Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Crane uses "fingertip" in tunnel
Extension of 2-ft length, welded to 8-ton hydraulic crane telescoping boom enabled speeding up of erection of supporting steel in New York's new Sixth Avenue subway tunnel; stub made possible setting of cap beams with only 8 in. clearance between top of steel and roof of tunnel.
Crane uses "fingertip" in tunnel
Extension of 2-ft length, welded to 8-ton hydraulic crane telescoping boom enabled speeding up of erection of supporting steel in New York's new Sixth Avenue subway tunnel; stub made possible setting of cap beams with only 8 in. clearance between top of steel and roof of tunnel.
Crane uses "fingertip" in tunnel
Eng News -- Rec
Engineering News-Record ; 172
1964
Aufsatz (Zeitschrift)
Englisch
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