EVALUATING AND IMPROVING BLASTING RESULTS AT TOURAH LIMESTONE QUARRY- HELWAN, EGYPT.

ESTIMATION OF STRESS AND STRAIN LEVELS INDUCED BY BLASTING VIBRATIONS USING MEASURED PARTICLE AND PROPAGATION VELOCITIES AT BANI KHALID QUARRY

PANEL WIDTH AFFECTED BY ROCK MASS CLASSIFICATIONS (ABU-TARTUR PHOSPHATE MINES)

GEOTECHNICAL FACTORS GOVERNING SHEAR STRENGTH OF QUSEIR SHALE IN DAKHLA OASIS, WESTERN DESERT, EGYPT

TESTING AND ASSESSMENT OF SOME EGYPTIAN MARBLE TYPES

COMMINUTION OF DIFFERENT GRANITE SAMPLES OF SOUTH EAST DESSERT OF EGYPT

APPLICATION OF THE ROCK MASS CLASSIFICATION SYSTEMS TO PILLAR DESIGN IN LONGWALL MINING FOR ABU-TARTUR LONGWALL PHOSPHATE MINING CONDITIONS

KRIGING TECHNIQUES AND GIS FOR MANAGEMENT OF PHOSPHATE EXTRACTION AT HAGARIA DISTRICT, EGYPT

DISTRIBUTION AND IMPLEMENTATION OF DRILLING MACHINES AT THE QUARRY BENCHES

LOAD CALCULATIONS AND SELECTION OF THE POWERED SUPPORTS BASED ON ROCK MASS CLASSIFICATION AND OTHER FORMULAE FOR ABU-TARTUR LONGWALL PHOSPHATE MINING CONDITIONS