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Basalt Fiber Reinforcement hauv Kev Siv Hluav Taws Xob thiab Kev Tshawb Fawb

2025-01-09 IB

1.Basalt Fiber ntau reinforcement nyob rau hauv pob zeb pavements

Nruam ntxiv dag zog rau cov pob zeb pavements tswj kev tawg vim shrinkage los ntawm kev tso ib tug txaus tus naj npawb ntawm reinforcement tuav nyob rau hauv lub longitudinal kev taw qhia. Qhov kev tsim no tsis tsuas yog txhim kho lub peev xwm thauj khoom thiab kav ntev ntawm txoj kev loj tab sis kuj txhim kho qhov chaw tsav tsheb rau lub tsheb los ntawm kev tsis muab kev nthuav dav thiab kev sib koom ua ke thaum lub sijhawm Kev tsim kho. Txawm li cas los xij, txij li cov qauv pavement tsis tuaj yeem raug kaw tag nrho, cov yam ntxwv xws li cov dej nag nkag thiab cov te heave tuaj yeem ua rau corrosion ntawm steel reinforcement, uas cuam tshuam rau kev ua haujlwm ntawm txoj kev loj.

Basalt fiber ntau Kev siv dag zog tuaj yeem siv los ua qhov chaw ntawm cov khoom siv dag zog rau cov pob zeb ua kom tsis tu ncua vim nws zoo heev corrosion kuj thiab siab tensile zog. Qhov kev daws teeb meem no zoo daws qhov teeb meem ntawm cov hlau xeb, yog li txhim kho qhov ntev ntawm cov pob zeb ua vaj tse. Ntxiv rau, basalt fiber ntau Qhov cuab yeej cuab tam yog cov khoom siv uas tsis muaj cov pa roj carbon monoxide thiab ib puag ncig, thiab nws cov nqi kom zoo dua yuav ua rau muaj txiaj ntsig ntau dua nrog kev txo qis ntawm cov khoom siv hlau ore. Cov kev tshawb fawb uas twb muaj lawm tau pom tias kev siv BF-RP qhov cuab lub zog hauv cov pob zeb ua vaj tse qhia pom cov txiaj ntsig zoo ntawm kev ua haujlwm ntev thiab kev tiv thaiv corrosion, thiab kev tsim kho nyuaj thiab kev vam meej yog piv rau cov hlau reinforcement. Txawm li cas los xij, vim qhov tsis tshua muaj kev sib hloov ntawm elasticity ntawm BF-RP qhov cuab lub zog, nws yog ib qho tsim nyog yuav tsum tau ua kom nws qhov kev txhawb zog me ntsis, feem ntau ntawm 0.78% thiab 1.0%, thiab coj los siv lub tswv yim tsim ntawm "me me txoj kab uas hla thiab qhov sib nrug ze".

2.Kev tshawb fawb ntawm basalt fiber reinforcement nyob rau hauv reinforcing luv pob zeb eccentric compression kab

Cov kev siv dag zog niaj hnub feem ntau yog siv cov khoom siv sab nraud, tab sis txoj kev no yog cumbersome hauv kev tsim kho thiab muaj kev tsis zoo rau qhov kub thiab txias. Lub teeb yuag, muaj zog, siab-kub thiab corrosion-resistant khoom ntawm basalt fiber ntau cov ntaub ntawv coj ib tug tshiab kev xaiv rau cov txheej txheem reinforcement. Tam sim no, cov cuab yeej siv zog ntawm kev sib koom ua ke basalt fiber ntau Cov nplooj ntawv yog cov paub tab, tab sis kev tshawb fawb txog kev txhim kho cov flexural load peev xwm ntawm cov pob zeb pob zeb los ntawm embedding basalt fiber tendons yog me me. Cov ntaub ntawv ntsig txog qhia tau tias basalt fiber ntau Qhov cuab yeej txhawb nqa tau zoo txhim kho txoj kev khoov sab nraud ntawm cov pob zeb pob zeb thiab tuaj yeem txhim kho lub peev xwm ntxiv los ntawm kev sib txuas cov txheej txheem ntawm outsourcing basalt fiber ntau daim ntaub.

Kev tsim ua ntu zus ntawm embedded basalt fiber reinforcement yog raws li nram no:

  1. Qhib qhov zawj raws li qhov tsim loj
  2. Ntxuav qhov zawj
  3. Siv cov khoom sib txuas (epoxy resin nplaum)
  4. Embedded BF-RP tuav
  5. Sau nrog binder sib npaug
  6. Tos kom lub binder kho thiab tom qab ntawd nqa tawm kev kho deg.

Los ntawm kev sib txuas nrog cov ntaub ntawv tawm ntawm basalt fiber ntau, BF-RP qhov cuab lub zog tuaj yeem zam qhov tshwm sim ntawm kev ntog thiab tawg hauv cov txheej txheem ntawm kev ntxhov siab, kev tsim kho tau yooj yim thiab siv tau, thiab nyob hauv qhov chaw tsawg dua, uas muaj qhov zoo sib xws.

3.Basalt fiber reinforced qhob kab teeb

BF-RP qhov cuab lub zog yog ib puag ncig tus phooj ywg, lub zog siab tsis yog xim hlau cov khoom siv ntxiv uas muaj cov khoom xws li corrosion resistance, electromagnetic rwb thaiv tsev, thiab qaug zog tiv thaiv, ua rau nws yog ib qho kev xaiv rau steel reinforcement nyob rau hauv tej yam tshwj xeeb tej yaam num. Txawm li cas los xij, tsis zoo li cov khoom siv hlau, BF-RP tuav tsis muaj qhov taw qhia tseem ceeb thiab muaj cov qauv qis ntawm elasticity, uas yuav ua rau muaj kev cuam tshuam ntau dua ntawm cov kab teeb ci ua rau tib lub nra. Txawm hais tias qhov kev puas tsuaj ntawm cov pob zeb nrog BF-RP qhov cuab lub zog yog nkig thiab tsis muaj qhov pom tseeb, nws ua rau muaj qhov deformation loj ua ntej kev puas tsuaj, uas es tsis txhob ceeb toom rau kev nyab xeeb ntawm cov qauv.

Yog tias lub tsev muaj qhov yuav tsum tau ua kom nruj dua rau cov pob zeb tawg, nws yog qhov yuav tsum tau txiav txim siab siv prestressing rau basalt fiber ntau tendons, los yog ua kom lawv cov modulus elasticity, thiab sib tov thiab txuam nrog steel reinforcement los xyuas kom meej stability thiab kev ruaj ntseg ntawm cov qauv.

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