Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Extruded prestressed beams in dense and lightweight concrete
Concrete produced by Butterley Co, Derbyshire, Great Britain, is extruded from traveling machine, pneumatically driven from overhead gantry; beams are formed on flat concrete beds in continuous lengths of 300 ft; when beam is cured it is automatically fed to saw table where it is cut to required length.
Extruded prestressed beams in dense and lightweight concrete
Concrete produced by Butterley Co, Derbyshire, Great Britain, is extruded from traveling machine, pneumatically driven from overhead gantry; beams are formed on flat concrete beds in continuous lengths of 300 ft; when beam is cured it is automatically fed to saw table where it is cut to required length.
Extruded prestressed beams in dense and lightweight concrete
Surveyor
Surveyor ; 116
1957
Aufsatz (Zeitschrift)
Englisch
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