Mu bwubatsi, hari ubwoko bwinshi bw'ibyuma bukunze gukoreshwa, muri bwo harimo imbaho zizengurutse naagakoresho ko kugarurani byo bikunze kugaragara cyane. Itandukaniro rikomeye hagati yabyo ni iri rikurikira. Uyu munsi, turaganira muri make kuri izi tandukaniro.
Utubari two kuzenguruka (Urutonde rwa HPB)
Ubuso bw'imbaho zizengurutse buraryoshye cyane. Iyo zishyizwe muri sima, zishobora gukururwa no gukururwa gato.
Rebar (Urukurikirane rwa HRB)
Igice cyo hanze cy'umurambararo gifite imbavu zimeze nk'uruziga. Zimwe zisa n'ukwezi kw'icyiciro cya mbere, izindi zisa n'uruziga.
Intego y'izi mbavu ni ugufata beto neza, kugira ngo idapfa kurekura nubwo yaba ihuye n'ibibazo cyangwa ihindagurika.
Akabari Gazengurutse (HPB300)
Uduti duto turi mu cyiciro cy'icyuma cya karuboni, aho urwego rw'icyuma ruzwi nka Q235. Gifite imbaraga zisanzwe, gifite imbaraga zo gutanga umusaruro zigera kuri 300 MPa. Ibyiza: gukomera cyane no koroha gupfunyika.
Rebar (HRB400E)
Rebar iri mu cyiciro cy'icyuma gito. Rebar ya HRB335 ni 20MnSi (20 manganese-silicon). Rebar ya HRB400 ni 20MnSiV, 20MnSiNb, 20MnTi, n'ibindi. Menya "E" - isobanura kurwanya umutingito.
Ntabwo ihangana no gukandamizwa gusa, ahubwo inatanga imbaraga zo gukomera zo mu rwego rwo hejuru.
Abakiriya benshi bibaza bati “Ese rebar iremereye kurusha bar ifite umurambararo umwe?”
Mu buryo bw'imitekerereze: Bapima kimwe!
Mu buryo bw'ibarura ry'ishingiro ry'igihugu, kugira ngo byorohereze ubucuruzi n'ibaruramari, hatitawe ku mubare w'imbavu ziri hejuru, uburemere bw'ibarura kuri metero imwe ku mbaho z'imbaho n'umurambararo ungana bubarwa hakoreshejwe uburyo buhuriweho.
Birumvikana ko mu by’ukuri, icyuma gipima ibirungo (ribbed rebar) kiba kiremereye gato bitewe n’izindi mbavu (ibi byitwa "negative deviation"), ariko iyo umuntu abara ikiguzi cy’ibikoresho, buri wese akoresha "uburyo bumwe bwo gupima".
Igihe cyo kohereza: 30 Kamena-2026
