INSTITUTE OF SOIL MECHANICS, FOUNDATION ENGINEERING AND WATERPOWER ENGINEERING Contact Address: LEIBNIZ UNIVERSITY OF HANNOVER Institute of Soil Mechanics, Foundation Engineering and Waterpower Engineering Appelstr. 9A 30167 Hannover Office: Mrs. Hacks Tel.: ++49 511 762 3370 Fax: ++49 511 762 5105 E-Mail: hacks@igbe.uni-hannover.de