Kev xaiv cov yeeb nkab pheej yig
Qhia txog peb cov kev xaiv pile pheej yig: qhov kev daws teeb meem zoo tshaj plaws rau koj cov kev xav tau kev tsim kho. Ntawm peb lub tuam txhab, peb txaus siab rau peb tus kheej hauv kev muab cov khoom siv kauv zookev tsim cov yeeb nkab steeluas tau tsim los kom tiv taus txawm tias qhov chaw nyuaj tshaj plaws. Txawm tias koj koom nrog kev tsim choj, kev tsim kho txoj kev lossis kev tsim kho tsev siab, peb cov piles muab rau koj lub hauv paus txhim khu kev qha kom ntseeg tau tias koj txoj haujlwm yuav ua haujlwm tau ntev thiab ruaj khov.
Peb cov yeeb nkab steel piles uas siv cov thev naus laus zis tshiab kawg nkaus no yog tsim los kom ua tau raws li qhov xav tau ntawm ntau yam kev siv. Lawv txoj kev tsim kho ruaj khov lav qhov ua tau zoo tshaj plaws, ua rau lawv zoo tagnrho rau cov neeg cog lus thiab cov neeg ua vaj tse uas tab tom nrhiav kev ruaj khov yam tsis tas siv nyiaj ntau. Peb nkag siab tias kev siv nyiaj tsim nyog yog qhov tseem ceeb hauv kev lag luam sib tw niaj hnub no, yog vim li cas cov yeeb nkab steel piles uas peb muab yog qhov kev xaiv pheej yig yam tsis muaj kev cuam tshuam rau qhov zoo.
Peb txoj kev cog lus rau kev ua kom cov neeg siv khoom txaus siab yog lub hauv paus ntawm txhua yam peb ua. Tau ntau xyoo, peb tau tsim lub koob npe nrov rau kev ua tus neeg siv khoom tsom mus rau thiab muab kev pabcuam ua ntej muag, muag khoom, thiab tom qab muag. Qhov kev mob siab rau no ua kom peb ua tau raws li txhua yam kev xav tau ntawm peb cov neeg siv khoom, muab cov khoom lag luam thiab cov kev pabcuam uas ib txwm nrov.
Cov Khoom Siv Qhia Txog Khoom
| Tus Qauv | Qib hlau | Cov tshuaj lom neeg muaj pes tsawg leeg | Cov khoom siv tensile | Kev Ntsuas Kev Cuam Tshuam Charpy thiab Kev Ntsuas Qhov Hnyav Ntawm Qhov Tso Tawm | ||||||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | CEV4)(%) | Rt0.5 Mpa Tawm zog | Lub zog Tensile Rm Mpa | Rt0.5 / Rm | (L0 = 5.65 √ S0) Kev Ntev A% | ||||||
| siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | Lwm yam | siab tshaj plaws | feeb | siab tshaj plaws | feeb | siab tshaj plaws | siab tshaj plaws | feeb | |||
| L245MB | 0.22 | 0.45 | 1.2 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 245 | 450 | 415 | 760 | 0.93 | 22 | Kev ntsuam xyuas qhov cuam tshuam ntawm Charpy: Lub zog nqus dej ntawm lub cev yeeb nkab thiab cov xov hlau yuav tsum tau kuaj raws li qhov xav tau hauv tus qauv qub. Yog xav paub ntxiv, saib tus qauv qub. Kev ntsuam xyuas qhov hnyav poob: Thaj chaw txiav xaiv tau | |
| GB/T9711-2011 (PSL2) | L290MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 290 | 495 | 415 | 21 | |||
| L320MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
| L360MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
| L390MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
| L415MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
| L450MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
| L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1)2)3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
| L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1)2)3 | Kev sib tham | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
| Lus Cim: | ||||||||||||||||||
| 1) 0.015 ≤ Altot < 0.060;N ≤ 0.012; AI—N ≥ 2—1;Cu ≤ 0.25; Ni ≤ 0.30; Cr ≤ 0.30; Mo ≤ 0.10 | ||||||||||||||||||
| 2) V + Nb + Ti ≤ 0.015% | ||||||||||||||||||
| 3) Rau txhua qib hlau, Mo yuav ≤ 0.35%, raws li daim ntawv cog lus. | ||||||||||||||||||
| Mn Cr+Mo+V Cu+Ni4) CEV=C+ 6+5+5 | ||||||||||||||||||
Qhov Zoo ntawm Khoom
1. Cov kev daws teeb meem no uas pheej yig tuaj yeem txo cov peev nyiaj ntawm cov haujlwm thiab ua rau kev tsim kho loj yooj yim dua. Rau cov tuam txhab uas tab tom nrhiav kom siv lawv cov peev txheej kom zoo tshaj plaws, cov kav dej pheej yig tuaj yeem muab lwm txoj hauv kev xaiv uas ua tau yam tsis muaj kev cuam tshuam rau kev ua haujlwm ntawm cov qauv.
2. Muaj ntau lub chaw tsim khoom, suav nrog peb lub tuam txhab, muab qhov tseem ceeb rau kev txaus siab ntawm cov neeg siv khoom los ntawm kev muab kev pabcuam ua ntej muag, thaum muag, thiab tom qab muag kom ntseeg tau tias cov neeg siv khoom tau txais kev txhawb nqa uas lawv xav tau thoob plaws hauv kev yuav khoom.
Qhov tsis zoo ntawm cov khoom
1. Cov khoom siv pheej yig yuav tsis ua tau raws li cov qauv zoo uas yuav tsum tau ua rau cov haujlwm loj dua, uas tuaj yeem ua rau cov qauv tsis ua haujlwm lossis cov nqi kho ntxiv rau lub sijhawm ntev.
2. Qhov ruaj khov thiab kev ua tau zoo ntawm cov kev xaiv pheej yig no yuav txawv, uas yuav ua rau muaj kev pheej hmoo rau kev nyab xeeb thiab lub sijhawm ua haujlwm.
Cov Lus Nug Feem Ntau
Q1: Piling Steel Pipe yog dab tsi?
Cov kav hlau uas muab ntsia ua ke yog cov qauv cylindrical muaj zog uas siv los txhawb cov tsev thiab lwm yam qauv. Lawv raug tsav mus tob rau hauv av kom muaj kev ruaj khov thiab muaj peev xwm nqa tau khoom, ua rau lawv tseem ceeb hauv cov haujlwm tsim kho, tshwj xeeb tshaj yog nyob rau hauv cov cheeb tsam uas muaj av tsis zoo.
Q2: Vim li cas ho xaiv cov kauv welded loj txoj kab uas hla steel yeeb nkab pawg?
Cov kav dej uas vuam los ntawm cov kauv yog cov uas paub txog lawv lub zog thiab kev ruaj khov. Cov txheej txheem vuam kauv ua rau muaj cov kab uas loj dua, uas tuaj yeem txhawb nqa cov khoom hnyav dua. Qhov no ua rau lawv zoo tagnrho rau cov haujlwm tsim kho loj uas cov txheej txheem ib txwm muaj yuav tsis ua tau raws li qhov yuav tsum tau ua.
Q3: Kuv yuav nrhiav cov kev xaiv pheej yig li cas?
Nrhiav kev pheej yigcov yeeb nkab txuasCov kev xaiv tsis tau txhais hais tias yuav tsum txo qhov zoo. Peb lub tuam txhab muab qhov tseem ceeb rau kev txaus siab ntawm cov neeg siv khoom los ntawm kev muab ntau yam kev cai tshwj xeeb kom haum rau txhua qhov kev xav tau. Peb xyuas kom meej tias peb cov khoom muaj tus nqi sib tw yam tsis muaj kev txo qhov zoo. Peb cov kev pabcuam ua ntej muag, hauv kev muag khoom, thiab tom qab muag khoom tau ua pov thawj tias koj tau txais kev txhawb nqa thoob plaws hauv tag nrho cov txheej txheem yuav khoom.
Q4: Kuv yuav tsum xav txog dab tsi thaum kuv yuav khoom?
Thaum xaiv cov yeeb nkab hlau rau kev teeb tsa, xav txog cov yam xws li txoj kab uas hla, qhov zoo ntawm cov khoom siv, thiab cov kev xav tau tshwj xeeb rau qhov project. Peb pab neeg mob siab rau pab koj ua cov kev xaiv no, xyuas kom koj nrhiav tau qhov kev daws teeb meem uas haum rau koj cov kev xav tau.







