Umunara w'itumanaho

harimo umunara mushya w'itumanaho rishya, ubwoko bwa gakondo bwumunara wa Angle umunara hamwe n umunara wa ankeri ufite ibyuma bitagira ibyuma nkibikoresho byinkingi, nka coefficient de coiffe yumuyaga, ubushobozi bwo guhangana n umuyaga inkingi ikomeye hanze ukoresheje flange ihuza, bolt tensile, ntabwo byoroshye kwangiza , gabanya ikiguzi cyo kubungabunga ubwoko bwimpande zingana zingana, kuzigama ibyuma na bito, gutwikira agace kagace gato, kuzigama umutungo wubutaka, ahantu heza umunara urumuri rwonyine-uburemere, ubwoko bushya bwa 3 bwo gutema amababi shingiro, kugabanya ikiguzi cya truss shingiro igishushanyo mbonera cyimiterere, ubwikorezi bworoshye nogushiraho igihe ntarengwa cyo kubaka umushinga muto umunara wubwoko bwumuyaga uremereye, imirongo yoroshye, guhura na serwakira ikomeye ntabwo byoroshye gusenyuka, kugabanya impanuka zabantu ninyamaswa.Igishushanyo gihuye nuburyo bwicyuma cyigihugu igishushanyo mbonera n'umunara wa mast igishushanyo mbonera, imiterere ni umutekano kandi wizewe.