I-I-beam lilungu lesakhiwo eline-cross-section efana ne-I (efana nonobumba omkhulu u-"I" one-serifs) okanye i-H-shaped. Amanye amagama obuchwephesha anxulumeneyo aquka i-H-beam, i-I-section, i-universal column (UC), i-W-beam (emele "i-wide flange"), i-universal beam (UB), i-rolled steel joist (RSJ), okanye i-double-T. Zenziwe ngentsimbi kwaye zingasetyenziswa kwiindlela ezahlukeneyo zokwakha.
Apha ngezantsi, makhe sithelekise umahluko phakathi kwe-H-beam kunye ne-I-beam ngokwembono enqamlezileyo.
I-H-beam isetyenziswa rhoqo kwiiprojekthi ezifuna ubude obude kunye nomthamo ophezulu wokuthwala imithwalo, njengeebhulorho kunye nezakhiwo eziphakamileyo.
I-H Beam vs I Beam
Intsimbi yeyona nto ilungelelaniswayo nesetyenziswa rhoqo. Zombini i-H Beam kunye ne-I Beam zezona zinto ziqhelekileyo zokwakha ezisetyenziswa kulwakhiwo lwezakhiwo zorhwebo.
Zombini ziyafana ngokwemilo kubantu abaqhelekileyo, kodwa kukho umahluko omkhulu phakathi kwezi zimbini, nto leyo ebalulekileyo ekufuneka uyazi.
Inxalenye ethe tye yemiqadi ye-H kunye ne-I ibizwa ngokuba ziiflanges, ngelixa inxenye ethe nkqo ibizwa ngokuba yi-"web." I-web inceda ekuthwaleni amandla okucheba, ngelixa iiflanges zenzelwe ukumelana nomzuzu wokugoba.
Ndingubani, Beam?
Yinto eyakhiweyo enemilo efana no-I omkhulu. Iqulathe iiflange ezimbini ezidityaniswe yiwebhu. Umphezulu wangaphakathi weeflange zombini une-slop, ngesiqhelo, eyi-1:6, nto leyo eyenza zibe nkulu ngaphakathi nangaphandle zibe ncinci.
Ngenxa yoko, isebenza kakuhle xa ithwala umthwalo phantsi koxinzelelo oluthe ngqo. Le mqadi inemiphetho enciphileyo kunye nokuphakama okuphezulu kwecandelo elinqamlezileyo xa kuthelekiswa nobubanzi beflengi.
Ngokusekelwe kusetyenziso, amacandelo e-I-beam afumaneka kuluhlu lobunzulu, ubukhulu bewebhu, ububanzi beflange, ubunzima, kunye namacandelo.
Yintoni i-H Beam?
Kwakhona lilungu lesakhiwo elimile njenge-H enkulu equlunqwe ngentsimbi eqengqelekayo. Iibhari ze-H-section zisetyenziswa kakhulu kwizakhiwo zorhwebo nezindlu zokuhlala ngenxa yomlinganiselo wazo wamandla nobunzima kunye neempawu eziphezulu zoomatshini.
Ngokungafaniyo nomqadi we-I, iiflange ze-H beam azina-inside intensity, nto leyo eyenza inkqubo yokuwelda ibe lula. Zombini iiflange zinobukhulu obulinganayo kwaye ziyafana.
Iimpawu zayo ezinqamlezileyo zingcono kune-I beam, kwaye ineempawu ezingcono zoomatshini ngobunzima beyunithi nganye ezigcina izinto kunye neendleko.
Yeyona nto ithandwayo xa kusenziwa amaqonga, ii-mezzanines kunye neebhulorho.
Ekuqaleni, zombini iintsimbi zentsimbi ze-H-section kunye ne-I-section ziyafana, kodwa kukho umahluko omkhulu phakathi kwezi ntsimbi zimbini ezibalulekileyo ukwazi.
Imilo
Umqadi we-h ufana nomfanekiso we-Capital H, ngelixa umqadi we-I ufana nomfanekiso we-Capital I.
Ukuvelisa
Ii-I-beams zenziwe njengesixhobo esinye kuyo yonke indawo, ngelixa i-H-beam ineepleyiti ezintathu zesinyithi ezidityanisiweyo kunye.
Ii-H-beams zinokwenziwa ngobukhulu obufunekayo, ngelixa amandla omatshini wokusila ethintela ukuveliswa kwee-I-beams.
Iiflanges
Iiflange ze-H beam zinobukhulu obulinganayo kwaye ziyafana, ngelixa i-I beam ineeflange ezinciphileyo ezinotyekelo lwe-1: ukuya kwi-1:10 ukuze kube lula ukuthwala umthwalo.
Ubukhulu bewebhu
Umqadi we-h unomnatha otyebileyo kakhulu xa uthelekiswa nomqadi we-I.
Inani leziqwenga
Umqadi we-h-section ufana neqhekeza elinye lesinyithi, kodwa une-bevel apho iipleyiti ezintathu zesinyithi zidityaniswa khona.
Nangona umqadi we-I-section ungaveliswa ngokuhlanganisa okanye ukuhlanganisa amashiti esinyithi, yinxalenye enye yesinyithi ngokupheleleyo.
Ubunzima
Imisebe ye-H inzima ngobunzima xa ithelekiswa nemisebe ye-I.
Umgama Ukusuka kwiFlange ukuya kwiziko lewebhu
Kwicandelo le-I, umgama ukusuka kwisiphelo se-flange ukuya kwiziko lewebhu uncinci, ngelixa kwicandelo le-H, umgama ukusuka kwisiphelo se-flange ukuya kwiziko lewebhu uphezulu kwicandelo elifanayo le-I-beam.
Amandla
Umqadi we-h-section unika amandla angakumbi ngeyunithi nganye yobunzima ngenxa yendawo enqamlezileyo ephucukileyo kunye nomlinganiselo obalaseleyo wamandla nobunzima.
Ngokubanzi, imiqadi ye-I-section inzulu kunobubanzi, nto leyo eyenza ukuba ibe nobuchule kakhulu ekuthwaleni umthwalo phantsi kwe-local buckling. Ngaphezu koko, ilula ngobunzima kunemiqadi ye-H-section, ngoko ke ayizukuthwala umthwalo omkhulu njengemiqadi ye-H.
Ukuqina
Ngokubanzi, imiqadi ye-H-section iqinile kwaye inokuthwala umthwalo onzima kunemiqadi ye-I-section.
Indawo yokudlula
Umqadi we-I-section une-cross-section emxinwa efanelekileyo yokuthwala umthwalo othe ngqo kunye noxinzelelo lokutsalwa kodwa ayilungele ukujijwa.
Xa kuthelekiswa, umqadi we-H unecandelo elibanzi kunelomqadi we-I, onokusingatha umthwalo othe ngqo kunye noxinzelelo lokuxinana kwaye amelane nokujijeka.
Ukulula kokuWelda
Imiqadi ye-H-section ifikeleleka lula kwi-weld ngenxa yee-flanges zayo zangaphandle ezithe tye kunee-section beams ze-I. I-cross-section ye-H-section beam iqine ngakumbi kune-cross-section ye-I-section beam; ngoko ke inokuthwala umthwalo omkhulu ngakumbi.
Ixesha le-Inertia
I-Moment of Inertia ye-beam imisela amandla ayo okumelana nokugoba. Okukhona iphezulu, kokukhona i-beam iya kugoba kancinci.
Imiqadi ye-H-section inee-flanges ezibanzi, ukuqina okuphezulu ecaleni, kunye nomzuzu omkhulu wokungakhathali kunemiqadi ye-I-section, kwaye iyamelana nokugoba kunemiqadi ye-I.
IiSpans
Umqadi we-I-section ungasetyenziselwa ubude obufikelela kwi-33 ukuya kwi-100 yeenyawo ngenxa yemida yokwenziwa, ngelixa umqadi we-H-section ungasetyenziselwa ubude obufikelela kwi-330 yeenyawo kuba unokwenziwa nangayiphi na indlela ngobukhulu okanye ukuphakama.
Uqoqosho
Umqadi wecandelo le-H licandelo elingabizi kakhulu elineempawu zoomatshini eziphuculayo kunemqadi wecandelo le-I.
Isicelo
Imiqadi ye-H-section ifanelekile kwiimezzanines, iibhulorho, amaqonga, kunye nokwakhiwa kwezakhiwo eziqhelekileyo zokuhlala kunye nezorhwebo. Zikwasetyenziselwa iintsika ezithwala umthwalo, itreyila, kunye neebhedi zelori.
Imiqadi yecandelo le-I yindawo eyamkelweyo yeebhulorho, izakhiwo zentsimbi ezakhiweyo, kunye nokwenziwa kweefreyimu zokuxhasa kunye neekholamu zeelifti, iihoist kunye neelifti, iindlela zetroli, iitreyila, kunye neebhedi zeelori.
Ixesha leposi: Septemba-10-2025
