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A platform for research: civil engineering, architecture and urbanism
Novel form design for concrete tunnel
Pasadena vehicular tunnel will burrow 1500 ft under waters of ship channel and tunnel under land for 2236 ft; bottom of excavation is 80 ft below mean elevation of ship channel with quicksand as added hazard; special steel forms were designed which permitted pouring complete shell for tunnel in first form poured; concrete was placed for invert first, then for arch and finally for roadway and side wall.
Novel form design for concrete tunnel
Pasadena vehicular tunnel will burrow 1500 ft under waters of ship channel and tunnel under land for 2236 ft; bottom of excavation is 80 ft below mean elevation of ship channel with quicksand as added hazard; special steel forms were designed which permitted pouring complete shell for tunnel in first form poured; concrete was placed for invert first, then for arch and finally for roadway and side wall.
Novel form design for concrete tunnel
Concrete
Concrete ; 57
1949
Article (Journal)
English
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