V • '' ' .'i ^] \(L\. ! / ! ./ c AFRL-MN-EG-TR-2003-7044 //^3 Experiments And ElasticA^iscoplastic Constitutive Modeling Of Concrete And Geomaterials C. Allen Ross N.D. Cristescu Oana Cazacu The University of Florida Graduate Engineering and Research Center 1350 North Poquito Road Shalimar, Florida 32579 The University of Florida Department of Aerospace Engineering, Mechanics, and Engineering Science PO Box 116250 Gainesville, Florida 32611-6250 CONTRACT NO. F08635-98-D-0016 MARCH 2003 FINAL REPORT FOR PERIOD MAY 98 to SEP 02 DISTRIBUTION A - Approved for public release; distribution unlimited. 20030527 124 AIR FORCE RESEARCH LABORATORY, MUNITIONS DIRECTORATE Air Force Materiel Command United States Air Force Eglin Air Force Base