Cov ntsiab lus formwork thiabkawyog ob qho tib si siv los piav txog cov txheej txheem ntawm kev ua cov pwm nyob rau hauv uas pob zeb yog poured thiab muaj kom txog thaum nws hardens.Shuttering yog hais txog cov txheej txheem ntawm kev tsim cov pwm siv plywood thaum formwork yog ntau lub ntsiab lus dav uas siv los qhia txog cov txheej txheem ntawm kev tsim pwm siv ntau yam ntaub ntawv.Ob qho tib si formwork thiab shuttering ua tiav tib txoj haujlwm, nrog rau qhov sib txawv tseem ceeb yog cov khoom siv los ua kom tiav txoj haujlwm.Qee zaum tsis muaj qhov sib txawv ntawm ob nqe lus, tab sis feem ntau, kev kaw yog suav tias yog homformwork.
Tej yaam num ntawm ntau qhov sib txawv yuav tsum tau siv ob qho tib si formwork thiab shuttering cov tswv yim.Cov kev tsim kho loj loj feem ntau yuav siv ntau hom formwork.Tab sis feem ntau, shuttering yuav yog qhov kev xaiv nrov tshaj plaws vim nws yooj yim rau siv thiab tuaj yeem ua tau rau hauv txoj hauv kev uas tso cai rau cov pob zeb tseem ceeb tau nchuav ntawm ib qho mus.Tsis tas li ntawd, siv cov plywood los ua lub kaw lus yog qhov pheej yig dua, tshwj xeeb tshaj yog xav tias plywood tuaj yeem siv dua lossis rov siv dua.Txawm li cas los xij, thaum nws los txog rau kev kaw thiab formwork, qib tshwj xeeb ntawm plywood yuav tsim nyog.Cov khoom siv yuav tsum yog dej-resistant vim feem ntautej yaam numtau ua sab nraum zoov.
Raws li tau hais dhau los, qhov sib txawv ntawm formwork thiab shuttering yog tsawg heev.Thaum xaiv formwork thiab shuttering, hom pob zeb thiab qhov kub thiab txias ntawm lub ncuav yog qhov tseem ceeb rau kev txiav txim siab vim lawv ob leeg cuam tshuam rau lub siab exerted.Lub formwork sab yuav tsum muaj peev xwm tiv taus lub siab hydrostatic ntawm cov pob zeb ntub dej uas yuav ploj mus rau xoom nyob rau hauv ob peb teev nyob ntawm seb qhov kev teeb tsa thiab kho.Lub hauv paus formwork lossis soffit yuav tsum muaj peev xwm tiv taus qhov pib tuag ntawm cov pob zeb ntub dej thiab cov khoom tuag ntawm cov pob zeb qhuav.Kev ua haujlwm zoo thiab kev tshuaj xyuas yog tsim nyog los xyuas kom meej tus txheej txheem siab thiab zoo li cov qauv tsim ua vaj tse.
Hauvprecast qhob ntau lawm, ob qho tib si shuttering thiab formwork nyob rau hauv nws ntau yam ntaub ntawv yuav tau txais kev txhawb los ntawm clamps.Sib nqus clamps yog dav siv los ntawm precast qhob cog.
Post lub sij hawm: Jul-13-2020