《建筑施工新技術(shù)》教學(xué)課件：結(jié)構(gòu)構(gòu)件加固技術(shù)

抗震、加固與監(jiān)測(cè)技術(shù)Seismic,Reinforcement,andMonitoringTechnology抗震、加固與監(jiān)測(cè)技術(shù)Seismic,Reinforcement,andMonitoringTechnology技術(shù)定義Technicaldefinition01技術(shù)指標(biāo)Technicalindicators02適用范圍Scopeofapplication03工程實(shí)例Projectexamples04結(jié)構(gòu)構(gòu)件加固技術(shù)Structuralcomponentreinforcementtechnology結(jié)構(gòu)構(gòu)件加固技術(shù)Structuralcomponentreinforcementtechnology結(jié)構(gòu)構(gòu)件加固技術(shù)常用的有鋼絞線網(wǎng)片聚合物砂漿加固技術(shù)和外包鋼加固技術(shù)。Commonlyusedreinforcementtechniquesforstructuralelementsarestrandedwiremeshpolymermortarreinforcementandovermouldedsteelreinforcement.技術(shù)定義Technicaldefinition結(jié)構(gòu)構(gòu)件加固技術(shù)Structuralcomponentreinforcementtechnology鋼絞線網(wǎng)片聚合物砂漿加固技術(shù)是在被加固構(gòu)件進(jìn)行界面處理后，將鋼絞線網(wǎng)片敷設(shè)于被加固構(gòu)件的受拉部位，再在其上涂抹聚合物砂漿。

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

鋼絞線網(wǎng)片聚合物砂漿加固的材料和設(shè)計(jì)計(jì)算及施工應(yīng)符合行業(yè)標(biāo)準(zhǔn)《鋼絞線網(wǎng)片聚合物砂漿加固加固技術(shù)規(guī)程》JGJ337的要求Thematerialanddesigncalculationandconstructionofthesteelstrandmeshpolymermortarreinforcementshallcomplywiththerequirementsoftheindustrystandard"TechnicalSpecificationforSteelStrandMeshPolymerMortarReinforcement"JGJ337結(jié)構(gòu)構(gòu)件加固技術(shù)Structuralcomponentreinforcementtechnology外包鋼加固Externalsteelreinforcement外包鋼加固的設(shè)計(jì)計(jì)算和膠粘劑的要求應(yīng)符合國(guó)家現(xiàn)行標(biāo)準(zhǔn)《混凝土結(jié)構(gòu)加固設(shè)計(jì)規(guī)范》GB50367和行業(yè)標(biāo)準(zhǔn)《建筑抗震加固技術(shù)規(guī)程》JGJ116的規(guī)定，關(guān)于鋼材、焊縫設(shè)計(jì)及其施工的要求應(yīng)符合現(xiàn)行國(guó)家標(biāo)準(zhǔn)《鋼結(jié)構(gòu)設(shè)計(jì)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(wǎng)片聚合物砂漿加固Steelstrandmeshpolymermortarreinforcement適用于砌體結(jié)構(gòu)磚墻、鋼筋混凝土結(jié)構(gòu)梁、板、柱和節(jié)點(diǎn)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(jié)構(gòu)的加固。Suitableforthereinforcementofreinforcedconcretebeamandcolumnstructuresthatrequireimprovementincross-sectionalbearingcapacityandseismicresistance.適用范圍Scopeofapplication外包鋼加固Externalsteelreinforcement鋼絞線網(wǎng)片聚合物砂漿與外包鋼加固技術(shù)已在北京火車站、北京工人體育場(chǎng)、北京工人體育館、中國(guó)國(guó)家博物館、廈門鄭成功紀(jì)念館、廈門特區(qū)紀(jì)念館等加固改造工程中應(yīng)用。SteelstrandmeshpolymermortarwithexternalsteelreinforcementtechnologyhasbeenappliedinthereinforcementandrenovationprojectsofBeijingRailwayStation,BeijingWorkers'Stadium,BeijingWorkers'Stadium,NationalMuseumofChina,XiamenZhengChenggongMemorialHallandXiamenSpecialZoneMemorialHall.工程案例Projectexamples工程案例Projectexamples中國(guó)國(guó)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(jié)合建筑總體功能布局、同時(shí)保持原有建筑風(fēng)貌，將老館沿長(zhǎng)安街、天安門廣場(chǎng)及南側(cè)等外圍部分建筑保留，中間部分拆除重建，保留部分原結(jié)構(gòu)均為柔性框架結(jié)構(gòu)。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(jié)構(gòu)體系(框架結(jié)構(gòu)改為框架-剪力墻結(jié)構(gòu))進(jìn)行加固，對(duì)于不能設(shè)置剪力墻的位置，采用增設(shè)門式消能減震支撐，通過(guò)粘滯阻尼器達(dá)到抗震減震要求。Forlocationswhereshearwallsc