”Effect of Foam Shreds on High Strength Concrete” “Effect of incorporation of Wax on concrete “Protection and Treatment of Wood Used in Form Work” AL-AZHAR ENGINEERING TENTH INTERNATIONAL CONFERENCE December 24-26, code 67, vol.3, No.10, December. "Recycling of Rubber Shreds In Concrete “ ,Journal of the Egyptian society of Engineers, Vol.43 No.2 pp 3-11. "Effect of Bentonite on The Physical and Mechanical Properties of Concrete ”. Engineering Research Journal ,Vol.105. “Investigation of Behaviour of Varaible Shear connectors” Engineering Research Journal, vol 76,pp. 71-83 August , Helwan University, Faculty of Engineering, Mataria Cairo. “Effect Of palm tree Fibers on the Physical and and Mechanical properties of Mortar”, Journal of the Egyptian Society of Engineers, Vol.43, NO.3, pp. 9-21. “Behaviour Of concrete Specimens Wrapped with GFRP Under Axial Compression”ASCE-EGS IIIMiddle East regional Conference On Civil Engineering Technology , April .Cairo, Egypt. "Effect of Storage of Cement on its Properties” Journal Of the Egyptian Society of Engineers, September . “Effect of Plastic Fibers on Physical and Mechanical Properties of Mortar “, Engineering and research Journal, Vol.85 pp 68-81 , February , Helwan University, Faculty of engineering , Mataria, Cairo. “Flexural Behaviour of Reinforced Concrete Beams Srengthened With GFRP” AEIC EL Azhaar Engineering International Conference, April, Cairo, Egypt PERFORMANCE OF CONFINED FRESH CONCRETE SUBJECTED TO AXIAL LOADING Strengthening Techniques in Reinforced Concrete Hollow Core