Seem steel yog ib hom hlau uas muaj qhov tshwj xeeb hla ntu, uas yog siv dav hauv ntau lub tsev thiab cov cuab yeej siv tshuab. Muaj ntau ntau yam uas yuav tsum tau xav txog thaum xaiv cov seem steel kom paub meej tias koj xaiv cov seem hlau zoo.
Ua ntej ntawm tag nrho cov, los ntawm kev xav ntawm cov khoom qauv, seem steel yuav muab faib ua ntau hom, xws li H-beam, I-beam, channel steel, thiab lwm yam. cov duab thiab qhov loj me, yog li nws yog qhov tsim nyog los xaiv txoj cai ntawm ntu raws li daim ntawv thov xav tau. Piv txwv li, H-beam muaj lub zog siab thiab rigidity, uas yog tsim rau cov qauv tsim thiab cov cuab yeej siv tshuab uas dais loj; Cov channel steel muaj zoo dabtsi yog khoov tsis kam thiab cross-sectional modulus, thiab yog haum rau cov qauv uas dais transverse dabtsi yog khoov loads.
Thib ob, los ntawm kev xav ntawm yuav ua li cas xaiv cov khoom, cov ntsiab lus hauv qab no yuav tsum tau muab sau tseg:
1. Txiav txim siab hom, qhov loj me thiab ntau npaum li cas ntawm cov seem steel;
2. Txheeb xyuas qhov tsim nyog thiab lub koob npe nrov ntawm cov chaw tsim khoom kom ntseeg tau tias qhov zoo ntawm cov khoom seem steel yog txhim khu kev qha;
3. Xav txog tus nqi thiab lub voj voog xa khoom los xaiv tus neeg xa khoom zoo;
4. Ua kev soj ntsuam zoo ntawm cov khoom seem steel los xyuas kom meej tias nws ua tau raws li qhov yuav tsum tau ua.
Thaum kawg, los ntawm kev pom ntawm cov khoom zoo thiab siv cov xwm txheej, ntu steel muaj qhov zoo hauv qab no:
1. Muaj zog thiab nruj, muaj peev xwm tiv taus cov khoom loj;
2. Cov qauv ntu ntu yog qhov loj, uas tuaj yeem nqus tau lub zog thiab cuam tshuam kev ntxhov siab;
3. Kev ua haujlwm yooj yim, tuaj yeem txiav, drilling, vuam thiab lwm yam kev ua raws li qhov xav tau;
4. Nws yog tsim rau txhua yam kev tsim vaj tsev thiab cov cuab yeej siv tshuab, xws li txuas hniav, cov tsev siab siab, qhov tunnels, cov hlab ntsha siab, thiab lwm yam.
