Jul 17, 2025 Tso lus

Dab tsi yog qhov tuab tuab kam kam rau astm a252 yeeb nkab piles

1. Cov Qauv Tseem Ceeb Rau General General General Phab Ntsa Thickness Zam:

12.5% (Siv rau cov phab ntsa tuab ntau yam).
Piv txwv li:
Nominal phab ntsa thickness 10mm → RAWS LI: 8.75-11.25mm;
Nominal phab ntsa tuab 20mm → RAWS LI: 17.5-22.5mm.
Cov kev cai tshwj xeeb rau Weld cheeb tsam:

Phab ntsa tuab ntawm WELD tso cai rau kev sib txawv tsis zoo tab sis tsis txwv qhov kev sib txawv zoo (los xyuas kom meej tus qauv qauv ua ntej)

 

2. Qhov xwm txheej cuam tshuam rau kev thev taus

Chaw ua uas tsis tau haus Zam Txim Cov Cai
Txheej hauv lub taub Qhov loj dua cov taub sab nraud, lub xoob xoob tiv thaiv kev tswj (piv txwv li ntawm 219 hli, kev thev taus tuaj yeem so kom txaus rau ± 15%)
Thickness rau txoj kab uas hla (T / D) Qhov me me ntawm cov sib piv ntawm phab ntsa tuab (t)
Cov txheej txheem ntau lawm Kev Tiv Thaiv Kev Tiv Thaiv Arc Welded Yeeb Nkab (LSAWW) yog qhov zoo dua li ntawm cov yeeb nkab welded (swshaw), nrog cov qub muaj kev ua siab ntev txog ± 10% -12.5%

 

3. Cov ntawv thov sau ntawv
Yuav tsum tau xeem:
Lub phab ntsa tuab ntawm txhua cov yeeb nkab steel yuav tsum raug ntsuas ntawm 100mm los ntawm cov yeeb nkab kawg, thiab tus nqi nruab nrab ntawm plaub cov ntsiab lus yuav tsum tau ua;
Kev tswj kev sib txawv no:
Lub zos tsawg kawg nkaus phab ntsa tuab yuav tsum tsis pub tsawg tshaj 87.5% ntawm tus nqi nominal (zam cov kabmob tsis muaj zog);
Cov xaj tshwj xeeb:
Txog kev ua haujlwm hnyav (xws li ntug dej hiav txwv platform), ib qho kev cai kev ua haujlwm ntawm ± 10% tuaj yeem sib ceg, tab sis cov nqi ntxiv.

 

 A252 carbon steel pipe piles

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