Ib tug advanced suite ntawmsteel ntawv pawgcov tshuab tam sim no tau ua rau kev tsim kho choj sai rau kev tsheb ciav hlau ceev ntawm ntau qhov haujlwm loj hauv North America, Latin America thiab Asia. Cov ntaub ntawv qhia txog engineering qhia tias kev txhim kho kev daws teeb meem raws li qib siab zog steel, cov txheej txheem kev teeb tsa kev teeb tsa thiab kev tiv thaiv corrosion zoo dua tso cai rau kev txo qis ntawm lub hauv paus tsim lub sij hawm, thaum ua rau lub sij hawm ntev kev ruaj ntseg.
Cov thawj coj ntawm qhov project ntawm US West Coast high-speed rail corridor qhia tias lub xeev-ntawm-the-artnplooj ntawv pawgsystem accelerates cofferdam kev tsim kho, txo cov kev xav tau ntawm cov cuab yeej hnyav, thiab ua kom muaj kev ruaj ntseg hauv cov dej-laden thiab cov av mos. Cov cuab yeej siv no ua rau kev sib sib zog nqus tob thiab muaj peev xwm thauj khoom ntau dua ua rau nws tsim nyog rau cov choj piers thiab abutments hauv av nyuaj.
Hauv Mexico thiab Chile, qhov twg ob peb txoj kev tsheb ciav hlau tshiab tab tom tab tom ua, cov neeg cog lus hais tias qhov tshiabkoj ntaus ntawv pawgkev daws teeb meem muab cov nqi txuag hauv av, txhawb nqa kev khawb sai, thiab muab cov kev tiv thaiv ib puag ncig ntau dua rau cov tsoos reinforced pob zeb tuav cov phab ntsa. Nws reusability ntxiv txo cov khoom pov tseg thiab tag nrho cov phiaj xwm emissions.
Qhov kev txhim kho tseem ceeb tshaj plaws los ntawm kev siv cov qib siab zog steel uas ua tau raws li ASTM / AASHTO cov qauv, tso cai rauu shape steel pawgyuav raug rau cov kev ntxhov siab hnyav uas tau npaj tseg hauv kev tsheb ciav hlau ceev. Txhim kho corrosion resistant coatings kuj ua rau lub hauv paus kev pab cuam lub neej muab kev ruaj ntseg mus sij hawm ntev rau rail txuas hniav tsim rau 80-100 xyoo kev pab cuam.
Cov tub ceev xwm los ntawm ntau lub chaw thauj mus los tau hais tias qhov kev sib tsoo yuav yog qhov tseem ceeb hauv kev txuas ntxiv kev kub ceev yav tom ntej. Raws li lub ntiaj teb kev lag luam kev lag luam tsom mus rau kev nrawm dua ntawm lub neej thiab txoj hauv kev ntsuab ntawm lub tsev, qhov kev ua tau zoo ntawm cov ntawv steel pawg daws teeb meem yuav dhau los ua tus qauv rau kev tsim cov choj tshiab railway.
Raws li cov teb chaws tab tom sib tw los tsim kom muaj kev kub ceev kev tsheb ciav hlau txuas ntxiv mus, cov thev naus laus zis thev naus laus zis thev naus laus zis no yuav hloov pauv kev tsim cov choj loj, txhim kho qhov chaw ua haujlwm thiab muab cov choj muaj zog thiab kev daws teeb meem ntau dua rau ntau tiam neeg ntawm cov neeg tsim vaj tsev.
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Post lub sij hawm: Nov-07-2025