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Hinged forms and hydraulic traveler are concreting squirrel hill tunnel
7680 ft of tunnel to be lined with concrete, using special steel forms; tunnels, spaced 60 ft c to c, will each carry 24-ft roadway and 2-ft 7 1/2-in. service walk; tunnel lining forms permit placement of concrete in one continuous operation; illustrated description of forms and concreting procedure.
Hinged forms and hydraulic traveler are concreting squirrel hill tunnel
7680 ft of tunnel to be lined with concrete, using special steel forms; tunnels, spaced 60 ft c to c, will each carry 24-ft roadway and 2-ft 7 1/2-in. service walk; tunnel lining forms permit placement of concrete in one continuous operation; illustrated description of forms and concreting procedure.
Hinged forms and hydraulic traveler are concreting squirrel hill tunnel
Construction Methods Equipment
1950
2 pages
Article (Journal)
English
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