Open AccessDesign optimization in underground coal systems: Section 1. Structural parameters of coal measure rocks. Section 2. Longwall mining system strata simulator. Section 3. Design criteria for underground roof-truss support systems. Interim report, April--June 1977
Author(s) -
C. Haycocks,
J. Townsend,
G. Neall,
L. Johnson
Publication year - 1977
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/5269789
Subject(s) - roof , truss , coal mining , longwall mining , section (typography) , coal , mining engineering , engineering , geotechnical engineering , geology , civil engineering , computer science , operating system , waste management
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