m Abedeh zadeh - Graduate student college of civil Engineering Chamran university Tehran
m.j soheil - Graduate studebt SQ۸۴ , Khordad ۵ Sharak-e-naft.Ahwaz

With the development of materials and technology many new materials find ther applica tions in civil engineering to deal with the deteriorating infrastructure carbon nanotube is a promising example that deserves a wide focus, from research to application.