连续箱梁桥预应力加固施工监测及分析

Prestress reinforcement construction monitoring and analysis for continuous box girder bridge

通过在施工中安装锚索计测量预应力束的有效预应力的方法,进行了体内预应力及体外预应力张拉效果的影响因素方面的研究,提出了关于预应力加固施工的建议,以期指导实践。

Through installing anchor cable sensor measuring effective prestress method in construction,it studies factors influencing internal prestress and external prestress tension effect,and proposes suggestions about prestress reinforcement construction,with a view to guide practice.