Abstract The Apulian region (south-east of Italy) is characterized by the presence old underground cavities used for extraction soft calcarenite rocks and then abandoned over time. assessment stability these caves represents a challenging problem, especially areas possible interaction with overlying structures infrastructures. role environmental factors in triggering disruption processes cave h...

An ongoing resurgence of occupational lung disease among coal miners in the United States has been linked to respirable crystalline silica (RCS). To better protect miners, a deeper understanding key exposure factors is needed. As part larger investigation RCS 15 mines, this paper describes analysis mass content two types samples: (1) mine dust (RCMD) collected standardized locations each mine; ...

With the continuous development of mining industry, world’s major mines have gradually entered intelligent stage. In underground mines, operation roads transportation equipment are very complicated, and monitoring control traffic become problems to be solved in mines. Therefore, on basis solving practical concept paper discusses possibility communication-based train (CBTC) system being applied ...