Ib qho I-beam yog ib tus tswv cuab nrog I-shaped cross-section (zoo ib yam li lub peev "I" nrog serifs) lossis H-shaped. Lwm cov ntsiab lus tseem ceeb xws li H-beam, I-section, universal kem (UC), W-beam (sawv rau "wide flange"), universal beam (UB), dov steel joist (RSJ), los yog ob-T. Lawv yog ua los ntawm cov hlau thiab tuaj yeem siv rau hauv ntau yam kev tsim kho.
Hauv qab no, cia peb sib piv qhov sib txawv ntawm H-beam thiab I-beam los ntawm kev xaav hla ntu. Kev siv ntawm H-beam
H-beam feem ntau yog siv nyob rau hauv tej yaam num uas yuav tsum tau ntev spans thiab siab load-bearing muaj peev xwm, xws li txuas hniav thiab high-sawv vaj tse.
H Beam Vs Kuv
Hlau yog qhov hloov tau zoo tshaj plaws, tsis tu ncua siv cov khoom siv. Ob leeg H Beam thiab I Beam yog cov qauv siv ntau tshaj plaws siv hauv kev tsim kho vaj tse.
Ob leeg zoo sib xws rau cov neeg niaj hnub, tab sis muaj qhov sib txawv tseem ceeb ntawm ob qho no, uas yog qhov tseem ceeb kom paub.
Kab rov tav ntawm ob H thiab kuv kab teeb yog hu ua flanges, thaum qhov ntsug yog hu ua "web." Lub vev xaib pab txhawb nqa lub zog shear, thaum lub flanges tau tsim los tiv thaiv lub sijhawm khoov.
Kuv yog dab tsi, Beam?
Nws yog ib qho kev tivthaiv uas zoo li lub peev I. Nws muaj ob lub flanges txuas nrog lub vev xaib. Sab hauv ntawm ob lub flanges muaj nqes, feem ntau, 1: 6, uas ua rau lawv tuab sab hauv thiab nyias sab nraud.
Yog li ntawd, nws ua tau zoo ntawm bearing load nyob rau hauv ncaj qha siab. Cov kab no muaj cov npoo npoo thiab siab dua qhov siab ntawm qhov sib piv nrog qhov dav ntawm flange.
Raws li kev siv, I-beam seem muaj nyob rau hauv ntau qhov tob, web thickness, flange widths, hnyav, thiab seem.
H Beam yog dab tsi?
Nws kuj tseem yog cov tswv cuab ntawm cov qauv uas zoo li lub peev H uas muaj cov hlau dov. H-section beams yog dav siv rau kev lag luam thiab vaj tsev nyob vim lawv lub zog-rau-hnyav piv thiab cov khoom siv tshuab zoo dua.
Tsis zoo li kuv beam, H beam flanges tsis muaj qhov inclination, ua rau cov txheej txheem vuam yooj yim. Ob lub flanges muaj qhov sib npaug thickness thiab yog sib npaug rau ib leeg.
Nws cov yam ntxwv cross-sectional zoo dua li kuv beam, thiab nws muaj cov khoom siv kho tshuab zoo dua rau ib chav tsev qhov hnyav uas txuag cov khoom thiab nqi.
Nws yog cov khoom siv rau cov platforms, mezzanines, thiab txuas hniav.
Thaum xub thawj pom, ob qho tib si H-section thiab I-section steel beam zoo sib xws, tab sis qee qhov sib txawv tseem ceeb ntawm ob kab hlau no yog qhov tseem ceeb kom paub.
Cov duab
Lub h beam zoo ib yam li cov duab ntawm Capital H, thaum lub nqaj kuv yog cov duab ntawm Capital I.
Kev tsim khoom
I-beams yog tsim los ua ib daim thoob plaws, thaum H-beam muaj peb daim hlau welded ua ke.
H-beams tuaj yeem tsim rau txhua qhov kev xav tau, thaum lub tshuab milling muaj peev xwm txwv kev tsim cov I-beams.
Flanges
H beam flanges muaj qhov sib npaug thickness thiab sib npaug rau ib leeg, thaum kuv beam muaj tapered flanges nrog inclination ntawm 1: rau 1:10 kom zoo dua load-bearing muaj peev xwm.
Web Thickness
Lub h beam muaj lub web tuab tuab dua li piv rau kuv beam.
Tus naj npawb ntawm daim
Lub h-section beam zoo ib yam li ib daim hlau, tab sis nws muaj ib qho bevel uas peb daim hlau yog welded ua ke.
Whereas I-section beam tsis yog tsim los ntawm vuam lossis riveting hlau los xij ua ke, nws tsuas yog ib feem ntawm cov hlau nkaus xwb.
Qhov hnyav
H beams hnyav dua li piv rau kuv kab teeb.
Distance From Flange kawg Rau Web's center
Hauv I-section, qhov kev ncua deb ntawm flange kawg mus rau Web qhov chaw nruab nrab yog tsawg, thaum nyob rau hauv H-section, Qhov kev ncua deb ntawm flange kawg mus rau lub Web qhov chaw yog siab dua rau seem zoo sib xws ntawm I-beam.
Lub zog
Lub h-section beam muab lub zog ntau dua rau ib chav tsev qhov hnyav vim qhov kev ua kom zoo dua ntawm qhov chaw hla thiab qhov zoo tshaj plaws lub zog-rau-qhov hnyav piv.
Feem ntau, I-section beams yog qhov tob tshaj qhov dav, ua rau lawv zoo heev ntawm kev coj tus kheej nyob rau hauv lub zos buckling. Tsis tas li ntawd, lawv hnyav dua li H-section kab teeb, yog li lawv yuav tsis nqa qhov hnyav li H-beams.
Rigidity
Feem ntau, H-section beams yog nruj dua thiab tuaj yeem nqa hnyav dua li I-section beams.
Hla ntu
I-section beam muaj qhov nqaim hla ntu tsim nyog rau kev coj tus kheej ncaj qha thiab tensile stresses tab sis tsis zoo tiv thaiv kev sib tw.
Hauv kev sib piv, H beam muaj qhov dav dav dua li ntawm I beam, uas tuaj yeem tswj tau qhov ncaj qha load thiab tensile stresses thiab tiv thaiv twisting.
Yooj yim ntawm vuam
H-section beams tau yooj yim dua rau vuam vim lawv cov flanges ncaj nraim dua li I-section beams. H-section beam cross-section yog muaj zog dua li I-section beam cross-section; yog li nws tuaj yeem nqa lub nra hnyav dua.
Lub sijhawm ntawm Inertia
Lub Sijhawm ntawm Inertia rau lub nqaj txiav txim siab nws lub peev xwm los tiv thaiv dabtsi yog khoov. Qhov siab dua nws yuav yog, qhov tsawg lub nqaj yuav khoov.
H-section beams muaj flanges dav dua, siab lateral tawv, thiab ntau lub sij hawm ntawm inertia ntau dua li I-section beams, thiab lawv muaj ntau resistant rau dabtsi yog khoov dua kuv beams.
Tshaj
I-section beam tuaj yeem siv rau qhov ntev txog li 33 txog 100 ko taw vim muaj kev txwv kev tsim khoom, thaum lub H-section beam tuaj yeem siv rau qhov ntev txog li 330 ko taw vim nws tuaj yeem ua rau txhua qhov loj lossis qhov siab.
Kev lag luam
H-section beam yog ib qho kev lag luam ntau dua nrog kev txhim kho cov khoom siv hluav taws xob ntau dua li I-section beam.
Daim ntawv thov
H-section beams yog qhov zoo tagnrho rau mezzanines, txuas hniav, platforms, thiab kev tsim kho ntawm cov tsev nyob thiab cov tsev lag luam. Lawv kuj tseem siv tau rau sab load-bearing kem, trailer, thiab tsheb txaj framing.
I-section beams yog cov saws saws rau cov txuas hniav, cov tsev tsim steel, thiab kev ua cov thav duab thiab kab rau elevator, hoists thiab nqa, trolleyways, trailers, thiab tsheb txaj.
Post lub sij hawm: Sep-10-2025
