Kuyini i-I Beam?

Imishayo ye-I, obeye aziwe njengoImisebe ye-H, ziphakathi kwezingxenye zesakhiwo ezisetshenziswa kakhulu kwezobunjiniyela nokwakha zanamuhla.Ingxenye evundlile enomumo we-I noma u-Hkuzinika amakhono amahle kakhulu okuthwala imithwalo ngenkathi kunciphisa ukusetshenziswa kwezinto ezibonakalayo, okwenza zifaneleke kakhulu ezinhlotsheni eziningi zezicelo kusukela ezakhiweni nasemabhuloho kuya ekwakhiweni kwemikhumbi nasezinhlakeni zezimboni.

Kulesi sihloko, sizogxila kakhulu ku-izinhlobo ze-I-beams, zaboisakhiwo somzimba, futhikungani zibaluleke kangakakumaphrojekthi okwakha kanye nengqalasizinda.

Ⅰ. Izinhlobo ze-I-Beams kanye nezici zazo

Akuzona zonke izinsimbi ze-I ezifanayo. Kunezinhlobo eziningana ezikhona ngokusekelwe esimweni, ububanzi be-flange, kanye nobukhulu bewebhu. Uhlobo ngalunye lufeza izinjongo ezahlukene zesakhiwo kuye ngezidingo zomthwalo, izimo zokusekela, kanye nezindinganiso zomklamo.

1. I-I-Beams Ejwayelekile (I-S-Beams)

Kubizwa nangokuthi njeImishayo ye-I, iUkukhanya kwe-Singenye yezinhlobo eziyisisekelo nezivamile. Ivame ukusetshenziswa eNyakatho Melika futhi ihambisana nezincazelo ze-ASTM A6/A992.

• Ama-Flanges ahambisanayo: I-I-beams ine-flanges ezihambisanayo (ngezinye izikhathi ezinciphile kancane).

• Ububanzi beFlange Encane: Ama-flange abo mancane uma kuqhathaniswa nezinye izinhlobo ze-flange beam ezibanzi.

• Isisindo Amandla: Ngenxa yama-flange awo amancane kanye nama-web amancane, ama-I-beams ajwayelekile afanelekela imithwalo elula futhi avame ukusetshenziswa kumaphrojekthi okwakha amancane.

• Ubude obutholakalayo: IningiImishayo ye-Izikhiqizwa ngobude obufika kumamitha ayi-100.

• Izicelo Ezijwayelekile: Izikhonkwane zephansi, imishayo yophahla, kanye nezakhiwo zokusekela ezakhiweni eziphansi.

2. Ama-H-Piles (Ama-Bearing Piles)

Ama-H-pilesyizinsika ezisindayo ezenzelwe ngqo izisekelo ezijulile kanye nezinhlelo zokufaka izinsika.

• Ama-Flange abanzi, Aqinile: I-flange ebanzi yandisa ukumelana nomthwalo ohlangothini kanye nowe-axial.

• Ubukhulu obulinganayo: I-flange kanye ne-web zivame ukuba nobukhulu obulinganayo bokusabalalisa amandla afanayo.

• Ukuthwala Umthwalo Osindayo: Ama-H-piles akhelwe ukushayela enhlabathini noma emadwaleni futhi angasekela imithwalo ephezulu kakhulu.

• Kusetshenziswa Ezisekelweni: Ilungele amabhuloho, izakhiwo eziphakeme, izakhiwo zasolwandle, kanye nezinye izinhlelo zokusebenza zobunjiniyela bezokwakha ezisindayo.

• Izinga Lokuklama: Ngokuvamile kuhambisana ne-ASTM A572 Grade 50 noma imininingwane efanayo.

3. Imishayo Ebanzi (Imishayo Ebanzi Yeflange)

Imisebe engu-WnomaImisebe Ebanzi Yeflange, yizinhlobo zemishayo ezisetshenziswa kakhulu ekwakheni kwanamuhla.

• Ama-Flanges abanzi: Uma kuqhathaniswa ne-I-beams ejwayelekile, i-W-beams ine-flanges ebanzi futhi evame ukuba nkulu.

• Ubukhulu obuguquguqukayo: Ubukhulu be-flange kanye ne-web bungahluka kuye ngobukhulu kanye nokusetshenziswa, okunikeza ukuguquguquka okwengeziwe ekwakhiweni kwesakhiwo.

• Isilinganiso Esiphezulu Samandla Nesisindo: Ukuma okusebenzayo kwe-W-beam kukhulisa amandla ngenkathi kunciphisa isisindo sezinto ezibonakalayo.

• Izicelo Ezihlukahlukene: Izakhiwo ezinde, izakhiwo zensimbi, amabhuloho, ukwakha imikhumbi, kanye namapulatifomu ezimboni.

• Ukusetshenziswa Komhlaba Wonke: Kuvamile eYurophu, e-Asia, naseMelika; kuvame ukukhiqizwa ngokwezindinganiso ze-EN 10024, JIS G3192, noma ze-ASTM A992.

Umugqa wensimbi engagqwali we-HI Beam ohlanganisiwe

Iumugqa ohlanganisiwe wensimbi engagqwali we-H/I beaminqubo yokukhiqiza esebenza kahle kakhulu esetshenziselwa ukukhiqiza imishayo yesakhiwoukuhlanganisa amapuleti ensimbi engagqwali ngokusebenzisa ukushisela kwe-arc okungaphansi komhlaba (i-SAW) or Ukushisela kwe-TIG/MIGamasu. Kule nqubo, amapuleti e-flange nama-web ahlanganiswa ngokunembile futhi ahlanganiswe ngokuqhubekayo ukuze akhe okufunwayoIphrofayili ye-H-beam noma i-I-beam. Imishayo ehlanganisiwe inikeza amandla amahle kakhulu okusebenza, ukumelana nokugqwala, kanye nokunemba okulinganayo. Le ndlela isetshenziswa kabanzi ekukhiqizeniimishayo yosayizi owenziwe ngokwezifisokwezicelo zokwakha, zasemanzini, kanye nezezimboni lapho osayizi abajwayelekile be-hot-rolled bengatholakali khona. Inqubo yokushisela iqinisekisaukungena okugcwele kanye namalunga aqinile, okuvumela ugongolo ukuthi luthwale imithwalo esindayo yesakhiwo ngenkathi lugcina ukumelana nokugqwala okuphezulu kwensimbi engagqwali.

Ⅱ. Ukwakheka kwe-I-Beam

Ukuqonda isakhiwo se-I-beam kubalulekile ekuqondeni ukuthi kungani isebenza kahle kangaka ngaphansi kokucindezeleka.

1. Ama-Flange

• Iamapuleti avundlile aphezulu naphansiyomsebe.

• Yakhelwe ukumelanaizikhathi zokugoba, babhekana nokucindezeleka okucindezelayo nokucindezelwayo.

• Ububanzi kanye nobukhulu be-flange kunquma kakhuluamandla okuthwala umthwalo we-beam.

2. Iwebhu

• Iipuleti eliqondileukuxhuma ama-flange.

• Yakhelwe ukumelanaamabutho okugunda, ikakhulukazi phakathi nogongolo.

• Ukujiya kwewebhu kuthintaamandla okusika jikelelekanye nokuqina kogongolo.

3. Isigaba Se-Modulus kanye Nesikhathi Sokungabi Naso Isibindi

• I-Section Moduluskuyisici sejometri esichaza amandla ogongolo okumelana nokugoba.

• Isikhathi Sokungabi Nasoilinganisa ukumelana nokuphambuka.

• OkuyingqayiziveleIsimo se-Iinikeza ibhalansi enhle kakhulu yamandla aphezulu kanye nokusetshenziswa kwezinto eziphansi.

Insimbi Engagqwali I-HI Beam R Angle Polishing

IUkupholisha i-R angleinqubo yemishayo ye-H/I yensimbi engagqwali ibhekisela kuukupholisha ngokunemba kwamakhona angaphakathi nangaphandle kwefillet (radius)lapho i-flange kanye ne-web kuhlangana khona. Le nqubo ithuthukisaukushelela kobusofuthiukukhanga kobuhlekokukhanya ngenkathi futhi kuthuthukiswaukumelana nokugqwalangokususa ukushintsha kombala we-weld, ama-oxide, kanye nokuqina kobuso ezindaweni zokuguquka ezigobile. Ukupholisha i-R angle kubaluleke kakhuluizinhlelo zokusebenza zokwakha, zokuhlanzeka, kanye nezindawo zokuhlanza, lapho ukubukeka kanye nokuhlanzeka kubalulekile khona. Amakhona erediyasi acwebezelayo aphumelaisiphetho esifanayo, kunciphisa ingozi yokwakheka kokungcola, futhi kube lula ukuhlanza. Lesi sinyathelo sokuqeda sivame ukuhlanganiswa nokupholisha okugcwele kwendawo (isb., Inombolo 4 noma ukuqeda kwesibuko) ukuze kuhlangatshezwane nokuqinaamazinga okuhlobisa noma asebenzayo.

Ⅲ. Ukusetshenziswa kwe-I-Beams ekwakheni

Ngenxa yamandla azo aphezulu kanye nokusebenza kahle kwesakhiwo, i-I-beams kanye ne-H-beams zisetshenziswa cishe kuzo zonke izinhlobo zokwakha kanye nephrojekthi yobunjiniyela obunzima.

1. Izakhiwo Zezentengiselwano Nezokuhlala

• Amafreyimu Ayinhloko Esakhiwo: Kusetshenziswa ezinsikeni, emishayweni, nasezindaweni zokubopha ukuze kusekelwe izakhiwo ezinezitezi eziningi.

• Izinhlelo Zophahla Nephansi: I-I-beams yakha ingxenye yohlaka olusekela phansi nophahla.

• Amapulatifomu Ezimboni kanye nama-Mezzanine: Umthamo wazo wokuthwala umthwalo omkhulu ulungele ukwakhiwa kwephansi le-mezzanine.

2. Amaphrojekthi Engqalasizinda

• Amabhuloho kanye nezindawo zokudlula ngaphezulu: Ama-W-beams nama-H-piles avame ukusetshenziswa kuma-bridge girders kanye nasezisekelweni zamadekhi.

• Izakhiwo Zesitimela: I-I-beams isetshenziswa emibhedeni yethrekhi kanye nozimele abasekelayo.

• Imigwaqo emikhulu: Izithiyo zokuvikela zivame ukusebenzisa amaphrofayili ensimbi ye-W-beam ukuze zivikeleke ekushayweni.

3. Ubunjiniyela Bezasolwandle Nasezindaweni Zasogwini

• Izikhungo Zechweba kanye Nezimbobo: Ama-H-piles aqhutshelwa enhlabathini engaphansi kwamanzi akha izisekelo eziyisisekelo.

• Ukwakha imikhumbi: Kusetshenziswa imisebe ye-I elula kodwa eqinile kumafreyimu nasemadekini.

4. Ukukhiqiza Nemishini Yezimboni

• Amafreyimu Okusekela Imishini: I-I-beams inikeza izisekelo eziqinile zemishini yokufaka.

• Ama-crane kanye ne-Gantry Beams: Izinsimbi ze-W ezinamandla aphezulu zisebenza njengezinsimbi noma imigwaqo engenhla.

Ⅳ. Izinzuzo ze-I-Beams

Onjiniyela nabakhi bezakhiwo bakhethaImishayo ye-Ingoba zinikeza izinzuzo eziningi zesakhiwo nezomnotho:

1. Isilinganiso Esiphezulu Samandla-kuya-Esisindoni

Isimo se-I senza kube lula ukuthwala umthwalo ngenkathi kusetshenziswa izinto ezincane, okuholela ekunciphiseni ukusetshenziswa kwensimbi kanye nezindleko zephrojekthi.

2. Ukuguquguquka Komklamo

Osayizi nezinhlobo ezahlukene (isib., imisebe ye-S, imisebe ye-W, ama-H-piles) ayatholakala ukuze kuhlangatshezwane nezidingo ezahlukene zesakhiwo.

3. Ukuphumelela Ngezindleko

Ngenxa yephrofayili yabo elungiselelwe kahle kanye nokutholakala kabanzi, ama-I-beams anikeza enye yezindawo ezinhle kakhuluizilinganiso zezindleko nokusebenzaekwakheni insimbi.

4. Ukulula Kokwenza Nokushisela

Ama-flanges nama-web angasikwa kalula, abholwe, futhi ashiselwe kusetshenziswa amasu okukhiqiza ajwayelekile.

5. Ukuqina

Uma kukhiqizwa kusukainsimbi yesakhiwo enamandla aphezulu(isb., i-ASTM A992, i-S275JR, i-Q235B), ama-I-beam anikeza ukumelana okuhle kakhulu nokuguguleka, ukugqwala, kanye nokushayisana.

Ⅴ. Izindlela Zokukhetha i-I-Beam

Uma ukhetha uhlobo olufanele lwe-I-beamngephrojekthi, cabanga ngalokhu okulandelayo:

• Izidingo Zomthwalo: Nquma imithwalo ye-axial, shear, kanye ne-golding.

• Ubude be-Span: Izipikha ezinde zivame ukudinga ama-flange abanzi noma i-section modulus ephezulu.

• Uhlobo Lwesisekelo noma Uhlaka: Ama-H-piles ezisekelo ezijulile; ama-W-beams okwakha uhlaka oluyinhloko.

• Ibanga Lezinto Ezibalulekile: Khetha izinga lensimbi elifanele ngokusekelwe emandleni, ukushibilika, kanye nokumelana nokugqwala.

• Ukuthobela Izindinganiso: Qinisekisa ukuthi ugongolo luhambisana nezindinganiso ze-ASTM, EN, noma ze-JIS zesifunda noma iphrojekthi yakho.

Isiphetho

I-beams—kungakhathaliseki ukuthi ijwayelekileImisebe ye-S, Imisebe engu-W, noma umsebenzi onzimaAma-H-piles—yiboumgogodla wobunjiniyela bezakhiwo besimanjeUmklamo wazo ophumelelayo, ububanzi bezakhiwo, kanye nezakhiwo ezinhle kakhulu zemishini kuzenza zifaneleke kuyo yonke into kusukela ezakhiweni eziphakeme kuya emabhulohweni, imishini kuya ezingosini zokudoba zasogwini.

Uma isetshenziswa kahle,Imishayo ye-Iukunikeza amandla angenakuqhathaniswa, ukuqina, kanye nokonga ekwakheni. Ukuqonda umehluko phakathi kohlobo ngalunye kungasiza onjiniyela, abakhi, kanye nochwepheshe bokuthenga benze izinqumo ezinolwazi ezithuthukisa kokubiliukusebenza kahle kanye nokusebenzisa kahle izindleko.