TRB Lub Kheeb Teeb Txuj Ci tau tsim cov roj carbon fiber ntau reinforced yas (CFRP) npoo vaj huam sib luag qhov rooj nrog bio-raws li cob thiab ib qho 100% khoob khoob taub hau.
Kev tsim thiab kev tiv thaiv hluav taws ntawm qhov tshiab cov khoom siv biocomposite qhov nplooj ntoos yog tsim rau kev siv rau saum av thiab hauv av railways. Kev sib txuas lus yog BS 6853 thiab BS 476 thiab ua raws li EN 45545 HL3 tus qauv.
Raws li TRB, nws tam sim no muaj cov kev lag luam hauv kev lag luam tsim kom muaj kev sib koom ua ke rau cov qhov rooj uas muaj nqi zoo li cov txhuas lub qhov rooj thiab lub qhov rais tawg thiab hnyav 35%. Cov khoom nthuav dav nws cov khoom rau cov neeg muas zaub nyob rau hauv kev lag luam kev tsheb nqaj hlau kom ua tau raws li qhov kev xav cog lus rau ntau lub zog khoom zoo nyob rau hauv lub ntiaj teb khw.
TRB cov qauv tsim thiab tshuab pab neeg ua haujlwm tau ua haujlwm nrog cov koom nrog cov neeg koom tes tsim cov tshiab cov roj carbon fiber ntau dua prepreg resins. Qhov kev kaw lus tshiab no yuav tsum muaj qhov kev lag luam muaj txiaj ntsig zoo, ua lag luam TRB rau cov khoom siv hluav taws xob kom zoo dua tuaj yeem ua kom muaj hluav taws xob, pa taws thiab cov pa luam yeeb (FST) hauv cov ntawv pov tseg underground. Qhov "biopreg" tshiab no, uas yog non-toxic thiab tsis siv cov tshuaj solvent tsis haum xeeb, yog ua raws li cov tshuaj Polymeric sterol (PFA) ua los ntawm cov cawv tau siv tau los ntawm cov khoom pov tseg ntawm cov khoom qab zib kom zoo.
TRB's tshiab prepreg yog thawj qhov chaw tiv thaiv hluav taws rau kev lag luam, tshwj xeeb tshaj yog rau TRB los tsim cov khoom rau kev siv FST rail. Ntxiv nrog rau qhov rooj sib thawb, prepregs tuaj yeem siv tau rau lwm lub tsheb. Cov tub ntxhais siv npuas dej uas siv hauv qhov rooj ntawm cov npoo hlau yog tsim los ntawm cov khoom siv 100%. Cov xim txig ua dua tshiab ua tau raws li TRB tus "High Sustainability" specification thiab, thaum siv ob lub khib nyiab carbon fiber ntau thiab cov bioresin prepregs, muab tag nrho cov khoom siv rau cov qhaub cij. Matrix tsim kev xaiv rau lwm daim ntaub ntawv ntawm fiberglass, natural los yog aramid fiber yuav tau txais kev kho los ntawm TRB thaum thov. Raws li qhov kev xav tau ntawm cov neeg siv kev tsheb ciav hlau,
Raws li cov ntaub ntawv ywj siab, lub npoo vaj huam sib luag kaw hu ua Theem 1a hauv BS 476 Tshooj 7: Kuaj 'Nplaim taws kis' rau xyoo 1977, thiab sau nplaim hluav taws tsuas yog 30% ntawm 50 hli hauv lub sij hawm 1.5 feeb. Qhov siab tshaj plaws uas tsim nyog rau theem 1a yog 165 hli.
"Peb zoo siab nrog rau cov ntaub ntawv qhia txog kev ua haujlwm ntawm cov roj carbon fiber ntau prepreg sandwich panels, tshwj xeeb tshaj yog cov FST specification," said TRB chief engineer Lyndon Newman. "Hauv 30 xyoo ntawm qhov kev lag luam no, kuv yeej tsis tau pom Cov kev tua hluav taws ua hauj sim zoo rau cov tsis muaj phenolic raws thermoset tshuab tsim BS txuj kom xis. Peb cov PFA bioresin prepregs muaj hluav taws xob ntau dua li phenolic resins, nrog rau cov ntsuas kub thiab tshuaj lom neeg. "
"Peb pib tsim cov khoom siv roj ntsha hauv tshuab raj no, tiam sis nws siv tau rau lwm cov ntawv siv ntawm kev sib txuas," nws ntxiv. "Peb tau coj cov aviation prepreg tshuab rau peb cov neeg muas zaub tsheb ciav hlau. Lawv tau tam sim no muab lawv ib qho tseeb 'ntsuab' cov ntaub ntawv tsim xaiv uas yog 35% sib dua dua ib txhuas alloy qhov rooj ntawm tus nqi tib. "
Cov ntaub ntawv muab los ntawm TRB piv rau 40 kg txhuas qhov rooj, tsis suav cov khoom fittings los yog rooj tog, thiab tib qhov rooj loj li lub tshiab biocomposite CFRP prepreg sandwich vaj tse uas ua los ntawm TRB tsuas yog 26 kg. .
Lub TRB biocomposite CFRP qhov rooj nplooj yog qhia tias muaj lub voj voog 40 xyoo, yog muaj sijhawm ntau tshaj li cov khoom sib txhuas sib txawv, thiab muaj kev nplua nuj uas tsis zoo thiab cov nqi tsawg. Vim tias qhov txo qhov hnyav hnyav, qhov rooj sib tshuam cov rooj sib tham yuav tsum siv lub qhov rooj rau lub qhov hnyav thiab muaj kev tsheb ciav hlau ntau cov kev txuag nqi xws li txo kev siv hluav taws xob tsawg dua thiab khiav tsis tshua khiav. Tsis tas li ntawd xwb, lawv muab lub sijhawm rau luv luv chaw nres tsheb nyob rau lub sijhawm vim ntais cov qhov rooj qhib thiab kaw rau ob peb feeb. Rau London lub tsheb, qhov no yog ib txoj kev los xam cov kev pabcuam txhua hnub hauv lub installation thiab khiav ntxiv cov raj xaib txhua hnub rau kev tseemceeb uas yuav tsum tsis txhob ncav sijhawm.
