هندسة المباني

للكاتب : S.I.Youseef Mining Dept., TIMS ABSTRACT Helwan is a highly polluted city .Quarrying, Iron & Steel making, and other activities are the main pollution sources. Garawi lime stone quarry belonging to the National Cement Company (NCC) and located near the city of Helwan is selected to describe quarrying operations and to measure their pollution. Quarrying operations include drill-blast technology …

  BY Sabry A. Abdo*, Mohamed A.Y.**, Hassan A.A.El-Sageer***1, Mamdouh Y.H.*** ABSTRACT: The deformation and support load of the first tunnel can be changed due to the excavation of the second tunnel, when it is in the vicinity of an existing tunnel. Severe interaction effect between adjacent tunnels can happen, especially in poorly cemented or heavily fractured rock condition. Severe …

للكاتبين : K. M. Mowafi, M. M. Shahat, Hanafy Hussien, Y. El. Gendi, Fred Wehr, Patrick Jennings, Khalda Petroleum Company ABSTRACT: Hydraulic fracturing is one of the common methods utilized to enhance production from tight hydrocarbon bearing reservoirs. Hydraulic fracturing although used extensively in some parts of the world has not been applied as widespread as some may think. Fracturing …

للكاتبين : A.M.M. Saleh ( 1)*, F.H. Ashour ( 2) and S.M. El Sabagh ( 1) Abstract The aim of this study is to use the solid petroleum wastes in road and building construction purposes. To achieve this aim, the oily fraction of the waste was solvent extracted using benzene. that was further used in making two asphaltic primers composed …

للكاتبين : Nour El-Emam, El-Kasbai Abbdel-Magid and El-Sayed Ibrahim Petroleum and Mining Engineering Dept./Faculty of Engineering / Al-azhar University, Cairo Abstract Many dangerous problems can be taken place due to hydrates formation in natural gas mixtures such as; partial or complete plugging of the system. To avoid this problem, the natural gas mixtures should be far from the hydrate formation …

للكاتبين : Nour El-Emam, El-Kasbai Abbdel-Magid and El-Sayed Ibrahim Petroleum and Mining Engineering Dept./Faculty of Engineering / Al-azhar University, Cairo Abstract Many dangerous problems can be taken place due to presence of water in natural gas mixtures (such as; hydrates formation, reducing-transmission line capacity, corrosion and erosion of pipelines and damage of equipment and instruments etc.). To avoid these problems, …

للكاتبين : Islam M. EL-Desoky and A. A. Mousa Department of Basic Engineering sciences, Faculty of Engineering, Menofia University, Shebin El-Kom, Menofia, Egypt. ABSTRACT In real systems, there is always a certain amount of slip, which, however, is hard to detect experimentally because of the required space resolution. In this paper, the motion of a compressible viscous liquid with “slip” …

للكاتبين : A.E.Bayoumi *, M.A.Tantawy** and E.Eissa* * Min. & Pet. Eng. Dept. Faculty of Engineering, Al-Azhar University, Cairo, Egypt. ** Pet. Eng. Dept. Faculty of Pet. & Min. Eng., Suez Canal University, Suez, Egypt. ABSTRACT Gas reservoir simulation is a tremendously powerful tool for helping the reservoir engineer to understand a reservoir’s behavior. It is the standard method for …

للكاتبين : Nehal S. Ahmed*, Amal M. Nassar and Abdel – Azim A. Abdel – Azim. Department of Petroleum Applications, Egyptian Petroleum Research Institute, Nasr City, Cairo, Egypt. ABSTRACT Four esters were prepared by esterification of acrylic acid with alcohols having different alkyl chain length. The structures of the prepared compounds were confirmed by I.R. spectroscopy and molecular weight determination. …

للكاتبين : By *Hanafy Hussein, **Nael Sadek , **Mohamed Ghareeb and ***Abu-zied A. El-Sayed * Khalda Petroleum Company, Egypt ** Lufkin Middle East *** Al Azhar university,Petroleum Eng.Dept.,Egypt Abstract The need to enhance well performance is driving the growth of well automation and optimization systems. In today’s efficiency demanding business world, producers require systems that are capable of more than …