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 Mechanical Engineering, University of Thessaly, Volos, Greece. Tyler Schoenherr, Sandia National Laboratories, Albuquerque, USA.