersed tube tunnel in liquefiable soil. Rivista Italiana di Geotechnica,
38(4), 41–50.
Vucetic, M. (1994) Cyclic threshold shear strains in soils. Journal of Geotechnical
Engineering, 120(12), 2208–2228.
Watts, K.S. et al. (2000) An instrumented trial of vibro ground treatment supporting strip foundations in variable fill. Geotechnique, 50(6), 699–708.
Weber, T.M. (2007) Modellierung der Baugrundverbesserung mit Schottersäulen.
Dissertationen der ETH Zürich, Nr. 17321, Zürich, Switzerland.
Wehr, W. (1999) Schottersäulen—das Verhalten von einzelnen Säulen und
Säulengruppen, Geotechnik, 22.
Wehr, W. (2005a) Influence of the carbonate content of sand on vibro compaction. In 6th International Conference on Ground Improvement Techniques,
Coimbra, Portugal.
Wehr, W. (2005b) Variation der Frequenz von Tiefenrüttlern zur Optimierung
der Rütteldruckverdichtung. In 1. Hans Lorenz Symposium, Heft 38,
Grundbauinstitut der TU Berlin, Berlin, Germany.
Wehr, W. (2007) Rütteldruckverdichtung von karbonathaltigen Sanden.
Geotechnik-Kolloquium Freiberg, Deutschland.
Wehr, J. and Sondermann, W. (2013) Deep vibro techniques. In Kirsch, K. and
Bell, A. (eds.) Ground Improvement. CRC Press, Taylor & Francis Group,
Boca Raton, FL.
Wehr, W. et al. (2008) Stone columns in very soft clays in Sweden. In 11th Baltic
Sea Geotechnical Conference “Geotechnics in Maritime Engineering,”
Gdansk, Poland.
Weiss, K. (1978) 50 Jahre Deutsche Forschungsgesellschaft für Bodenmechanik
(Degebo) 1928–1978. In Mitteilungen der Deutschen Forschungsgesellschaft
für Bodenmechanik an der Technischen Universität Berlin, Heft 33, Berlin,
Germany.