Technology of support of workings near to extraction chambers

What is it about?

A range of problems of existing technology of supporting of workings in the conditions of Closed Joint Company «Zaporizkij iron-ore mining enterprise» is considered. Results of theoretical, laboratorial and industrial researches of the stress and strain condition of a rock mass around the cameras and drilling orts are presented. New method of calculation of parameters of the combined support of face headings which considers influence of cameras is offered.

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