Square Hollow Section (SHS)?
Qhov zoo: square, tag nrho cov kab sab xis
Cov yam ntxwv: siab dua symmetry piv rau RHS, zoo dua rau kev sib koom thiab vuam. Uniform nto, haum rau txheej.
Daim Ntawv Thov: Feem ntau siv rau hauv cov qauv ntawm cov tsev, cov khoom siv tsim khoom, thiab lwm yam.
Rectangular Hollow Section (RHS) yog dab tsi?
Qhov zoo: cov duab plaub, qhov ntev sib txawv ntawm ob sab ntawm ntug
Yam ntxwv: Lub zog khoov zoo heev, tshwj xeeb tshaj yog thaum thauj khoom nrog sab ntev. Tab sis kuj vim nws asymmetry, lub peev xwm load hloov
Daim ntawv thov: Rau cov kabmob load-bearing beams, qhov rooj thav duab, tshuab thav duab thiab cov qauv xav tau lub zog nyob rau hauv ntau cov lus qhia.
Circular Hollow Section (CHS) yog dab tsi?
Qhov zoo: symmetrical zoo, tuaj yeem lees txais lub zog los ntawm txhua qhov kev qhia, kev ua haujlwm sib luag hauv kev thauj khoom.
Cov yam ntxwv: zoo heev torsional thiab rotational zog, zoo mechanical zog, muaj peev xwm ua tau dej thauj
Kev siv: kev tsim kho, kev txhawb nqa. Railing thiab lwm lub sijhawm uas yuav tsum tau muaj zog sib xws
Lo lus "Hollow Section" (HSS: Hollow Structural Section) yog hais txog ib hom hlau profile nrog lub hollow tubular cross-section.Lo lus siv feem ntau hauv Tebchaws Meskas, lossis lwm lub tebchaws uas ua raws li Asmeskas kev tsim kho lossis engineering terminology. Cov ntu no kuj yog qee zaum hu ua tube steel lossis structural tubing. Lawv feem ntau yog ua los ntawm cov hlau, tab sis qee zaum siv lwm cov ntaub ntawv xws li yas lossis fiberglass. Cov hlau feem ntau siv los ua cov seem hollow yog carbon steel (CS), stainless hlau (SS), txhuas (Al), thiab tooj liab (Cu). Alloys xws li titanium, zirconium, thiab lwm yam kuj tuaj yeem siv los ua cov seem hollow.
Hollow seem yog qhov tseem ceeb rau lawv siv hauv kev tsim kho kev lag luam vim tias lawv muaj ntau yam txiaj ntsig. Piv txwv li, lawv muaj lub zog-rau-qhov hnyav piv uas ua rau lawv zoo tagnrho rau kev siv hauv kev siv cov kabmob load. Lawv kuj muaj zog heev thiab resistant rau torsional rog, ua rau lawv zoo tagnrho rau siv nyob rau hauv txhua kab thiab kab. Tsis tas li ntawd, hollow seem muab kev tiv thaiv zoo rau kev cuam tshuam thiab kev puas tsuaj, ua rau lawv tsim nyog siv rau hauv cov qauv siv uas muaj kev pheej hmoo ntawm kev cuam tshuam lossis puas. Thaum kawg, hollow seem muaj kev tiv thaiv corrosion heev thiab yog li ntawd feem ntau siv nyob rau hauv corrosive ib puag ncig xws li offshore roj.
