体外预应力加固法由于众多的优点而成为桥梁上部结构加固的首选方法。
The external prestressing strengthening method has become the first-selected method in the bridges upper structure strengthen because of its numerous advantages.
介绍了南洋河大桥的工程概况，并根据桥的使用状况提出了采用体外预应力竖向张拉法来加固旧T梁的设计构想和应遵循的设计原则。
The engineering situation of Nanyang river bridge is introduced and the idea of adopting external prestress vertical tension method to reinforce t beam and design principle are proposed.
结构加固中，柱优先采用加大截面法，梁采用综合加固法，板采用体外预应力法。
Section increasing method is given priority to apply to the corroded columns, and then the comprehensive method to the beams, external prestressing method to the slabs.
结构加固中，柱优先采用加大截面法，梁采用综合加固法，板采用体外预应力法。
Section increasing method is given priority to apply to the corroded columns, and then the comprehensive method to the beams, external prestressing method to the slabs.
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