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    Icyuma Cyiza Cyicyuma Ikirundo Kubikorwa byubwubatsi

    Icyuma Cyiza Cyicyuma Ikirundo Kubyubaka Imishinga Yerekanwe
    • Icyuma Cyiza Cyicyuma Ikirundo Kubikorwa byubwubatsi
    • Icyuma Cyiza Cyicyuma Ikirundo Kubikorwa byubwubatsi

    Ibisobanuro bigufi:

    Ibirundo byibyuma byacu byashizweho kugirango byizewe kandi biramba, bituma biba byiza mubikorwa bitandukanye byubwubatsi nka cofferdams. Buri kirundo gikora inzira igoye yo kugenzura ubuziranenge kugirango cyuzuze ibipimo bihanitse, biguhe amahoro yo mumutima kumushinga wawe wo kubaka.


    Ibicuruzwa birambuye

    Ibicuruzwa

     

    Bisanzwe  Icyiciro Ibigize imiti (%) Umutungo wa Tensile CharpyNot V notch）

    Ikizamini Ingaruka
    c Mn p s Si Ibindi Gutanga ImbaragaMpa） ImbaragaMpa） 0 L0 = 5.65 √ S0） min Ikigereranyo cyo Kurambura （%）
    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     

     

    Guhitamo wongeyeho kimwe mubintu bya NbVTi cyangwa guhuza kwose

    		 175   310   27  Kimwe cyangwa bibiri byerekana ubukana

    Ingaruka zingufu hamwe nogukata ahantu hashobora gutorwa. Kuri

    L555, reba ibisanzwe.
    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    Icyiciro cya B ibyuma,

    Nb + V ≤ 0,03%;

    ku byuma ≥ urwego B, guhitamo kongera Nb cyangwa V cyangwa ibyabo

    guhuza, na Nb + V + Ti ≤ 0.15%

    		 172   310    （L0 = 50.8mm） kuba

    kubarwa ukurikije formula ikurikira:

    e = 1944 · A0 .2 / U0 .0

    Igisubizo: Agace k'icyitegererezo muri mm2 U: Ntarengwa yagaragajwe imbaraga muri Mpa

    		  Nta na kimwe

    cyangwa byombi

    Ingaruka

    ingufu na

    kogoshesha

    agace karasabwa nkigipimo cyo gukomera.
    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

    Kumenyekanisha ibicuruzwa

    Kumenyekanisha ibyuma byacu byujuje ubuziranenge ibyuma byubaka, byashizweho kugirango byuzuze ibisabwa byubatswe bigezweho. Yakozwe mu ruganda rwacu rugezweho i Cangzhou, mu Ntara ya Hebei, ibirundo by’imiyoboro y'ibyuma bikozwe hifashishijwe ibikoresho byiza n’ikoranabuhanga rigezweho. Kuva twashingwa mu 1993, twiyemeje kuba indashyikirwa kandi twabaye umuyobozi w'inganda, ufite ubuso bwa metero kare 350.000 n'umutungo wose wa miliyoni 680.

    Ibirundo byibyuma byacu byashizweho kugirango byizewe kandi biramba, bituma biba byiza mubikorwa bitandukanye byubwubatsi nka cofferdams. Buri kirundo gikora inzira igoye yo kugenzura ubuziranenge kugirango cyuzuze ibipimo bihanitse, biguhe amahoro yo mumutima kumushinga wawe wo kubaka. Hamwe nabakozi 680 bafite ubuhanga, turashoboye gukora imishinga yubunini ubwo aribwo bwose, dutanga ibicuruzwa bitujuje ibyateganijwe gusa, ariko birabarenze.

    Waba ukora umushinga munini wibikorwa remezo cyangwa umushinga muto wubwubatsi, ibirundo byujuje ubuziranenge byibyuma nibisubizo byiza kubyo ukeneye. Wizere imyaka y'uburambe no kwiyemeza ubuziranenge kugirango tuguhe ibikoresho byiza byumushinga wawe wo kubaka. Hitamo ibyacuikirundo cy'icyumakubwimbaraga zabo, kwizerwa no gukora, kandi wiboneye itandukaniro ibikoresho byujuje ubuziranenge bishobora gukora mumushinga wawe wubwubatsi.

    Umuyoboro wa SSAW

    Ibyiza byibicuruzwa

    1. Azwi cyane kubwizerwa n'imbaraga zabo, ibirundo by'ibyuma nibyiza kubikorwa bitandukanye byubwubatsi, nka cofferdams.

    2. Igishushanyo mbonera cyabo cyubaka kirinda umutekano n’umutekano bisabwa ku mfatiro n’ibindi bikorwa remezo.

    3.

    4. Ibikorwa byo gukora bikoreshwa namasosiyete nkatwe, biherereye i Cangzhou, Intara ya Hebei, byemeza ko buri kirundo cyujuje ubuziranenge bukomeye, giha abashoramari naba injeniyeri amahoro yo mumutima.

    Ibura ry'ibicuruzwa

    1. Kimwe mu bibazo by'ingenzi ni ikiguzi; ibyuma byo mu rwego rwo hejuru bihenze, bishobora gutera ingengo yimishinga kwiyongera.

    2. Igikorwa cyo kwishyiriraho kirashobora kuba ingorabahizi, gisaba ibikoresho kabuhariwe nakazi kabuhariwe, bishobora kongera igihe cyumushinga.

    3. Mugihe ibirundo byibyuma biramba, birashobora kwibasirwa nubwoko bumwe na bumwe bwangirika iyo bidakozwe neza cyangwa bikabikwa neza.

    Gusaba

    Mwisi yisi igenda itera imbere yubwubatsi, guhitamo ibikoresho bigira ingaruka zikomeye kubitsinzi no kuramba kwumushinga. Ikintu kimwe cyagaragaye ko ari ingenzi ni ibirundo byo mu rwego rwo hejuru. Ibi birundo byibyuma byakozwe neza kandi nibyingenzi mubikorwa bitandukanye byubwubatsi, cyane cyane mugushiraho urufatiro rukomeye no kwemeza ubusugire bwimiterere.

    Yakozwe ukoresheje ibikoresho byiza kandi byikoranabuhanga bigezweho,umuyoboro w'icyumaibirundo ni amahitamo yizewe kumushinga wose wubwubatsi. Igishushanyo mbonera cyabo gikomeye ni ingirakamaro cyane mubikorwa nka cofferdams, aho umutekano n'umutekano ari ngombwa. Ibi birundo birashobora kwihanganira imitwaro iremereye hamwe n’ibidukikije bikabije, bigatuma bahitamo neza ba injeniyeri naba rwiyemezamirimo.

    Mu gusoza, gukoresha ibyuma byujuje ubuziranenge ibyuma byingenzi ni ngombwa kugirango umushinga wubwubatsi ugerweho. Kwizerwa kwabo, imbaraga, hamwe nibikorwa byo gukora byateye imbere bituma biba byiza kubikorwa n'imishinga remezo. Mugihe dukomeje guhanga udushya no kunoza ibicuruzwa byacu, dukomeje kwiyemeza gutera inkunga inganda zubaka hamwe nibikoresho byiza. Hitamo ibyuma byibyuma byumushinga wawe utaha hanyuma wibonere itandukaniro mubyiza nibikorwa.

    Ibibazo

    Q1: Ikirundo cy'ibyuma ni iki?

    Ibirundo by'ibyuma ni ibyuma bya silindrike bikozwe mu byuma byo mu rwego rwo hejuru, bigenewe gutwarwa mu butaka kugira ngo bitange inkunga y'ifatizo. Byakozwe hifashishijwe ikoranabuhanga rigezweho kugirango barebe ko byujuje ibisabwa byimishinga itandukanye.

    Q2: Kuki uhitamo ibirundo by'ibyuma byo kubaka?

    Ibirundo by'ibyuma bizwiho imbaraga no kuramba. Igishushanyo mbonera cyimiterere yabo ituma biba byiza kuri cofferdams aho ituze rifite akamaro gakomeye. Ibi birundo birashobora kwihanganira imizigo iremereye hamwe n’ibidukikije bikabije by’ibidukikije, bigatuma bahitamo kwizerwa kubishingwe nindi mishinga remezo.

    Q3: Isosiyete yawe iherereye he?

    Isosiyete yacu yashinzwe mu 1993 ikaba iherereye mu mujyi wa Cangzhou, Intara ya Hebei. Ifite ubuso bwa metero kare 350.000, ifite umutungo wose wa miliyoni 680, kandi kuri ubu ifite abakozi 680. Twiyemeje kubyaza umusaruro ibyuma byujuje ubuziranenge byujuje ibyifuzo byabakiriya.

    Q4: Ni izihe ngamba zifatika zifatika ufata?

    Twibanze ku bwiza kuri buri cyiciro cy'umusaruro. Ibirundo byibyuma byibyuma bikozwe hifashishijwe ibikoresho byiza kandi bigakoresha ikoranabuhanga rigezweho kugirango ryizere. Igikorwa cyacu gikomeye cyo kugenzura ubuziranenge cyemeza ko ibicuruzwa byacu byujuje ubuziranenge bwinganda nibisobanuro byabakiriya.

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