Mu rwego rwaimiyoboro y'icyuma, amahame ngenderwaho y'imiyoboro y'icyuma igororotse ishongeshejwe ni ingenzi cyane. Imwe mu mahame ngenderwaho ni GB/T3091-2008, ikubiyemo ubwoko butandukanye bw'imiyoboro y'icyuma igororotse, nko kwirinda guhindagurika cyane.imiyoboro y'icyuma ishongeshejwe (ERW), umusenyi uri munsi y'amaziimiyoboro y'icyuma ishongeshejwe (SAWL)n'imiyoboro y'icyuma ikoze mu cyuma gishongeshejwe (SAWH).
Ku bijyanye no gutwara amazi akoresheje umuvuduko muto, GB/T3091-2008 inateganya ikoreshwa ryaimiyoboro y'icyuma ishongeshejwe na galvanised. Iyi miyoboro y'icyuma ikoreshwa n'amashanyarazi, izwi cyane nka imiyoboro y'umweru, ikoreshwa mu gutwara amazi, gaze, umwuka, peteroli, umwuka ushyushya, amazi ashyushye, n'ibindi. Ibisobanuro by'iyi miyoboro y'icyuma bigaragazwa mu bugari bw'amazi, kandi ubugari bw'inyuma n'ubugari bw'urukuta bikurikiza amabwiriza ya GB/T21835. Byongeye kandi, uburebure bw'umuyoboro w'icyuma bushobora kuva kuri mm 300 kugeza kuri mm 1200, kandi bushobora kuba uburebure buhamye cyangwa bubiri.
Ku bijyanye n'ubuziranenge, ubushyuhe mu gihe cyo gutobora bigira ingaruka zikomeye. Imiyoboro y'icyuma yo kwagura ubushyuhe akenshi igera kuri dogere selisiyusi 1200, nubwo ingano ya karuboni n'ibintu bivangavanze bishobora kugabanya ubushyuhe gato. Ikindi kintu cy'ingenzi cyo kuzirikana ni ukugabanya ingano y'ubunini mu gihe cyo gushyuha, kuko bishobora kugira ingaruka ku buzima bw'igikoresho n'ubwiza bw'ubuso.
Gushyushya ni igikorwa cy'ingenzi mu gukoraUmuyoboro w'icyuma ugororotse wa Mn 16Kubera ko inyinshi mu gutunganya ibintu biba mu gihe cy'ubushyuhe, kugenzura neza ubushyuhe bw'ubushyuhe ni ingenzi cyane kugira ngo hamenyekane ubwiza bw'umusaruro wa nyuma.
Kugira ngo hakomeze kuba ubwiza n'amahame ngenderwaho, kugenzura ubushyuhe mu gihe cyo gutunganya ni ingenzi cyane. Umuyoboro w'icyuma ugororotse upima GB/T3091-2008 ugaragaza icyuho cyemewe mu bunini, imiterere, uburemere n'umurambararo w'inyuma n'ubugari bw'urukuta. Icyuho cyemewe cy'ubugari bw'urukuta gihinduka bitewe n'urwego rw'icyuho, kuva kuri S1 kugeza kuri S5, kandi buri rwego rugaragaza ijanisha rijyanye n'icyo cyangiritse n'icyuho gito.
Uretse ubushobozi bwo kwihanganira ubunini bw'inkuta busanzwe, hari n'uburyo bwo kwihanganira ubunini bw'inkuta butari ubusanzwe. Urwego rwo kunyuramo (urugero: NS1 kugeza kuri NS4) rurimo ijanisha ryihariye ryo kunyuramo kugira ngo harebwe ko ubuziranenge bugenzurwa. Byakagombye kumenyekana ko S ihagarariye ubunini bw'inkuta bw'umuyoboro w'icyuma, naho D ihagarariye umurambararo w'inyuma w'umuyoboro w'icyuma.
Kugenzura ko aya mahame yubahirizwa ni ingenzi cyane mu gukora imiyoboro y'ibyuma binini byo mu bwoko bwa "long-included arc piles". Mu kugenzura neza ubushyuhe no kwita ku kunyuranya kwemewe, abakora ibicuruzwa bashobora kuzuza ibyo abakiriya biteze no gutanga ibicuruzwa byizewe kandi biramba.
Igihe cyo kohereza: Ugushyingo-10-2023