A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Recent American developments no. 3: roof bolting
American practice and benefits; possible application to British mines; roof bolting in North Eastern Div, National Coal Board; types of bolt and bolting equipment; results of trials. (See also - discussion p 887-93; Colliery Guardian v 188 n 4849, 4850 Feb 4 1954 p 131-4, Feb 11 p 159-64)
Recent American developments no. 3: roof bolting
American practice and benefits; possible application to British mines; roof bolting in North Eastern Div, National Coal Board; types of bolt and bolting equipment; results of trials. (See also - discussion p 887-93; Colliery Guardian v 188 n 4849, 4850 Feb 4 1954 p 131-4, Feb 11 p 159-64)
Recent American developments no. 3: roof bolting
Instn Min Engrs -- Trans
Wright, A. (author)
1954
22 pages
Article (Journal)
English
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Recent American developments no. 3: roof bolting
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