Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Application of roof bolting in coal mine of Zwartberg
Roof-bolting test in two roads in working area with retreating working; road sections were driven and bolted several months before seam was started; at moment of starting, 8 mo after roads were driven, subsidence of bolted roof was very slight and reached maximum of 83 mm. (In French with English summary)
Application of roof bolting in coal mine of Zwartberg
Roof-bolting test in two roads in working area with retreating working; road sections were driven and bolted several months before seam was started; at moment of starting, 8 mo after roads were driven, subsidence of bolted roof was very slight and reached maximum of 83 mm. (In French with English summary)
Application of roof bolting in coal mine of Zwartberg
Applications du boulonnage au charbonnage de Zwartberg
Chiff, E. (Autor:in) / van Duyse, H. (Autor:in)
1966
18 pages
Aufsatz (Zeitschrift)
Französisch
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