Therearethefollowingfivetypes:
Gridstructure
Thegridstructureisanetworkstructurecomposedofmanycontinuousrodsaccordingtoacertainrule.Addasphericalshapetoenlargethelink.Therodsmainlybearaxialforce,whichcangivefullplaytothestrengthofthematerial,savesteel,andhaveasmallstructure.Thegridstructurehaslargespatialrigidity,strongintegrityandgoodstability.Itusessmaller-sizedrodstobuildlarge-spanstructures,andthetypesofrodsareuniform.
Suspensioncablestructure
Suspendedcablestructure(abridgebuiltbetweentwomountains,withanironchainbetweenthetwomountains.Thisisthesuspensionstructure;forexample,theRedArmypassedbyLuFixedbridge)isanidealstructuralformforlarge-spanroofs.Thesuspensioncablestructureisgenerallycomposedofsteelcables,edgemembersandlowersupportingstructures.Forexample,theOlympicSportsCenterismadebysuspensioncables.
Shellstructure
Theshellstructurehasverticalsupportsatbothends,andtheforceissplittobothsidesalongthetangentlineofthecurvedsurface.Thesizeisverysmallandcanbemadeverysmall.Largespan.Suchas:archbridges,largechurches.
Tubetrussstructure
Tubetrussstructurereferstothetrussstructuresystemmadeofsteelpipes,soitisalsocalledtubetrussortubestructure.Aslongasthesuperiorforce-bearingperformanceandbeautifulexteriorshapeofsteelpipesareusedtoformauniquestructuralsystem,whichmeetsthelatestdesignconceptsofsteelstructures,thecombinationofmaterials,load-bearingandstablecomponentsisusedtoplayaspatialrole.
Membranestructure
Membraneisanewtypeofbuildingstructuredevelopedinthemiddleofthe20thcentury.Itiscomposedofavarietyofhigh-strengthfilmmaterials(PVCorTeflon)andreinforcingmembers.(Steelframe,steelcolumnorsteelcable)Throughacertainway,acertainpre-tensioningstressisgeneratedinsidetoformacertainspatialshape,asacoveringstructure,andaspatialstructureformthatcanwithstandacertainexternalload.Itcanbedividedintotwocategories:inflatablemembranestructureandtensionedmembranestructure.Theinflatablemembranestructureiscontinuouslyinflatedinsidetheroom,sothatacertainpressuredifferencebetweenindoorandoutdoor(usuallybetween10mmand30mmwatercolumn)isgenerated.Thecoverfilmissubjectedtoacertainupwardbuoyancy,soastoachievealargerspan.Thetensilestructureisformedbycolumnandsteelframesupportorsteelcabletensioning,anditsshapeisverybeautifulandflexible.