Development of bridge vibration evaluation system by using physiological information

提出桥梁振动对人体影响的评价方法具有重要意义。本研究借由测量人行天桥使用者生理资讯的实验，提出人行天桥使用性能的评估技术。实验中同时测量了人行天桥和使用者的振动，研究了振动特性与生物脉搏波的关系。结果表明，随着人行天桥位移幅值的增大，使用者的不愉快感也随之增大;当使用者的步速与人行天桥的固有频率一致时，使用者的生物脉搏波发生了较大的变化。

It is important to propose the evalutation technique of influence which a human body receives due to variety bridge vibration. In this study, the experiment to measure physiological information of pedestrian bridges user was performed in order to propose evaluation technique of serviceability of pedestrian bridges. In the experiment, the vibration of both pedestrian bridges and user were measured simultaneously, the relation of both vibration characteristic and the biological pulse wave have been investigated. As the result, it is found that the user's displeasure also becomes larger as displacement amplitude of pedestrian bridges becomes large, and the biological pulse wave of user changes a lot when user's walking pace is in agreement with natural frequencies of pedestrian bridges.