J.N. Akhtar

Civil Engineering Department, Aligarh Muslim University, Aligarh, P.O. Box, India

T. Ahmad

Civil Engineering Department, Aligarh Muslim University, Aligarh, P.O. Box, India

M.N. Akhtar

Civil Engineering Department, Fahad Bin Sultan University, Tabuk Saudi Arabia P.O. Box, K.S.A.

H. Abbas

Specialty units for safety and Preservation of Structures, Civil Engineering Department, King Saud University, Saudi Arabia P.O. Box, K.S.A.