1) 截面补强法：

1 section reinforcement method:

在局部或沿构件全长以钢材补强，连成整体使之共同受力；

At the local or along the full length of the component to steel reinforcing, and even the joint force of the whole;

2) 改变计算简图：

2) change calculation diagram:

增设附加支承，调整荷载分布情况，降低内力水平，对超静定结构支座进行强迫位移，降低应力峰值；

Additional support is added to adjust the load distribution, reduce the level of internal force, to statically indeterminate structure bearing forced displacement, reduce the peak stress;

3) 预应力拉索法：

3) prestressed cable method:

利用高强拉索加固结构薄弱环节或提高结构整体承载力、刚度和稳度。

Using high strength cable to strengthen the weak link of the structure or to improve the overall carrying capacity, stiffness and stability of the structure.

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