Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Relation between timbering and roof action
Difference between roof action in room and pillar and in long-face mining requires different methods of supporting strata over working face; function of timbering is different in each system; roof action is governed more by character of top than by method of timbering; failures have occurred and money has been uselessly spent in attempting roof control and roof support by methods not in accordance with natural characteristics of strata.
Relation between timbering and roof action
Difference between roof action in room and pillar and in long-face mining requires different methods of supporting strata over working face; function of timbering is different in each system; roof action is governed more by character of top than by method of timbering; failures have occurred and money has been uselessly spent in attempting roof control and roof support by methods not in accordance with natural characteristics of strata.
Relation between timbering and roof action
Min. Congress Jl
Southward, G.B. (Autor:in)
1931
2 pages
5 Figs.
Aufsatz (Zeitschrift)
Englisch
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Mechanization of timbering for roof supports
Engineering Index Backfile | 1929
Mechanization of timbering for roof supports
Engineering Index Backfile | 1929
Mechanization of timbering for roof supports
Engineering Index Backfile | 1929