2.64mm Prestressed Conctrete Steel Wire Low So kom txaus Indented PC Strand Wire
2.64mm Prestressed Conctrete Steel Wire Low So kom txaus Indented PC Strand Wire
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Cov hlau hlau ua los ntawm cov pob zeb ua ntej yog cov hlau zoo ua los ntawm cov hlau kub-kuav los ntawm cov hlau kub-kuav los ntawm cov hlau, uas tau kho cua sov thiab ua kom txias. Nws yog tsim tshwj xeeb los ua kom tau raws li qhov yuav tsum tau ua ntawm cov pob zeb ua ntej.
Lub zog tensile ntawm cov hlau ua los ntawm cov pob zeb ua los ntawm cov pob zeb prestressed feem ntau yog siab dua 1470MPa. Dhau sijhawm, qib kev siv zog tau hloov pauv los ntawm 1470MPa thiab 1570MPa mus rau qhov ntau dua ntawm 1670MPa mus rau 1860MPa. Lub cheeb ntawm cov hlau kuj tau hloov pauv, los ntawm thawj 3 ~ 5 hli mus rau tus qauv tam sim no ntawm 5 ~ 7 hli. Cov lus qhia no ua kom ntseeg tau tias cov hlau ua tau ntev thiab ntseeg tau hauv kev tiv taus kev ntxhov siab thiab kev thauj khoom ntawm cov qauv pob zeb prestressed.
Cov pa roj carbon ntawm hom hlau no yog 0.65% txog 0.85%, thiab cov ntsiab lus sulfur thiab phosphorus tsawg, ob qho tib si qis dua 0.035%. Txij li thaum nws tsim khoom lag luam thiab daim ntawv thov hauv xyoo 1920, hlau prestressed tau dhau los ntawm ntau xyoo ntawm kev txhim kho, ua rau muaj ntau yam khoom tsim nyog rau ntau yam kev siv. Cov no suav nrog hlau txias kos, hlau ncaj thiab tempered, hlau so qis, hlau galvanized thiab hlau qhab nia. Cov hlau prestressed thiab cov hlau prestressed strands ua los ntawm lawv tau dhau los ua cov hlau prestressed siv dav tshaj plaws hauv ntiaj teb.
Cov hlau ua los ntawm cov pob zeb ua ntej muaj zog muaj ntau yam khoom tseem ceeb uas ua rau nws tsim nyog rau kev ua kom cov qauv pob zeb ruaj khov. Nws lub zog tensile siab thiab tiv taus kev hloov pauv ua rau nws tuaj yeem tiv taus cov khoom hnyav thiab tswj tau qhov ruaj khov ntawm cov qauv. Tsis tas li ntawd, cov yam ntxwv qis-so ntawm qee hom hlau ua ntej txo qhov poob ntawm kev nruj dhau sijhawm. Qhov no pab tswj qhov ruaj khov ntawm cov qauv pob zeb. Ntau hom hlau, xws li galvanized thiab scored, muab cov yam ntxwv ntxiv xws li kev txhim kho corrosion tiv thaiv lossis lub zog sib txuas zoo dua.
Cov xov hlau ua los ntawm cov pob zeb ua ntej muaj zog tau muab faib ua ntau hom raws li lawv cov yam ntxwv thiab kev siv. Cov no suav nrog cov xov hlau PC uas tsis tshua muaj zog, uas ua rau kev hloov pauv kev ntxhov siab zoo dua thiab txo cov yam ntxwv ntawm kev so. Lwm qhov kev faib tawm yog raws li txoj kab uas hla ntawm cov xov hlau, nrog rau cov kev xaiv txij li 2.64 hli rau cov ntawv thov uas nyuaj dua mus rau txoj kab uas hla loj dua rau cov haujlwm tsim kho hnyav.
Cov hlau ua los ntawm cov pob zeb prestressed siv dav hauv ntau yam haujlwm tsim kho. Feem ntau siv rau hauv kev tsim cov choj, viaducts, cov tsev siab thiab lwm yam qauv loj uas xav tau kev thauj khoom ntau dua. Lub peev xwm ntawm cov hlau los tiv taus kev nruj thiab tiv taus kev nruj ua rau nws zoo tagnrho rau cov khoom siv pob zeb reinforcing. Nws kuj tseem siv rau hauv kev tsim cov khoom siv pob zeb precast, cov txheej txheem post-tensioned, thiab cov txheej txheem anchoring hauv av qhov twg xav tau cov khoom siv reinforcing txhim khu kev qha thiab ruaj khov. Yeej, cov hlau ua los ntawm cov pob zeb prestressed yog qhov tseem ceeb rau kev ua kom muaj zog thiab kav ntev ntawm ntau yam qauv pob zeb.
Daim Ntawv Thov
Raws li Tuam Tshoj cov khoom siv hlau ua lag luam ua lag luam, lub teb chaws hlau lag luam thiab logistics "Pua pua lub tuam txhab kev ntseeg siab zoo", Tuam Tshoj hlau lag luam lag luam, "Sab saum toj 100 lub tuam txhab ntiag tug hauv Shanghai". Shanghai Zhanzhi kev lag luam Group Co., Ltd., (luv rau Zhanzhi Group) siv "Kev Ncaj Ncees, Kev Ua Tau Zoo, Kev Tsim Kho Tshiab, Yeej-Yeej" ua nws txoj hauv kev ua haujlwm, ib txwm mob siab rau kev muab cov neeg siv khoom xav tau ua ntej.
- KEV UA SIAB NCAJ NCEES
- YEEJ-YEEJ
- PRAGMATIC
- KEV TXHIM KHO TSHIAB
