Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Operations connected with driving rock tunnel; progress of roof supports and their applicability; functions, advantages and limitations of roof bolting; types of roof bolts available; direct costs of conventional supports and roof bolting compared; examples.
Operations connected with driving rock tunnel; progress of roof supports and their applicability; functions, advantages and limitations of roof bolting; types of roof bolts available; direct costs of conventional supports and roof bolting compared; examples.
Roof bolting in tunnels
Min Congress J
Miller, P.S. (Autor:in)
1952
3 pages
Aufsatz (Zeitschrift)
Englisch
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| Engineering Index Backfile | 1953
| Engineering Index Backfile | 1952
| Engineering Index Backfile | 1957
| Engineering Index Backfile | 1950
| Engineering Index Backfile | 1951