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Field Performance of Timber Bridges. 18. Byron Stress-Laminated Truss Bridge
| 题名： | Field Performance of Timber Bridges. 18. Byron Stress-Laminated Truss Bridge |
| 作者： | Dagher, H. J.; Altimore, F. M.; Caccese, V.; Ritter, M. A. |
| 关键词： | Truss bridges; Wooden bridges; Field tests; Performance tests; Performance evaluation; Bridges(Structures); Design; Construction; Monitoring; Moisture content; Static loads; Structural analysis |
| 摘要： | The Byron bridge was constructed in the fall of 1993 in Byron, Maine. The bridge is a single-span, two-lane, stress-laminated truss structure approximately 46 ft long and 32 ft wide. The truss laminations were produced using chromated-copper- arsenate- (CCA-) treated Southern Pine connected with metal plate connectors. This report includes information on the design, construction, and field performance of the bridge. Field performance was monitored for approximately 5 years, beginning shortly after bridge construction. Performance monitoring involved collecting and evaluating data relative to wood moisture content, force level of stressing bars, behavior under static truck loading, and overall structural condition. The field evaluations showed that the Byron bridge is performing well, with no structural or serviceability deficiencies. |
| 总页数： | 26p |
| 报告类型： | 科技报告 |
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