هندسة المباني

FORENSICS AT COLLAPSED PHOSPHATE UNDERGROUND MINE: NUMERICAL APPROACH

للكاتبين : Salah A. Badr and Samir E. Sleem Mining and Petroleum Engineering Department, Faculty of Engineering, Al Azhar University, Nasr City, Cairo Egypt ABSTRACT A dry self-supported Room & Pillar phosphate mine at Zug ElBahr area – Egypt flooded on winter of the 1994. Given that only random timber are in place, the Marly immediate roof deteriorated and finally …

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EFFECT OF CASTING TECHNIQUES AND SiC PARTICLE SIZE ON THE MECHANICAL PROPERTIES OF METAL-MATRIX A356 COMPOSITES

للكاتبين : AMIR A.MAHDY1, M.SHERIF EL-ESKANDARANY1, A.KANDIL1, S. ABD EL ALL 2, S.F.MOUSTAFA3, A.H.AMER1 1 Mining, Metallurgy and Petroleum Eng. Department, Al Azhar University, Nasr City 11371, Cairo, Egypt. 2 Radiation Physics Dept., National Center for Radiation Research and technology, Nasr City, Cairo, Egypt. 3 Central Metallurgical Research and Development Institute, Helwan   ABSTRACT stir and compocasting techniques were used …

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EFFECT OF BIMODAL / TRIMODAL SIZE DISTRIBUTION ON FLOW CHARACTERISTICS OF COAL-WATER MIXTURES (CWM).

 للكاتبين : Mosa E. S.1, Saleh A. M.2, Taha T. A. 3 and El-Molla A. M4 1Mining & Petroleum Eng. Dept., Faculty of Engineering, Al Azhar University 2 Mineral processing, Mining & Petroleum Eng. Dept., Faculty of Engineering, Al Azhar University. 3 Mineral processing, Mining & Petroleum Eng. Dept., Faculty of Engineering, Al Azhar University 4 Hydraulics, Civil Eng. Dept., …

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EFFECT OF PARTICLE SIZE AND SOLID CONCENTRATION ON RHEOLOGY OF COAL-WATER SLURRIES.

للكاتبين :. Mosa E. S.*, Saleh A. M.**, Taha A. T.*** and El-Molla A. M.**** * Lecturer Assis. Mining & Petroleum Eng. Dept., Faculty of Engineering, Al-Azhar University **Assis. Prof. of Mineral processing, Mining & Petroleum Eng. Dept., Faculty of Engineering, Al-Azhar University. ** Prof. of Mineral processing, Mining & Petroleum Eng. Dept., Faculty of Engineering, Al-Azhar University *** Prof. …

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Evolution of the texture of deformation and recrystallization during annealing of wire draw steel

للكاتبين : M. Zidani1, S. Messaoudi1, Z. Boumerzoug1 and T. Baudin2 1: University of Biskra- Department of Metallurgy, BP-145, Algeria 2: Laboratory of Physico-chemistry of Solid State – Building 410 University Paris-South, ICMMO, UMR CNRS 8182, 91405 Orsay Cedex- France ABSTRACT The aim of this work is the comprehension of the evolution of the microstructure and the texture of deformation …

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THE EFFECT OF VANADIUM ON PROPERTIES OF HSLA STEEL (DUAL PHASE)

للكاتبين : MAZIAD,A.(*) ; GOUDA,M. (**) (*)Mechanical Engineering Department, 10 th of Ramadan City. (**)Engineering, British University In Egypt,BUE ABSTRACT: Nowadays, in modern countries such as Japan and United States of America, HSLA steels represents an important material in different fields of industry like automotive and constructions for buildings and bridges. For all of that mentioned above , we have …

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STATE OF ART OF CARBON DIOXIDE SEQUESTRATION PROCESSES IN POLAND

للكاتبين : Pawel Krzystolik1, Stanislaw Nagy2, Jakub Siemek2, Bartłomiej Jura1 1. Central Mining Institute, Scientific Consultant, Plac Gwarków 1, 40-166 Katowice, Poland 2. AGH University of Science & Technology, Al. Mickiewicza 30, 30-059 Cracow, Poland, ABSTRACT Underground storage of carbon dioxide may be potential technology to decrease of greenhouses gases emission, usually from industry sources. There are a number of …

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CHARACTERIZATIONS OF FINE GRAINED 6061 AL ALLOY SHEETS PRODUCED BY ACCUMULATIVE ROLL- BONDING (ARB) PROCESS

للكاتبين : I. ELSEAIDY* , M. M. IBRAHIM**, M. M. GHONEIM*** *, ETRR-2, Nuclear Research Center, Atomic Energy Authority, Inshas 13759, Cairo, Egypt ** Metallurgy Department , Faculty of Engineering, Cairo University, Giza, Egypt. *** Metallurgy Department, Nuclear Research Center, Atomic Energy Authority, ETRR-2, Inshas 13759, Cairo, Egypt. ABSTRACT In the present study the accumulative roll-bonding (ARB) process was applied …

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