lub singly reinforced beam siv nyob qhov twg? Lub singly reinforced beam yog tsim nyog thaum lub sij hawm ntawm kev tiv thaiv ntawm lub balanced reinforced qhob nqaj ntawm dimension b × d yog Rbd2. Pob zeb muaj zog compressive thiab me tensile zog.
Cov kab hluav taws xob ib leeg siv nyob qhov twg?
Cov kab teeb feem ntau tswj cov kev sib nqus ntsug ntsug, tab sis lawv tuaj yeem siv los daws cov kab rov tav (uas yog, cov khoom tso vim cua thiab av qeeg). Cov khoom nqa los ntawm cov nqaj yog txav tau rau cov phab ntsa, kab lossis kab teeb, uas hloov lub zog mus rau cov neeg nyob ib puag ncig compression.
Yuav siv ob npaug rau kab siv qhov twg?
Muab ob npaug ntxiv cov seem yog siv nyob rau hauv cov xwm txheej hauv qab no: Thaum qhov ntev (b x d) ntawm lub nqaj raug txwv vimrau ib qho kev txwv xws li muaj chav hauv taub hau, kev tsim vaj tsev lossis chaw txiav txim siab thiab lub sijhawm ntawm kev tawm tsam ntawm singly reinforced seem yog tsawg dua lub sijhawm sab nraud.
Lub singly reinforced beam yog dab tsi?
Lub beam uas yog longitudinally reinforced tsuas yog nyob rau hauv tension zone, nws yog hu ua singly reinforced beam. Nyob rau hauv xws li kab teeb, qhov kawg khoov lub sij hawm thiab qhov nro vim yog dabtsi yog khoov yog nqa los ntawm lub reinforcement, thaum lub compression yog nqa los ntawm cov pob zeb.
Nyob rau hauv cov xwm txheej twg ob npaug ntxiv cov nqaj tuaj yeem siv tau?
NTXHAIS NTAU NTAU QHOV ROOJ
Thaum cov khoom thauj yog eccentric. Thaum lub bam raug yuam kev los yog cia li lateral loads. Nyob rau hauv cov ntaub ntawv ntawm cov kab nrib pleb los yog slab, cov seem ntawm cov kev txhawb nqa feem ntau yog tsim los ua ob pawg ntxiv.