外粘型钢加固法在柱加固中的应用

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中图分类号：TU375.3 文献标志码：B 文章编号：1004-4345（2026）01-0047-05

AbstractTomeettheload-bearingcapacityrequirementsofanindustrialworkshopstructurefollowingprocessadjustments，this papertakesthereinforcementprojectof arefiing workshopin Shandongasacaseexample tocompareandselectcommonlyused strengtheningschemes.Followingthecompletionoftheworkshop'smainstructure，localcolumnswerefoundtohaveinsufcientloadbearingcapacityduetoprocessmodifications.Bycomparing theaplicability，constructionduration，economiceficiency，and environmental impact of the cross section enlargement method，the fiber-reinforced polymer（FRP） strengthening method，and the externally bonded steel reinforcement method，the results indicate that： the cross section enlargement method involves extensive wet work，alngconstructionperiod，andchalengesincuringverticalcomponents；theFRPmethodisunsuitableforcoprsion membersandraisesconcersregardingdurability;theexterallyondedsteelreinforcementmethodofersadvantagessuchasrapid construction， significant improvement in load-bearing capacity，and minimal increase in cross section size. This method is better suitedtothesiteconditionsofthisproject，whichdemandsatightschduleandrequiresconsiderationofbothcompressonmember reinforcementandprotectionagainstcorosiveenvironments.BasedontheCodeforDesignofStrengtheningConcreteStructure（GB 50367-2013），thedesignandcalulationereconductedforexterallybondedsteelreinforcementofcolumnswithinsuficientload bearingcapacityKynstutionprocedusdualitytrolints，icludingsfcetreaet，seelfreistalldsie injectiondugrebatedetailEiingpcicmoatestatsfoentodieto structuralload-bearingapacityprovidingviabletchicalreferenceforsiilarindustrialworkshopcolunreinforcemntprocts.

Keywords externally bonded steel reinforcement method; column strengthening; structural calculation

随着建筑业的快速发展，结构加固改造工程日益增多。（剩余5348字）