GB 50016建筑设计防火规范 Code of Design on Building

6FireTruckPassage6.0.1Theroadwithinthestreetshouldbeconsideredwithpassoffiretruck,it’sbetterthedistanceofroadcentrallineisnotmorethan160.0m.Whenthelengthofbuildingalongthestreetismorethan150.0morthetotallengthismorethan220.0m,thenthefiretruckpassagepassingthroughthebuildingsshouldbearranged.Whenit’sreallydifficulttorealize,thenthecircledfiretruckpassageshouldbearranged.6.0.2Forthebuildingswithclosedcourtyardoropenyard,whenhelengthofitsshortsideismorethan24.0m,it’sbetterthefiretruckpassageisarrangedtoenterthecourtyardoropenyard.6.0.3Ifthebuildingswithclosedcourtyardandopenyardisbuiltalongthestreet,thenthepedestrianpassageconnectingthestreetandthecourtyardshouldbearranged(thestaircasecouldbeused),butit’sbetterthedistanceisnotmorethan80.0m.6.0.4Onbothsidesoffiretruckpassagepassingthroughthebuildingsorenteringthecourtyard,thefacilitiesaffectingthefiretruckpassorpeopleevacuationshouldnotbearranged.6.0.5Forpublicbuildingssuchasthestadiumwithmorethan3,000seats,conferencehallwithseatsmorethan2,000andexhibitionhallwithsiteareamorethan3,000sqm,thecircledfiretruckpassageisbettertobearranged.6.0.6Firetruckpassageshouldbearrangedinthefactoryandstoragearea.FortheClass-A,Class-BandClass-Cfactorywithsiteareamorethan3,000sqmorClass-B&Class-Cstoragewithsiteareamorethan1,500sqm,thecircledfiretruckpassageshouldbearranged,ifit’sreallydifficulttorealize,thenthefiretruckpassageshouldbearrangedalongtwolongsidesofbuildings. 6.0.7Forthecombustiblematerialstockdump,LGPstoragearea,liquidstoragetankareaonClass-A,Class-B&Class-Candcombustiblegasstoragetankarea,thefiretruckpassageshouldbearranged.Andthearrangementoffiretruckpassageshouldsatisfythefollowingregulations:1.Ifthestoragevolumeismorethanthestockdump,andstoragetankareamentionedinSheet6.0.7,thecircledfiretruckpassageisbettertobearranged.2.Forthecombustiblematerialstockdumpwithsiteareamorethan30,000sqm,thefiretruckpassageinthemiddleshouldbearrangedtoconnectwithcircledfiretruckpassage,andthedistancebetweenfiretruckpassagesisbetternotmorethan150.0m.ForLGPstoragearea,liquidstorageareaonClass-A,Class-B&Class-C,andcombustiblegasstoragearea,thecircledfiretruckpassagewithintheseareasisbettertobearrangedwithconnectingfiretruckpassage.3.Theminimumdistancebetweenthefiretruckpassageandmaterialstockdumpshouldbenotlessthan5.0m.4.Theconnectingpartbetweenthefiretruckpassageinthemiddleandcircledfiretruckpassageshouldsatisfytherequirementsforturningradiusoffiretruck.Sheet6.0.7StoragevolumeofstockdumpandstoragetankareaNameCotton,fiber,chemicalfiber(t)Straw,wheatstraw,reed(t)Wood(m³)Class-A,Class-B&Class-CliquidstoragetankLGP(m³)Combustiblegastank(m³)Storagevolume1,0005,0005,0001,50050030,0006.0.8Thenaturalwatersourceandfirewatertanksupplyingwatertothefiretruckshouldbearrangedwithfiretruckpassage. 6.0.9Thenetwidthandclearheightoffiretruckpassageshouldbenotlessthan4.0m.Theslopeofemptyspaceforparkingthefiretruckisbetternotmorethan3%.Thespacebetweenthefiretruckpassageandfactory(storage)andcivilbuildingsshouldnotbearrangedwithbarriersthatmayaffecttheoperationoffiretruck.6.0.10Thecircledfiretruckpassageshouldhaveatleasttwopositionsconnectingwithothertruckpassage.Theend-typefiretruckpassageshouldbearrangedwithturningpassageorturningfield,andtheareaofturningfieldshouldbenotlessthan12.0m*12.0m;ifit’susedforlargefiretruck,thentheareaisbetternotlessthan18.0m*18.0m.Thefiretruckpassage,rescueoperationplace,pipingandblindditchbelowandothersshouldhaveenoughbearingcapacityforthefiretrucks.Thefiretruckpassagecouldusethetrafficroad,butthepassandparkingforfiretruckshouldbesatisfied.6.0.11It’sbetterthefiretruckpassageisnotinlevelcrosswithrailwaytrunkline.Ifit’sreallynecessarytobeinlevelcross,thentheback-uppassageshouldbearranged,andthedistancebetweentwopassagesshouldbenotlessthanthelengthofonetrain.5CivilBuilding5.1.1FireresistanceofcivilbuildingisclassifiedasLevelI,II,III&IV.Unlessotherwiseregulated,thecombustionperformanceandfireresistanceofcomponentsinbuildingsondifferentlevelsoffireresistanceshouldbenotlowerthantheregulationsinSheet5.1.1. Sheet5.1.1Combustionperformanceandfireresistanceofbuildingcomponents(h)NameFireResistanceComponentsLevelILevelIILevelIIILevelIVWallFirewallNon-combustiblecomponent3.00Non-combustiblecomponent3.00Non-combustiblecomponent3.00Non-combustiblecomponent3.00BearingwallNon-combustiblecomponent3.00Non-combustiblecomponent2.50Non-combustiblecomponent2.00Non-combustiblecomponent0.50Non-bearingouterwallNon-combustiblecomponent1.00Non-combustiblecomponent1.00Non-combustiblecomponent0.50Non-combustiblecomponentStaircasewallNon-combustiblecomponent2.00Non-combustiblecomponent2.00Non-combustiblecomponent1.50Difficult-combustiblecomponent0.50LiftshaftwallWallbetweenresidenceunitHouseholdseparationwallSeparationwallonbothsideofemergencypassageNon-combustiblecomponent1.00Non-combustiblecomponent1.00Non-combustiblecomponent0.50Difficult-combustiblecomponent0.25RoomseparationwallNon-combustiblecomponent0.75Non-combustiblecomponent0.50Difficult-combustiblecomponent0.50Difficult-combustiblecomponent0.25PillarNon-combustiblecomponent3.00Non-combustiblecomponent2.50Non-combustiblecomponent2.00Difficult-combustiblecomponent0.50BeamNon-combustiblecomponent2.00Non-combustiblecomponent1.50Non-combustiblecomponent1.00Difficult-combustiblecomponent0.50FloorslabNon-combustiblecomponent1.50Non-combustiblecomponent1.00CombustiblecomponentCombustiblecomponentRoofbearingNon-combustibleNon-combustibleCombustibleCombustiblecomponent componentcomponent1.50component1.00componentEmergencystairNon-combustiblecomponent1.50Non-combustiblecomponent1.00Non-combustiblecomponent0.50CombustiblecomponentCeiling(includingthegridonceiling)Non-combustiblecomponent0.25Difficult-combustiblecomponent0.25Difficult-combustiblecomponent0.15CombustiblecomponentNote:1.Unlessotherwiseregulated,forthebuildingswithwoodpillarforbearingandnon-combustiblecomponentaswall,itsfireresistanceshouldbedeterminedasLevel-IV;2.WhentheceilingofbuildingswithfireresistanceonLevelIIisnon-combustiblecomponent,itsfireresistanceisnotlimited;3.InthebuildingsonLevelIIfireresistance,fortheseparationwallofroomwithareanotmorethan100sqm,ifit’sreallydifficulttofollowtheregulationsinthisform,thenthenon-combustiblecomponentswithfireresistancenotlowerthan0.3ncouldbeused;4.FortheseparationwallonbothsidesofemergencypassageinbuildingsonLevelI&IIfireresistance,ifit’sreallydifficulttofollowtheregulationsinthisform,thenthe0.7hnon-combustiblecomponentcouldbeused.5.1.2InbuildingswithLevelIIfireresistance,whentheroomseparationwallusesthedifficult-combustiblecomponent,itsfireresistanceshouldbeincreasedby0.25h.5.1.3ForaccessibleflatroofwithLevelI&IIfireresistance,thefireresistanceofitsroofplateshouldbenotlowerthan1.50hand1.00hrespectively.5.1.4TheroofplateofbuildingswithLevelI&IIfireresistanceshouldusenon-combustiblecomponents,butitsroofwater-prooflayerandheatinsulationlayercouldusecombustiblecomponent. ·5.1.5WhenthefloorslabofresidentialbuildingwithLevelI&IIfireresistanceisprestressedreinforcedconcrete,thenthefireresistanceoftheslabshouldbenotlowerthan0.75h.5.1.6TheceilingofbuildingswithLevelIIIfireresistancebelowshouldusenon-combustiblecomponentordifficult-combustiblecomponentwithfireresistancenotlowerthan0.25h;1.Hospital,sanatorium,primaryandmiddleschool,Buildingsfortheaged,child-carecenter,children’sroomofkindergarten,children’samusementhallandotherchildren’sactivityplace;2.Theentrancehallandpassageinbuildingswiththreeormorefloors.5.1.7Thefireresistance,maximumallowablefloorsandthemaximumallowablebuildingareainfirezoneofcivilbuildingsshouldsatisfytheregulationsinSheet5.1.7.Sheet5.1.7Fireresistance,maximumallowablefloorsandthemaximumallowablebuildingareainfirezoneofcivilbuildingsFireresistanceMax.allowablefloorMax.allowablebuildingareainfirezone(sqm.)RemarksLevelI&IIfollowregulationsin1.0.22,5001.Audiencehallinstadiumandtheater.Exhibitionhallofexhibitionbuilding,theirmax.allowablebuildingareainfirezonecouldberelaxedproperly.2.Thechildren’sroomofchild-carecenterandkindergartenandchildren’samusementhallshouldbenotarrangedonthe4thorupperfloor,thebasementandsemi-basement.LevelIII5floors12001.