Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Decline of 10 per cent in coal-mine fatalities for period 1917 to 1928, as compared with preceding 12 years, is attributed to adoption and enforcement of new mining code in effect June 7, 1917; review of fatal accidents due to falls of rock and coal; cause of and remedy for accidents due to falls; systematic timbering rules; advantages and disadvantages of rules for systematic timbering, irrespective of roof conditions; conclusions and recommendations.
Decline of 10 per cent in coal-mine fatalities for period 1917 to 1928, as compared with preceding 12 years, is attributed to adoption and enforcement of new mining code in effect June 7, 1917; review of fatal accidents due to falls of rock and coal; cause of and remedy for accidents due to falls; systematic timbering rules; advantages and disadvantages of rules for systematic timbering, irrespective of roof conditions; conclusions and recommendations.
Systematic timbering at the Washington coal mines
U. S. Bur. Mines -- Information Cir
Ash, S.H. (Autor:in)
1930
8 pages
Report
Englisch
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