A series of experiments was conducted in order to elucidate effects of correction by heating/pressing on mechanical behavior of steel bridge piers. Local buckling deformation of specimens due to loading considering the situation of an earthquake was corrected by heating/pressing, with or without water-cooling. Some out-of-plane deformations were inevitably left to avoid cracking in the welds. This geometric imperfection was defined as residual imperfection. After the correction, the same loading experiment was conducted. From the results, no deterioration was confirmed in mechanical properties of the steel even with water-cooling only if heating temperature was kept below A₁ transformation temperature. Although it is ideal to have local buckling deformation repaired within the allowance of initial deflection in correction by heating/pressing, it was elucidated that making the residual imperfection mode opposite to local buckling mode was reasonable for guarantee of the maximum load of the corrected structure.

中文翻译：

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加热/加压校正对钢桥墩力学性能的影响

为了阐明通过加热/加压对钢桥墩力学行为的校正作用，进行了一系列实验。考虑到地震情况的荷载引起的试样局部屈曲变形通过加热/加压（有或没有水冷）进行校正。为了避免焊缝开裂，不可避免地会产生一些面外变形。将该几何缺陷定义为残余缺陷。校正后，进行了相同的加载实验。根据该结果，仅在加热温度保持在A ₁以下的情况下，即使进行水冷，也没有确认钢的机械特性的劣化。转变温度。尽管理想的是在通过加热/加压进行校正的初始挠度范围内修复局部屈曲变形，但已阐明使残余缺陷模式与局部屈曲模式相反对于保证修正结构的最大载荷是合理的。