Kev sib kis thiab qhov nce ntawm roj hmab fender tshiab yog ib qho tseem ceeb heev kom paub tseeb tias lub nkoj tsis tuaj yeem ncaj nraim rau lub chaw nres nkoj sab nrauv ntawm qhov feem ntau cov khoom tsis haum tsis pub los ntawm cov cai, thiab lub nkoj tau yam xyuam xim ntawm qhov sib txawv ntawm ntau thiab , uas muaj ib qho kev hloov mus rau lub nkoj ntawm qhov txawv ntawm tonnage.
Thaum xaiv thiab txiav txim siab txog tus txheej txheem fender ntawm thawj, thib ob thiab thib peb theem ntawm thee wharf, kev ruaj ntseg ntawm kev sib txawv ntawm ntau hom tonnage ships yuav tsum tau ntsib.
Khoom siv roj hmab fender (non-floatation type) yog ib hom khoom ntawm kev sib tsoo khoom rau cov nkoj hauv quay nrog cov ntawv sau keeb kwm yav dhau los thiab daim ntawv siv dav dav. Raws li lub zog ntawm roj hmab fender, nws muaj peev xwm raug muab faib ua hom shear, hom teb thiab compression hom. Raws li tus qauv fender, khoom roj hmab fender tau muab faib ua D hom, khob ncauj, nruas hom, ntxuam, duab plaub, cylindrical fender thiab lwm yam.
Roj hmab fender pem hauv ntej yog muab nrog anti-punching steel thav duab, uas muaj peev xwm heev txo lub siab deg acting rau lub nkoj sab sab. Raws li kom ua, qhov chaw siab yuav tuaj yeem mus txog 25 tuj / m 2, nws yog qhov tshwj xeeb tshaj yog rau cov nkoj loj loj rau qhov tsis muaj. Ua ntej thaiv - punching steel ncej installation PE laminate, txo kev sib txhuam coefficient, thiaj li hais tias berthing shear quab yuam heev txo.
