体外预应力法加固预应力混凝土T梁

On consolidation of prestressed concerte T beam with external prestressing strengthening method

针对桥梁病害现象,介绍了应用体外预应力法加固预应力混凝土T梁的方法,并从加固前和加固后两方面分析比较了其加固效果,总结了加固施工中的注意事项,满足T梁主拉应力的规范要求。

According to the diseases on bridges, the paper introduces the application of the external prestressing strengthening method to consolidate the prestressed concrete T beam, compares its consolidation effect before and after the consolidation, and sums up the precautions in the consolidation construction, so as to enhance the regulation demands for the principal tensile stress of T beam.