起重机主梁裂纹修补参数的研究

430081ANSYSANSYSAstudyoncrackmendingparametersofcranegirderXieJiangangJiWeiWuhanUniversityofScienceandTechnologyWuhan430081AbstractByusingANSYSanalysissoftwareaseriescalculationismadeforthereinforcementplateduetothecracksofcranegirder.Thevaria-tionlawofthestressandstressstrengthfactorsofthegirdercracksaftermendingisachieved.Theresultsindicatethatonlybyusingthereinforce-mentplatewithproperparameterstheexpansionofthecracksoncranegirdercanbeeliminatedandthesafetyofcranecanbeassured.KeywordsANSYSanalysissoftwarecrackreinforcementplateparametersafety11125/25t199611200mm208045%!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!3HAZOPHA-ZOP2HAZOPHAZOPHAZOP1..2000.42DanielA.C.ChemicalProcessSafetyFundamentalswithApplication.Prentice-HallInc.19902002022522IndustrialSafetyandEnvironmentalProtection20022811November20021ANSYS160/40t×22.8m2442.2m32.2m1350mmⅢ122mm11/tL/m/mmin-1/s/MPa16022.8A786.17716Mn2.05×1050.2733.1ANSYS11350mm22V100mm350mm11688133SHALL633SOLID4523.2480t3.3XYZ3YZ2X4180t322m285.91MPa32m69.50MPa62.70MPa32.0m2m2.5m21σ=76.75+8.95X-4.75X21X211σ=115.92-17.65X+1.29X2242/MPa0.20.50.811.522.534568σ85.7683.9882.3080.0373.8069.5079.4173.7166.8960.6258.2456.95σ117.0175.0463.2183.5969.562.7064.3258.2444.1230.2133.1342.164155σ=98.46-21.22X+1.77X235ANSYS12385.91-60.62/85.91×100%=29.44%22m2m3436m6m6m5m1..19922002022542