ABROAD
Название
World experienceof block stone extraction with underground method
Авторы
Kareddu N., Daniel P.
Информация об авторах
Kareddu N., Professor Assistant, e-mail: ncareddu@unica.it, University of Cagliari, Italy; Daniel P., Journalist, Columnist for the Natural Stone Industry, Spain, e-mail: paulantdaniel@arrakis.es
Реферат
The large overview of old unconventional for our time underground method of extraction of different types of natural stone in Europe, USA, Brazil, shown opportunities and competitive ability of this type of mining business, especially under the conditions of active constraint of ecological aspects has been done.
Ключевые слова
Old rock quarries, ecological system protection, extraction of natural stone blocks, underground mines (pits), development system, rock-cutting machines, day-drifts, chambers.
Language of full-text
русский
Полный текст статьи