Document Type : Original Article
Authors
1 أستاذ منشأت المعدنيى - کلية الهندسة - جامعة قناة السويس
2 Prof. of steel structure and Dean of Collage of Engineering Portsaid university (
3 Prof. of steel structure an Dean of Collage of Engineering Suez Canal University
4 Assistance lecture, Collage of Engineering
Abstract