نتایج جستجو برای: felling areas

تعداد نتایج: 401973  

Journal: :Actual directions of scientific researches of the XXI century: theory and practice 2020

Journal: :Journal of the Yamashina Institute for Ornithology 2004

Journal: :E3S web of conferences 2021

The article describes the causes of occurrence and forms geomechanical processes manifestation in surrounding coal-rock massif mine workings supported by anchor support. Based on long-term field observations, six typical deformations have been established. Design solutions to strengthen support or complete reinforcement damaged sections during local felling developed. They include: installation...

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