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首页> 外文期刊>International Journal of Sustainable Materials and Structural Systems >Assessment of fibre optic strain gauges for field use in India
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Assessment of fibre optic strain gauges for field use in India

机译：评估印度现场使用的光纤应变仪

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摘要

The commissioning and evaluation of a fibre optic strain sensor system for the structural health monitoring of a pre-stressed concrete post-tensioned box girder railway bridge in operational use in Mumbai, India, is described. Preliminary laboratory trials to identify the most appropriate sensor system are detailed followed by a description of the load tests on the actual bridges which were undertaken in collaboration with Indian railways. Results from the load tests using the optical system are compared with similar results obtained using electrical resistance strain gauges. Conclusions are drawn concerning the integrity of the structure and for the future use of the sensor system for monitoring bridges of this type. Crack width measurements obtained during the load tests are also summarised.
机译：描述了用于在印度孟买投入运营的预应力混凝土后张式箱梁铁路桥梁结构健康监测的光纤应变传感器系统的调试和评估。详细介绍了初步实验室试验，以确定最合适的传感器系统，然后描述了与印度铁路公司合作对实际桥梁进行的载荷测试。将使用光学系统的负载测试结果与使用电阻应变仪获得的类似结果进行比较。得出有关结构完整性和传感器系统将来用于监视此类桥梁的结论。还总结了在载荷测试期间获得的裂缝宽度测量值。

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