预览加载中，请您耐心等待几秒...

混凝土SHPB试验的波形整形材料研究.docx

预览
1/2
2/2

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

混凝土SHPB试验的波形整形材料研究 Title:StudyonWaveformShapingMaterialsinConcreteSHPBTesting Abstract: TheSplit-HopkinsonPressureBar(SHPB)testiswidelyusedtostudythedynamicbehaviorofmaterialsunderhighstrainrates.InconcreteSHPBtesting,thewaveformshapingtechniquehasgainedconsiderableattentionduetoitspotentialtoimprovetheaccuracyandreliabilityoftestresults.ThispaperaimstoexplorethevariousmaterialsusedforwaveformshapinginconcreteSHPBtestingandtheireffectsonthetestresults.Thematerialsdiscussedincludepolymers,metals,andcomposites,withtheiradvantagesandlimitationsanalyzed.Additionally,differentmountingmethodsareevaluatedtoensureprecisewaveformshaping.Throughthisresearch,itisanticipatedthattheselectionofsuitablewaveformshapingmaterialscansignificantlyenhancethequalityandaccuracyofconcreteSHPBtesting. 1.Introduction 1.1OverviewofSHPBtestinginconcretematerials 1.2ImportanceofwaveformshapinginSHPBtesting 2.Waveformshapingmaterials 2.1Polymers 2.1.1Advantagesandlimitations 2.1.2Examplesofcommonlyusedpolymers 2.2Metals 2.2.1Advantagesandlimitations 2.2.2Examplesofcommonlyusedmetals 2.3Composites 2.3.1Advantagesandlimitations 2.3.2Examplesofcommonlyusedcomposites 3.EffectsofwaveformshapingmaterialsonconcreteSHPBtesting 3.1Improvementinwaveformfidelity 3.2Reductioninstresswavedispersion 3.3Enhancementofenergytransfer 3.4Mitigationofstrainrateeffects 4.Mountingmethodsforwaveformshapingmaterials 4.1Directbonding 4.2Mechanicalattachment 4.3Indirectmountingtechniques 5.Experimentalsetupandprocedures 5.1Selectionofwaveformshapingmaterial 5.2Preparationofspecimen 5.3Mountingtechnique 5.4Testsetupconfiguration 6.Resultsandanalysis 6.1Comparisonofdifferentwaveformshapingmaterials 6.2Evaluationoftheeffectsofmountingtechniques 6.3Discussionontheimpactofwaveformshapingontestresults 7.Conclusion 7.1Summaryoffindings 7.2Recommendationsforfutureresearch Inconclusion,thisstudyaimstoexploretheuseofwaveformshapingmaterialsinconcreteSHPBtesting.Differentmaterials,includingpolymers,metals,andcomposites,areanalyzedf