Tsis ntev los no nrog kev txhim kho sai ntawm kev tsim kho txoj kev loj, cov thev naus laus zis ntawm cov qauv asphalt concrete tau ua tiav sai thiab tau mus txog ntau qhov kev ua tiav zoo thiab zoo heev.
Tam sim no, asphalt concrete tau siv dav hauv kev tsim kho txoj kev loj, qhia txog nws txoj haujlwm tseem ceeb hauv cov haujlwm tsim kho. Txawm li cas los xij, thaum pom cov txiaj ntsig tau ua tiav, peb kuj yuav tsum paub tias cov teeb meem deformation thiab kev puas tsuaj ntawm asphalt concrete pavement tab tom loj hlob zuj zus.
Cov qhov av thiab cov kev hloov pauv loj heev ntawm txoj kev tuaj yeem muaj kev cuam tshuam loj heev rau kev tsav tsheb nyab xeeb.Basalt fiber txiav strandyog ib hom khoom siv fiber tshiab, nrog nws cov khoom siv kho tshuab tshwj xeeb, kev ruaj khov zoo, thiab kev ua haujlwm siab, ua rau nws yog cov khoom siv txhawb nqa zoo heev.
Kev ua tau zoo ntawmbasalt fiber txiav strand
Basalt fiber chopped strand yog cov inorganic mineral fiber nrog qhov ntev tsawg dua 50 hli, uas yog txiav los ntawm cov basalt fiber substrate thiab tuaj yeem sib xyaw ua ke hauv cov pob zeb.
Basalt fiber txiav strandmuaj cov khoom zoo heev xws li lub zog axial siab thiab modulus siab, nrog lub zog tensile ntawm 2250-2550MPa thiab modulus elastic ntau dua 78 GPa; luv luv basalt muaj qhov kub thiab txias zoo heev, tso cai rau nws ua haujlwm tas li ntawm -269 txog 650 degrees Celsius; Nws muaj kev tiv thaiv corrosion siab thiab tshuaj lom neeg ruaj khov hauv cov xov xwm corrosive (acid, alkali, ntsev daws), thiab tuaj yeem tswj tau qhov tiv thaiv alkaline corrosion siab dua hauv cov tshuaj alkaline saturated thiab cement thiab lwm yam alkaline media. Tus nqi khaws cia ntawm ib txoj hlua tawg lub zog yog ntau dua 75%; Basalt fiber chopped strand kuj tseem tuaj yeem sib xws nrog cov nplaum inorganic, nrog tus nqi nqus dej tsawg dua 1% thiab lub peev xwm nqus uas tsis hloov pauv raws sijhawm, uas ua pov thawj lawv cov khoom ruaj khov, lub neej ntev, thiab kev sib raug zoo ib puag ncig thaum siv; Tsis tas li ntawd, basalt fiber chopped strand kuj muaj kev ua tau zoo rwb thaiv tsev, kev lim dej kub siab, tiv taus hluav taws xob, thiab nthwv dej zoo permeability. Rooj 1 qhia cov ntsuas kev ua tau zoo ntawm basalt fiber chopped strand.
Kev tshuaj xyuas daim ntawv thov ntawm basalt fiber chopped strand hauv asphalt concrete pavement
Basalt fiber txiav strandasphalt concrete feem ntau yog ua los ntawm kev ntxiv basalt fiber chopped strand hauv qhov sib piv kom haum rau cov khoom siv asphalt concrete rau txoj kev, thiab sib tov lawv hauv qab qhov sib tov nruj, kub, av noo, lub sijhawm sib tov, thiab lwm yam mob.
Raws li peb paub zoo, ntxiv rau cov fibers basalt, cov ntaub ntawv fiber xws li polyester fibers, ntoo fibers, thiab cov mineral wool fibers tuaj yeem siv ua cov ntaub ntawv txhawb nqa hauv kev txhawb nqa ntawm asphalt concrete. Txawm li cas los xij, kev siv cov fibers no tau ntau xyoo qhia tau hais tias muaj qee qhov teeb meem thaum lawv siv ua cov ntaub ntawv txhawb nqa hauv asphalt concrete, xws li kev ua haujlwm tsis zoo tiv thaiv kev laus, kev ua kom muaj zog tsis zoo, thiab ua rau tib neeg noj qab haus huv tsis zoo.
Qhov tshwm sim ntawm cov fiber basalt chopped strand tau ua tiav qhov sib txawv ntawm cov ntaub ntawv thiab cov txheej txheem, daws tau cov teeb meem uas muaj nyob rau hauv asphalt concrete paving uas twb muaj lawm thiab ua lub luag haujlwm tseem ceeb hauv kev txhawb nqa nws. Nws lub luag haujlwm hauv asphalt concrete paving yog pom tseeb hauv cov hauv qab no:
(1) Basalt fiber chopped strand, vim lawv cov dej nqus tsawg, tuaj yeem ntxiv rau asphalt concrete kom ua rau cov tuab ntawm asphalt pavement nce, ua rau nws tsis tshua muaj kev tawg thiab tsis ruaj khov ntawm txoj kev vim dej nqus thiab nthuav dav.
(2) Basalt fiber chopped strand tsis yog tsuas yog siv tau lawv cov modulus siab thiab tensile zog, ib yam li cov hlau fibers, los tiv thaiv kev nthuav dav ntxiv ntawm cov kab nrib pleb tom qab lawv tshwm sim, tab sis kuj kom tsis txhob muaj cov xwm txheej uas cov hlau fibers feem ntau clumping thaum sib tov, uas tsis zoo rau kev twj, thiab cov txheej txheem kev tsim kho yog qhov nyuaj.
(3) Cov fiber basalt uas raug txiav yog cov fiber nitric acid ib txwm muaj, uas muaj kev sib raug zoo. Vim tias nws qhov chaw yog fluffy, nws tuaj yeem nqus asphalt, yog li ntawd cov fiber basalt tau faib sib npaug hauv cov pob zeb ua vaj tse, tsim cov txheej txheem sib txuas khov kho, yog li txhim kho kev tiv thaiv kev laus thiab kev ruaj khov ntawm asphalt pob zeb ua vaj tse.
(4) Cov xov basalt fiber txiav muaj qhov kub thiab txias zoo heev. Nws qhov kub ua haujlwm yog ntawm -270 txog 651 degrees Celsius, thiab nws tuaj yeem tswj tau qhov ruaj khov hauv qhov chaw kub siab. Nws kuj tseem tuaj yeem tiv thaiv kev poob ntawm cov khoom siv hauv cov pob zeb ua vaj tse, txhim kho nws qhov ruaj khov, thiab txhim kho qhov kub thiab txias tiv thaiv kev ntxhov siab ntawm asphalt pob zeb ua vaj tse.
Tsis tas li ntawd xwb, cov xov basalt fiber chopped kuj muaj kev tiv thaiv kub qis zoo heev, tshwj xeeb tshaj yog rau kev txhim kho qhov kub qis fission tsis kam ntawm asphalt concrete pavement.
Ntxiv cov basalt fiber chopped strand rau hauv asphalt concrete tuaj yeem txhim kho qhov kev tiv thaiv kev cuam tshuam, kev tiv thaiv rutting, thiab cov khoom siv kho tshuab ntawm asphalt concrete pavement. Tshwj xeeb, basalt fiber chopped strand ua lub luag haujlwm tseem ceeb hauv asphalt concrete pavement, xws li kev tiv thaiv kev tawg, tiv thaiv kev ntws, kev ruaj khov, kev tiv thaiv kev cuam tshuam, lub zog tensile, thiab kev zoo nkauj.
Cov txheej txheem tsim kho thiab kev ceev faj raubasalt fiber txiav strandasphalt pob zeb
(1) Kub ntawm kev tsim kho
Qhov kub ntawm kev tsim kho ntawm basalt fiber chopped strand asphalt concrete yuav tsum tsis txhob qis dhau, vim tias basalt fiber chopped strand yuav ua rau cov viscosity ntawm asphalt nce ntxiv. Yog li ntawd, qhov kub ntawm kev tsim kho ntawm luv luv basalt asphalt concrete yuav tsum siab dua li ntawm cov asphalt concrete ib txwm muaj, txwv tsis pub nws yuav yooj yim ua rau tsis sib xws.
(2) Kev tswj xyuas zoo ntawm kev tsim kho
Kev tswj xyuas qhov zoo ntawm cov pob zeb basalt fiber chopped strand asphalt yuav tsum tau them sai sai rau kev tswj xyuas qhov zoo ntawm kev tshuaj xyuas, kev ntsuas, thiab kev sib tov ntawm txhua yam khoom siv hauv cov pob zeb basalt fiber chopped strand.
Hauv kev tsim kho tiag tiag, yuav tsum xaiv cov basalt luv luv sib txawv hauv qhov ntau thiab tsawg raws li qhov yuav tsum tau ua ntawm engineering. Vim tias cov fiber basalt txiav strand lawv tus kheej tsis cuam tshuam nrog lwm cov khoom sib xyaw thiab cov khoom sib xyaw, cov fiber ntau yuav tsis hloov pauv qhov sib xyaw ntawm cov pob zeb qub.
Thaum lub sijhawm tsim kho, qhov zoo ntawm ntau yam khoom siv hauv basalt fiber chopped strand reinforced concrete yuav tsum tau xam thiab txiav txim siab raws li qhov sib xyaw ua ke thiab qhov sib xyaw ib zaug. He Junyong, Tian Chengyu, thiab lwm tus tau kawm txog qhov sib xyaw zoo tshaj plaws ntawm basalt fiber reinforced concrete los ntawm cov txheej txheem tsim orthogonal. Tsib yam tseem ceeb, suav nrog cov ntsiab lus fiber, dej cement piv, cov ntsiab lus tshauv ya, cov xuab zeb piv, thiab kev siv dej ib chav, tau raug xaiv ua cov yam tseem ceeb hauv kev sim.
Rooj 2 qhia txog qhov sib xyaw ua ke zoo tshaj plaws ntawm cov pob zeb basalt fiber reinforced concrete tau los ntawm kev sim.
Cov kev sim tau qhia tias qhov siab dua ntawm cov ntsiab lus ntawm basalt fiber chopped strand, qhov zoo dua qhov tawg tsis kam ntawm cov pob zeb, ntawm 1.2kg / m ³ Hauv qee qhov ntau, lub zog compressive ntawm cov pob zeb nce nrog rau qhov nce ntawm cov ntsiab lus ntawm basalt fiber chopped strand, tom qab ntawd txo qis thiab nce hauv daim ntawv nkhaus.
(3) Kev noj zaub mov thiab txoj kev
Hauv cov txheej txheem sib xyaw ntawmbasalt fiber txiav strandasphalt concrete, yuav tsum xav txog cov txheej txheem pub mis ntawm basalt fiber chopped strand. Thaum siv, ntxiv basalt fiber chopped strand ua ke nrog cov pob zeb xws li xuab zeb thiab pob zeb. Nws yog qhov zoo tshaj plaws los ntxiv xuab zeb thiab pob zeb tib lub sijhawm. Ntxiv basalt fiber chopped strand rau hauv xuab zeb, tom qab ntawd ntxiv asphalt thiab cov khoom sib tov ntub thiab do.
Txoj kev ntxiv fiber ntau muaj peev xwm muab faib ua kev ntxiv tes thiab kev ntxiv tsis siv neeg. Kev ntxiv dag yog hais txog kev ntxiv tes rau cov xov basalt fiber uas tau raug hnyav tom qab cov pob zeb kub ntxiv rau hauv lub tank sib tov. Txawm li cas los xij, nws qhov tsis zoo yog kev siv zog ua haujlwm siab, kev sib tov tsis sib xws, thiab qhov xav tau ntev lub sijhawm sib tov raws li qhov xwm txheej tiag tiag kom ntseeg tau tias cov fiber tau tawg sib npaug ntau dua hauv cov pob zeb asphalt.
Kev pub mis tsis siv neeg txhais tau tias yog kev siv lub tshuab pub mis basalt fiber los ntsuas qhov ntau ntawm cov khoom siv uas yuav tsum tau ntxiv thiab muab tso rau hauv lub lauj kaub sib tov nrog rau cov khoom sib xyaw kub ntawm lub tshuab sib tov. Lub tshuab pub mis fiber muaj qhov zoo xws li kev ntsuas tsis siv neeg, kev sib tsoo ua ntej, thiab lub tshuab xa cua, thiab muaj cov haujlwm ntxiv fiber yooj yim, ceev, thiab raug. Hauv kev siv tiag tiag, cov txheej txheem tsim nyog yuav tsum tau xaiv raws li qhov xwm txheej tiag tiag ntawm kev tsim kho.
(4) Kev ceev faj txog kev paving
Ua ntej, yuav tsum tau them sai sai rau qhov huv ntawm qhov chaw paving; Tom qab ntawd preheat lub paver lub phaj ironing rau 120 degrees Celsius, thaum them sai sai rau qhov ceev ntawm paving, tswj nws ntawm kwv yees li 3 txog 4 meters ib feeb; Tus coefficient ntawm loosening yuav tsum tau txiav txim siab raws li qhov kev sim tiag tiag ntawm qhov project; Qhov kub ntawm paving yuav tsum tau tswj hwm ntawm 160 degrees Celsius.
(5) Kev tsim thiab kho
Cov pob zeb sib xyaw nrogbasalt fiber txiav strandyuav tsum tsis muaj qhov yuav tsum tau tshwj xeeb thaum lub sijhawm molding, tsuas yog xyuas kom meej tias cov asphalt concrete compacted tag nrho. Nws yuav tsum tau compacted ntau li ntau tau nyob rau hauv qhov kub siab.
Cov piv txwv ntawm daim ntawv thovbasalt fiber txiav strandhauv kev paving asphalt concrete
Txoj Kev Sib Txuas Haining ntawm Jiashao Expressway (nrog rau txoj kev ua los ntawm 20cm cement stabilized crushed stone base thiab +6cm (AC-20C) asphalt concrete thiab +4cm (AC-16C) asphalt concrete) thiab 08 Provincial Road tau txais kev pom zoo los ntawm Haining Municipal Science and Technology Bureau. Txhawm rau tshawb nrhiav cov txheej txheem kev tshawb fawb thiab kev siv tau zoo los txhim kho txoj kev tiv thaiv kev sib tsoo, xyuas kom muaj kev nyab xeeb thiab du ntawm txoj kev loj, thiab siv zog kho cov kab mob sib tsoo yooj yim thiab yooj yim, nrog lub sijhawm tsim kho luv luv thiab cov nqi kho qis, kev sim kho tau ua los ntawm kev siv cov asphalt concrete hloov kho nrog basalt fiber chopped strand.
Los ntawm qhov kev xav ntawm kev kho mob, qhov ntxiv ntawm basalt fiber chopped strand zoo heev txhim kho qhov kub siab ruaj khov ntawm asphalt concrete pavement, txhim kho qhov ruaj khov ntawm txoj kev, ntev nws lub neej kev pabcuam, thiab txo qhov tshwm sim ntawm cov ruts thib ob, muab kev lav zoo rau kev tsav tsheb kev nyab xeeb.
Xaus lus
Basalt fiber txiav strand, nrog lawv cov khoom siv kho tshuab tshwj xeeb, kev ruaj khov zoo, thiab tus nqi qis, ua rau lawv yog cov khoom siv txhim kho pob zeb zoo heev. Cov kev cia siab ntawm daim ntawv thov ntawm basalt fiber chopped strand reinforced asphalt concrete yog dav heev. Ob qho tib si kev lag luam thiab kev sib raug zoo yuav ua tiav qhov xwm txheej yeej-yeej, thiab nws yuav dhau los ua ib qho ntawm cov ntaub ntawv tseem ceeb hauv kev tsim kho txoj kev loj yav tom ntej.
Shanghai Orisen Cov Khoom Siv Tshiab Technology Co., Ltd.
M: +86 18683776368 (thiab WhatsApp)
Xov tooj: +86 08383990499
Email: grahamjin@jhcomposites.com
Chaw Nyob: NO.398 Txoj Kev Ntsuab Tshiab Xinbang Town Songjiang District, Shanghai
Lub sijhawm tshaj tawm: Lub Peb Hlis-13-2024