Thaum nws los txog rau kev nrhiav cov khoom siv hauv tsev zoo meej, ib tug neeg tsis tuaj yeem tsis quav ntsej qhov tseem ceeb ntawm ib qhoKub dov H beam- ib yam khoom siv tau ntau yam thiab txhim khu kev qha ua los ntawm cov hlau carbon. Cov nqaj no, tseem hu ua I-beams, tau ntev los nyiam hauv kev lag luam kev tsim kho vim lawv qhov sib piv zoo ntawm lub zog thiab qhov hnyav thiab kev ua kom ruaj khov. Hauv tsab blog no, peb yuav tshawb nrhiav ntau qhov zoo ntawm kev siv cov nqaj H kub dov ua cov khoom siv hauv tsev.
Ib qho ntawm cov laj thawj tseem ceeb uas ua rau cov hlau H beams kub dov nrov heev yog lawv lub zog tshwj xeeb. Ua los ntawm cov hlau carbon, cov beams no muaj lub zog tensile siab thiab tuaj yeem dais cov khoom hnyav yam tsis muaj kev hloov pauv lossis tawg. Qhov no ua rau lawv zoo meej rau kev tsim cov tsev ruaj khov thiab kav ntev, choj, thiab lwm yam haujlwm tsim kho vaj tse.
Tsis tas li ntawd xwb, cov H beams kub dov muaj qhov zoo dua ntawm kev siv tau ntau yam. Cov beams no muaj ntau qhov loj me, qhov ntev, thiab qib, uas tso cai rau cov kws kes duab vajtse thiab cov engineers kho lawv cov qauv tsim raws li lawv xav tau. Txawm tias koj tab tom tsim lub tsev nyob me me lossis lub tsev lag luam loj, cov H beams kub dov tuaj yeem kho kom haum rau koj cov kev xav tau ntawm qhov project.
Lwm yam ntxwv tseem ceeb ntawm cov hlau H beams kub dov yog lawv cov nqi tsim nyog. Cov hlau carbon yog paub txog nws tus nqi pheej yig thiab muaj ntau yam, ua rau nws yog qhov kev xaiv pheej yig rau kev tsim kho. Ntxiv mus, cov txheej txheem tsim cov hlau H beams kub dov ua kom muaj kev ua haujlwm zoo, ua rau cov nqi tsim khoom tsawg dua thiab cov nqi sib tw.
Tsis tas li ntawd xwb, cov hlau H uas dov kub yog ib qho kev xaiv uas zoo rau ib puag ncig. Cov hlau carbon, yog cov khoom siv rov ua dua tshiab, tuaj yeem siv dua ntau zaus yam tsis poob nws cov khoom. Los ntawm kev xaiv cov hlau H uas dov kub ua koj cov khoom siv hauv tsev, koj pab txhawb rau kev lag luam kev tsim kho kom ruaj khov, txhawb kev txuag cov peev txheej thiab txo cov khib nyiab.
Xaus lus, cov hlau H uas dov kub ua los ntawm cov hlau carbon muaj ntau yam zoo ua cov khoom siv hauv tsev. Lawv lub zog tshwj xeeb, kev hloov pauv tau yooj yim, kev siv nyiaj tsim nyog, thiab kev phooj ywg ib puag ncig ua rau lawv yog qhov kev xaiv zoo tshaj plaws rau cov haujlwm tsim kho ntawm txhua qhov ntsuas. Yog li, txawm tias koj tab tom npaj yuav tsim lub tsev nyob, lub tsev lag luam, lossis lwm yam khoom siv hauv paus, xav txog kev siv cov hlau H uas dov kub rau hauv koj tus qauv tsim. Ntseeg peb; koj yuav tsis poob siab rau cov txiaj ntsig!
Tiv tauj peb kom tau cov ntaub ntawv ntxiv txog tus neeg muag khoom uas ntseeg tau
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Lub sijhawm tshaj tawm: Lub Yim Hli-30-2023