A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Concrete lining in shafts
New method for construction of concrete lining in shaft by means of sliding shutter has proved complete success; it is simple, rapid, economical and does not interfere with excavating operations; sliding shutter consists of expanding ring, eight cables for climbing purposes, work platforms, and shutter hoisting mechanism; structure of platform, moving shutter, and operation of sliding shutter.
Concrete lining in shafts
New method for construction of concrete lining in shaft by means of sliding shutter has proved complete success; it is simple, rapid, economical and does not interfere with excavating operations; sliding shutter consists of expanding ring, eight cables for climbing purposes, work platforms, and shutter hoisting mechanism; structure of platform, moving shutter, and operation of sliding shutter.
Concrete lining in shafts
Min J
Mining Journal ; 252
1959
2 pages
Article (Journal)
English
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