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Estimation of vehicle-induced bridge dynamic responses using fiber Bragg grating strain gages
Science Progress ( IF 2.1 ) Pub Date : 2019-09-29 , DOI: 10.1177/0036850419874201 Feng Xiao 1 , Dejian Meng 2 , Yang Yu 1 , Yong Ding 1 , Lijun Zhang 2 , Gang S Chen 3 , Wael Zatar 3 , J Leroy Hulsey 4
Science Progress ( IF 2.1 ) Pub Date : 2019-09-29 , DOI: 10.1177/0036850419874201 Feng Xiao 1 , Dejian Meng 2 , Yang Yu 1 , Yong Ding 1 , Lijun Zhang 2 , Gang S Chen 3 , Wael Zatar 3 , J Leroy Hulsey 4
Affiliation
In bridge health monitoring, monitoring of the dynamic response of the bridge can provide important data, such as the natural frequency, damping, or mode shape, which can be used for bridge model updating or damage identification.1–8 Traditionally, to monitor the dynamic responses of a bridge, a fiber Bragg grating (FBG) accelerometer,9 a force balanced accelerometer,10,11 or a wireless accelerometer12,13 are employed. However, these types of sensors can only provide acceleration, and additional sensors are required to monitor local information regarding the bridge, such as strain and displacement. With advances in sensing technology and enhanced sensitivity, strain gages, displacement sensors, and tiltmeters have been used for dynamic identification.14–17 The sensors can not only provide the strain, displacement, or tilt but also have the capability to work as an accelerometer to monitor dynamic responses and to be used for dynamic feature identification.
中文翻译:
使用光纤布拉格光栅应变计估计车辆引起的桥梁动力响应
在桥梁健康监测中,监测桥梁的动态响应可以提供重要的数据,例如固有频率、阻尼或振型,可用于桥梁模型更新或损伤识别。1-8传统上,为了监测桥梁的动态响应,采用光纤布拉格光栅 (FBG) 加速度计9力平衡加速度计10,11或无线加速度计12,13 。然而,这些类型的传感器只能提供加速度,并且需要额外的传感器来监测有关桥梁的局部信息,例如应变和位移。随着传感技术的进步和灵敏度的提高,应变计、位移传感器和倾斜计已被用于动态识别。14-17传感器不仅可以提供应变、位移或倾斜,还可以用作加速度计来监测动态响应并用于动态特征识别。
更新日期:2020-04-10
中文翻译:
使用光纤布拉格光栅应变计估计车辆引起的桥梁动力响应
在桥梁健康监测中,监测桥梁的动态响应可以提供重要的数据,例如固有频率、阻尼或振型,可用于桥梁模型更新或损伤识别。1-8传统上,为了监测桥梁的动态响应,采用光纤布拉格光栅 (FBG) 加速度计9力平衡加速度计10,11或无线加速度计12,13 。然而,这些类型的传感器只能提供加速度,并且需要额外的传感器来监测有关桥梁的局部信息,例如应变和位移。随着传感技术的进步和灵敏度的提高,应变计、位移传感器和倾斜计已被用于动态识别。14-17传感器不仅可以提供应变、位移或倾斜,还可以用作加速度计来监测动态响应并用于动态特征识别。