基于中歐雪荷載規(guī)范的門式剛架加固有限元模型力學(xué)性能對(duì)比研究

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中圖分類號(hào)：TU391 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：1005-8249（2025）02-0117-07

DOI：10.19860/j.cnki.issn1005-8249.2025.02.020

Abstract：ToinvestigatetheimpactofsowloadspecificationsinGB51022—2O15*TechnicalSpecificationforStelStructure of Light-weight Buildings with Gabled Frames and NF EN 1991-1-3：2004-General actions - Snow loads * on gabled frame structures，this studyconductedparameter comparisons between the codesand established Midas Gen models for enginering casesreinforcedviastructural system modificationandbonded steelreinforcementmethods.Stressratios，stability， deflection，andothermechanicalindicatorsunderbothspecificationswerecomparedandvalidatedthrough finiteelement modeling.Resultsindicate：theChinesecodeemploysarelativelysimplifiedsnowloadcalculationmethod，withpartial parametersandrofsnowdistributioncoeffcientsdiferingfromthe Europeancode.Finiteelementanalysisrevealsthatthe Chinese code yieldsgenerall highersnow loadvaluesand mechanical parameterresults，particularlydemonstratinggreater conservatism in uneven snow distribution scenarios，while the European code produces smaler calculation resultsoveral.

Key words： reinforcement of portal frame；snow load; Chinese codes；European code； finite element analysis

0 引言

門式剛架結(jié)構(gòu)因其輕量化設(shè)計(jì)、快速施工特性及優(yōu)異經(jīng)濟(jì)性，在工業(yè)與民用建筑領(lǐng)域展現(xiàn)出強(qiáng)大的適應(yīng)性。（剩余6766字）