A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Tunneling at world record speed completed at Owens Gorge
History and features of project; tunnel with circular concrete section, 5 ft 5/8 in. inner diam and wall thickness 9 in. had to be driven in rock; best 24-hr advance was 104 ft; each of three plants has 37,500-kva generator and 51,200-hp Francis reaction-type Pelton turbine; total of 600,000,000 kw-hr per yr will be transmitted over 230-kv single circuit steel tower transmission line 258 mi long to Los Angeles.
Tunneling at world record speed completed at Owens Gorge
History and features of project; tunnel with circular concrete section, 5 ft 5/8 in. inner diam and wall thickness 9 in. had to be driven in rock; best 24-hr advance was 104 ft; each of three plants has 37,500-kva generator and 51,200-hp Francis reaction-type Pelton turbine; total of 600,000,000 kw-hr per yr will be transmitted over 230-kv single circuit steel tower transmission line 258 mi long to Los Angeles.
Tunneling at world record speed completed at Owens Gorge
Western Construction
Mason, W.C. (author)
Western Construction ; 27
1952
4 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
| Engineering Index Backfile | 1955
Owens river gorge power project
| Engineering Index Backfile | 1950
Los Angeles builds three hydro plants in owens river gorge
| Engineering Index Backfile | 1949
The Royal Gorge Bridge was the highest suspension bridge in the world when it was completed, in 1929
British Library Online Contents | 2011
Owens Corning World Headquarters, Toledo, Ohio
British Library Online Contents | 1997