Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Use of chocks on coal faces
Report issued by Safety in Mines Research Committee of North Staffordshire Inst Min Engrs, describes use of chocks in controlling mine roofs at face and on roadways; also in reducing loss and damage of roof supports; efficient chocking keeps down prop loads and thus conserves supports; building and withdrawing chocks; types of chocks, timber and steel; chocking systems; chock props.
Use of chocks on coal faces
Report issued by Safety in Mines Research Committee of North Staffordshire Inst Min Engrs, describes use of chocks in controlling mine roofs at face and on roadways; also in reducing loss and damage of roof supports; efficient chocking keeps down prop loads and thus conserves supports; building and withdrawing chocks; types of chocks, timber and steel; chocking systems; chock props.
Use of chocks on coal faces
Colliery Guardian
Walker, J. (Autor:in) / Jones, T.J. (Autor:in)
Colliery Guardian ; 169
1944
7 pages
Aufsatz (Zeitschrift)
Englisch
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