Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Driving Glynn's Lydenburg drainage tunnel
Mine at Sabie in Eastern Transvaal is in heavy rainfall area; reef occurs in dolomites; at times, 48 tons of water pumped for every ton of rock hoisted; details of driving 12,898 ft of main drainage tunnel and additional work making total of 16,577 ft; blasting difficulties, due to flow of water at high pressure from drilled holes; concreting; ventilation. (See also Chem, Met and Min Soc S Africa -- J v 41 n 7 Jan 1941 p 242-57; Iron and Coal Trades Rev v 143 n 3830 July 25 1941 p 74)
Driving Glynn's Lydenburg drainage tunnel
Mine at Sabie in Eastern Transvaal is in heavy rainfall area; reef occurs in dolomites; at times, 48 tons of water pumped for every ton of rock hoisted; details of driving 12,898 ft of main drainage tunnel and additional work making total of 16,577 ft; blasting difficulties, due to flow of water at high pressure from drilled holes; concreting; ventilation. (See also Chem, Met and Min Soc S Africa -- J v 41 n 7 Jan 1941 p 242-57; Iron and Coal Trades Rev v 143 n 3830 July 25 1941 p 74)
Driving Glynn's Lydenburg drainage tunnel
S African Min Eng J
L'Ange, R.L. (Autor:in)
1941
Aufsatz (Zeitschrift)
Englisch
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Driving Glynn's Lydenburg drainage tunnel
| Engineering Index Backfile | 1941
Driving mines drainage tunnel in North Wales
| Engineering Index Backfile | 1932
Driving mines drainage tunnel in North Wales
| Engineering Index Backfile | 1932
| Engineering Index Backfile | 1941