Umuyoboro w'icyuma ushongeshejwe mu buryo bw'umwuka ukoreshwa mu muyoboro wa gaze karemano yo munsi y'ubutaka
Tanga:
Imiyoboro ya gaze karemano yo munsi y’ubutaka igira uruhare runini mu kugeza uyu mutungo w’agaciro mu ngo, mu bucuruzi no mu nganda. Kugira ngo iyi miyoboro igire umutekano kandi ikore neza, ni ngombwa gukoresha ibikoresho bikwiye n’uburyo bwo gusudira mu gihe cy’ubwubatsi. Tuzasuzuma akamaro k’imiyoboro y’icyuma ikozwe mu buryo bwa spiral welded n’akamaro ko gukurikiza uburyo bukwiye bwo gusudira imiyoboro mu gihe ukorana naumuyoboro wa gaze karemano wo munsi y'ubutaka.
Umuyoboro ushongeshejwe mu buryo bw'uruziga:
Umuyoboro wometseho umwuka ukunzwe cyane mu bwubatsi bw'imiyoboro ya gaze karemano yo munsi y'ubutaka kubera imbaraga zayo n'uburambe bwayo. Iyi miyoboro ikorwa binyuze mu kugonda umurongo w'icyuma ukomeza gukora ishusho y'uruziga hanyuma ukawusudira ku migozi. Umusaruro ni imiyoboro ifite ingingo zikomeye kandi zifunze zishobora kwihanganira igitutu gikomeye cyo hanze no kwihuza n'imigendekere y'ubutaka. Iyi miterere idasanzwe itumaumuyoboro w'icyuma uhujwe n'uruzigani byiza cyane ku miyoboro yo munsi y'ubutaka aho umutekano ari ingenzi cyane.
Imitungo ya Mekanike
| Icyiciro cya A | Icyiciro cya B | Icyiciro cya C | Icyiciro cya D | Icyiciro cya E | |
| Ingufu z'umusaruro, ubugari, Mpa (KSI) | 330 (48) | 415 (60) | 415 (60) | 415 (60) | 445 (66) |
| Ingufu zo gukurura, ubunini, Mpa (KSI) | 205 (30) | 240 (35) | 290 (42) | 315 (46) | 360 (52) |
Ibikoresho bya shimi
| Igice | Imiterere, Ibipimo ntarengwa, % | ||||
| Icyiciro cya A | Icyiciro cya B | Icyiciro cya C | Icyiciro cya D | Icyiciro cya E | |
| Karuboni | 0.25 | 0.26 | 0.28 | 0.30 | 0.30 |
| Manganese | 1.00 | 1.00 | 1.20 | 1.30 | 1.40 |
| Fosifore | 0.035 | 0.035 | 0.035 | 0.035 | 0.035 |
| Sulfure | 0.035 | 0.035 | 0.035 | 0.035 | 0.035 |
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.
Ubugari bw'urukuta aho ari ho hose ntibugomba kurenza 12.5% munsi y'ubugari bw'urukuta bwagenwe.
Uburebure
Uburebure bumwe butunguranye: 16 kugeza 25ft (4.88 kugeza 7.62m)
Uburebure bubiri butunguranye: hejuru ya 25ft kugeza 35ft (7.62 kugeza 10.67m)
Uburebure bungana: ihinduka ryemewe ± 1in
Irangira
Imiyoboro y'amazi igomba gushyirwaho impera zisanzwe, kandi uduce tw'amazi ku mpera tugomba gukurwaho
Iyo impera y'umuyoboro yagenwe kuba impera z'umuyoboro, inguni igomba kuba hagati ya dogere 30 na 35
Uburyo bwo gusudira imiyoboro:
Bikwiyeuburyo bwo gusudira imiyoboroni ingenzi cyane mu kuramba no mu mutekano w'imiyoboro ya gaze karemano yo munsi y'ubutaka. Dore ibintu bike by'ingenzi ugomba gusuzuma:
1. Ibisabwa ku basudira:Abasudira babishoboye kandi bafite uburambe bagomba guha akazi, bakareba ko bafite ibyangombwa n'ubuhanga bikenewe kugira ngo bakore ibijyanye no gusudira bikenewe ku miyoboro ya gaze karemano. Ibi bifasha kugabanya ibyago byo kwangirika no gusohoka kw'amazi.
2. Gutegura no gusukura ingingo:Gutegura ingingo neza ni ngombwa mbere yo gusudira. Ibi birimo gukuraho umwanda, imyanda cyangwa ibintu bishobora kugira ingaruka mbi ku buziranenge bw'icyuma gisudira. Byongeye kandi, gushushanya impande z'imiyoboro bifasha gukora ingingo ikomeye isudira.
3. Ubuhanga bwo gusudira n'ibipimo:Uburyo bwo gusudira bukwiye n'ibipimo bigomba gukurikizwa kugira ngo haboneke uburyo bwo gusudira bwiza. Uburyo bwo gusudira bugomba kuzirikana ibintu nk'ubugari bw'imiyoboro, aho gusudira biherereye, imiterere ya gaze, nibindi. Ni byiza gukoresha uburyo bwo gusudira bwikora nka gaze metal arc welding (GMAW) cyangwa submerged arc welding (SAW) kugira ngo haboneke ibisubizo bihamye kandi bigabanye amakosa y'abantu.
4. Igenzura n'Isuzuma:Igenzura ryimbitse n’isuzuma ry’ubucukuzi bw’amazi ni ingenzi cyane kugira ngo hemezwe ubwiza n’ubuziranenge bwabyo. Ikoranabuhanga nka NDT, harimo na X-ray cyangwa ultrasound, rishobora kubona inenge zishobora kwangiza ubwizigirwa bw’umuyoboro mu gihe kirekire.
Mu gusoza:
Kubaka imiyoboro ya gaze karemano yo munsi y’ubutaka hakoreshejwe imiyoboro y’icyuma ikoze mu buryo bw’umuzunguruko bisaba kubahiriza uburyo bukwiye bwo gusudira imiyoboro. Mu guha akazi abasudira babishoboye, gutegura neza imiyoboro, gukurikiza uburyo bukwiye bwo gusudira, no gukora igenzura ryimbitse, dushobora kwemeza ko iyi miyoboro ifite umutekano, iramba, kandi ikora neza. Binyuze mu kwita ku tuntu duto mu gikorwa cyo gusudira, dushobora gutanga gaze karemano mu buryo bwizewe kugira ngo ihuze n’ingufu zikenewe n’abaturage bacu mu gihe dushyira imbere imibereho myiza y’ibidukikije n’umutekano rusange.










