Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Huge cast-iron pipe line carries cables under river
Construction of subaqueous crossing of 84-in. diam. cast-iron pipe, placed in 72-ft. sections with aid of specially designed " strong-back" and powerful floating derrick, for carrying 148 duct lines of New York Telephone Co., underneath Harlem River at 129th St., New York; jacketing pipe with concrete after it is lowered to place on bed of river.
Huge cast-iron pipe line carries cables under river
Construction of subaqueous crossing of 84-in. diam. cast-iron pipe, placed in 72-ft. sections with aid of specially designed " strong-back" and powerful floating derrick, for carrying 148 duct lines of New York Telephone Co., underneath Harlem River at 129th St., New York; jacketing pipe with concrete after it is lowered to place on bed of river.
Huge cast-iron pipe line carries cables under river
Construction Methods
Construction Methods ; 12
1930
3 pages
11 Figs.
Aufsatz (Zeitschrift)
Englisch
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