FREQUENCY- AND PRESSURE- DEPENDENT DYNAMIC SOIL PROPERTIES FOR SEISMIC ANALYSIS OF DEEP SITES by Dominic Assimaki Diploma of Civil Engineering (1998) National Technical University of Athens. Submitted to the Department of Civil and Environmental Engineering in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE IN CIVIL AND ENVIRONMENTAL ENGINEERING at the MASSACHUSETTS INSTITUTE OF TECHNOLOGY 19% MASSACHUSETTS INSTITUTE OF TECHNOLOGY February 2000 © Massachusetts Institute of Technology, 1999 FE R IRARIES Signature of Author............................................ DepartmenTofEilnd Environmental Engineering 7 November 3,1999 Certified by................................. Eduardo Kausel, Professor of Civil and Environmetal Engineering -77Thesis Supervisor A ccepted by......................... .. . ........................................................................ Daniele Veneziano, Professor of Civil and Environmetal Engineering Chairman, Departmental Committee on Graduate Students