声明
致谢
变量注释表
1. 绪论
1.1 研 究 背 景 与 研 究 意 义 (Research Background and Significance)
1.2 国内外研究现状(Domestic and foreign status)
1.3 主要研究内容(The main research contents)
1.4 技术路线(Technical route of this article)
2. 坑蚀对钢材抗拉性能影响的试验研究
2.1 引言(Introduction)
2.2 试验方案(Testing program)
2.3 断裂位置分析(Fracture location analysis)
2.4 荷载-位移曲线(Load displacement curve)
2.5 力学性能分析(Mechanical analysis)
2.6 伸长率及极限荷载预测经验模型(Empirical model for prediction of elongation and ultimate load)
2.7 本章小结(Chapter summary)
3. 含蚀坑钢材数值模拟分析及延性断裂模型
3.1 引言(Introduction)
3.2 钢材单轴拉伸试验有限元模拟(Finite element simulation of steel under uniaxial tension test)
3.3 光滑钢板单向拉伸有限元模拟结果(Finite element simulation results of smooth steel plate under uniaxial tension test)
3.4 含单蚀坑钢板有限元模拟(FE simulation of steel plate with one corrosion pit)
3.5 含多蚀坑钢板有限元模拟(The FE simulation of steel plate with multi corrosion pits)
3.6 含蚀坑钢板延性断裂模型(Fracture model of steel plate with corrosive pits)
3.7 本章小结(Chapter summary)
4. 荷载与地下环境耦合作用下锈蚀钢材表面特征研究
4.1 引言(Introduction)
4.2 锈蚀钢材表面形貌获取(Obtaining surface morphology of corroded steel)
4.3 锈蚀表面形貌特征及分形表征(Corrosion surface morphology and fractal characterization)
4.4 锈蚀钢材剩余厚度统计分析及概率模型(Statistical analysis and probability model of remaining thickness of corroded steel)
4.5 本章小结(Chapter summary)
5. 荷载与地下环境耦合作用下锈蚀钢材力学性能研究
5.1 引言(Introduction)
5.2 试验概况(Test overview)
5.3 锈蚀率发展规律及预测模型(Development of corrosion ratio and prediction model)
5.4 拉伸试件断裂形态(Fracture morphology of tensile specimen)
5.5 荷载位移曲线退化规律(Degradation law of load displacement curve)
5.6 力学性能退化规律及预测模型(Degradation law and prediction model of mechanical properties)
5.7 本章小结(Chapter summary)
6. 荷载与地下环境耦合作用下 H 型钢梁承载力试验研究及有限元分析
6.1 引言(Introduction)
6.2 试验概况(Test overview)
6.3 试验结果及分析(Test results and analysis)
6.4 锈蚀H型钢梁承载性能有限元分析(Finite element simulation on bearing behavior of corroded H steel beam)
6.5 本章小结(Chapter summary)
7. 荷载与地下环境耦合作用下 H 型钢梁承载力计算模型及其可靠性分析
7.1 引言(Introduction)
7.2 锈蚀钢梁极限承载力及跨中挠度 BP 神经网络预测模型(BP nerve network predicted model of ultimate load and mid-span deflection of corrosive steel beam)
7.3 基于BP神经网络锈蚀钢梁荷载位移曲线模型(Load-displacement curve model of corrosive beam based on BP neural network)
7.4 承载力计算的平均截面法(Average section method for calculation of bearing capacity)
7.5 承载力计算的考虑应力的平均截面法(The method of average section considering stress for calculation of bearing capacity)
7.6 锈蚀H型钢梁可靠度指标分析(Reliability index analysis of corrosive H steel beam)
7.7 本章小结(Chapter summary)
8.1 结论(Conclusions)
8.2 创新点(Innovation)
8.3 未来工作展望(Prospects for future work)
参考文献
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