Hollow-chikamu chivakwa pombi dzepasi pevhu zvakasikwa gasi mitsara
Spiral yakakundwa Arcpombisinoshandiswa zvakanyanya mukuvakwa kwepasi pevhu zvakasikwa gasi mitsara nekuda kweiyo yavo yakasarudzika yekugadzira maitiro. Mapepa anoumbwa nekugadzira marobhoti ekupisa kwesimbi inopisa mune yekupenya muchimiro uye obva azvikudza achishandisa iyo yakakundwa arc tilding maitiro. Izvi zvinogadzira yakakwira-simba spiral yakakundwa arc mapepa arc ine yunifomu yeunifensi
Tafura 2 huru yemuviri uye yemakemikari zvimiro zvebato (GB / T3091-2008, GB / T9711-2011 uye API SEPL 5L) | ||||||||||||||
Standard | Giredhi reSimbi | Cemical Constituents (%) | Tensile pfuma | Charpy (v notch) kukanganisa bvunzo | ||||||||||
c | Mn | p | s | Si | Zvimwe | YEBIEL Simba (MPA) | Tensile Simba (MPA) | (L0 = 5.65 √ s0) min strestch rate (%) | ||||||
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 | Kuwedzera NB \ v \ ti zvinoenderana neGB / 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 |
| Inesarudzo yekuwedzera imwe ye nb \ v \ ti zvinhu kana chero musanganiswa wavo | 175 |
| 310 |
| 27 | Imwe kana maviri eyakaomeswa index yekukanganisa simba uye kujekesa nzvimbo inogona kusarudzwa. Nekuti L555, ona chiyero. | |
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 |
| Yegiredhi b simbi, nb + v ± 0.03%; for simbi × giredhi b, sarudzo yekuwedzera nb kana v kana kusanganisa kwavo | 172 |
| 310 |
| (L0 = 58mm) Kuti uverengerwe maererano neyekutevera formula: e = 1944400 | Hapana kana chero kana zvese zviri zviviri simba zvine simba uye nzvimbo yekujekesa inodiwa seyakaoma maitiro. | |
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 |
Chimwe chezvakanakisa zvakanakira zveHollow-chikamu chivakwa mapipi ndeyekuita kwavo kwakanyanya kurwisa. Kana akavigwa pasi pevhu, zvakasikwa gasi mapipi anooneswa nekunyorova, ivhu rechikadzi uye zvimwe zvinhu zvinokatyamadza. Spiral yakakundwa ARC mapipi arc yakagadzirirwa zvakananga kuti undigadzirise mamiriro aya akaoma pasi, achivimbisa hupenyu hwakawanda uye kuvimbika kwechipatara zvakasikwa.
Kuwedzera kune Corrosion kuramba,Hollow-chikamu chivakwa pombiGovera simba rakakwirira uye kugadzikana, kuvaita kuti vakwanise kuiswa pasi pevhu. Kugadzirwa kwekupenga kweiyi mapaipi anopa kugona kwakakura-kutakura simba, kuvabvumira kuti varregedze uremu hwevhu uye mamwe masimba ekunze pasina kukanganisa kutendeka kwavo. Izvi zvinonyanya kukosha munzvimbo dzine geology rakaoma, uko mapipi anofanirwa kukwanisa kumira pasi pekufambisa uye kugadzirisa.


Pamusoro pezvo, gomba remuzvipfeko zvemuviri dzinozivikanwa nekuda kwavo kuwanda uye mutengo-zvinobudirira. Ivo vanouya mumhando dzakasiyana-siyana uye mativi uye anogona kugadziriswa kusangana nezvinodiwa zvechirongwa zvepasi pevhu zvirongwa zvepombi. Izvi zvinoenderana nekuderedza kudiwa kwekuwedzera kwekuwedzera uye tulating, zvichikonzera kuisirwa nekukurumidza uye kuderedza mari yakawanda. Chimiro chechiedza cheiyi mapaipi anoitawo kuti zvifambe uye kubata zvakanyatsobudirira, kuwedzera kubatsira mari yekubhadhara mari.
Kana zvasvika pakuchengetedza uye kushanda kwePasi pevhu zvakasikwa gasi mitsara, kusarudzwa kwezvinhu kwakakosha. Hollow-chikamu chivakwa pombi, kunyanya spiral yakakundwa Arc mapepa arc, kusanganisa simba, kusimba, kushanda-kuita, kuzviita zvakanakira pasi pevhu repasi pevhu gasi kutapurirana kwegasi. Nekudyara mumapipi epamusoro-mhando yakagadzirirwa zvakanyatsogadzirirwa zvivakwa zvepasi pevhu, makambani egesi anogona kuve nechokwadi chekuvimbika uye hurefu hwezvivakwa zvavo paunenge uchidzora mari yekugadzirisa uye kugadziriswa kwenguva refu.
Mune pfupiso, hombodo yemuchadenga-chikamu mapepa ekugadzira pombi inoita basa rakakosha mukuvakwa kwesimba repasi pemasikirwo ematombo egasi. Yayo yepamusoro posheni kupesana, simba repamusoro uye mutengo-kushanda unozviita sarudzo yekutanga yezvirongwa zvegasi zvechisikigo. Nokusarudza zvinhu zvakaringana zvevarwi pasi pevhu
