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原文传递 Barges Rotate Truss For Smithland Bridge Construction

题名：	Barges Rotate Truss For Smithland Bridge Construction
正文语种：	eng
作者：	SHELLEY BYRNE
摘要：	Construction of the steel superstructure of a new bridge over the Cumberland River at Smithland is near-ing the halfway point and just reached a major milestone. On December 29, crews aboard two vessels worked in tandem to move barges supporting each end of the span out into the Tennessee River and rotate it before moving it back in place at the Paducah-McCraeken Riv-erport Authority, where it is being built. When completed, the steel truss will be 700 feet long and 48 feet wide. The truss is being built atop four jumbo barges and three 120-foot barges, provided by Paducah Barge and McDonough Marine Service. James Marine reinforced the jumbo barges to be able to handle the load. It already weighs 3.2 million pounds, with another 1.2 million pounds of falsework, the temporary support members, said Scott Swamback, project manager for American Bridge Company, the subcontractor on the project responsible for the steel structure. Jim Smith Contracting Company is the contractor for the $63.6 million Kentucky Transportation Cabinet bridge at Cumberland River Mile 2.7. The truss must be pushed to the center of the river and rotated five more times before the truss assembly is completed in February. Bolting and a punch list of miscellaneous items must then be completed. It will be painted Kentucky Blue between March and July before it is floated down the Tennessee and then up the Ohio to the site on the Cumberland this summer.
出版年：	2022
期刊名称：	The Waterways Jouranl
卷：	135
期：	39
页码：	5-5