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Non-Destructive Evaluation of Prestress Forces in an Actual Bridge

Non-Destructive Evaluation of Prestress Forces in an Actual Bridge
实际桥梁预应力的无损评估
批准号：
8900266
负责人：
Mehdi Saiidi
金额：
$2.99万
依托单位：
Board of Regents, NSHE, obo University of Nevada, Reno
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1988
资助国家：
美国
项目状态：
已结题
起止时间：
1988-11-15 至 1990-10-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=8900266&HistoricalAwards=false
关键词：
NonDestructiveEvaluationPrestressForces

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中文摘要
翻译
这是一个创新的项目，它将研究通过以不同的间隔振动整个桥梁并将后续观测数据与原始数据进行比较来确定预应力梁筋中预应力损失量的可行性，从而确定预应力损失率和总损失率。
英文摘要
This is an innovative project which will investigate the feasibility of determining the amount of loss of prestress in the tendons of a prestressed girder by vibrating the entire bridge at various intervals and comparing the data from subsequent observations to the original data, thus establishing a rate of loss and total loss of the prestressing force.
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会议论文
PFI: Sustainable Highway Bridges with Novel Materials and Deconstructible Components
SGER: Joint US-Slovenia Study of Simple Modeling of Bridge Seismic Response
FHWA/NSF Workshop: Future Directions for Long-Term Bridge Performance Monitoring, Assessment, and Management; held Las Vegas, Nevada, 2007.
NEESR-SG; Seismic Performance of Bridge Systems with Conventional and Innovative Materials
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