TAILIEUCHUNG - Statistics of Steel Weight of Highway Bridges

Statistics of Steel Weight of Highway Bridges Introduction Design Criteria Live Loads • Materials 54 Database of Steel Weights Statistics of Steel Weights Simply Supported Noncomposite Plate Girder Bridges • Simply Supported Composite Plate Girder Bridges • Simply Supported Box-Girder Bridges • Continuously Supported Plate Girder Bridges • Continuously Supported Box-Girder Bridges • Truss Bridges • Arch Bridges • Rahmen Bridges (Rigid Frames) • Cable-Stayed Bridges Regression Equations Comparisons Composite and Noncomposite Girders • Simply and Continuously Supported Girders • Framed Bridges • RC Slab and Steel Deck Shouji Toma Hokkai-Gakuen University, Japan Assessment of Bridge Design Deviation • Assessment of Design. | Toma S. Statistics of Steel Weight of Highway Bridges. Bridge Engineering Handbook. Ed. Wai-Fah Chen and Lian Duan Boca Raton CRC Press 2000 54 Statistics of Steel Weight of Highway Bridges Introduction Design Criteria Live Loads Materials Shouji Toma Hokkai-Gakuen University Japan Database of Steel Weights Statistics of Steel Weights Simply Supported Noncomposite Plate Girder Bridges Simply Supported Composite Plate Girder Bridges Simply Supported Box-Girder Bridges Continuously Supported Plate Girder Bridges Continuously Supported Box-Girder Bridges Truss Bridges Arch Bridges Rahmen Bridges Rigid Frames Cable-Stayed Bridges Regression Equations Comparisons Composite and Noncomposite Girders Simply and Continuously Supported Girders Framed Bridges RC Slab and Steel Deck Assessment of Bridge Design Deviation Assessment of Design Summary Introduction In this chapter a database of steel highway bridges is formed to assess designs by analyzing them statistically. No two bridges are exact replicas of each other because of the infinite variety of site conditions. Each bridge meets specific soil traffic economic and aesthetics conditions. The structural form the support conditions the length width and girder spacing pedestrian lanes and the materials all depend on a unique combination of design criteria. Even if the stipulated criteria are identical the final bridges are not as they naturally reflect the individual intentions of different designers. Therefore steel weight is a major interest to engineers. Steel weight of highway bridges is one of the most important of the many factors that influence bridge construction projects. The weight gives a good indication of structural economic and safety 2000 by CRC Press LLC features of the bridge. Generally the weight is expressed by as a force per square unit of road surface area tonf m2 or kN m2 . Stochastic distribution of the weight includes many influential factors to designs .

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