Results 181 to 190 of about 3,809 (231)

Blast Resistance of Steel Orthotropic Bridge Decks

Journal of Bridge Engineering, 2012
AbstractThe main objectives of this study were to: (1) study the response of bridge decks to blast effects resulting from an explosion on the deck; and (2) develop efficient technologies and systems that can be used in design and construction of bridges to enable them to survive blast attacks without collapse.
J. Son, A. Astaneh-Asl
openaire   +1 more source

INFLUENCE SURFACES FOR ORTHOTROPIC STEEL BRIDGE DECKS.

Proceedings of the Institution of Civil Engineers, 1975
An analytical method to produce influence surfaces for stiffened steel bridge decks is described. It uses dynamic relaxation to solve the finite difference form of the orthotropic small deflexion plate equations and employs A variable orthogonal mesh to ensure maximum economy of computer time and storage.
PJ DOWLING, AS BAWA
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Wearing Surfaces for Orthotropic Steel Bridge Decks

Transportation Research Record: Journal of the Transportation Research Board, 1999
In the state of Alaska, a six-span 884.5-m orthotropic steel bridge crosses the Yukon River at a 6 percent grade. The bridge is on a gravel road, it has a roadway width of 9.2 m, and the orthotropic steel deck is supported by two steel box girders 154.9 cm wide and 414.0 cm deep. The structure is expected to support the oil pipeline, a future gas line,
J. Leroy Hulsey, Liao Yang, Lutfi Raad
openaire   +1 more source

Cracks in Steel Orthotropic Decks

1990
Many cracks have been discovered in steel orthotropic decks during the past 12 years. They occurred either at the rib-to-deck plate junction or at the rib-to-floor beam junction, depending on local facts. Frequent inspections on a large number of decks allowed observation of their appearance and progress in order to set up a plan of action and repair ...
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Fatigue Assessment of Orthotropic Steel Bridge Decks

1990
Fatigue failures have occurred in the steel orthotropic decks of several bridges in Europe, some after little more than a decade in service. This has led not only to expensive inspection and repair procedures but has also highlighted the difficulty of assessing these decks, which lie outside the scope of most design codes.
C. Beales, J. R. Cuninghame
openaire   +1 more source

Monitoring fatigue effects in an orthotropic steel bridge deck

IABSE Reports, 2013
<p>The effect of fatigue is particularly relevant in steel bridges since the influence of traffic load cycles on serviceability limit stress values is very high if compared to relatively low dead weights.</p><p>Orthotropic steel decks, directly subjected to traffic loads, are very sensitive to fatigue: in most cases, fatigue defects ...
TECCHIO, GIOVANNI, DONA', MARCO, Casarin F., ISLAMI, KLEIDI, ZANINI, MARIANO ANGELO, PELLEGRINO, CARLO, MODENA, CLAUDIO   +6 more
openaire   +3 more sources

Numerical Evaluation of Toe-Deck Fatigue in Orthotropic Steel Bridge Deck

Journal of Performance of Constructed Facilities, 2015
AbstractSome toe-deck crack cases in China have been reported after about 10 years of service in suspension and beam bridge steel orthotropic decks with trough stiffeners. In this paper, a reference stress method used in design practice and a hot-spot stress method provided by the International Institute of Welding are used to investigate toe-deck ...
Rong Liu, Bohai Ji, Manman Wang, Ce Chen, Hirofum Maeno   +4 more
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Analysis of Orthotropic Steel Plate Bridge Decks

Journal of the Structural Division, 1969
A computer-oriented method for the analysis of orthotropic bridge decks is presented. The structure is idealized as a rectangular orthotropic plate which is continuous over simply supported, deformable floor beams. A finite element method is developed for the analysis of the idealized structure.
Graham H. Powell, David W. Ogden
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Steel Orthotropic Decks: Developments in the 1990s

Transportation Research Record: Journal of the Transportation Research Board, 1999
Recent developments in the field of steel orthotropic decks, which made possible the design of several recently completed highway bridges with record-breaking spans, are summarized. The more efficient, but fatigue sensitive, decks with closed ribs were prevalently used.
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Orthotropic Steel Plates for Bridge Deck Replacement

1990
A large number of our nation's bridges have reached the age where serious deterioration requires replacement of the roadway deck. Where first cost is the determining factor, replacement in kind—usually reinforced concrete—is the normally accepted method.
openaire   +1 more source