封面
声明
致谢
中文摘要
英文摘要
目录
图清单
表清单
变量注释表
1 绪论
1.1研究背景和研究意义(Research Background and Significance)
1.2研究现状及分析(Research Statues and Analysis)
1.3研究内容与目标(Research Contents and Objectives)
1.4研究技术路线(Techincal Lines)
2 混凝土握裹钢绞线中声发射传播的衰减模型
2.1声发射监测技术(Acoustic Emission Monitoring Technology)
2.2声发射信号的衰减(Acoustic Emission Attenuation)
2.3试验方案(Plan of Experimental)
2.4试验结果和分析(Experimental Results and Analysis)
2.5声发射随传播距离而衰减的基本模型(Basic Models of AE Attenuation with Propagation Length)
2.6 包裹混凝土状况对声发射衰减的影响系数模型(Influence Coefficients Models of Wrapped Concrete Status on AE Attenuation)
2.7声发射衰减的综合模型(General Models of AE Attenuation)
3 疲劳耦合下钢绞线的腐蚀速率模型
3.1疲劳试验加载与测试方法(Loading and Testing Methods of Fatigue)
3.2试验方案(Plan of Experimental)
3.3疲劳耦合下钢绞线的腐蚀电流密度(Corrosion Current Density of Steel Strands in Prestressed Concrete Structures with Fatigue Effect) 3.3.1 腐蚀电位与腐蚀电流密度的相关关系
3.4疲劳耦合下钢绞线腐蚀速率模型(Corrosion RateModels of SteelStrands in Prestressed Concrete Structures with Fatigue Effect)
3.5 本章小结(Summary)
4 疲劳耦合下钢绞线的坑蚀特征
4.1试验方案(Plan ofExperimental)
4.2钢绞线的腐蚀形态(Corrosion Character of Steel Strands)
4.3蚀坑分布特征(Distributional Characteristics of Pits)
4.4钢绞线蚀坑三维尺寸分布特征(Distribution Character of Three-dimensional Sizes of Corrosion Pits on Steel Strand)
4.5蚀坑体积损伤分布特征(Distribution Characteristics of Damage Parameter in Corrosion Pits)
4.6蚀坑力学损伤指数分布特征(DistributionCharacteristics of MechanicalDamageIndexin CorrosionPit)
4.7 本章小结(Summary)
5 腐蚀耦合下钢绞线的疲劳损伤特征及演化规律
5.1氯盐腐蚀下钢绞线的腐蚀疲劳机理探讨(The Mechanism of Corrosion Fatigue of The Strand Under The Chloride Corrosion)
5.2盐腐蚀下钢绞线的疲劳损伤累积理论(Corrosion Fatigue Damage Accumulation Theory of Strand with Chloride)
5.3疲劳损伤声发射监测试验研究(ExperimentalInvestigationof AE Monitor with Fatigue Damage)
5.4腐蚀疲劳损伤进程(ProcessofCorrosion fatigue damage)
5.5 腐蚀疲劳损伤的声发射参数表征(Relationship between AE Parameters andStrandDamageAccumulation)
5.6 本章小结(Summary)
6 腐蚀疲劳耦合作用下钢绞线的受拉性能研究
6.1试验目的(Experimental Objective)
6.2 试件来源(Specimen Source)
6.3试验内容及方法(Experimental Contents and Methods)
6.4腐蚀疲劳钢绞线的静力拉伸性能(Properties of Static Tensile of Corrosion Fatigue Steel Strand)
6.5腐蚀疲劳钢绞线的静力断裂形态(StaticFractureMorphology of Corrosion Fatigue Steel Strand)
6.6 腐蚀疲劳钢绞线的受拉性能退化机理(Mechanism of MechanicalPerformanceDegradationof Corrosion Fatigue Steel Strand)
6.7 小结(Summary)
7 结论与展望
7.1 本文结论(Conclusions)
7.2未来工作展望(Prospect for theFuture Research)
参考文献
作者简历
学位论文数据集