Ob leeg L-beams thiab H-beams yog ntau yam thiab tuaj yeem siv rau ntau yam kev siv.
Lawv yog tag nrho cov txheej txheem steel kab siv los muab kev txhawb nqa rau lub tsev thiab lwm yam qauv. Qhov sib txawv tseem ceeb ntawm ob hom kab teeb no yog lawv cov duab. Ib qho "I" beam muaj ib daim duab peb sab hla ntu, thaum lub "H" beam muaj ib daim duab plaub (li no lub npe).
Lwm qhov sib txawv yog tias "H" beam feem ntau ntev dua "I" beam ntawm tib qhov loj thiab qhov hnyav. Qhov no txhais tau hais tias cov hlau seem yuav nyob hauv qhov chaw loj dua thaum lub sijhawm teeb tsa, tab sis nws lub zog kuj tseem yuav siab dua rau cov spans loj thiab hnyav ntxiv; Txawm li cas los xij, vim nws muaj zog ntxiv (qis dua), L-hom Beams tuaj yeem ua haujlwm zoo dua cov khoom siv me me.
Yog li ntawd, vim H-shaped beams muaj qhov zoo dua thiab rigidity, tib neeg feem ntau xav tias H-shaped beams muaj zog dua. Txawm li cas los xij, ntau yam cuam tshuam rau lub zog thiab cov yam ntxwv ntawm lub nqaj, nrog rau nws cov txheej txheem tsim khoom, muaj pes tsawg leeg thiab tsim qauv. Thaum kawg, nws yog nyob ntawm engineers thiab designers los txiav txim seb hom kab twg haum rau kev siv tshwj xeeb.
