Imbaraga zo gusudira kabiri gusudira mu nganda
Imiyoboro ibiri ihebujezubatswe hamwe no gusudira bibiri byigenga kugirango bagire isano ikomeye kandi yizewe hagati yimigabane. Iki gikorwa cyo gusudira kabiri cyemeza ko umuyoboro ushobora kwihanganira imihangayiko nimbaraga zishobora guhura nazo mugihe cyo gukora, bikaguma amahitamo yizewe kubintu bidasanzwe aho gutsindwa atari amahitamo.
Imwe mu nyungu nyamukuru yo gusudira inshuro ebyiri ni ubushobozi bwabo bwo gukemura ibibazo byimisozi miremire. Inzira ebyiri zo gusudira zitera guhuza kamere kandi ikomeye hagati yicyiciro cyimiyoboro, iremeza ko zishobora kwihanganira imikazo yimbere idafite ibyago byo kumeneka cyangwa kunanirwa. Ibi bituma biba byiza kubisabwa nka fapeline ya peteroli na gaze, aho ubusugire bwa sisitemu yumuyoboro ari ngombwa kumutekano no gukora neza.
Imbonerahamwe 2 nyamukuru kumubiri no kwimiti yimiyoboro yicyuma (GB / T3091-2008, GB / T9711-2011 na API SOM 5L) | ||||||||||||||
Bisanzwe | Icyicaro | Abashinzwe imiti (%) | Umutungo wa Tensile | Imodoka (v noch) ikizamini | ||||||||||
c | Mn | p | s | Si | Ikindi | Imbaraga Zitanga Imbaraga (MPA) | Imbaraga za Tensile (MPA) | (L0 = 5.65 √ S0) Umuyoboro wa Min (%) | ||||||
Max | Max | Max | Max | Max | min | Max | min | Max | D ≤ 168.33mm | D> 168.3mm | ||||
GB / T3091 -2008 | Q215A | ≤ 0.15 | 0.25 <1.20 | 0.045 | 0.050 | 0.35 | Ongeraho nbvti ukurikije gb / t1591-94 | 215 |
| 335 |
| 15 | > 31 |
|
Q215B | ≤ 0.15 | 0.25-0.55 | 0.045 | 0.045 | 0.035 | 215 | 335 | 15 | > 31 | |||||
Q235a | ≤ 0.22 | 0.30 <0.65 | 0.045 | 0.050 | 0.035 | 235 | 375 | 15 | > 26 | |||||
Q235b | ≤ 0.20 | 0.30 ≤ 1.80 | 0.045 | 0.045 | 0.035 | 235 | 375 | 15 | > 26 | |||||
Q295A | 0.16 | 0.80-1.50 | 0.045 | 0.045 | 0.55 | 295 | 390 | 13 | > 23 | |||||
Q295B | 0.16 | 0.80-1.50 | 0.045 | 0.040 | 0.55 | 295 | 390 | 13 | > 23 | |||||
Q345A | 0.20 | 1.00-1.60 | 0.045 | 0.045 | 0.55 | 345 | 510 | 13 | > 21 | |||||
Q345B | 0.20 | 1.00-1.60 | 0.045 | 0.040 | 0.55 | 345 | 510 | 13 | > 21 | |||||
GB / T9711-2011 (PSL1) | L175 | 0.21 | 0.60 | 0.030 | 0.030 |
| Kureka kongeramo kimwe mu bintu bya NBVTI cyangwa guhuza ibyo aribyo byose | 175 |
| 310 |
| 27 | Imwe cyangwa ebyiri zurutonde rukomeye rwingufu zingirakamaro no kogosha hashobora guhitamo. Kuri l555, reba bisanzwe. | |
L210 | 0.22 | 0.90 | 0.030 | 0.030 | 210 | 335 | 25 | |||||||
L245 | 0.26 | 1.20 | 0.030 | 0.030 | 245 | 415 | 21 | |||||||
L290 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 415 | 21 | |||||||
L320 | 0.26 | 1.40 | 0.030 | 0.030 | 320 | 435 | 20 | |||||||
L360 | 0.26 | 1.40 | 0.030 | 0.030 | 360 | 460 | 19 | |||||||
L390 | 0.26 | 1.40 | 0.030 | 0.030 | 390 | 390 | 18 | |||||||
L415 | 0.26 | 1.40 | 0.030 | 0.030 | 415 | 520 | 17 | |||||||
L450 | 0.26 | 1.45 | 0.030 | 0.030 | 450 | 535 | 17 | |||||||
L485 | 0.26 | 1.65 | 0.030 | 0.030 | 485 | 570 | 16 | |||||||
API 5L (PSL 1) | A25 | 0.21 | 0.60 | 0.030 | 0.030 |
| Ku cyiciro b steel, nb + V ≤ 0.03%; kuri steel ≥ Icyiciro B, Ongera Ongeraho NB cyangwa V cyangwa NB + T + ti ≤ 0.15% | 172 |
| 310 |
| (L0 = 50.8mm) kubarwa ukurikije formula ikurikira: e = 1944 · a0 .0 / U0 .0 | Ntayo cyangwa ibyo aribyo byose byingirakamaro hamwe nubutaka bwo kogosha birasabwa nkibipimo bikomeye. | |
A | 0.22 | 0.90 | 0.030 | 0.030 |
| 207 | 331 | |||||||
B | 0.26 | 1.20 | 0.030 | 0.030 |
| 241 | 414 | |||||||
X42 | 0.26 | 1.30 | 0.030 | 0.030 |
| 290 | 414 | |||||||
X46 | 0.26 | 1.40 | 0.030 | 0.030 |
| 317 | 434 | |||||||
X52 | 0.26 | 1.40 | 0.030 | 0.030 |
| 359 | 455 | |||||||
X56 | 0.26 | 1.40 | 0.030 | 0.030 |
| 386 | 490 | |||||||
X60 | 0.26 | 1.40 | 0.030 | 0.030 |
| 414 | 517 | |||||||
X65 | 0.26 | 1.45 | 0.030 | 0.030 |
| 448 | 531 | |||||||
X70 | 0.26 | 1.65 | 0.030 | 0.030 |
| 483 | 565 |
Usibye imbaraga zayo, umuyoboro wisumbabuwe kabiri nawo urashobora kwihanganira ubushyuhe bukabije, bigatuma bikwiranye nuburyo butandukanye bwinganda. Haba dutwara amazi ashyushye cyangwa imyuka, cyangwa gukorera mubidukikije bifite ubushyuhe bwihindagurika, umuyoboro wisumbabuwe ukomeza ubunyangamugayo n'imikorere, bugenga ibikorwa byizewe mu bihe bitoroshye.
Byongeye kandi, kuramba k'umuyoboro wasubukuwe kabiri uyitanga uhitamo neza kubisaba inganda. Ubushobozi bwabo bwo kwihanganira kwambara, ruswa nubundi buryo bwo gutesha agaciro bivuze ko bakeneye gufata neza no gusimburwa, kugabanya ibiciro byo gukora muri rusange nigihe cyo hasi.


Muri rusange, gukoresha umuyoboro wisumbabunze inshuro ebyiri gutanga inyungu zinganda, harimo imbaraga, kuramba no kwizerwa. Ubushobozi bwabo bwo gukemura ibibazo byinshi, ubushyuhe bukabije nibidukikije bikaze ibidukikije bibafasha muburyo butandukanye bwinganda ziva kuri peteroli na gaze kugirango bitunganyirize. Hamwe n'imikorere yabyo yagaragaye hamwe na serivisi ubuzima bwa serivisi, umuyoboro wa kabiri usuye ni umutungo wingenzi kuri sisitemu iyo ari yo yose inganda.
