Ahmad Riead Ahmad Ibrahim

Faculty of Engineering

Assiut University

Department
Mining and Metallurgical Engineering Department
Fax No
N/A
MIS Email
ahmed.ibrahim1@eng.au.edu.eg
Mobile
01288260112
Office
N/A - 031232
Google Scholar
google_scholar
Ph. D. In Mining & Metallurgical Engineering () , , 1975
M. Sc. In mining & Metallurgical Engineering () , , 1970
B. Sc. In Mining & Metallurgical Engineering () , , 1965

Emeritus Professor Faculty of Engineering, Assiut University , 2000

Professor Faculty of Engineering, Assiut University , 1985

Associate Professor Faculty of Engineering, Assiut University , 1979

Lecturer Faculty of Engineering, Assiut University , 1975

Assistant Lecturer Faculty of Engineering, Assiut University , 1972

Demonstrator Faculty of Engineering, Assiut University , 1965
# Title Research Year
1 APPLICATION OF THE ROCK MASS CLASSIFICATION SYSTEMS TO PILLAR DESIGN IN LONGWALL MINING FOR ABU-TARTUR LONGWALL PHOSPHATE MINING CONDITIONS 2013
2 LOAD CALCULATIONS AND SELECTION OF THE POWERED SUPPORTS BASED ON ROCK MASS CLASSIFICATION AND OTHER FORMULAE FOR ABU-TARTUR LONGWALL PHOSPHATE MINING CONDITIONS
2013
3 PANEL WIDTH AFFECTED BY ROCK MASS CLASSIFICATIONS
(ABU-TARTUR PHOSPHATE MINES) 		2013
4 Ore grade estimation by small numbers of samples using geostatistics 1998
5 Prediction of surface subsidence over longwall mining Abu Tartur area 1997
6 Utilization of cement dust in manufacturing bricks 1997
7 Brick Fabrication From waste of Sugar Cane & Paper industries (Edfu-Egypt) 1996
8 Correlation between In situ measurments and laboratory testing dolometic phosphate strength 1995
9 Rational support parameters at phosphate mines (Abu - Tartur mining conditions ) 1991
10 New aspects in the study of strength properties of Alabster deposit in Wadi El Assiuty 1987
11 Analysis of the effect of the specimen size and shape on rock strength 1986
12 Effect of initial size of the feed and rock toughnesson the consumed energy to change surface area and shape of the poroduced partiles 1986
13 Applications of some
geostatistical methods to evaluate phosphate deposit 		1985
14 Probabitity of the size distribution in crushing 1985
15 Effect of energy consumed in grinding and the initial size on the feed percentiles of the product of grinding process 1985
16 Prognosis systems for predicting the parameters of the ground ores in vertical stamp mill 1985
17 Effect of the properties of the rocks and the set of the jaw crusher on the produced average diameter of the product 1984
18 Normality tests for the size distribution curves produced in the process of crushing 1984
19 Effect of the reduction ratio of the jaw crusher on the deciles of the size distribution of the product 1984
20 Normality tests for the size distribution curves produced in the process of crushing 1984
21 Probabitity of the size distribution in crushing 1984
22 Effect of energy consumed in grinding and the initial size on the feed percentiles of the product of grinding process 1984
23 Prognosis of the displacements of the roof in mines , applied to Abou Tartur mining conditions 1984
24 Determination of the optimum cross-sectional area for a network of mine openings by the factor of ventilation 1984
25 Effect of the properties of rocks and the set of Jaw crusher on the produced average dia of the product 1984
26 Application of the probability theory for determining the effect of hardness of rocks on the statistical parameters of the size distribution for different ball to ore rutios at const.time of grinding 1983
27 Probability studies on the safety of unsupported mine opening 1983
28 Contribution to the analytic study for the determination of the optimum size of pillars in Room- and - pillar mining method 1983
29 Determination of the rock deformation in the roof of mining stopes 1983
30 The relation between the reduction ratio , the hardness and coefficent of plasticity of rocks 1983
31 Relation between surface area products in the process of comminution , time of grinding at constant Ball to ore ratios , for different types of tested rocks 1983
32 A rapid practical method for determing the displacement of the roof and the parameters of timber supports in the mine stopes 1983
33 Effect of hardness and coeff of plasticty as technological properties on the produced surface area as an index for energy consumed in the process of comminution 1983
34 Slope of Rosina- Rammler’s equation as a criterion for consumed energy in the process of grinding in vertical stamp mills 1983
35 Nomogramic representation to calculate the average size of the product and slope of Rosina - Rammler’s equation from energy consumed in the process of grinding in vertical stamp mills and initial size of feed for different ores and rocks 1983
36 Effect of the properties of the rocks and the set of the jaw crusher on the reduction ratio of the crushed ore 1983
37 Study of the effect of energy consumed in the process of grinding . intial sige of feed and comp. Strength of rocks on the fineness ratio 1982
38 Application of the probabitity theory in the study of the effect of the time of grinding on the size distribution 1982
39 Effect of initial size of the feed and rock toughnesson the consumed energy to change surface area and shape of the poroduced partiles 1982
40 Study of the relation between relaive incremental energy and produced surtace area per unit energy consumption 1980
41 Study of the relation between energy consamed in the process of comminution and produced surface area at different intial sizes for different types of rocks 1980
42 Study of the effect of toughness and comp . strergth of rocks on the produced surface area and relative growth of surface area 1980
43 Rate of growth of surface area and itinial size of feed as controlling factor for the determination of the time necessary for grinding in vertical stamp mill 1980
44 Study of the effect of the initial size and energy consumed in the process of grinding on the new surface area for various types of rocks 1980
45 Relation between technological properties of rocks and their grindability const 1979
46 Analytical methods for the determination of the load on the supports in the main development openings and its applications 1978
47 Effect of borehole geometry on drilling operations in different types of rocks 1978
48 Strength and limit strains of the sedimentary rocks as affected by time 0
49 Mathematical study of the effect of rock deformation on its porosity and permeability 0
50 Probability of the size distribution in crushing 0
1- Mosaad Ali Hussein Ali , Application of Rock Mass Classifion in Mine Design ,2014-06-30
supervisor: Ahmed Riad Ibrahim, Said Saad Imbaby

الجمعيات العلمية و النقابات :

Research Projects