... was not until 1952 that the second ground freezing project was completed to facilitate the sinking of a 4.5-m (15-ft) diameter, 233-m (765-ft) deep shaft at a ...
... cost was incurred for repair of the wood forms due to the extent of re-use in a deep shaft. This handicap would be less objectionable for shallow sinking. ...
... emergency shafts with diameters varying from 10–12 m and depths between 17–72 m deep. The traditional top-down (blind sink) shaft sinking method involves ...
... emergency shafts with diameters varying from 10–12 m and depths between 17–72 m deep. The traditional top-down (blind sink) shaft sinking method involves ...
... FULL-FACE SHAFT SINKING AT THE ... Nuclear Fuel Waste Management Program, which is assessing the concept of nuclear fuel waste dis- posal in a vault deep in stable ...
... of October 1982, the shaft was over 320 a (1,050 ft ) deep with initial ...shaft dividers, quides, skips, and man cages will complete the shaft sinking phase of ...
... The difficulties encountered while sinking deep shafts for Potash Mines in ... require special techniques for ground and water control during shaft sinking. ...
... MACASSA NO. 3 SHAFT - DEEP SHAFT SINKING BY CONVENTIONAL NETNODS ... The design of sinking equipment for a deep shaft centers around the muck removal system. ...
... was considered to be a technically demanding challenge: a deep shaft to be con ... venture drew on upon their extensive expertise in shaft sinking to successfully ...
... A deep mine shaft in a highly stressed rock mass is an ideal test site ... Field measurements obtained during shaft sinking suggest many important design factors. ...
AUTHOR
Beus, M. J.
PUBLISHED
1989
Showing: 1 to 10 of 1750 matches for "deep shaft sinking"
