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Field Instrumentation and Measured Response of the I-295 Cable-Stayed Bridge: Part 1. Field Study of Live Load Responses; Final rept
| 题名： | Field Instrumentation and Measured Response of the I-295 Cable-Stayed Bridge: Part 1. Field Study of Live Load Responses; Final rept |
| 作者： | Duemmel, P. S.; Baber, T. T.; Barton, F. W.; McKeel, W. T. |
| 关键词： | Highway bridges; Cables(Ropes); Dynamic response; Dynamic loads; Field tests; Loads(Forces); Prestressed concrete; Motor vehicles |
| 摘要： | The report describes the results of a field study of the live load responses of a segmentally constructed prestressed concrete cable-stayed bridge. The main span of the test structure consists of twin box girders connected by delta frames. Known vehicular loadings were placed statically at various points along the bridge. Strains measured during this loading were compared with those obtained from finite element models of the bridge. Strain trends predicted by the finite element model were in good agreement with the measured strain trends. Quantitative agreement was fair, at least in part because of the high stiffness of the bridge and the limitations on the magnitude of load that could be applied. |
| 总页数： | 58p |
| 报告类型： | 科技报告 |
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