Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Oil hydraulic system for tunnelling shields
Tunneling shields for Toronto subway project are entirely self-contained except for electric power cables brought in; two separate oil hydraulic systems are built into shield, to move it forward, erect lining segments, and adjust working platforms; two shields are 25 ft 9 in. in diam for 24 ft ID tunnels, and four are 17 ft 6 in. in diam for 16-ft ID tunnels; circuits and load balancing valve diagrams.
Oil hydraulic system for tunnelling shields
Tunneling shields for Toronto subway project are entirely self-contained except for electric power cables brought in; two separate oil hydraulic systems are built into shield, to move it forward, erect lining segments, and adjust working platforms; two shields are 25 ft 9 in. in diam for 24 ft ID tunnels, and four are 17 ft 6 in. in diam for 16-ft ID tunnels; circuits and load balancing valve diagrams.
Oil hydraulic system for tunnelling shields
Engineer
Engineer ; 210
1960
4 pages
Aufsatz (Zeitschrift)
Englisch
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