Nyob rau hauv xyoo tas los no, micro-surfacing tau dhau los ua ntau thiab dav siv los ua kev tiv thaiv kev saib xyuas. Txoj kev loj hlob ntawm micro-surfacing thev naus laus zis tau dhau los ntawm cov theem hauv qab no mus txog niaj hnub no.
Thawj theem: qeeb-kawg thiab qeeb-tsim slurry foob. Thaum lub Yim Hli Tsib Hlis Ntuj, lub asphalt emulsifier technology tsim nyob rau hauv kuv lub teb chaws tsis yog raws li tus qauv, thiab qeeb-crack emulsifiers raws li lignin amine feem ntau yog siv. Cov emulsified asphalt uas tsim tau yog ib qho qeeb-cracking thiab qeeb-tsim hom emulsified asphalt, yog li nws yuav siv sij hawm ntev los qhib kev khiav tsheb tom qab lub slurry foob tau nteg, thiab cov nyhuv tom qab kev tsim kho tsis zoo heev. Cov theem no yog kwv yees li ntawm 1985 txog 1993.
Qhov thib ob theem: Nrog kev tshawb fawb tsis tu ncua ntawm cov tsev kawm qib siab loj thiab cov chaw tshawb fawb tshawb fawb hauv kev lag luam hauv kev loj, kev ua haujlwm ntawm emulsifiers tau txhim kho, thiab qeeb tawg thiab ceev ceev asphalt emulsifiers tau pib tshwm sim, feem ntau yog anionic sulfonate emulsifiers. Nws yog hu ua: qeeb cracking thiab ceev ceev slurry foob. Lub sijhawm dhau los ntawm 1994 txog 1998.

Qhov thib peb theem: Txawm hais tias qhov kev ua tau zoo ntawm cov emulsifier tau txhim kho, lub slurry foob tseem tsis tuaj yeem ua tau raws li ntau txoj kev, thiab cov kev xav tau siab dua tau muab tso rau pem hauv ntej rau qhov kev ua tau zoo ntawm asphalt residues, yog li lub tswv yim ntawm kev hloov slurry foob tau tshwm sim. Styrene-butadiene latex lossis chloroprene latex yog ntxiv rau emulsified asphalt. Lub sijhawm no, tsis muaj kev xav tau ntau dua rau cov khoom siv ntxhia. Cov theem no kav los ntawm 1999 txog 2003.
Theem plaub: qhov tshwm sim ntawm micro-surfacing. Tom qab cov tuam txhab txawv teb chaws xws li AkzoNobel thiab Medvec nkag mus rau hauv Suav lag luam, lawv cov kev xav tau rau cov khoom siv ntxhia thiab emulsified asphalt siv hauv slurry foob yog txawv ntawm cov slurry foob. Nws tseem muab cov kev xav tau siab dua ntawm kev xaiv cov khoom siv raw. Basalt raug xaiv raws li cov khoom siv ntxhia, cov xuab zeb sib npaug siab dua, hloov kho emulsified asphalt thiab lwm yam kev mob hu ua micro-surfacing. Lub sijhawm yog los ntawm 2004 txog tam sim no.
Nyob rau hauv xyoo tas los no, lub suab nrov-txo micro-surfacing tau tshwm sim los daws cov teeb meem suab nrov ntawm micro-surfacing, tab sis daim ntawv thov tsis muaj ntau thiab cov nyhuv tsis zoo. Txhawm rau txhim kho qhov tensile thiab shear Performance index ntawm qhov sib tov, fiber ntau micro-surfacing tau tshwm sim; Yuav kom daws tau qhov teeb meem ntawm cov roj depletion ntawm thawj txoj kev nto thiab adhesion ntawm qhov sib tov thiab thawj txoj kev nto, viscosity-ntxiv fiber ntau micro-surfacing tau yug los.
Raws li qhov kawg ntawm 2020, tag nrho cov mileage ntawm txoj kev loj hauv kev ua haujlwm thoob tebchaws tau txog 5.1981 lab mais, ntawm 161,000 km tau qhib rau kev khiav tsheb ntawm txoj kev loj. Muaj kwv yees li tsib txoj kev tiv thaiv kev tiv thaiv muaj rau asphalt pavement:
1. Lawv yog pos huab sealing txheej txheej txheej: pos huab sealing txheej, xuab zeb sealing txheej, thiab xuab zeb-muaj pos sealing txheej;
2. Gravel sealing system: emulsified asphalt gravel sealing txheej, kub asphalt gravel sealing txheej, hloov asphalt gravel sealing txheej, roj hmab asphalt gravel sealing txheej, fiber ntau gravel sealing txheej, refined nto;
3. Slurry sealing system: slurry sealing, hloov slurry sealing;
4. Micro-surfacing system: micro-surfacing, fiber ntau micro-surfacing, thiab viscose fiber micro-surfacing;
5. Kub nteg system: nyias txheej npog, NovaChip ultra-thin hnav txheej.
Ntawm lawv, micro-surfacing yog dav siv. Nws qhov zoo yog tias nws tsis tsuas yog muaj cov nqi kho mob qis xwb, tab sis kuj muaj lub sijhawm siv luv luv thiab muaj txiaj ntsig zoo. Nws tuaj yeem txhim kho qhov kev ua haujlwm ntawm kev sib tsoo ntawm txoj kev, tiv thaiv dej seepage, txhim kho cov tsos thiab smoothness ntawm txoj kev, thiab ua rau kom muaj peev xwm thauj khoom ntawm txoj kev. Nws muaj ntau yam zoo hauv kev tiv thaiv kev laus ntawm txoj kev pavement thiab ncua kev pab cuam lub neej ntawm pavement. Txoj kev saib xyuas no tau siv dav hauv cov tebchaws tsim kho xws li Europe thiab Tebchaws Meskas thiab hauv Suav teb.