Health monitoring system of prestressed concrete lining structure

The utility model discloses a health monitoring system of a prestressed concrete lining structure, which is suitable for a shield tunnel with prestressed reinforced concrete as an inner lining and a duct piece as an outer lining, and comprises a monitoring sensor, a data acquisition unit and a monitoring computer which are connected in sequence, the monitoring sensor comprises a distributed optical fiber, an optical fiber grating type bolt stress meter, an optical fiber grating type joint meter, a vibrating wire type steel bar stress meter, a vibrating wire type concrete strain meter, a vibrating wire type stress-free meter, a vibrating wire type joint meter and a magnetic flux sensor. According to the utility model, real-time monitoring of the tunnel is realized, and further optimization and construction schemes are guided. 本实用新型公开了一种预应力混凝土衬砌结构的健康监测系统，适用于以预应力钢筋混凝土做内衬，管片做外衬的盾构隧道，包括，依次连接的监测传感器、数据采集单元及监测计算机；所述监测传感器包括分布式光纤、光纤光栅式螺栓应力计、光纤光栅式测缝计、振弦式钢筋应力计、振弦式混凝土应变计、振弦式无应力计、振弦式测缝计及磁通量传感器。本实用新型实现了对隧道的实时监控，对进一步优化和施工方案起