A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Highway tunnels
Two 32-ft diam rock tunnels, one 726 ft and other 1037 ft in length, form integral part of Clear Creek highway, 14 mi scenic route between Golden and point of intersection with Highway 40 near Idaho Springs, Colo; muck from tunnels is used in constructing roadway between portals of two bores; methods and equipment employed by contractor are illustrated.
Highway tunnels
Two 32-ft diam rock tunnels, one 726 ft and other 1037 ft in length, form integral part of Clear Creek highway, 14 mi scenic route between Golden and point of intersection with Highway 40 near Idaho Springs, Colo; muck from tunnels is used in constructing roadway between portals of two bores; methods and equipment employed by contractor are illustrated.
Highway tunnels
Construction Methods
1942
Article (Journal)
English
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