deck truss

deck truss

[′dek ‚trəs]
(civil engineering)
The frame of a deck.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The structure consisted of two back-to-back suspension spans, a tunnel on Yerba Buena Island, a cantilevered truss span, and several through and deck truss spans.
The impetus for the project was the collapse of the Interstate 35W bridge in Minneapolis on August 1, 2007, when a thousand feet of the bridge's main deck truss collapsed, part of it falling 108 feet into the Mississippi River.
Among the topics are the cable-stayed bridge across the River Sava in Belgrade, incorporating climate change predictions in the hydraulic analysis of bridges, new tools for inspecting gusset plates, deck truss bearing rehabilitation for the Benjamin Franklin Bridge, the rapid replacement of bridges using modular systems, identifying and sharing best practices in bridge maintenance and management, and examining the forms of Hudson River bridges.
NTSB claims that the bridge's collapse was the result of the under-design of certain gusset plates (metal plates used to connect structural members of a truss and hold them in position at a joint) at six nodes of the deck truss. These should have been an inch thick but, instead, were only half that.
Another case study of a 97.5-m long open deck bridge located in Western Canada consisted of one 46-m deck truss, and three deck plate girders measuring 21.8 m, 15 m and 11.7 m in length, two of which are suspended and connected to stringers projecting beyond the end floor beams at each end of the deck truss.
But the study concluded that "fatigue cracking of the deck truss is not likely" and that replacement of the bridge "may be deferred."
But a hands-on inspection of Oregon's 47 steel deck truss bridges prudently ordered by Gov.
Old bridge structures with combinations of high truss, deck truss and girders provide substrata for a variety of epifaunal organisms including barnacles, mussels and hydroids.
Steinman, the Kingston-Rhinecliff Bridge is one of the country's longest continuous deck truss bridges.
The 27 in the state that were built with the steel deck truss design of the failed Minnesota bridge will get a closer look under a federal alert issued on Thursday.