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Information × Registration Number 0213U002749, 0111U009438 , R & D reports Title Developing technological order of supporting and maintaining longwall workings on steep seams popup.stage_title Head Bondarenko Volodymyr Illich, Registration Date 06-02-2013 Organization State Higher Educational Institution National Mining University popup.description2 Researches, analyses and substantiation of resource-saving systems of support and protection of extraction workings are examined in this work. In addition, spatial-yielding construction link of bolt and frame support is considered as a solid load-bearing system. Efficiency of combined support in the composition of frame-bolt and bearing-bolt supports is shown. Parameters of cast strip with relieving cfvity are studied and substantiated, also mechanization means of cast strip creation are developed. Product Description popup.authors Ковалевська Ірина Анатоліївна Симанович Геннадій Анатолійович popup.nrat_date 2020-04-02 Close