以钢结构设计原理中的极限状态设计法或容许应力法为基础，阐述了预应力加固钢结构的分阶段加固设计计算原理和方法。

Based on limit-state design method in steel structure design principle, the principle and method of phased strengthening design of steel structures strengthened by prestressing is represented here.

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以钢结构设计原理中的极限状态设计法或容许应力法为基础，阐述了预应力加固钢结构的分阶段加固设计计算原理和方法。

Based on limit-state design method in steel structure design principle, the principle and method of phased strengthening design of steel structures strengthened by prestressing is represented here.

youdao