Friction Measurements in the Apalachia Tunnel

by Rex A. Elder,

Serial Information: Transactions of the American Society of Civil Engineers, 1958, Vol. 123, Issue 1, Pg. 1249-1274

Document Type: Journal Paper


Five months after initial filling, and again in 1954, five months after inspection; methods used in reducing both sets of data; results presented in terms of friction coefficient; description of each type of surface for which coefficients could be calculated. Supplement to paper indexed in Engineering Index 1947 p 1230.

Subject Headings: Tunnels | Inspection | Friction | Computing in civil engineering

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