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随着运营时间的延伸和运营车辆的发展,装配式T梁横隔板开裂已经逐渐成为T梁桥的常见病害之一。本文结合天津市津围公路九王庄大桥T梁横隔板二次加固维修方案采用体外预应力钢棒横向联接加固,并监控测定了加固前后梁体关键指标,监控数据反应出该加固方法恢复横向联系效果良好,供同类工程参考。
With the extension of operation time and the development of operation vehicles, cracking of the prefabricated T-beam diaphragm has gradually become one of the common diseases of the T-beam bridge. In this paper, Tianjin Jin Wai Road Jiu Wangzhuang Bridge T beam diaphragm reinforcement repair program using external prestressed steel bar transverse connection reinforcement, and monitoring the measured before and after the reinforcement of the key indicators, the monitoring data reflect the reinforcement method recovery Horizontal contact with good results for similar projects for reference.