ABSTRACT: The current experimental study included testing ten geopolymer concrete short columns and ten conventional concrete short columns under vertical axial loads. In addition, the behavior of the tested columns was studied in terms of ultimate load , cracking loads , modes of failure, toughness, stiffness and ductility at ambient temperature and elevated temperature of 3000C &5000C for exposure periods ... إقراء المزيد

ABSTRACT: Geopolymer is an eco-friendly concrete replacement of Ordinary Portland concrete and possesses strength similar to or greater than the conventional concrete. Geopolymer concrete is a combination of fly ash or GGBS or both along with hydroxide and silicate solutions. In this paper, a combination of both fly ash and GGBS were used to make geopolymer concrete along with sodium ... إقراء المزيد

Abstract: Researchers head for replacing cement in concrete with materials with lower CO2 emissions and energy demand. Geopolymer concrete is environmental friendly concrete based on industrial solid wastes and by products just like Ground Granulated Blast Furnace Slag (GGBS) and Fly ash (FA). This research aims to produce geopolymer concrete using local available materials in Egypt and suits the structural ... إقراء المزيد

ABSTRACT: This research shows methods of using sisal and flax ropes as an alternative of steel bars reinforcement processing with chemical processing by chemical substance (kimapoxy 150), As they can be used instead of steel, they are with different ratios (25-50-75-100) % of steel value. Various tests were carried out as cold bending, bond strength test, tensile strength of ropes ... إقراء المزيد

To reduce the impact on the environment, industrial and agricultural waste products such as carpet waste, sisal and flax have been added to the concrete. Usage of these materials in concrete does not only improve the strength of concrete but also leads to the proper disposal of these materials that leads to reduce the impact on environment. Fiber admixture can ... إقراء المزيد

المطلوب رسم منزلك علي برنامج الرسم بالحاسب ( اتوكاد) إقراء المزيد

المطلوب عمل مخططات توضح العمليات المختلفة مثل مراحل انشاء وتشيد وتشغيل وصيانة المشروع الهندسي إقراء المزيد

المطلوب اختيار مشروع متكامل للوحات المعمارية والانشائية ومن ثم عمل حصر لجميع الكميات الواردة بالمشروع إقراء المزيد

المطلوب عمل لوحة بها شرح برنامج مايكروسوفت وورد او بوربوينت إقراء المزيد

المطلوب عمل لوحة بها جميع مكونات الحاسب الالي إقراء المزيد