Gusobanukirwa imiyoboro ibiri ishongeshejwe n'imiyoboro y'icyuma ishongeshejwe mu buryo bw'umwuka ASTM A252
Intangiriro:
Muri iki gihe, gutwara neza ibinyobwa n'imyuka ni ingenzi cyane ku nganda nyinshi. Kimwe mu bintu by'ingenzi bituma imikorere myiza y'ibinyobwa byawe igenda neza.sisitemu y'imiyoboro y'amazini uguhitamo imiyoboro ikwiye. Mu mahitamo atandukanye ahari, umuyoboro wa S235 JR Spiral Steel ni amahitamo yizewe bitewe n'ubwiza bwawo bwiza cyane. Iyi blog igamije gusuzuma ibyiza byo gukoresha umuyoboro wa S235 JR spiral steel mu miyoboro, hibandwa ku miterere yawo yometseho spiral.
Imitungo ya Mekanike
| urwego rw'icyuma | imbaraga nkeya z'umusaruro | Imbaraga zo gukurura | Uburebure buke | Ingufu nkeya ku ngaruka | ||||
| Ubunini bwagenwe | Ubunini bwagenwe | Ubunini bwagenwe | ku bushyuhe bw'igerageza rya | |||||
| 16 | >16≤40 | 3 | ≥3≤40 | ≤40 | -20℃ | 0℃ | Ubushyuhe bwa 20°C | |
| S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
Ibikoresho bya shimi
| Igipimo cy'icyuma | Ubwoko bwo gukuraho ogisijeni a | % ukurikije uburemere, ntarengwa | ||||||
| Izina ry'icyuma | Nimero y'icyuma | C | C | Si | Mn | P | S | Nb |
| S235JRH | 1.0039 | FF | 0,17 | — | 1,40 | 0,040 | 0,040 | 0.009 |
| S275J0H | 1.0149 | FF | 0,20 | — | 1.50 | 0,035 | 0,035 | 0,009 |
| S275J2H | 1.0138 | FF | 0,20 | — | 1.50 | 0,030 | 0,030 | — |
| S355J0H | 1.0547 | FF | 0,22 | 0.55 | 1.60 | 0,035 | 0,035 | 0,009 |
| S355J2H | 1.0576 | FF | 0,22 | 0.55 | 1.60 | 0,030 | 0,030 | — |
| S355K2H | 1.0512 | FF | 0,22 | 0.55 | 1.60 | 0,030 | 0,030 | — |
| a. Uburyo bwo gukuraho ogisijeni mu mubiri bugenwa ku buryo bukurikira: FF: Icyuma cyapfuye cyose kirimo ibintu bihuza azote mu rugero ruhagije kugira ngo gifatanye azote ihari (urugero: 0.020% by'Al yose cyangwa 0.015% by'Al ishongesha). b. Agaciro ntarengwa ka azote ntigakurikizwa iyo imiterere y’imiti igaragaza ko Al yose hamwe na 0.020% hamwe na Al/N ya 2:1, cyangwa niba hari ibindi bintu bihagije bihambira kuri N. Ibintu bihambira kuri N bigomba kwandikwa mu nyandiko y’igenzura. | ||||||||
Ikizamini cy'amazi
Buri burebure bw'umuyoboro bugomba kugeragezwa n'uruganda ku gitutu cya hydrostatic kizatera mu rukuta rw'umuyoboro igitutu kitari munsi ya 60% by'imbaraga z'umusaruro ntarengwa wagenwe ku bushyuhe bw'icyumba. Igitutu kigomba kugenwa n'ikigereranyo gikurikira:
P=2St/D
Impinduka zemewe mu buremere n'ingano
Uburebure bwa buri muyoboro bugomba gupimwa ukwabwo kandi uburemere bwabwo ntibugomba gutandukana kurenza 10% hejuru cyangwa 5.5% munsi y'uburemere bwabwo, bubarwa hakoreshejwe uburebure bwabwo n'uburemere bwabwo kuri buri gice cy'uburebure.
Umurambararo wo hanze ntugomba gutandukana kurenza ± 1% ugereranije n'umurambararo wo hanze wagenwe
Ubunini bw'urukuta aho ari ho hose ntibugomba kurenza 12.5% munsi y'ubunini bw'urukuta bwagenwe
1. Sobanukirwa umuyoboro w'icyuma wa S235 JR:
Umuyoboro w'icyuma wizingiye wa S235 JRni umuyoboro ukozwe mu buryo bwa spiral ukoreshwa cyane mu miyoboro. Ukozwe mu byuma byiza cyane hakurikijwe amahame mpuzamahanga, bishimangira ko biramba kandi bikomeye. Uburyo bwo gukora bukubiyemo gukora spiral y'imirongo y'icyuma ikomeza, hanyuma ikanashyirwamo uburebure bwifuzwa. Ubu buryo bwo kubaka buha imiyoboro inyungu zikomeye ugereranije n'imiyoboro gakondo igororotse.
2. Ibyiza byo kubaka imiyoboro ikoze mu buryo bw'uruziga:
Iyubakwa ry’umuyoboro w’icyuma wa S235 JR Spiral Steel Pipe ritanga inyungu nyinshi ku miyoboro. Icya mbere, imiyoboro y’icyuma ikomeza ikora yongera ubuziranenge bw’imiterere y’umuyoboro, bigatuma udashobora guhangana n’ibitutu by’imbere n’inyuma. Iyi miterere kandi ituma imizigo ikwirakwira neza, bigabanya ibyago byo kwangirika kw’umuyoboro. Byongeye kandi, imiterere y’umuyoboro ikuraho gukenera imbaraga z’imbere, bityo bigatuma ubushobozi bwo gutemba burushaho kwiyongera kandi bikagabanya igihombo mu gihe cyo kohereza amazi. Ubuso bukomeza butagira umugozi bugabanya ibyago byo kuva amazi kandi bukongera umutekano n’imikorere myiza y’umuyoboro.
3. Kongera igihe cyo kuramba no gukoresha ibintu byinshi:
Umuyoboro w'icyuma wa S235 JR Spiral uramba cyane bitewe n'ibikoresho byawo by'ubwubatsi byiza cyane. Urwanya ingese, kwangirika ndetse n'ikirere kibi cyane, bigatuma uba mwiza cyane mu bikorwa bitandukanye birimo gutwara peteroli na gaze, sisitemu z'amazi n'imishinga y'ibikorwa remezo. Kuba iyi miyoboro ikora neza bituma yoroha kuyihindura kugira ngo ihuze n'ibisabwa by'umushinga. Byongeye kandi, biroroshye kuyishyiraho no kuyibungabunga, bikongera ubwiza bwayo kandi bigafasha mu gutuma habaho uburyo bwo gukora imiyoboro buhendutse kandi bukoresha igihe gito.
4. Ibyiza ku bidukikije n'uburyo birambye:
Guhindura imiyoboro y'icyuma ya S235 JR mu miyoboro bishobora kandi kuzana inyungu zikomeye ku bidukikije. Kuba iramba no kudashira kwayo bigabanya gukenera gusimburwa kenshi, bigatuma imyuka ihumanya ikirere igabanuka kandi imyanda igakurwaho. Byongeye kandi, kongera gukoresha ibyuma bituma iyi miyoboro iba amahitamo arambye ajyanye n'amahame agenga ubukungu bushingiye ku ruziga. Binyuze mu gukoresha imiyoboro y'icyuma ya S235 JR, inganda zishobora kwemeza uburyo bwiza bwo gutwara amazi n'ibinyabutabire, bityo bigateza imbere ahazaza heza.
Umwanzuro:
Gukoresha umuyoboro w'icyuma wa S235 JR mu miyoboro bitanga inyungu nyinshi, harimo gukomera, umutekano no gukora neza. Imiterere y'imiyoboro ihuza imiyoboro ihamye ishimangira ko imiterere yayo ari myiza kandi igatanga amazi meza ku nganda zitandukanye. Dukoresheje ikoranabuhanga rigezweho nk'iri, turimo gutegura inzira yo gushyiraho imiyoboro irambye kandi yizewe.











