Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Three tunnels driven by full-face drilling with detachable bits
Tunnels totaling 20,131 ft in length are part of 70 mi Conchas Irrigation Canal, principal features of U S Bureau of Reclamation's Tucumcari project in Quay County, N Mex; tunnels are horseshoe shaped, 11 ft 6 in. in diam, and concrete lined; notes on construction methods and equipment used.
Three tunnels driven by full-face drilling with detachable bits
Tunnels totaling 20,131 ft in length are part of 70 mi Conchas Irrigation Canal, principal features of U S Bureau of Reclamation's Tucumcari project in Quay County, N Mex; tunnels are horseshoe shaped, 11 ft 6 in. in diam, and concrete lined; notes on construction methods and equipment used.
Three tunnels driven by full-face drilling with detachable bits
Construction Methods
Construction Methods ; 25
1943
Aufsatz (Zeitschrift)
Englisch
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Progress report on investigation of detachable rock-drill bits
| Engineering Index Backfile | 1936
The Face Stability of Slurry-shield-driven Tunnels
| Online Contents | 1994
The Face Stability of Slurry-shield-Driven Tunnels
| British Library Online Contents | 1994
Full-Face Drilling with a Mini TBM
| British Library Conference Proceedings | 1991