IntroductiontoFireDesignofSteelStructures-EffectsonStructures(Parts1&2)Thisdocumentprovidesanoverviewoffiredesignprinciplesforsteelstructures,focusingontheeffectsoffireonstructuralperformance.Part1coversfundamentalconcepts,includingmaterialbehavioratelevatedtemperatures,heattransfermechanisms,andcriticaltemperaturelimitsforsteelmembers.Italsointroduceskeydesignphilosophiessuchaspassiveandactivefireprotectionmethods.Part2delvesintoadvancedtopics,includingstructuralresponseunderfireconditions,load-bearingcapacityreduction,anddeformationanalysis.Itdiscussescalculationmethodsforfireresistance,theinfluenceofconnectionbehavior,andreal-worldcasestudies.Together,thesesectionsofferengineersanddesignersessentialguidanceforensuringsafetyandcomplianceinfirescenarioswhilemaintainingstructuralintegrity.Thecontentalignswithinternationalstandards(e.g.,Eurocode3,AISC)andemphasizespracticalapproachestomitigatefirerisksinsteelconstruction.