ABSTRACT Djebel el Onk region is located in the south-east of Algeria, 100 km from the region of Tebessa and 20 km from the Algerian - Tunisian borders. Natural geographical area between Constantine highlands and the ...

صخلم : دهلا ف ةساردلا هته نم يسيئرلا تازاغلا و تازازتهلاا نم ليلقت و ناملاا ىلع ظافحلا لاوا جنملا جاتنا عفر ايناث م ةيمكلا عفر و تتفتلا ثيح نم يمرلا نم ةديج ةجيتن ىلع لوصحلا اثلاث و ناملاا ثيح نم ...

The efficiency of a blast is important for any mining operation for economic as well as technical reasons. Rock blasting operations should be carried out in an optimal way in order to obtain a grain size that will ...

The study of the stability of underground mining structures in rock masses is the major concern of geotechnics in the mining field. Many factors affect the stability of mining installations and in particular underground ...

Résumé Cette recherche met l’accent sur les défis géotechniques associés à l’exploitation minière dans le dépôt de Djebel Onk situé dans la région de Tebessa en Algérie. La zone d’étude contient d’importantes ...

رجحلا يريجلا ةرابع نع روخص ةيبوسر ، لثم رجحلا يلمرلا وأ سبجلا ، يهو لثمت 75 ٪ نم ءاطغ ةرشق ضرلأا ، نوكتتو اساسأ نم تانوبرك مويسلاكلا 3 CaCO ، نكلو اضيأ نم ...

ABSTRACT Breaking rocks represents the first phase of the technological processes for the exploitation of open pit deposits. It consists in modifying the natural state of the rocks in order to minimize the blocometry ...

Abstract This research applies a geostatistical multi-approach to estimate geotechnical data and delineate an iron ore deposit in Djbel Djbal, Algeria. The study involves data collection, analysis, and modeling ...

Résumé Le biodiesel est un carburant renouvelable et un produit écologique à partir de sources végétales ou animales, il peut être fabriqué à partir d'huiles végétales, telles que l'huile de soja, l'huile de colza, ...

. : صخﻠﻣ مجنم يف لقنلا ةمظنا ليغشت ةءافك ىلع ظافحلا ةلكشم لح لجا نم زنولاب ديدحلا ة رمع لوط ىلع مجنملا تارايخ ىلا لوصولل ةليدب لقن بيلاسا ىلإ لاقتناا عم ماخلا لقن ططخم نيسحتل ةيناقع . يكيتاموتا ماظنب ...