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Construction stresses in the world's first precast concrete network arch bridge
| 题名： | Construction stresses in the world's first precast concrete network arch bridge |
| 其他题名： | 1.Salonga,J.2010."Innovative Systems for Arch Bridges Using Ultra High-Performance Fibre-Reinforced Concrete."PhD thesis,University of Toronto,Toronto,ON,Canada. |
| 正文语种： | 英文 |
| 作者： | Hossein Yousefpour |
| 关键词： | Accelerated bridge construction;arch;bridge;monitoring;network arch;post tensioning |
| 摘要： | This paper reports some of the major findings from the instrumentation of the West Seventh Street Bridge in Fort Worth, Tex. This innovative bridge, completed in 2013 as a replacement for a century-old bridge, consists of 12 prestressed, precast concrete network arches. The bridge was instrumented with 224 vibrating-wire gauges that were embedded in the arches prior to concrete placement. The gauges were monitored during posttensioning, handling, and transport as well as deck construction. The instrumentation provided data on the stresses induced in the arches, which were used to ensure a safe environment throughout construction. The measurements also provided a means for evaluating the accuracy of stress calculations that were made during design. The results obtained from this study provide a unique insight into the behavior of concrete arches built by an accelerated construction method. |
| 出版年： | 2015 |
| 论文唯一标识： | J-30Y2015V60N05025 |
| 英文栏目名称： | PCI Journal's 60th Anniversary |
| 期刊名称： | PCI-Prestressed Concrete Institute Journal |
| 拼音刊名(出版物代码)： | J-30 |
| 卷： | 60 |
| 期： | 05 |
| 页码： | 30-47 |
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