HereisaplaintextintroductiontotherequestedEurocodedocuments:ThisdocumentprovidesdesignguidanceforjointsinsteelandcompositestructuresaccordingtoEuropeanstandards.ItcoverstwokeyEurocodesections:Eurocode3-Designofsteelstructures,Part1-8:Designofjoints,whichspecifiesrequirementsforthedesignofsteelconnectionsincludingbolted,welded,andpinnedjoints;andEurocode4-Designofcompositesteelandconcretestructures,Part1-1:Generalrulesandrulesforbuildings,whichestablishesprinciplesforthedesignofcompositeelementscombiningstructuralsteelwithreinforcedconcrete.Togetherthesestandardsprovidecomprehensiverulesforjointdesigninbothpuresteelstructuresandcompositeconstruction,ensuringsafety,serviceabilityanddurabilityaccordingtoEuropeanpractice.Theprovisionscovermaterialproperties,analysismethods,detailingrequirementsandverificationproceduresforvariousjointconfigurationsunderdifferentloadingconditions.