A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Setting of face props in inclined seams. Part II -- Movements of roof, floor, and props
Lateral movements of roof and floor, parallel with, and at right angles to, faces advancing along strike, with solid lower sides, and their effect on prop stability; investigations at such faces into effects of various factors on prop stability. Before North Staffordshire Inst Min Engrs. (See also - discussion p 334-7; Colliery Guardian v 152 n 3934 and 3926 May 22 1936 p 967-9 (discussion) June 5 p 1091-2)
Setting of face props in inclined seams. Part II -- Movements of roof, floor, and props
Lateral movements of roof and floor, parallel with, and at right angles to, faces advancing along strike, with solid lower sides, and their effect on prop stability; investigations at such faces into effects of various factors on prop stability. Before North Staffordshire Inst Min Engrs. (See also - discussion p 334-7; Colliery Guardian v 152 n 3934 and 3926 May 22 1936 p 967-9 (discussion) June 5 p 1091-2)
Setting of face props in inclined seams. Part II -- Movements of roof, floor, and props
Instn Min Engrs -- Trans
Vallis, E.H. (author)
1936
11 pages
Article (Journal)
English
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Setting of face props in inclined seams. Part II -- Movements of roof, floor, and props
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