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PERFORMANCE OF GLASS FIBER-REINFORCED POLYMER DECK ON STEEL GIRDER BRIDGE.
| 题名： | PERFORMANCE OF GLASS FIBER-REINFORCED POLYMER DECK ON STEEL GIRDER BRIDGE. |
| 作者： | Chajes-MJ; Shenton-HW-III; Finch-WW Jr. |
| 关键词： | Bridge-decks; Corrosion-resistance; Delaware-; Dump-trucks; Dynamic-loads; Field-tests; Girder-bridges; Glass-fiber-reinforced-plastics; Glass-fiber-reinforced-polymer; High-strength; Lightweight-materials; Load-tests; Performance-; Properties-of-materials; Rehabilitation-Maintenance; Semistatic-loads; Static-loads; Steel-; Stiffness- |
| 摘要： | Because of the continued deterioration of U.S. bridges combined with the increasing cost of bridge maintenance, the U.S. bridge inventory continues to experience a backlog of structurally deficient bridges. One potential solution is the implementation of new high-performance materials. Because of their many beneficial characteristics, including being lightweight, having high strength- and stiffness-to-weight ratios, and being corrosion resistant, advanced polymer composites represent one such alternative. In 1999 the Delaware Department of Transportation rehabilitated a deteriorated concrete slab-on-steel girder bridge by removing the concrete slab and replacing it with a lightweight glass fiber-reinforced polymer (GFRP) deck. In the rehabilitation, the existing abutments were slightly modified and the original steel girders were retained. On July 28, 1999, a diagnostic load test of the bridge was performed using a fully loaded 10-wheel dump truck. The test included stationary load cases, semistatic load passes, and dynamic load passes. The details of the GFRP slab-on-steel girder bridge as well as the bridge performance as determined from the field load test are presented. |
| 总页数： | Transportation Research Record. 2001. (1770) pp105-112 (1 Phot., 8 Fig., 18 Ref.) |
| 报告类型： | 科技报告 |
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