
作者:吴赛赛
页数:132
出版社:冶金工业出版社
出版日期:2020
ISBN:9787502483241
电子书格式:pdf/epub/txt
内容简介
针对深部多属性环境协同作用下锚固材料应力腐蚀损伤开裂的问题,从环境、锚固材料的受力特征以及材料材质三个维度揭示影响锚固材料应力腐蚀损伤的内部和外部因素。基于AmericaSocietyforTestingandMaterialInternational实验标准构建锚固材料应力腐蚀开裂的实验方法,并将深部多属性环境协同作用以“腐蚀细胞”进行实验室模拟,确定深部不同环境因素对锚固材料应力腐蚀开裂的影响。通过检测并对比锚固材料现场失效以及实验室失效试样的微观断裂表面特征,揭示深部锚固材料断裂机制和扩展演化规律。研
作者简介
吴赛赛,男,西安建筑科技大学副教授,硕士生导师。博士毕业于澳大利亚新南威尔士大学(全球排名前50),该校矿业工程学科在2018-2019QS全球学科排名中名列第五,导师SerkanSaydam教授。2018年3月至2018年9月,在澳大利亚新南威尔士大学矿业工程学院从事博士后工作6个月。2018年10月7日,以青年拔尖人才受聘西安建筑科技大学资源工程学院。目前以第一作者身份发表5篇JCR分区一区以及2篇JCR分区二区的本领域高水平期刊论文。主持西安建筑科技大学人才基金1项,主持陕西省教育厅基金1项,主持河南省地下空间开发及诱发灾变防治国际联合实验室基金1项,参与澳大利亚国家级政企联合项目2项。主要研究领域为岩层控制、锚固结构耐久性、应力腐蚀、采矿工程。
目录
1Introduction………………………………………………………………………11 1GlobalMiningIndustry……………………………………………………11 2GroundControl2…………………………………………………………21 3StressCorrosionCrackingFailuresinUndergroundMines…………31 4ObjectivesandApproaches………………………………………………51 5Significanceoftheresearch
………………………………………………62AReviewofCableBolts,CorrosionandStressCorrosionCracking………82 1Introduction…………………………………………………………………82 2GeologicalStressEnvironmentinUndergroundCoalMining…………82 2 1LongwallMiningMethod………………………………………………82 2 2GeologicalStressConditions……………………………………………92 3GroundSupportTechnologiesinUndergroundCoalMines
…………132 3 1AnchoringTechnology…………………………………………………132 3 2TheHistoryofCableBolts……………………………………………182 3 3SurfaceControls………………………………………………………212 4Corrosion…………………………………………………………………222 4 1LocalisedCorrosion……………………………………………………232 4 2MicrobiologicallyInfluencedCorrosion………………………………252 4 3StressCorrosionCracking……………………………………………282 5FactorsAffectingCorrosioninUndergroundCoalMines
……………302 5 1AtmosphericConditions………………………………………………302 5 2Groundwater……………………………………………………………322 5 3MineralogicalInfluenceonCorrosion…………………………………382 6InvestigationofStressCorrosionCrackingofCableBolts…………392 6 1StressCorrosionCrackinginPrestressedConcreteStructures………392 6 2StressCorrosionCrackinginUndergroundMines……………………412 7Discussion…………………………………………………………………46校样Ⅷ
3EnvironmentalCharacterisationofStressCorrosionCrackinginASimulatedMineEnvironment……………………………………………………………483 1Introduction………………………………………………………………483 2ExperimentalProgram……………………………………………………493 2 1Groundwater,CoalandClaySamples………………………………493 2 2Specimens……………………………………………………………503 2 3TestingEnvironments…………………………………………………503 3ResultsandDiscussion
…………………………………………………533 3 1WeightLossoftheSpecimens…………………………………………533 3 2WaterChemistryAnalysis……………………………………………543 3 3MaterialAnalysis………………………………………………………553 4Conclusions………………………………………………………………564AnExperimentalFrameworkforSimulatingStressCorrosionCrackinginCableBolts64
………………………………………………………………574 1Introduction………………………………………………………………574 2ExperimentalPrograms…………………………………………………574 2 1SynthesisedSolution…………………………………………………574 2 2TheSpecimen…………………………………………………………594 2 3SCCTestingSetUp……………………………………………………604 2 4PreparationofFractureSurface………………………………………624 2 5AbsorbedHydrogenAnalysis…………………………………………644 3TestingResults……………………………………………………………644 4SEMExaminations………………………………………………………664 4 1Service-failedCableBoltFractography………………………………664 4 2LaboratorySpecimensFractureAnalysis………………………………694 4 3AbsorbedHydrogen……………………………………………………724 5Conclusions
………………………………………………………………735EffectsofEnvironmentalFactorsonStressCorrosionCrackingofCold-drawnHigh-carbonSteelWires………………………………………………………755 1Introduction………………………………………………………………755 2ExperimentalPrograms…………………………………………………755 2 1Specimens……………………………………………………………75Contents校样Ⅸ5 2 2TestingFrames………………………………………………………765 3EnvironmentalVariables…………………………………………………785 3 1AppliedStressLevel…………………………………………………795 3 2SulphideConcentration………………………………………………805 3 3pHandGalvanisedSpecimens………………………………………805 4TestingResults
……………………………………………………………815 4 1AppliedStressLevel…………………………………………………815 4 2SulphideConcentration………………………………………………825 4 3pH……………………………………………………………………845 4 4GalvanisedSpecimens…………………………………………………845 5FractographicAnalysis…………………………………………………865 5 1FractureMode…………………………………………………………865 5 2FractographicAnalysis………………………………………………885 6Conclusions………………………………………………………………926InvestigationofCableBoltsforStressCorrosionCrackingFailure
………936 1Introduction………………………………………………………………936 2TestingApparatus………………………………………………………936 2 1LoadFrameDesignConsiderations……………………………………936 2 2CorrosiveMediumCollectionandStorage……………………………966 3ExperimentalProgram……………………………………………………986 3 1Specimens……………………………………………………………986 3 2TestingEnvironments…………………………………………………996 3 3TestingProcedure
……………………………………………………1006 4ResultsandAnalysis……………………………………………………1016 4 1MaterialFailureAnalysis……………………………………………1016 4 2PerformanceoftheSpecimensintheAcceleratedTestingConditions……………………………………………………………1046 5Conclusions………………………………………………………………1077ConclusionsandRecommendations…………………………………………1097 1Conclusions………………………………………………………………1097 2Recommendations………………………………………………………111References…………………………………………………………………………113
………………………………………………62AReviewofCableBolts,CorrosionandStressCorrosionCracking………82 1Introduction…………………………………………………………………82 2GeologicalStressEnvironmentinUndergroundCoalMining…………82 2 1LongwallMiningMethod………………………………………………82 2 2GeologicalStressConditions……………………………………………92 3GroundSupportTechnologiesinUndergroundCoalMines
…………132 3 1AnchoringTechnology…………………………………………………132 3 2TheHistoryofCableBolts……………………………………………182 3 3SurfaceControls………………………………………………………212 4Corrosion…………………………………………………………………222 4 1LocalisedCorrosion……………………………………………………232 4 2MicrobiologicallyInfluencedCorrosion………………………………252 4 3StressCorrosionCracking……………………………………………282 5FactorsAffectingCorrosioninUndergroundCoalMines
……………302 5 1AtmosphericConditions………………………………………………302 5 2Groundwater……………………………………………………………322 5 3MineralogicalInfluenceonCorrosion…………………………………382 6InvestigationofStressCorrosionCrackingofCableBolts…………392 6 1StressCorrosionCrackinginPrestressedConcreteStructures………392 6 2StressCorrosionCrackinginUndergroundMines……………………412 7Discussion…………………………………………………………………46校样Ⅷ
3EnvironmentalCharacterisationofStressCorrosionCrackinginASimulatedMineEnvironment……………………………………………………………483 1Introduction………………………………………………………………483 2ExperimentalProgram……………………………………………………493 2 1Groundwater,CoalandClaySamples………………………………493 2 2Specimens……………………………………………………………503 2 3TestingEnvironments…………………………………………………503 3ResultsandDiscussion
…………………………………………………533 3 1WeightLossoftheSpecimens…………………………………………533 3 2WaterChemistryAnalysis……………………………………………543 3 3MaterialAnalysis………………………………………………………553 4Conclusions………………………………………………………………564AnExperimentalFrameworkforSimulatingStressCorrosionCrackinginCableBolts64
………………………………………………………………574 1Introduction………………………………………………………………574 2ExperimentalPrograms…………………………………………………574 2 1SynthesisedSolution…………………………………………………574 2 2TheSpecimen…………………………………………………………594 2 3SCCTestingSetUp……………………………………………………604 2 4PreparationofFractureSurface………………………………………624 2 5AbsorbedHydrogenAnalysis…………………………………………644 3TestingResults……………………………………………………………644 4SEMExaminations………………………………………………………664 4 1Service-failedCableBoltFractography………………………………664 4 2LaboratorySpecimensFractureAnalysis………………………………694 4 3AbsorbedHydrogen……………………………………………………724 5Conclusions
………………………………………………………………735EffectsofEnvironmentalFactorsonStressCorrosionCrackingofCold-drawnHigh-carbonSteelWires………………………………………………………755 1Introduction………………………………………………………………755 2ExperimentalPrograms…………………………………………………755 2 1Specimens……………………………………………………………75Contents校样Ⅸ5 2 2TestingFrames………………………………………………………765 3EnvironmentalVariables…………………………………………………785 3 1AppliedStressLevel…………………………………………………795 3 2SulphideConcentration………………………………………………805 3 3pHandGalvanisedSpecimens………………………………………805 4TestingResults
……………………………………………………………815 4 1AppliedStressLevel…………………………………………………815 4 2SulphideConcentration………………………………………………825 4 3pH……………………………………………………………………845 4 4GalvanisedSpecimens…………………………………………………845 5FractographicAnalysis…………………………………………………865 5 1FractureMode…………………………………………………………865 5 2FractographicAnalysis………………………………………………885 6Conclusions………………………………………………………………926InvestigationofCableBoltsforStressCorrosionCrackingFailure
………936 1Introduction………………………………………………………………936 2TestingApparatus………………………………………………………936 2 1LoadFrameDesignConsiderations……………………………………936 2 2CorrosiveMediumCollectionandStorage……………………………966 3ExperimentalProgram……………………………………………………986 3 1Specimens……………………………………………………………986 3 2TestingEnvironments…………………………………………………996 3 3TestingProcedure
……………………………………………………1006 4ResultsandAnalysis……………………………………………………1016 4 1MaterialFailureAnalysis……………………………………………1016 4 2PerformanceoftheSpecimensintheAcceleratedTestingConditions……………………………………………………………1046 5Conclusions………………………………………………………………1077ConclusionsandRecommendations…………………………………………1097 1Conclusions………………………………………………………………1097 2Recommendations………………………………………………………111References…………………………………………………………………………113















