A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Friction coefficients in large tunnel
Measurements to determine friction and roughness coefficients for three different surfaces in Apalachia Tunnel of Tennessee Valley Authority; sections tested were 18-ft steel pipe coated with bituminous paint, 18-ft concrete lined tunnel and unlined rock tunnel of 20- and 22-ft nominal diam; discharges during tests varied from 975 to 3210 cu ft per sec. (See also - discussions n 7, 8, 9, Sept p 1122-38, Oct p 1307-9, Nov p 1450-4)
Friction coefficients in large tunnel
Measurements to determine friction and roughness coefficients for three different surfaces in Apalachia Tunnel of Tennessee Valley Authority; sections tested were 18-ft steel pipe coated with bituminous paint, 18-ft concrete lined tunnel and unlined rock tunnel of 20- and 22-ft nominal diam; discharges during tests varied from 975 to 3210 cu ft per sec. (See also - discussions n 7, 8, 9, Sept p 1122-38, Oct p 1307-9, Nov p 1450-4)
Friction coefficients in large tunnel
Am Soc Civ Engrs -- Proc
Hickox, G.H. (author) / Peterka, A.J. (author) / Elder, R.A. (author)
1947
20 pages
Article (Journal)
English
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