A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Experiences demonstrated that by overburden of 12 to 15 m in thickness and tunnel spans of 15 to 20 m, construction advantages could be obtained; cost data in Sweden; methods to produce more accurate blasting of rockroom contours, particularly roof.
Experiences demonstrated that by overburden of 12 to 15 m in thickness and tunnel spans of 15 to 20 m, construction advantages could be obtained; cost data in Sweden; methods to produce more accurate blasting of rockroom contours, particularly roof.
Underground room construction
Eng News-Rec
Bergman, G.A. (author)
Engineering News-Record ; 153
1954
3 pages
Article (Journal)
English
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