A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Types of materials used in roof supports, properties of these materials, and profiles; elements of roof supports; method of installation of roof supports in coal mines; performance of hydraulic props; calculation of spacing between props; analysis of load on props.
Types of materials used in roof supports, properties of these materials, and profiles; elements of roof supports; method of installation of roof supports in coal mines; performance of hydraulic props; calculation of spacing between props; analysis of load on props.
Classification of roof supports
Systematik des Strebausbaus
Weddige, A. (author)
Bergbau-Archiv ; 24
1963
29 pages
23 Plates
Article (Journal)
German
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Engineering Index Backfile | 1961
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Engineering Index Backfile | 1961