Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Use of XR350 Min-drills to drill 50 ft holes at Warragamba Dam in Australia, for grouting of foundation rock; use of bits with angle of 60° included in taper resulted in increase of footage per bit, better diamond recoveries, and faster and smoother drilling; design of reamer to give directional stability.
Use of XR350 Min-drills to drill 50 ft holes at Warragamba Dam in Australia, for grouting of foundation rock; use of bits with angle of 60° included in taper resulted in increase of footage per bit, better diamond recoveries, and faster and smoother drilling; design of reamer to give directional stability.
Development of diamond drill bit
Chem Eng Min Rev
Bayley, L.M. (Autor:in)
1959
4 pages
Aufsatz (Zeitschrift)
Englisch
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