Ikozvino Mamiriro eH-shaped Steel Development
Munzvimbo inogara ichishanduka yeinjiniya yemabhiriji, shanduko yepasi iri kuitika nekushandiswa kwehunyanzvi hwekushandisa.H-beam profiles. Mainjiniya uye zvikwata zvekuvaka muindasitiri yese zvino vava kushandisa zvivakwa zvakasarudzika zveH-dandaprofiles, akapetwa neyakaomeswa lightweight dhizaini, kusimudzira zvakanyanya kurongeka-kuremerwa kugona kwemabhiriji-kucherekedza nguva nyowani yekushanda zvakanaka, kuchengetedzeka, uye kusimba mukuvandudza kwezvivakwa.
Nhanganyaya uye zvakanakira H-yakaita simbi
H-beam profiles, inozivikanwa neyakasiyana "H" yakaumbwa muchinjiko-chikamu, yakagara ichizivikanwa nekuda kwehukuru hwemakina. Kusiyanazvechinyakare simbi profilesakadai seI-matanda, H-matanda anoratidzira akaenzana kumusoro uye pasi flanges akabatana nedandemutande gobvu, zvichikonzera kugovera kwakaringana kwesimba. Iyi dhizaini inobvumira H-matanda kuramba kukotama uye torsion zvinobudirira, zvichiita kuti ive sarudzo yakanaka yezvinotakura zvinhu mumapurojekiti ebhiriji. Nekudaro, iko kubatanidzwa kweakareruka dhizaini misimboti yakavhura kugona kwavo kuzere mumakore achangopfuura.
"Kwemakumi emakore, mainjiniya emabhiriji akatarisana nekutengeserana: kuwedzera simba rekutakura mutoro, taiwanzofanira kuwedzera uremu uye huwandu hwesimbi yakashandiswa, iyo yakasimudza mari yekuvaka, yakawedzerwa nguva yeprojekti, uye yakawedzera kudzvinyirira kune zvivakwa zvenheyo," akatsanangura kudaro Dr. Elena Carter, injinjini yepamusoro yeGlobal Infrastructure Innovations (GII), kambani inotungamirira mukugadzira bhiriji uye kuvaka. "Ne H-beam profiles uye lightweight dhizaini, taparadza kutengeserana uku. Nekugadzirisa zvikamu zvakachinjika zveH-beams-kudzikisa zvinhu zvisina basa munzvimbo dzisiri dzakakosha uku tichisimbisa nzvimbo dzinoshushikana zvakanyanya - takagadzira zvimiro zvakareruka asi zvinotokwanisa kubata mitoro inorema."
Ndeapi mabhenefiti ekureruka dhizaini yeH-yakaita simbi?
"Magadzirirwo akareruka eH-matanda haana kungovandudza huwandu hwekutakura; yakashandura maitiro ese ekuvaka," akadaro Mark Torres, maneja wepurojekiti yeWest River Crossing Bridge. “Zvinhu zvikareruka zvaireva kuti taigona kushandisa makireni maduku, kuderedza nhamba yenzendo dzokutakura zvinhu, uye kukurumidzisa gungano panzvimbo yacho.” Basa racho rakapedzwa mavhiki matatu nguva yakanga isati yakwana, uye takachengeta mari inosvika mamiriyoni 1,5 emadhora.
Kupfuura mutengo uye kubudirira kunowanikwa, kushandiswa kwehunyanzvi hweH-beam profiles muinjiniya yemabhiriji kunopawo kune zvibodzwa zvekusimudzira. Nekudzikisa kushandiswa kwesimbi, mapurojekiti akaita seWest River Crossing Bridge anodzikisa kabhoni yakabatana nekugadzirwa kwesimbi - chinhu chakakosha mukuedza kwepasirese kudzikamisa shanduko yemamiriro ekunze. Pamusoro pezvo, dhizaini yakareruka inoderedza kukanganiswa kwezvakatipoteredza kwenheyo dzebhiriji, sezvo kuchera kushoma uye kongiri inodiwa kutsigira chimiro, kuderedza kukanganisa kune ecosystem.
Kubudirira kweramangwana resimbi yakagadzirwa neH
Nyanzvi dzemaindasitiri dzinofanotaura kuti maitiro aya acharamba achiwedzera sezvo mapurojekiti ezvivakwa pasi rese achikoshesa kusimba uye kusimba. Sangano reInternational Association of Bridge uye Structural Injiniya (IABSE) nguva pfupi yadarika yakaburitsa chirevo ichicherechedza izvozvoH-beam profiles ine lightweight dhizainiinotarisirwa kushandiswa mu45% yepakati-kusvika-hombe mapurojekiti ebhiriji panosvika 2028, kubva pa15% chete muna 2020.
"Mabhiriji ndiwo musana wezvifambiso zvekufambisa, uye kushanda kwavo kunokanganisa zvakananga hupfumi uye hupenyu hwezuva nezuva," Dr. Carter akawedzera. "Mashandisirwo matsva eH-beam profiles hakusi kufambira mberi kwehunyanzvi - imhinduro inogadzirisa matambudziko ari kunyanya kunetsa muindasitiri: chengetedzo, kushanda zvakanaka, uye kuenderera mberi." Sezvo isu tichiramba tichikwenenzvera magadzirirwo akareruka uye kugadzira zvinhu zvine simba repamusoro-soro reH-beam, tichakwanisa kuvaka mabhiriji ane njere, anogara kwenguva refu, uye anoenderana nezera remangwana.
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Nguva yekutumira: Sep-02-2025