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    Chitoliro cha Chitsulo Chapamwamba Kwambiri Chogwirira Ntchito Zomangamanga

    Chitoliro cha Chitsulo Chapamwamba Kwambiri Chogwirira Ntchito Zomanga Chithunzi Chowonetsedwa
    • Chitoliro cha Chitsulo Chapamwamba Kwambiri Chogwirira Ntchito Zomangamanga
    • Chitoliro cha Chitsulo Chapamwamba Kwambiri Chogwirira Ntchito Zomangamanga

    Kufotokozera Kwachidule:

    Mapaipi athu achitsulo apangidwa kuti akhale odalirika komanso olimba, zomwe zimapangitsa kuti akhale abwino kwambiri pa ntchito zosiyanasiyana zomanga monga cofferdams. Mulu uliwonse umachitika motsatira njira yowongolera bwino kwambiri kuti utsimikizire kuti ukukwaniritsa miyezo yapamwamba kwambiri, zomwe zimakupatsani mtendere wamumtima pa ntchito yanu yomanga.


    Tsatanetsatane wa Zamalonda

    Ma tag a Zamalonda

     

    Muyezo  Kalasi yachitsulo Zinthu Zamankhwala (%) Katundu Wolimba Charpy(V notch)

    Mayeso a Zotsatira
    c Mn p s Si Zina Mphamvu Yopereka(Mpa) Kulimba kwamakokedwe(Mpa) （L0=5.65 √ S0）Mphindi Yotambasula （%）
    kuchuluka kuchuluka kuchuluka kuchuluka kuchuluka mphindi kuchuluka mphindi kuchuluka D ≤ 168.33mm D ＞ 168.3mm
      

     

    GB/T3091 -2008

    		 Q215A ≤ 0.15 0.25 ＜ 1.20 0.045 0.050 0.35   

    Kuwonjezera NbVTi mogwirizana ndi 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     

     

    Ngati mukufuna kuwonjezera chimodzi mwa zinthu za NbVTi kapena kuphatikiza kulikonse kwa izo

    		 175   310   27  Chimodzi kapena ziwiri mwa zizindikiro za kulimba kwa

    mphamvu yokhudza mphamvu ndi malo odulira ubweya angasankhidwe.

    L555, onani muyezo.
    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    Za chitsulo cha kalasi B,

    Nb+V ≤ 0.03%;

    zachitsulo ≥ kalasi B, kuwonjezera Nb kapena V kapena zawo

    kuphatikiza, ndi Nb+V+Ti ≤ 0.15%

    		 172   310    (L0 = 50.8mm) kukhala

    kuwerengedwa motsatira fomula iyi:

    e=1944·A0 .2/U0 .0

    A: Malo a chitsanzo mu mm2 U: Mphamvu yochepa yokhazikika mu Mpa

    		  Palibe kapena chilichonse

    kapena zonse ziwiri

    zotsatira zake

    mphamvu ndi

    kumeta ubweya

    dera likufunika ngati muyezo wa kulimba.
    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

    Chiyambi cha Zamalonda

    Tikubweretsa mapaipi athu achitsulo apamwamba kwambiri omangira ntchito zomanga, opangidwa kuti akwaniritse zofunikira kwambiri pa zomangamanga zamakono. Opangidwa ku fakitale yathu yapamwamba ku Cangzhou, Hebei Province, mapaipi athu achitsulo amapangidwa pogwiritsa ntchito zipangizo zabwino kwambiri komanso ukadaulo wapamwamba. Kuyambira pomwe tinakhazikitsidwa mu 1993, takhala odzipereka kuchita bwino kwambiri ndipo takhala mtsogoleri wamakampani, okhala ndi malo okwana masikweya mita 350,000 ndi chuma chonse cha RMB 680 miliyoni.

    Mapaipi athu achitsulo apangidwa kuti akhale odalirika komanso olimba, zomwe zimapangitsa kuti akhale abwino kwambiri pa ntchito zosiyanasiyana zomanga monga cofferdams. Mulu uliwonse umachitika motsatira njira yowongolera bwino kwambiri kuti utsimikizire kuti ukukwaniritsa miyezo yapamwamba kwambiri, kukupatsani mtendere wamumtima pa ntchito yanu yomanga. Ndi antchito aluso 680, timatha kugwira ntchito za kukula kulikonse, kupereka chinthu chomwe sichingokwaniritsa zomwe amayembekezera, komanso choposa zomwe amayembekezera.

    Kaya mukugwira ntchito pa ntchito yayikulu yomanga kapena ntchito yaying'ono yomanga, mapaipi athu achitsulo apamwamba kwambiri ndi njira yabwino kwambiri yokwaniritsira zosowa zanu. Khulupirirani zaka zathu zokumana nazo komanso kudzipereka kwathu kuzinthu zabwino kuti zikupatseni zipangizo zabwino kwambiri pa ntchito yanu yomanga. Sankhani yathumulu wa chitoliro chachitsulochifukwa cha mphamvu zawo, kudalirika kwawo komanso magwiridwe antchito awo, komanso kuona kusiyana komwe zipangizo zapamwamba zingapangitse pa ntchito yanu yomanga.

    Chitoliro cha SSAW

    Ubwino wa Zamalonda

    1. Podziwika bwino chifukwa cha kudalirika kwawo komanso kulimba kwawo, mapaipi achitsulo ndi abwino kwambiri pa ntchito zosiyanasiyana zomangira, monga ma cofferdams.

    2. Kapangidwe kake kolimba kamatsimikizira chitetezo ndi kukhazikika komwe kumafunika pa maziko ndi ntchito zina zomanga.

    3. Chitsulo chapamwamba chomwe chimagwiritsidwa ntchito popanga mapaipi achitsulo chimawathandiza kupirira katundu waukulu komanso kupewa zinthu zachilengedwe monga dzimbiri ndi kuyenda kwa nthaka.

    4. Njira zopangira zomwe makampani ngati athu amagwiritsa ntchito, omwe ali ku Cangzhou, Hebei Province, amaonetsetsa kuti mulu uliwonse ukukwaniritsa miyezo yokhwima yaubwino, zomwe zimapatsa makontrakitala ndi mainjiniya mtendere wamumtima.

    Kulephera kwa malonda

    1. Chimodzi mwa nkhani zazikulu ndi mtengo; chitsulo chapamwamba ndi chokwera mtengo, zomwe zingapangitse kuti bajeti ya polojekiti ikwere.

    2. Njira yokhazikitsa ikhoza kukhala yovuta, imafuna zida zapadera komanso akatswiri aluso, zomwe zingawonjezere nthawi ya ntchito.

    3. Ngakhale kuti mapaipi achitsulo ndi olimba, amatha kugwidwa ndi dzimbiri ngati sakusamalidwa bwino.

    Kugwiritsa ntchito

    Mu dziko lomanga lomwe likusintha nthawi zonse, kusankha zipangizo kumakhudza kwambiri kupambana ndi moyo wautali wa ntchito. Chinthu chimodzi chomwe chatsimikizika kukhala chofunikira kwambiri ndi mapaipi achitsulo apamwamba kwambiri. Mapaipi achitsulo awa amapangidwa mosamala ndipo ndi ofunikira pa ntchito zosiyanasiyana zomanga, makamaka popanga maziko olimba ndikuwonetsetsa kuti kapangidwe kake ndi koyenera.

    Yopangidwa pogwiritsa ntchito zipangizo zabwino kwambiri komanso ukadaulo wapamwamba,chitoliro chachitsuloMiyala yamatabwa ndi chisankho chodalirika pa ntchito iliyonse yomanga. Kapangidwe kake kamphamvu ka nyumba ndi kothandiza makamaka pa ntchito monga cofferdams, komwe kukhazikika ndi chitetezo ndizofunikira kwambiri. Miyala iyi imatha kupirira katundu wolemera komanso nyengo zovuta zachilengedwe, zomwe zimapangitsa kuti ikhale chisankho chabwino kwambiri cha mainjiniya ndi makontrakitala.

    Pomaliza, kugwiritsa ntchito mapaipi achitsulo apamwamba kwambiri ndikofunikira kuti ntchito yomanga ipambane. Kudalirika kwawo, mphamvu zawo, ndi njira zawo zopangira zinthu zapamwamba zimapangitsa kuti zikhale zoyenera kwambiri pa maziko ndi zomangamanga. Pamene tikupitiriza kupanga zinthu zatsopano ndikukonza zinthu zathu, tikupitirizabe kudzipereka kuthandizira makampani omanga ndi zipangizo zabwino kwambiri. Sankhani mapaipi athu achitsulo pa ntchito yanu yotsatira ndikuwona kusiyana kwa ubwino ndi magwiridwe antchito.

    FAQ

    Q1: Kodi milu ya mapaipi achitsulo ndi chiyani?

    Mapaipi achitsulo ndi nyumba zozungulira zopangidwa ndi chitsulo chapamwamba kwambiri, zopangidwa kuti zikhomedwe pansi kuti zipereke maziko. Zimapangidwa pogwiritsa ntchito ukadaulo wapamwamba kuti zitsimikizire kuti zikukwaniritsa zofunikira zolimba pamapulojekiti osiyanasiyana omanga.

    Q2: N’chifukwa chiyani muyenera kusankha milu ya mapaipi achitsulo kuti mupange?

    Mapaipi achitsulo amadziwika chifukwa cha mphamvu zawo komanso kulimba kwawo. Kapangidwe kawo kolimba kamawapangitsa kukhala abwino kwambiri ku Cofferdams komwe kukhazikika ndikofunikira kwambiri. Mapaipi awa amatha kupirira katundu wolemera komanso nyengo zovuta zachilengedwe, zomwe zimapangitsa kuti akhale chisankho chodalirika cha maziko ndi mapulojekiti ena omanga.

    Q3: Kodi kampani yanu ili kuti?

    Kampani yathu idakhazikitsidwa mu 1993 ndipo ili mumzinda wa Cangzhou, m'chigawo cha Hebei. Ili ndi malo okwana masikweya mita 350,000, ili ndi katundu wokwana ma yuan 680 miliyoni, ndipo pakadali pano ili ndi antchito 680. Tadzipereka kupanga mapaipi achitsulo apamwamba kwambiri omwe amakwaniritsa zosowa za makasitomala.

    Q4: Ndi njira ziti zotsimikizira khalidwe zomwe mumatenga?

    Timayang'ana kwambiri pa ubwino pa gawo lililonse la kupanga. Mapaipi athu achitsulo amapangidwa pogwiritsa ntchito zipangizo zabwino kwambiri ndipo amagwiritsa ntchito ukadaulo wapamwamba kuti atsimikizire kudalirika. Njira yathu yowongolera bwino khalidwe imawonetsetsa kuti zinthu zathu zikugwirizana ndi miyezo yamakampani komanso zomwe makasitomala amafuna.

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