《建筑施工新技術》教學課件：結構構件加固技術

抗震、加固與監(jiān)測技術Seismic,Reinforcement,andMonitoringTechnology抗震、加固與監(jiān)測技術Seismic,Reinforcement,andMonitoringTechnology技術定義Technicaldefinition01技術指標Technicalindicators02適用范圍Scopeofapplication03工程實例Projectexamples04結構構件加固技術Structuralcomponentreinforcementtechnology結構構件加固技術Structuralcomponentreinforcementtechnology結構構件加固技術常用的有鋼絞線網片聚合物砂漿加固技術和外包鋼加固技術。Commonlyusedreinforcementtechniquesforstructuralelementsarestrandedwiremeshpolymermortarreinforcementandovermouldedsteelreinforcement.技術定義Technicaldefinition結構構件加固技術Structuralcomponentreinforcementtechnology鋼絞線網片聚合物砂漿加固技術是在被加固構件進行界面處理后，將鋼絞線網片敷設于被加固構件的受拉部位，再在其上涂抹聚合物砂漿。

Thestrandmeshpolymermortarreinforcementtechniqueinvolveslayingthestrandmeshonthetensilepartofthereinforcedmemberafterthereinforcedmemberhasbeentreatedattheinterfaceandthenapplyingpolymermortartoit.技術定義Technicaldefinition結構構件加固技術Structuralcomponentreinforcementtechnology技術定義Technicaldefinition外包鋼是一種廣泛采用的混凝土構件加固方法，通常采用型鋼或鋼板外包在原構件表面、四角或兩側,并在混凝土構件表面與外包鋼縫隙間灌注高強水泥砂漿或環(huán)氧樹脂漿料，同時利用橫向綴板或套箍作為連接件，以提高加固后構件的整體受力性能。Theexternalsteelcladdingisawidelyusedmethodofreinforcingconcretemembers,usuallyusingsteelsectionsorsteelplatestobewrappedaroundthesurface,cornersorsidesoftheoriginalmember,andfillingthegapbetweenthesurfaceoftheconcretememberandtheexternalsteelcladdingwithhigh-strengthcementmortarorepoxyresinslurry,whileusingtransverseplatesorhoopsasconnectionstoimprovetheoverallforceperformanceofthereinforcedmember.結構構件加固技術Structuralcomponentreinforcementtechnology技術定義Technicaldefinition外包鋼是一種廣泛采用的混凝土構件加固方法，通常采用型鋼或鋼板外包在原構件表面、四角或兩側,并在混凝土構件表面與外包鋼縫隙間灌注高強水泥砂漿或環(huán)氧樹脂漿料，同時利用橫向綴板或套箍作為連接件，以提高加固后構件的整體受力性能。Theexternalsteelcladdingisawidelyusedmethodofreinforcingconcretemembers,usuallyusingsteelsectionsorsteelplatestobewrappedaroundthesurface,cornersorsidesoftheoriginalmember,andfillingthegapbetweenthesurfaceoftheconcretememberandtheexternalsteelcladdingwithhigh-strengthcementmortarorepoxyresinslurry,whileusingtransverseplatesorhoopsasconnectionstoimprovetheoverallforceperformanceofthereinforcedmember.結構構件加固技術Structuralcomponentreinforcementtechnology技術指標Technicalspecifications鋼絞線網片聚合物砂漿加固Steelstrandmeshpolymermortarreinforcement

鋼絞線網片聚合物砂漿加固的材料和設計計算及施工應符合行業(yè)標準《鋼絞線網片聚合物砂漿加固加固技術規(guī)程》JGJ337的要求Thematerialanddesigncalculationandconstructionofthesteelstrandmeshpolymermortarreinforcementshallcomplywiththerequirementsoftheindustrystandard"TechnicalSpecificationforSteelStrandMeshPolymerMortarReinforcement"JGJ337結構構件加固技術Structuralcomponentreinforcementtechnology外包鋼加固Externalsteelreinforcement外包鋼加固的設計計算和膠粘劑的要求應符合國家現(xiàn)行標準《混凝土結構加固設計規(guī)范》GB50367和行業(yè)標準《建筑抗震加固技術規(guī)程》JGJ116的規(guī)定，關于鋼材、焊縫設計及其施工的要求應符合現(xiàn)行國家標準《鋼結構設計規(guī)范》GB50017的規(guī)定。Thedesigncalculationandadhesiverequirementsforexternalsteelreinforcementshouldcomplywiththecurrentnationalstandard"CodeforDesignofConcreteStructureReinforcement"GB50367andtheindustrystandard"TechnicalCodeforSeismicReinforcementofBuildings"JGJ116.Therequirementsforsteel,welddesignandconstructionshouldcomplywiththecurrentnationalstandard"CodeforDesignofSteelStructures"GB50017.適用范圍Scopeofapplication鋼絞線網片聚合物砂漿加固Steelstrandmeshpolymermortarreinforcement適用于砌體結構磚墻、鋼筋混凝土結構梁、板、柱和節(jié)點的加固。ItisapplicabletothereinforcementofMasonrybrickwall,reinforcedconcretestructuralbeam,slab,columnandnode.適用于需要提高截面承載能力和抗震能力的鋼筋混凝土梁、柱結構的加固。Suitableforthereinforcementofreinforcedconcretebeamandcolumnstructuresthatrequireimprovementincross-sectionalbearingcapacityandseismicresistance.適用范圍Scopeofapplication外包鋼加固Externalsteelreinforcement鋼絞線網片聚合物砂漿與外包鋼加固技術已在北京火車站、北京工人體育場、北京工人體育館、中國國家博物館、廈門鄭成功紀念館、廈門特區(qū)紀念館等加固改造工程中應用。SteelstrandmeshpolymermortarwithexternalsteelreinforcementtechnologyhasbeenappliedinthereinforcementandrenovationprojectsofBeijingRailwayStation,BeijingWorkers'Stadium,BeijingWorkers'Stadium,NationalMuseumofChina,XiamenZhengChenggongMemorialHallandXiamenSpecialZoneMemorialHall.工程案例Projectexamples工程案例Projectexamples中國國家博物館老館建于1959年，總建筑面積為65000m2，為50年代北京十大建筑之一。TheoldNationalMuseumofChinawasbuiltin1959,withatotalconstructionareaof65000m2,whichwasoneofthetoptenbuildingsinTenGreatBuildingsinthe1950s.

工程案例Projectexamples結合建筑總體功能布局、同時保持原有建筑風貌，將老館沿長安街、天安門廣場及南側等外圍部分建筑保留，中間部分拆除重建，保留部分原結構均為柔性框架結構。Incombinationwiththeoverallfunctionallayoutofthebuilding,whilemaintainingtheoriginalarchitecturalstyle,theoldbuildingwillberetainedalongChang'anAvenue,Tian'anmenSquare,thesouthsideandotherperipheralbuildings,andthemiddlepartwillbedemolishedandrebuilt.Theoriginalstructureoftheretainedpartisaflexibleframestructure.Inordertoreducetheamountofreinforcement,thestructuralsystemischanged(theframestructureischangedtoaframeshearwallstructure)forreinforcement.工程案例Projectexamples為了減少加固量，采用改變結構體系(框架結構改為框架-剪力墻結構)進行加固，對于不能設置剪力墻的位置，采用增設門式消能減震支撐，通過粘滯阻尼器達到抗震減震要求。Forlocationswhereshearwallsc