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D. Adam, M. Szabo, I. Paulmichl:
"Innovative Compaction Technologies for Rehabilitation of Flood Protection Dikes";
Talk: XIVth Danube-European Conference on Geotechnical Engineering, Bratislava, Slovakia (invited); 2010-06-02 - 2010-06-04; in: "Proceedings of the XIVth Danube-European Conference on Geotechnical Engineering", Slovak Uiversity of Technology, Bratislava (2010), ISBN: 978-80-227-3279-6; 166.

The innovative dynamic compaction technologies like variocontrol rollers with
polygonal drum and the Rapid Impact Compactor (RIC) enable an optimization of earth
works. The polygonal drum is an advancement of conventional smooth round or padfoot
drum and offers considerable advantages for the near surface compaction. The drum
consists of octagonal elements which are in an axially staggered arrangement to each other.
During the compaction the structured drum shape provides a constantly-changing direction of
forces and results into a kneading effect of soil. This action leads to a deeper and
homogenous compaction effect. The Rapid Impact Compactor is a dynamic compaction
machine based on the technology of the pile-driving hammer. By using this technique the
ground or respectively the fill materials are compacted and improved by a high frequency of
controlled impacts of a falling weight from a defined height onto a plate. For efficient energy
transfer into the deeper ground the plate remains in contact with the ground during the
compaction process. The successful application of both innovative compaction technologies
for remediation of existing flood protection dikes is presented in this paper

Compaction Technologies; Flood protection dikes;

http://publik.tuwien.ac.at/files/PubDat_186216.pdf