Mu mishinga y'ifatizo ry'ibirundo, ubwiza bw'ibirundo by'imiyoboro y'icyuma bugena neza uburyo ifatizo ry'inyubako rihamye kandi rirambye. Guhitamo inkingi yizeweUruganda rwa ASTM A252ni intambwe ya mbere y'ingenzi yo kurinda umutekano w'umushinga. Iyi nkuru izagufasha gusobanukirwa ingingo z'ingenzi z'amahame ya ASTM A252 n'uburyo bwo gusuzuma abatanga serivisi nziza.
Gusobanura ASTM A252 Standard
ASTM A252 ni ibipimo ngenderwaho by'"imiyoboro y'ibyuma ishongeshejwe kandi idasobekeranye" yakozwe n'Umuryango w'Abanyamerika wita ku bipimo n'ibikoresho. Iri hame rikoreshwa ku miyoboro izungurukaimiyoboro y'ibyumaifite ubugari bw'urukuta, kandi ikoreshwa ryayo rigabanyijemo ibyiciro bibiri:
Ibikoresho bihoraho byo gutwara imizigo: Imiyoboro y'icyuma ikora nk'inyubako ihoraho yo gutwara imizigo, itwara imizigo y'inyubako mu buryo butaziguye.
Igikonoshwa cyo gusukamo beto: Umuyoboro w'icyuma ukora nk'igikonoshwa, hanyuma beto igasukwa imbere kugira ngo ikore ikirundo cy'icyuma gishongeshejwe.
Ihame rikubiyemo imbaraga eshatu: Icyiciro cya 1, Icyiciro cya 2, n'Icyiciro cya 3. Muri byo, umuyoboro w'icyuma wa A252 GRADE 1 ufite ubushobozi bwo gusudira neza kandi uhendutse, kandi ukwiriye imishinga yoroheje kugeza ku mishinga iciriritse y'urukuta.
Ibintu by'ingenzi bigomba kwitabwaho ku bunini bw'imiyoboro y'ibyuma
Amahitamo yaIngano z'imiyoboro ya ASTM A252bigira ingaruka ku buryo butaziguye ku mikorere myiza y'inyubako n'ubushobozi bwo gutwara imizigo. Ibipimo by'ingenzi birimo:
Ingano y'umurambararo: Hakurikijwe imiterere y'ubutaka n'ibisabwa ku mutwaro, ishobora guhindurwa kuva ku murambararo muto kugeza ku murambararo munini cyane.
Ingano y'ubugari bw'urukuta: Ubunini bw'urukuta bugena imbaraga zo gukanda no gupfunyika.
Uburebure bw'umuyoboro umwe: Bigabanya imiyoboro yo gusudira aho ikorera kandi bikongera imikorere myiza y'ubwubatsi
Imiyoboro y'ibirundo ikoreshwa na Cangzhou Spiral Steel Pipe Group Co., Ltd. ifite umurambararo uri hagati ya mm 219 na mm 3500, kandi buri kirundo gishobora kugera kuri metero 35 z'uburebure, bigahaza neza icyifuzo cy'ibirundo birebire mu byuma bikozwe mu rufatiro rwimbitse.
Uburyo bwo gusuzuma uruganda rwa ASTM A252 rufite ubuziranenge
Mu guhitamo uruganda rwa ASTM A252, ibintu bikurikira ni byiza kubyibandaho:
Impamyabushobozi zo gukora n'ubushobozi bwo gukora
Itsinda ry’imiyoboro y’ibyuma bya Cangzhou Spiral ryashinzwe mu 1993, rikaba ari ryo ruganda rukora imiyoboro y’ibyuma bizunguruka n’ibirahure mu Bushinwa. Uru ruganda ruherereye mu Mujyi wa Cangzhou, mu Ntara ya Hebei, rufite ubuso bwa metero kare 350.000, rufite umutungo wa miliyoni 680 z’amayuwani. Rukora toni 400.000 z’imiyoboro y’ibyuma bizunguruka buri mwaka kandi rufite agaciro ka miliyari 1.8 z’amayuwani ku mwaka. Ubushobozi buhamye bwo gukora butuma ibicuruzwa binini bitangwa ku gihe.
2. Sisitemu yo kugenzura ubuziranenge
Huza neza ibipimo ngenderwaho bya ASTM A252. Shyiraho igenzura ryuzuye mu gihe cyose kuva ku kugura icyuma kugeza ku igenzura rya weld kugira ngo urebe neza imiterere ya mekanike n'ubuziranenge bw'ibipimo by'imiyoboro.
3. Ubushobozi bwo gutwikira ibintu mu buryo burwanya ingese
Imishinga y’ifatizo ry’ibirundo ikunze guhura n’ahantu hatose cyangwa hangiza. Serivisi yo gusiga irangi itangwa n’uruganda ku bikoresho by’imiyoboro ishobora gutanga ibisubizo birwanya ingese nka epoxy na PE, bityo bikongera igihe cyo kuyikoresha.
4. Ibyiza byo gutwara ibintu n'ibindi
Cangzhou iri hafi y'icyambu cya Tianjin. Ikoresheje icyambu kinini mu majyaruguru, ishobora kugera ku buryo bwiza ku bucuruzi bw'inyanja buhuriweho, bityo ikagabanya ikiguzi cy'ubwikorezi mpuzamahanga.
Umwanzuro
Mu guhitamo uruganda rwizewe rwa ASTM A252, ni ngombwa gusuzuma neza amahame agenga umusaruro warwo, uburyo rushyirwamo, ubushobozi bwo gukora n'ubushobozi bwo gutwara ibintu. Hamwe n'uburambe bw'imyaka hafi 30 mu gukora no mu ruhererekane rw'inganda, Cangzhou Spiral Steel Pipe Group yiyemeje gutanga ibisubizo by'imiyoboro y'ibyuma byiza ku mishinga y'ifatizo ry'imiyoboro ku isi.
Twandikire ku bitekerezo byawe byo guhitamo n'ibiciro byihariye by'ingano z'imiyoboro ya ASTM A252.
Igihe cyo kohereza: Werurwe-18-2026