The aim of this work is to use an environmental, cheap; organic non-traditional admixture to improve the structural behavior of sustainable reinforced concrete beams contains different ratios of recycled concrete aggregate. The used admixture prepared by using wastes from vegetable oil industry. Under and over reinforced concrete beams made from natural aggregate and different ratios of recycled concrete aggregate were ... إقراء المزيد

Sohag university Faculty of engineering First year Civil Eng. Dept. Strength & properties of materials 1 Tension Behavior and mechanical properties of reinforced steel bars Question 1:- A tension test was carried out on a steel specimen of 15mm diameter and 150mm length. The results were as follow: 10 12 13 12.5 11.5 8.5 7.5 7.6 3.8 P (ton) 36 ... إقراء المزيد