Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Geology of city tunnel, Greater Boston, Massachusetts
City tunnels described are part of water supply system in Metropolitan Boston, are ranging in depth from 233 to 446 ft beneath ground surface, and are entirely in bedrock; inner diameter of concrete lining of main tunnel is 12 ft, that of branch tunnel is 10 ft; tunnel is entirely in Boston Bay Group, except for some mafic (diabasic) dike rocks; 109 mafic (diabase) dikes were recorded; with few exceptions they dip steeply, but strikes were not recorded; width averages about 5 ft.
Geology of city tunnel, Greater Boston, Massachusetts
City tunnels described are part of water supply system in Metropolitan Boston, are ranging in depth from 233 to 446 ft beneath ground surface, and are entirely in bedrock; inner diameter of concrete lining of main tunnel is 12 ft, that of branch tunnel is 10 ft; tunnel is entirely in Boston Bay Group, except for some mafic (diabasic) dike rocks; 109 mafic (diabase) dikes were recorded; with few exceptions they dip steeply, but strikes were not recorded; width averages about 5 ft.
Geology of city tunnel, Greater Boston, Massachusetts
Boston Soc Civ Engrs -- J
Tierney, F.L. (Autor:in) / Billings, M.P. (Autor:in) / Cassidy, M.M. (Autor:in)
1968
37 pages
Aufsatz (Zeitschrift)
Englisch
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