Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Boliden "Circus"
Swedish mining company uses surface plant consisting of light weight portable units for shaft sinking, drifting, raising and diamond drilling; head frame is 30-meter-high tripod, with legs constructed of prefabricated tubular lattice girders; it has total weight of 15. 3 tons; after 3 concrete foundations are poured, erection takes only few days; 365-hp hoist is of 8-ton capacity and has rope speed of 4-m/sec.
Boliden "Circus"
Swedish mining company uses surface plant consisting of light weight portable units for shaft sinking, drifting, raising and diamond drilling; head frame is 30-meter-high tripod, with legs constructed of prefabricated tubular lattice girders; it has total weight of 15. 3 tons; after 3 concrete foundations are poured, erection takes only few days; 365-hp hoist is of 8-ton capacity and has rope speed of 4-m/sec.
Boliden "Circus"
Can Min J
Burstrom, C. (Autor:in) / Pousette, I. (Autor:in) / Cook, J. (Autor:in)
1962
3 pages
Aufsatz (Zeitschrift)
Englisch
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