H. Sezer Atamturktur, Civil Engineering Department, Clemson University, Clemson, USA. Babak Moaveni, Department of Civil and Envt. Eng., Tufts University, Medford, USA. Costas Papadimitriou, Department of Mech. & Industrial Eng., University of Thessaly, Volos, Greece. Tyler Schoenherr, Sandia National Laboratories, Albuquerque, USA.