Surface and underground excavations
-
Part 1 of ebook "Surface and underground excavations: Methods, techniques and equipment" provides readers with contents including: rocks, minerals and mineral inventory evaluation; prospecting, exploration and site investigations; explosives and blasting; mucking, casting and excavation; transportation – haulage and hoisting; drives and tunnels (conventional methods);...
477p 
thamnhuocgiai
24-09-2023
7
4
Download
-
Continued part 1, part 2 of ebook "Surface and underground excavations: Methods, techniques and equipment" provides readers with contents including: excavations in upward direction – raising; shaft sinking; large sub-surface excavations; underground mining/stoping methods and mine closure; surface excavations; hazards, occupational health and safety (OHS), environment and loss prevention;...
409p thamnhuocgiai
24-09-2023
4
4
Download
-
This paper uses the numerical method by FLAC3D software to build the model with a height of 450 m and a width of 700 m to study the effect of the twin inclined shafts construction on the deformation of rock mass on the ground surface.
8p vibentley
08-09-2022
9
4
Download
-
Leading mining companies have taken up the chal- lenge and are pushing beyond minimum legal requirements through voluntary initiatives, to ensure their continued “license-to-operate” from the com- munity as well as increasing their competitive advantage through continuous, voluntary improve- ments in environmental performance. As with all mining activities, the extraction and bene- ficiation of phosphate rock and potash to produce mineral fertilizer raw material has the potential to cause environmental impacts.
90p tieuyeuquai456
05-10-2012
50
3
Download
