TRIAL WORK OF THE LONG WAY IN THIN LIGNITE LAYER

Trial excavation road head in the lignite seam was carried out by the application of semimechanized operation with coal seam undercutting. After 6 months of trial work no production effects were attained, so the trial mining field was liquidated and any further trials were given up. The experiences...

وصف كامل

التفاصيل البيبلوغرافية
الحاوية / القاعدة:Rudarsko-geološko-naftni Zbornik
المؤلفون الرئيسيون: Jerko Nuić, Stjepan Prokopović
التنسيق: مقال
اللغة:الإنجليزية
منشور في: University of Zagreb 1989-12-01
الموضوعات:
الوصول للمادة أونلاين:http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=38838&lang=en