I Joist Beam Pine Lvl Osb Timber I Joist

I-joists muaj zog, hnav, "Kuv" zoo li tus engineered ntoo structural cov tswv cuab uas ua tau raws li xav tau cov qauv kev ua tau zoo. I-joists yog tsim los ntawm sab saum toj thiab hauv qab flanges, uas tiv thaiv dabtsi yog khoov, koom nrog webs, uas muab kev tiv thaiv zoo heev. Cov khoom siv flange feem ntau yog laminated veneer lumber (LVL) lossis cov khoom siv ntoo, thiab lub vev xaib yog tsim nrog plywood lossis OSB. Kev sib xyaw ua ke ntawm cov yam ntxwv zoo ua rau muaj ntau yam, kev lag luam framing tus tswv cuab uas yooj yim rau nruab rau hauv vaj tse thiab teeb pom kev lag luam.