資源描述：
《gfrp管—混凝土—鋼管混凝土組合柱軸壓性能試驗研究》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、GFRP管-混凝土-鋼管混凝土組合柱軸壓性能試驗研究TheExperimentalStudyonGFRP--Concrete··Steel·-ConcreteDouble--SkinTubularHybridColumnsunderAxialCompressionAbstractInrecentyears，theinfrastructureconstructionofOarcountryentersthefastigiuln，especiallythecoastalengineering．Mostofthesestructuresselect
2、concretestructureandtheservicelifeisgenerallyrequiredmorethan100years，includingpiercomponentsofsea-crossingbridgeandcolumnsoftheoffshoreplatformasthemostimportantmechanicalcomponents．necorrosionresistanceofthestructureisSOvitalthatthedurabilityofthestructureisputatahigherpo
3、sition．Prof．Teng，whoworksintheHongKongPolytechnicUniversity，hasrecentlyproposedHybridFRP·concrete-steeldouble-skinmbularcolumn(DSTC)whichisanewformofhybridcolumns．Inthispaper，theobjectofstudyisGFRP—concrete-steel-concretedouble·skintubularhybridcolumn(calledhybridcohlrnn)．T
4、hehybridcolumnisformedbypouringconcreteimothemultipletubewhichisgeneratedonthebasisofDSTC．Fortheformofhybridcolumn，boththeconstraintofmultipletubeandthedurableperformanceoftheGFRPtubecarlbetakenfulladvantageof．Thetenhybridcolumnssubjectedtoaxialcompressiveloadingweretestedi
5、nthisarticle．Andthemajoreffectivefactors，suchasthethicknessofinterlayerconcrete，thespeciesofinterlayerconcrete(ordinaryconcrete，self-compactingconcrete，self-stressingandself-compactingconcrete)andtheloadingmethods，wereresearchedinthispaper．Conclusionsaredrawnasfollows：(1)Wh
6、atevertheloadingmethodsare，thehybridcolumnsareshowinggoodductility．Whiletheinterlayerthicknessislarger，theductilityofspecimenisbetter．Bythecomparisonofthreekindsofinterlayerconcrete，withthecomprehensiveconsiderationofthebearingcapacityandtheductility，theself-compactingconcr
7、eteisperferredtobeused．(2)Byanalyzingthecollaborativeperformanceofthehybridcolumnsundercoreloadingconditions，thesmallerinterlayerthicknessCanreflectthebettercollaborativeperformance．Theself-stressingandself-compactingconcreteissuperiortoothermaterials．Thereisnoobviousdiffer
8、encewitllthecomparisonofthehybridcolumnsunderfull—sectionalloadingcondition．(3)Int
