Kou kouzou rombunshuu
Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
Development of Control System of Lifting loads by Floating Cranes in Erection
Haruyuki SAKODATakeshi EGAMIYutetu SAKAI
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1995 Volume 2 Issue 5 Pages 17-26


The Rokko Island Bridge is a double deck steel arch bridge. It has 215.35m single span length and weights about 7, 000 tons. The bridge was assembled in a fabrication yard by the sea, and then lifted up, transported and erected as a whole bridge in 1992 by cooperation of three floating cranes. A new control system was developed and employed in order to ensure the safety of the bridge during erection. Lifting loads acting on each hooks of three floating cranes were measured and adjusted by the system. This paper presents this new control system.

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© Japanese Society of Steel Construction
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