A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Pneumatic concrete placers speed lining of small tunnels
Concrete lining of four tunnels of San Diego, Calif, aqueduct was pneumatically placed; concrete placers were designed to disseminate air through concrete to prevent segregation of materials; equipment, assembled in train, was arranged for effective operation in tunnels of small diameter.
Pneumatic concrete placers speed lining of small tunnels
Concrete lining of four tunnels of San Diego, Calif, aqueduct was pneumatically placed; concrete placers were designed to disseminate air through concrete to prevent segregation of materials; equipment, assembled in train, was arranged for effective operation in tunnels of small diameter.
Pneumatic concrete placers speed lining of small tunnels
Eng News-Rec
Engineering News-Record ; 138
1947
3 pages
Article (Journal)
English
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