Chii chinonzi I Beam?

I-matanda, inozivikanwawo seH-matanda, ndezvimwe zvezvimiro zvinonyanya kushandiswa muuinjiniya nekuvaka. Chimiro chavoI- kana H-yakaita muchinjiko-chikamuinovapa kugona kutakura mitoro yakanakisa uku ichideredza kushandiswa kwezvinhu, zvichiita kuti zvive zvakanaka kune zvakasiyana-siyana zvekushandisa kubva kune zvivakwa uye mabhiriji kusvika pakuvaka ngarava uye maindasitiri masisitimu.

Muchikamu chino, tichanyura mukati memarudzi eI-matanda, yavostructural anatomy,uyenei vachikoshamuzvirongwa zvekuvaka nezvivakwa.

Ⅰ. Mhando dzeI-Beam uye Hunhu Hwadzo

Haasi ese maI-matanda akafanana. Misiyano yakati wandei iripo zvichienderana nechimiro, upamhi hweflange, uye ukobvu hwewebhu. Rudzi rwega rwega runoshanda zvakasiyana zvimiro zvinoenderana nezvinodiwa zvinotakura, mamiriro ekutsigira, uye zviyero zvekugadzira.

1. Standard I-Beams (S-Beams)

Zvakare kunonzi kungotiI-matanda, ivoS-dandandeimwe yemhando dzakanyanya uye dzechinyakare. Inowanzoshandiswa muNorth America uye inoenderana neASTM A6/A992 zvakatemwa.

  • Parallel Flanges: I-matanda ane parallel (dzimwe nguva zvishoma tapered) flanges.

  • Narrow Flange Width: Mafuranji avo akatetepa kana achienzaniswa nemamwe marudzi akapamhama flange.

  • Weight Capacity: Nekuda kwemaflanges avo madiki uye mawebhu akatetepa, akajairwa I-matanda akakodzera kurema mitoro uye anowanzo shandiswa muzvirongwa zvidiki zvekuvaka.

  • Available Lengths: ZvizhinjiI-matandainogadzirwa muhurefu hunosvika 100 tsoka.

  • Typical Applications: Floor joists, matanda edenga, uye zvivakwa zvekutsigira muzvivakwa zvakaderera.

2. H-Piles (Bearing Piles)

H-pilesmatanda anorema-basa akagadzirirwa zvakananga kune yakadzika nheyo uye piling masisitimu.

  • Yakakura, Yakakora Flanges: Iyo yakafara flange inowedzera lateral uye axial mutoro kuramba.

  • Kuenzana Hukobvu: Iyo flange newebhu kazhinji zvine ukobvu hwakaenzana hwekugovera simba rakafanana.

  • Kutakura Mutoro Unorema: H-mirwi inovakwa kuti ityaire muvhu kana pamubhedha uye inogona kutsigira mitoro yakakwira.

  • Inoshandiswa muNheyo: Yakanakira mabhiriji, zvivakwa zvepamusoro-soro, zvivakwa zvemugungwa, uye zvimwe zvinorema zvehuinjiniya zvikumbiro.

  • Design Standard: Kazhinji zvinoenderana neASTM A572 Giredhi 50 kana zvimwe zvakafanana.

3. W-Beams (Wide Flange Beams)

W-matanda, kanaWide Flange Beams, ndiwo anonyanya kushandiswa marudzi ematanda mukuvaka kwemazuva ano.

    • Wider Flanges: Kuenzaniswa ne-standard I-beams, W-matanda ane flanges ayo ari maviri akafara uye anowanzo kukora.

    • Variable Ukobvu: Flange uye webhu ukobvu zvinogona kusiyana zvichienderana nehukuru uye mashandisirwo, izvo zvinopa zvakanyanya kuchinjika mukugadzirwa kwemaitiro.

    • High Simba-to-Weight Ratio: Iyo W-beam's inobudirira chimiro inowedzera simba uku ichidzikisa huremu hwese hwezvinhu.

    • Zvishandiso Zvakasiyana-siyana: Skyscrapers, zvivakwa zvesimbi, mabhiriji, kuvaka ngarava, uye maindasitiri mapuratifomu.

    • Global Use: Inowanikwa muEurope, Asia, uye Americas; kazhinji inogadzirwa kune EN 10024, JIS G3192, kana ASTM A992 zviyero.

Simbi isina tsvina HI Beam welded line

TheStainless simbi H / I danda welded mutsetseinzira yekugadzirwa kwepamusoro-soro inoshandiswa kugadzira matanda ezvimirokubatanidza mahwendefa esimbi isina tsvina kuburikidza neyakanyura arc welding (SAW) or TIG/MIG weldingmaitiro. Mukuita uku, flange yega yega uye mahwendefa ewebhu anonyatso kuunganidzwa uye anoramba achiiswa weld kuti agadzire anodiwa.H-beam kana I-beam profile. Iwo akasungwa matanda anopa yakanakisa mechanic simba, corrosion resistance, uye dimensional kurongeka. Iyi nzira inoshandiswa zvakanyanya pakugadziratsika-saizi matandazvekuvaka, zvemugungwa, uye zvemaindasitiri zvikumbiro apo chiyero chakachinjika-yakatenderedzwa saizi isingawanikwe. Iyo welding process inovimbisakupinda kwakazara uye majoini akasimba, kubvumira danda kuti ritakure mitoro inorema yezvimiro apo ichichengetedza yakakwira corrosion resistance yesimbi isina tsvina.

Ⅱ. Anatomy yeI-Beam

Kunzwisisa chimiro cheI-beam ndicho chinhu chakakosha pakuziva kuti nei ichiita zvakanaka pasi pekunetseka.

1. Flanges

  • Thekumusoro uye pasi horizontal ndiroyedanda.

  • Yakagadzirirwa kurambanguva dzekukotama, vanobata zvinomanikidzira uye zvinonetsa.

  • Flange upamhi uye ukobvu zvinonyanya kusarudza iyodanda rekutakura mutoro.

2. Web

  • Thevertical platekubatanidza flanges.

  • Yakagadzirirwa kurambashear forces, kunyanya pakati pedanda.

  • Webhu ukobvu kunokanganisasimba rose rekugerauye kuoma kwedanda.

3. Chikamu Modulus uye Moment of Inertia

    • Chikamu Modulusinzvimbo yejometri inotsanangura simba redanda rekuramba kukotama.

    • Nguva yeInertiainoyera kuramba kutsauka.

    • The uniqueI-chimiroinopa yakanakisa chiyero chepamusoro nguva kugona nekushandiswa kwakaderera kwezvinhu.

Stainless Steel Beam R Angle Polishing

TheR angle polishingnzira yesimbi isina tsvina H / I matanda inoreva iyokunyatsokwenenzvera kwemukati nekunze fillet (radius) makonauko flange newebhu zvinosangana. Iyi nzira inosimudzirakutsetseka kwepamusorouyeaesthetic kukwezvayedanda ukuwo uchivandudzacorrosion resistancenekubvisa weld discoloration, oxides, uye kushata kwepamusoro munzvimbo dzakakombama dzekuchinja. R angle polishing inonyanya kukosha kunezvekuvaka, hutsanana, uye hutsanana application, uko zvose chitarisiko uye utsanana zvakakosha. Makona eradius akakwenenzverwa anogumayunifomu kupera, kuderedza njodzi yekusvibiswa kwekuvaka, uye kuita kuti kuchenesa kuve nyore. Iyi nhanho yekupedzisa inowanzobatanidzwa nekupenya kwakazara kwepamusoro (semuenzaniso, No.4 kana kupera kwegirazi) kusangana nekusimbazvekushongedza kana kushanda zviyero.

Ⅲ. Zvishandiso zveI-Beams muKuvaka

Nekuda kwesimba ravo repamusoro uye kugona kwemaitiro, I-matanda uye H-matanda anoshandiswa mune angangoita marudzi ese ekuvaka uye inorema engineering chirongwa.

1. Zvivako zvekutengesa uye zvekugara

  • Main Structural Frames: Inoshandiswa mumakoramu, matanda, uye magidhi kutsigira zvivakwa zvine nhurikidzwa dzakawanda.

  • Roof uye Floor Systems: I-matanda anoita chikamu cheskeleton inotsigira pasi nematenga.

  • Industrial Platforms uye Mezzanines: Yavo yakakwirira-yekutakura inotakura yakanakira mezzanine uriri kuvaka.

2. Infrastructure Projects

  • Mabhiriji uye Overpass: W-matanda uye H-piles anowanzoshandiswa mumabhiriji girders uye dhizaini zvinotsigira.

  • Railway Structures: I-matanda anoshandiswa mumabhedha ekutevedza uye mapuranga anotsigira.

  • Migwagwa mikuru: Guardrails anowanzo shandisa W-beam simbi profiles yekukanganisa kuramba.

3. Marine uye Offshore Engineering

  • Port Facilities uye Piers: H-mirwi inofambiswa muvhu repasi pemvura inogadzira zvitsigiro.

  • Kuvaka ngarava: Huremu asi yakasimba I-matanda anoshandiswa muhull mafuremu uye decks.

4. Industrial Manufacturing uye Equipment

  • Michina Inotsigira Maframes: I-matanda anopa nheyo dzakasimba dzekukwira midziyo.

  • Cranes uye Gantry Beams: High-simba W-matanda anoshanda sepamusoro njanji kana makwara.

Ⅳ. Zvakanakira zveI-Beams

Injiniya nevagadziri vanosarudzaI-matandanekuti ivo vanopa akawanda maitiro uye ehupfumi mabhenefiti:

1. High Strength-to-Weight Ratio

Iyo I-shape inokwidziridza kutakura-kuremerwa simba paunenge uchishandisa zvinhu zvishoma, zvichitungamira kuderera kushandiswa kwesimbi uye mutengo wepurojekiti.

2. Dhizaini Flexibility

Saizi nemhando dzakasiyana (semuenzaniso, S-matanda, W-matanda, H-piles) zviripo kuti zvizadzise zvakasiyana siyana zvinodiwa.

3. Mutengo-Kubudirira

Nekuda kwechimiro chavo chakagadziridzwa uye kuwanikwa kwakapararira, I-matanda anopa imwe yeakanakisamutengo-kuita reshiyomukugadzirwa kwesimbi.

4. Kusununguka kweKugadzira uye Welding

Flanges uye mawebhu anogona kucheka zviri nyore, kudhirowa, uye kusungirirwa uchishandisa yakajairwa nzira dzekugadzira.

5. Kugara kwenguva refu

Kana yagadzirwa kubvayakakwirira-simba simbi yekugadzira(semuenzaniso, ASTM A992, S275JR, Q235B), I-matanda anopa zvakanakisa kuramba kupfeka, ngura, uye kukanganisa.

Ⅴ. I-Beam Selection Criteria

Pakusarudza mhando yakakodzera yeI-dandakune chirongwa, funga zvinotevera:

  • Rodha Zvinodiwa: Sarudza axial, shear, uye kukotamisa mitoro.

  • Span Length: Marefu marefu anowanzoda maflange akafara kana epamusoro chikamu modulus.

  • Foundation kana Frame Type: H-mirwi yenheyo dzakadzika; W-matanda ekutanga mafuremu.

  • Material Giredhi: Sarudza iyo chaiyo simbi giredhi zvichienderana nesimba, weldability, uye corrosion kuramba.

  • Kutevedza Mitemo: Ita shuwa kuti danda rinoenderana neASTM, EN, kana JIS zviyero zvedunhu rako kana chirongwa.

Mhedziso

I-matanda-ingave muyeroS-matanda, W-matanda, kana kuti heavy-dutyH-piles- ndivomusana wemazuva ano structural engineering. Dhizaini yavo inoshanda, kuwanda kwezvigadziriso, uye yakanakisa michina zvivakwa zvinoita kuti vakwanise kune zvese kubva kune skyscrapers kusvika kumabhiriji, michina kusvika kumahombekombe emahombekombe.

Kana yakashandiswa nemazvo,I-matandakupa simba risingaenzaniswi, kusimba, uye hupfumi mukuvaka. Kunzwisisa mutsauko uripo pakati pemhando yega yega kunogona kubatsira mainjiniya, vavaki, uye nyanzvi dzekutenga zvinhu kuita sarudzo dzine ruzivo dzinogonesa zvese zviri zviviri.kuita uye mutengo-kubudirira.

Nguva yekutumira: Jan-31-2024