Hloov kho txoj kev: Lub zog ntawm polymer hloov asphalt rau kev ua kom ruaj khov

Ntsiab lus:Tshawb nrhiav lub ntiaj teb ntawmpolymer hloov asphalt(PMA), ib qho kev nce qib tseem ceeb tshaj ib txwm muajashiltsCov. Tsab ntawv no rho tawm rau dab tsihloov asphaltyog, vim li casAsphalt Hloov Khoyog qhov tseem ceeb rau niaj hnub tsim kho, cov hompolymerModifiers siv (zoo li lub tswv yim tshiabElvaloy ™ Ret), thiab yuav ua li cas nws ua rau ntau dua ruaj,nyob cuag, thiab nqi-tsim nyogkev puaCov. Yog tias koj koom nrog hauv cov ntaub ntawv tsourcing rau txoj kev siv, Aluminium smelting, lossis steel ntau lawm, nkag siabPaj Ntawvyog qhov tseem ceeb los ua kom tiav cov kev ua tau zoo thiab muaj peev xwm, muaj peev xwm cuam tshuamkev rov siv dua tshiabntws zoo liyasCov. Nyeem rau kom kawm paub yuav ua li cas xaiv txoj caiAsphalt Sivtuaj yeem ua rau lub ntiaj teb sib txawv.

1. Yuav ua li cas raws nraimYogHloov asphalt hloov kho? Nkag siab txog cov hauv paus

Ntawm nws cov tub ntxhais, asphalt yog nplaum, dub, thiab kua zaub muaj kuab heev lossis ib nrab khoom ntawm cov roj av. Nws yog cov kua nplaum, lossisAsphalt Binder, uas tuav tseg (zoo li pob zeb thiab xuab zeb) ua ke los ua tusAsphalt paviPeb tsav tsheb rau txhua hnub. Txawm li cas los xij, qauv lossis "zoo nkauj"Asphalt Bindermuaj kev txwv. Nws tuaj yeem ua brittle thiabplebhauvTxias-Kubtej yam kev mob lossis muag dhau thiab nquag mus rutting (Kuj mus rau deformationteeb meem) ntawmKev Kub SiabCov. Qhov no yog qhov twgkev hloovlos hauv.

Hloov asphaltyog qhov tseem ceeb paLuj asphaltuas tau txhim kho los ntawm kev ntxiv tshwj xeebpolymerslossis lwm yamCov Khoom Sib Txawv Sib Txawv(Modifiers). Xav txog nws zoo li ntxiv rau cov khoom xyaw tshwj xeeb rau ib daim ntawv qhia los txhim kho nws txoj kev ntxhib los mos, lub zog, lossis nws coj li cas raws sib txawv. Lub hom phiaj ntawmAsphalt Hloov Khoyog los txhim khoCov Khoom Siv Lub Cevntawm phau ntawv zwm muag, ua rau nws muaj ntau dua resilient thiab zoo dua haum rau lis cov kev ntxhov siab ntawm niaj hnub noLub Tsheb Thauj Khoomthiab ntau yam huab cua. Tusbinder yog hloov khokom ua tiav qhov tshwj xeebxav tau kev ua tau zooCov yam ntxwv ntawdyam tsis muaj qhovAsphalt tsuas yog tsis tuaj yeem xa tawm tsis sib haum.

Cov txheej txheem cuam tshuam ua tib zoo blending cov xaivhloov khorau hauv kubAsphalt BinderTxhawm rau tsim cov ruaj khov, homogeneousyam sib xyawCov. Qhov ua tau zoo ntawm lubkev hloovnyob ntawm cov hom thiab tus nqipolymersiv, cov khoom ntawm lubLuj asphalt, thiab kev sib raug zoo ntawm cov phau ntawv thiab covyam ntxiv rauCov. Txoj kev ua kom zoo no tsim cov neeg sawv cev zoo tshaj plaws rauAsphalt Mixtures, ua rau muaj zog, ntau duaNtev ntev txoj kev yus taug kev saum.

2. Vim li cas txhim kho ntxiv? Unveiling cov txiaj ntsig kev ua tau zoo ntawm polymer hloov asphalt

Yog li, yog vim li cas thiaj mus dhau ntawm cov teeb meem thiab cov peev txheej ntxiv ntawm kev sivhloov asphalt? Cov lus teb nyob rau hauv kev txhim kho ntau yam ua tau zoo thiab txuas ntxivPEM PEM PEM PEM PEM PEM PEM PWM. Piv rau cov paAsphalt,polymer hloov asphaltmuaj ntau yam ntawm kev sib xyaw zoo uas txhais lus rau hauv tus nqi zoo duaKev Pabcuam Lub Neejntawm lubkev tshebCov. MarkSon, zoo li ntau tus tub ceev xwm cov tub luam, zoo rau qhov ua tau zoo uas ua rau tus nqi nkaus xwb, thiabPaj Ntawvfeem ntau muab cov khoom ntawd.

Nov yog qee cov txiaj ntsig tseem ceeb:

• Muaj zog ntxiv mus rau rutting:NtawmKev Kub Siab, tus qauv asphalt yuav mos, ua rau muaj kev cuam tshuam lossis ruts nyob hauv hnyavLub Tsheb Thauj Khoom. Kev Hloov Kho Polymer, tshwj xeeb yog nrog elastomers nyiamTus ntseslossis reactive polymers zoo liElvaloy ™ Ret, nce lub binder lub zog txhav thiab elasticity ntawm qhov kub, pab tustxoj kev yus taug kev saum tiv taudeformation.
• Ua kom zoo dua rau kev qaug zog tawg:Rov qab ua tsheb thauj khoom tuaj yeem ua rau qaug zogtawg plebhauvAsphalt pavi, tshwj xeeb yog nws muaj hnub nyoog.Hloov Kho Binderstxhim kho cov asphalt qhov yooj thiab muaj peev xwm rov qab los ntawm kev ntxhov siab, tseem ceeb ncua qhov pib ntawm kev qaug zogtawg pleb.
• Txhim kho kev tiv thaiv kom cua tawg:Hauv huab cua txias, asphalt ntawv cog lus. Yog tias qhov kev ntxhov siab no ntau tshaj li cov phau ntawv muaj zog tensile,Kev tawg rog thermaltshwm sim.Hloov kho cov qauvtuaj yeem txhim kho lubtsawg-kubhloov pauv ntawm lubAsphalt Binder, ua rau nws tsis tshua muaj peev xwm rau hom ntawm nokev tuag nyuaj.
• Txo cov dej noo noo:Dej tuaj yeem ua kom tsis muaj zog ntawm daim ntawv cog lus nruab nrab ntawmAsphalt BinderThiab tusua aggregate, ua rau stripping (txoj cai) Thiab ntxov ntxovtxoj kev yus taug kev saumtsis ua hauj lwm. Ib copolymer hloov Equaltsnthuav tawm zoo duakua nplaumcov khoom thiab yog tsawg dua permeable raudej, txhim kho tag nrhoyam ruaj khov.
• Ntev lub taub txoj hauj lwm lub neej:Los ntawm kev sib cav sib luag zoo li rutting thiabtawg pleb, polymer hloov asphalttuaj yeem nthuav dav lub luag haujlwmKev Pabcuam Lub Neejntawm atxoj kev yus taug kev saum, ua kom qis dua lub neej-kev rov ua duaCov nqi thiab txo qis yuav tsum muaj rau ntau zausTu nqi.

Cov kev txhim kho txhais tau li notxoj kev uanrogPaj Ntawvtuaj yeem ua cov kev mob nruj dua thiab kav ntev dua, muab cov khoom txuag nyiaj ntev ntev txawm tias muaj peev xwm ua tau cov nqi pib dua. Raws li ib tug neeg soadcing cov ntaub ntawv, kom ntseeg tau ntev thiab txo cov mob taub hau tom ntej rau koj cov neeg siv khoom lag luam (zoo li cov khoom siv tsim khoom) yog qhov tseem ceeb ntxiv.

3. Dab tsi yog hom kev ua haujlwm polymer siv hauv asphalt?

Lub ntiaj teb ntawmAsphalt Hloov Khosiv ntau hompolymers, txhua tus muab cov yam ntxwv sib txawv rau qhov kawgAsphalt BinderCov. Qhov kev xaiv ntawmhloov khonyob ntawm cov kev ua tau zoo tshwj xeeb uas yuav tsum tau ua tiav, huab cua tej kev xwm yeem,Lub Tsheb Thauj Khoom, thiab kev txiav txim siab them nqi. Ua lub Hoobkas zoo li peb tau, peb ua haujlwm nrog ntau yam tshwj xeeb kom tau raws li cov kev xav tau thoob ntiaj teb, los ntawm Asmeskas mus rau Tebchaws Europe thiab Australia.

Qee qhov feem ntaupolymerhloov kho cov qauvsiv lawm:

• Styrene-Butadiene-Styrene (SBS):Qhov no yog kab tias qhov feem ntau sivpolymer hloov kho. Tus ntsesyog ib tug thermoplastic elastomer, lub ntsiab lus nws coj zoo li roj hmab ntawm kev pabcuam kub tab sis tuaj yeem ua tiav zoo li ayasthaum ntau dua kub. Nws tsim lub network nyob rau hauvAsphalt Binder, yooj yim txhim kho elasticity, hloov tau (tshwj xeeb tshaj yog thaumtsawg kub), thiab tiv taus ob lub rutting thiab qaug zogtawg pleb. Tus ntsestuaj yeem tawm los yogntau ntsiasnyob rau hauv nwsmolecularqauv.
• Ethylene vinyl acetate (eva): Yuyog ib tug thermoplasticpolymer(ib plastomer). Nws feem ntau nce lub ntsws thiabviscosityntawm lubAsphalt Binder, txhim kho nws txoj kev tiv taus mus rutting ntawmKev kub siabtej yam kev mob. Thaum nws txhim kho qhov kev ua tau zoo-kub, nws cov nyhuv rautsawg-kubhloov pauv tej zaum yuav tsawg tshaj tawmpiv rau cov paelastomers zoo liTus ntsesCov. TusVinyl acetateCov ntsiab lus cuam tshuam nws lub zog.
• Restive Elastomeric Terpolymers (E.G., Elvaloy ™ Ret):Cov no yog qib siabhloov kho cov qauvtsim los tawm tsam cov tshuaj nrog covAsphalt Binder. Elvaloy ™ Ret, tsim los ntawmDow Inc., yog ib qho piv txwv ua piv txwv. Cov tshuaj lom neeg no tsim kev ruaj khov, ruaj khovpolymerNetwork nyob rau hauv asphalt, muab elasticity zoo, high-kub ruaj khov (Thermal ruaj khov),Txias-Kubkev ua tau zoo, thiab kev cia khoom ruaj khov. Peb yuav tham txogElvaloy ™ RetHauv kev nthuav dav ntxiv tom qab.
• Lwm yam hloov kho tshiab:
  • Roj Hmab:Muab tau los ntawm cov log tsheb khawb,Roj Hmabyog siv los txhim kho elasticity thiab rut tsis kam. Nws siv kuj txhawb nqaubno.
  • Polyethylene (PE):Muaj ntau hom PE tuaj yeem siv, feem ntau ua kom muaj zog. Qee zaum,rov qab ua kom qhuavyog koom nrog.
  • Polyphosphoric acid (ppa):Thaum tsis yog apolymer, PPA qee zaum siv, feem ntau ua ke nrog cov polymers, kom nce cov kev kub kub siab (PgQib kawm) ntawm phau ntawv.

Nkag siab cov hom no sib txawvkev hloovPab ua kom pom cov khoom lag luam zoo rau cov ntawv thov tshwj xeeb, txawm hais tias nws yog rau txoj kev lag luam loj hauv North America lossis txoj kev hauv cheeb tsam. NyiasHom kev hloov khoMuab cov cim sib npaug tshwj xeeb ntawm cov khoom.

4. Yuav ua li cas ua asphalt hloov asphalt tau hloov kho li cas?

Wb dive ntxaum rau hauvli casntxivpolymerstxhais ua txoj kev zoo dua. Cov khawv koob tshwm sim ntawm micro-qib, hloov covCov Khoom Siv Lub Cevthiab rheological tus cwj pwm (yuav ua li cas nws ntws thiab deforms) ntawm covAsphalt BinderCov. Qhov no ua kom zoo dua binder ces tsim kom muaj zog duaasphalt sib tovThaum ua ke nrogua aggregate.

Xav txog cov yeeb ncuab tseem ceeb ntawmAsphalt pavi: Cov tsheb loj, hnyav heev, dej, thiab sijhawm.Polymer hloov asphaltTackles cov taub hau no:

• Sib ntaus sib tua deformation (rutting):NtawmKev Kub Siab, Txheem asphalt soft. TuspolymerNetwork nyob rau hauvPaj NtawvCov Tub Txib ib yam li kev txhawb nqa lub cev pob txha, nce cov binder lub zog txhav txhav thiab rov qab zoo. Thaum lub tsheb log tsheb hla dhau, tustxoj kev yus taug kev saumdeforms me ntsis tab sis bounces rov qab ntau dua zoo dua, cuam tshuam rau kev tawm suab muaj zog tas li yog rutting (lub faiv pob). Qhov no yog qhov tseem ceeb rau txoj kev uas muaj siabLub Tsheb Thauj Khoomcertumes lossis qeeb-txav tsheb hnyav.
• Kev tawm tsam nkees tawg:Xav txog dabtsi yog khoov rau daim ntawv rov qab thiab tawm - thaum kawg, nws tawg.Asphalt pavikev paub zoo sib xwsmus ib ncignyob rau hauv tsheb.PolymersTxhim kho lub binder txoj kev hloov pauv thiab muaj peev xwm kom ncab yam tsis tau tawg, ua tau qhov tseem ceeb ua rau nws lub neej qaug zog. Qhov no txhais tau tias yogtxoj kev yus taug kev saumtuaj yeem ua kom tau ntau yam kev thauj khoom ntau duamus ib ncigua ntejqaug zog tawgpib tshwm sim, txuas nws lub neej muaj txiaj ntsig zoo.
• Tiv thaiv kev tawg thermal:Thaum temperatures plummet, asphalt ntawv cog lus thiab ua nkig. Yog tias qhov kev cog lus ntxhov siab dhau lawm, nws ua rautsawg-kublossisKev tawg rog thermal. Kev Hloov Kho Polymer, tshwj xeeb nrog elastomers nyiamTus ntseslossis reactive polymers zoo liElvaloy ™ Ret, txhim kho cov binder lub peev xwm los nyob twj ywm hloov tau ntawmTxias-Kubextremes, txo qhov kev pheej hmoo ntawm cov kev puas tsuaj notawgCov. Qhov no yog qhov tseem ceeb rau cov cheeb tsam uas tau ntsib cov warsh winters.
• Txo cov kev puas tsuaj noo (stripping): Polymerstuaj yeem txhim kho lubkua nplaumnruab nrab ntawmAsphalt BinderThiab tusua aggregatento. Lub zog ua kom muaj zog txhais tau tias yog dej tsis tshua nkag mus thiab tsis muaj zog ntawm lub interface, txheej txheem hu ua stripping. Qhov kev txhim kho nodejKev ua haujlwm cuam tshuam nrog cov zuag qhia tag nrhoyam ruaj khovthiab thiav ntawm lubAsphalt paviCov. Zoo duakua nplaumKhaws lubyam sib xyawlawm.

Yeej tseem ceeb, tusKev ua tau zoo ntawm kev hloov khoasphalt yog superior vim tias tuspolymerNetwork hauv nruab siab hloov pauv li cas cov binder teb rau kev ntxhov siab thiab ib puag ncig cov ntsiab lus, uas ua rau muaj kev sib zog ua kom nruj duatxoj kev yus taug kev saumqauv. Qhov chaw nyob ncaj qha kev txhawj xeeb txog kev ua tiav lub tsev ntev thiabTu nqi.

5. Puas tuaj yeem hloov kho cov aspalts txoj hauv kev rau kev tsim kho kom muaj kev txhim kho?

Kiag li. Thaum lub sijhawm pibAsphalt Hloov Khoyog purely ntawm kev ua tiav ua tiav, lub txiaj ntsig cov txiaj ntsig raws li kev loj hlob ntxivnyob cuagCov teeb meem kev daws teeb meem. Markson, cuam tshuam nrog ntau yam lag luam, nkag siab txog qhov tseem ceeb ntawm kev txiav txim siab ib puag ncig thiab cov nqi ntev.

Ntawm no yog li cashloov asphaltUa rau muaj kev ruaj khov:

1. Ntev kev pavation lub neej:Qhov no yog kab tias qhov tseem ceeb tshaj plaws.Txoj kev uanrogPaj NtawvTsuas yog nyob ntev. Los ntawm kev ncua covKev Pabcuam Lub Neejntawmtxoj kev yus taug kev saum, peb txo cov zaus ntawm kev kho kom rov zoo thiab rov tsim kho. Qhov no txhais tau tias kev siv cov ntaub ntawv tsawg dua (sib sau ua ke), siv lub zog tsawg dua rau kev tsim khoom thiab ua rau muaj kev cuam tshuam tsawg dua ntawm covkev pavement lublub neejkev rov ua dua.
2. Txo Kev Tu:Txhim kho kev tiv thaiv kom ntxhov siab zoo li rutting,tawg pleb, thiab stripping txhais tau tias tsawg dua xav tau kev uaTu nqiZoo li kev tawg qoob loo thiab kev sib txawv. Luv txij nkawm txhais cov khoom siv qis dua, tsawg dua cov roj los ntawm kev tsim cov neeg pab pawg, thiab kev nyab xeeb kev nyab xeeb tshaj nrog cov chaw ua haujlwm.
3. Muaj peev xwm rau cov pavinin yooj yim:Hauv qee kis, cov txheej txheem zoo dua ntawmpolymer hloov asphalt mixturestej zaum yuav tso cai rau me ntsis thinnertxoj kev yus taug kev saumTsim thaum tseem ua tiav covxav tau kev ua tau zoothiabKev Pabcuam Lub NeejCov. Qhov no ncaj qha txo cov ntim ntawm cov ntaub ntawv yuav tsum tau ua.
4. Teeb tsa cov khoom siv rov ua dua tshiab:Cov thev naus laus zis tom qabhloov asphaltyog nce tuaj qhia los pab txhawb kev sivrov qab ua kom qhuav (kev rov siv dua tshiab) HauvAsphalt MixturesCov. Thaum cov nyom sib tw nyob rau hauv kev sib tw nyob rau hauv kev sib thooj thiab kev ua haujlwm ntev, cov qauv hloov kho tau muaj peev xwm pab tau kev pabrov qab ua kom qhuavTsis pub dhau Asphalt Matrix, muab cov hluav taws xob muaj peev xwm rau cov khib nyiab yas. Thev naus laus zis zoo liElvaloy ™ RetTau raug tshuaj xyuas rau lawv lub peev xwm ua haujlwm nrog lwm cov tib yam, muaj peev xwm suav nrog cov khoom siv rov ua dua tshiab.

Thaum lubRefining Txheej Txheemrau asphalt thiab kev tsim covpolymerslawv tus kheej muaj ib puag ncig hneev taw, ncua lub neej thiab txo cov kev tu xyuas tau los ntawmPaj Ntawvtsim cov lus sib cav muaj zog rau nws lub luag haujlwm hauv ntaunyob cuag Asphalt pavingkev coj ua. Lub ntsiab lus ua haujlwm los ntawm kev cuam tshuam thawj rau tag nrho lub neejkev rov ua duaKev ua tau zoo thiab kev siv tau noj. Qhov kev xav tau ntev ntev yog qhov tseem ceeb rau kev npaj phiaj xwm thiab kev nqis peev.

6. Tsom taws rau kev hloov pauv: Dab tsi yog Elvaloy ™ ret thiab vim li cas nws tseem ceeb?

Ntawm ntau yampolymerModifiers muaj,Elvaloy ™ Ret(Reactive elastomeric terpolymer) los ntawmDow Inc.sawv cev rau cov thev naus laus zis tseem ceeb hauvAsphalt Hloov KhoCov. Nws tsis yog ib lub cev yooj yim xwbsib dos; Nws yog tsim raukev paujChemically nrog lubAsphalt BinderCov. Qhov kev siv dag no tau teeb tsa nws sib nrug thiab muaj cov zoo sib txawv uas muaj feem cuam tshuam rau kev ua tiav qib siab,Ntev ntevkev tsim txom.

Dab tsi uaElvaloy ™ RetTshwj?

• Tshuaj lom neeg koom tes:Tsis zoo liTus ntses, uas tsim lub cev network,Elvaloy ™ Retmuaj cov pab pawg ua haujlwm uas ua rau kev sib tw uas muaj cov lwg me me hauv lubAsphalt BinderCov. Qhov no tsim kom muaj kev ruaj khov, ruaj khov, peb seempolymerNetwork thoob plaws ntawm cov asphalt.
• Txhim kho elasticity thiab toughness:Lub txiaj ntsigpolymer hloov asphaltCov khoom ua pov thawj zoo tshiab rov qab los ntawm ntau qhov ntau. Qhov no txhais tau tias zoo dua kev tiv thaiv mus rutting ntawmKev Kub Siabthiab txhim kho kom yooj yim kom tiv thaivtawg plebntawmtsawg kub.
• Kev ntim khoom ruaj khov:Ib qho kev sib tw nrog qeeHloov Equalts, tshwj xeebTus ntses-modified sawv daws, tuaj yeem yog theem sib cais thaum lub sijhawm kub muag. Tshuaj lom neeg ua tiav nrogElvaloy ™ Retua rau muaj qhov ruaj khov khovyam sib xyawuas tiv thaiv kev sib cais, piv kom yooj yim logistics thiab tuav rauAsphalt pavingCov neeg cog lus. Qhov chaw nyob ncaj qha uas muaj peev xwm mob lub ntsiab lus ntsig txog cov ntaub ntawv sib xws.
• Yooj yim ntawm kev ua: Elvaloy ™ Retyog muab tso rau hauv daim ntawv pellet dawb-ntws tawm, ua rau nws yooj yim rau kev lis thiab sib xyaw ua ke rau hauvAsphalt Binder.
• Versatility: Elvaloy ™ Rettau ua pov thawj ua tau zoo nyob rau hauv ntau yam kev siv, los ntawm kev xav tau txoj kev lojkev puarau airfield surfacing. Nws pab ua kom tiav siab duaPg(Kev Kawm Qib Kawm) Binders uas yuav tsum tau los ntawm cov lus qhia zoo liTus superepave.

Kev txhim kho ntawm reactive modifiers zoo liElvaloy ™ Retshowcases kev hloov pauv tshiab hauv kev tshav pob. Rau cov neeg xa khoom zoo li peb, muab cov khoom hloov kho nrog qib siabpolymersnyiamElvaloy ™ Reflective Elastomericterpolymers tso cai rau peb kom tau raws li cov kev xav tau ua tau zoo ntxiv uas yuav tsum tau ua ntawm cov phiaj xwm hauvU.S., Europe, thiab dhau ntawd. Nws sawv cev rau tus hwmkev hloovkev xaiv rau kev ua tiav saum-tiertxoj kev yus taug kev saumkev ua tau zoo thiabyam ruaj khovCov. Kev sivElvaloy ™ Retfeem ntau ua rau muaj kev txhim kho tseem ceeb hauv kev tsis kamkev tuag nyuajkev siv tshuab. Qhov tshwj xeeb chemistry ofElvaloy ™ RetMuab cov tshuaj zoo sib xws piv rau kev siv lub cev yooj yim. ThaumElvaloy ™ Retreacts, nws tsim lub network uas entrapsHydrocarbonCheebtsam, txhim kho kev ruaj ntseg tag nrho.

7. Qhov zoo thiab muaj txiaj ntsig ntawm polymer hloov asphalt ua kom zoo nkauj?

Markson Qhov kev txhawj xeeb txog kev tshuaj ntsuam kev ua haujlwm zoo thiab muaj ntawv pov thawj yog siv tau, tshwj xeeb tshaj yog thaum cov khoom siv thoob ntiaj teb. Ua kom muaj qhov ua tau zoo thiab muaj txiaj ntsig ntawmpolymer hloov asphaltyog qhov tseem ceeb rau kev ua tiavxav tau kev ua tau zooThaum kawgtxoj kev yus taug kev saumCov. Qhov no cuam tshuam nrog kev sim ruaj khov thiab ua raws li cov qauv hauv kev tsim khoom thiab cov txheej txheem kev pab. Raws li lub Hoobkas nrog ntau cov kab ntau lawm thiab cov kev tau xa tawm hauv ntiaj teb, peb nkag siab cov cai no ua kom tob tob.

Qhov tseem ceeb ntawm kev paub tseeb muaj xws li:

• Cov Ntawv Qhia Tshwj Xeeb thiab Kev Kuaj: Hloov asphalt bindersfeem ntau tau qhab nia siv cov tshuab zoo li tusTus superepaveXyaum Ua Ntej (Pgsystem system. Cov kab ke no coj tus cim rau phau ntawv sau raws li nws cov kev ua tau zoo hauv kev sib raug zoo rau huab cua (piv txwv li,Pg76-22 qhia txog phau ntawv uas haum rau qhov kub siab tshaj plaws ntawm 76 ° C thiab tsawg kawg ntawm -22 ° C). Txheem kev ntsuas ntsuas cov yam ntxwv zoo li:
  • Viscosity:Yuav ua li cas cov phau ntawv ntab ntws ntawm qhov kub (cuam tshuam rau kev sib xyaw thiab kev sib dhos).
  • Dynamic rheam rheideter (DSR):Kev ntsuas txhav txhav thiab elasticity ntawm nruab nrab thiabKev Kub Siab(cuam tshuam rau rutting thiab qaug zogtawg pleb).
  • Dabtsi yog khoov sho rheometer (bbr):Ntsuas txhav txhavtsawg kub(cuam tshuam rauKev tawg rog thermal).
  • Direct Tension Tester (DTT):Kev ntsuastsawg-kubductility (kuj cuam tshuam rauKev tawg rog thermal).
  • Yooj yim rov qab:Kev ntsuas lub peev xwm ntawm phau ntawv binder "bounce rov qab" tom qab tau ncab.
  • Softening taw tes:Qhia txog qhov ntsuas kub uas asphalt mus txog ib theem ntawm kev softness.
  • Penetration:Kev ntsuas ib txwm muaj ntawm hardness / sib txawv ntawm tus qauv kub.
• Kev hloov kho tau sib xws thiab tawg:Nws yog qhov tseem ceeb uas tuspolymer hloov khoyog sib xws nrog lubLuj asphaltthiab yog dispersed kom zoo thoob plaws hauv phau ntawv. Pluagkev sib caistuaj yeem ua rau cov khoom lag luam tsis sib xws thiab cov kev ua tiav. Cov tswv yim xws li fluorescencehoob metuaj yeem siv rau visually check lubpolymerCov qauv network hauv lubhloov asphaltCov. Yeejkev sib caisyog tus yuam sij.
• Cov Txheej Txheem Txheej Txheem Tswj:Cov tuam txhab yuav tsum tswj cov kev tswj kom nruj dua kev sib xyaw kub, nws lub sijhawm sib xyaw, thiabhloov khoNtxiv cov nqi los xyuas kom cov khoom lag luam zoo sib xws tom qab batch.
• Muaj ntawv pov thawj:Cov neeg xa khoom tau muab ntawv pov thawj uas tau lees paub tias lawv cov khoom ua tau raws li cov lus qhia tshwj xeeb (E.G., AASTM, ASTM, lossis cov kev cai tshwj xeeb). Tuaj koom rau ISO cov qauv rau kev tswj hwm tau zoo kuj yog qhov ntsuas tau zoo. Qhov kev txhawj xeeb txog kev txhawj xeeb txog kev foob daim ntawv foob yuav tsum muaj kev mob siab thiab ua haujlwm nrog tsim, cov khoom xa khoom pob tshab.
• Sib tov tsim thiab kuaj:Tshaj dhau ntawm cov phau ntawv, zaum kawgasphalt sib tov(binder +ua aggregate) Yuav tsum tau tsim qauv thiab kuaj (piv txwv li, siv marshall lossisTus superepavegyratory contraction kev kawm) kom nws ntsib Volumetric thiab kev ua tau zoo cov txheej txheem zoo li rutting thiabYoov Spincitility. Test cov seemfeem ntau siv los siv tau kev ua tau zoo hauv cov xwm txheej tiag tiag.

Kev tswj hwm zoo yog cov txheej txheem ntau kauj ruam, tseem ceeb heev rau kom ntseeg tau tias cov khoom ua kom zoo dua los ntawmpolymer hloov asphaltyog tau xa rau ntawmkev tsheb.

8. Kev mus ncig ntawm txoj kev ua ntej: Puas muaj cov kev sib tw hauv kev siv cov aspalts hloov?

Thaumpolymer hloov asphaltMuaj cov txiaj ntsig tseem ceeb, nws ncaj ncees kom lees paub tias cov neeg muaj kev sib tw uas cov neeg siv thiab cov neeg tsim khoom tuaj ntsib. Nkag siab txog cov no yuav pab hauv kev npaj thiab ntsuas qhov teeb meem muaj peev xwm.

• Ntau dua tus nqi pib: Polymer Modifiersthiab cov kev ua ntxiv yuav tsum tau uaPaj Ntawvkim dua li cov paAsphalt BinderCov. Tus nqi upfront no yuav tsum tau ntsuas tawm tsam cov txiaj ntsig ntev ntawm kev ncuaKev Pabcuam Lub Neejthiab txoTu nqiCov. Ib lub neej-kev rov ua duaTus nqi tshuaj xyuas feem ntau ua rau pom tus nqi ntawm tus nqi ntawm cov nqi, tab sis thawj zaug kev siv nyiaj txiag yog ib qho tseem ceeb.
• Tuav thiab cia:Ib coHloov Equalts, tshwj xeeb yog cov uas muaj siabpolymerntau yam lossis qee hom zoo liTus ntses, tej zaum yuav kom ntau dua kev sib xyaw thiab cov kev sib tw kub piv rauyam tsis muaj qhovasphalt. Kev tso cov khoom ruaj khov kuj tseem tuaj yeem muaj kev txhawj xeeb, xav tau kev ntxhov siab kom tiv thaiv theem sib cais (txawm tias hloov khoElvaloy ™ RetKev kov yeej ntau dhau no).
• Teeb meem muaj pes tsawg:Tsis yog txhua tuspolymerstau tshaj txhua yampuag ncig ascaltsCov. Lub chemistry ntawm lubLuj asphalt, cuam tshuam los ntawm cov roj av roj thiabRefining Txheej Txheem, tuaj yeem cuam tshuam tau zoo npaum li caspolymerdisperses thiab ua. Kev xeem feem ntau yuav tsum tau ua kom muaj kev sib raug zoo.
• Xav tau kev tshaj lij:Tsim nyog ntau lawm, tuav, thiab daim ntawv thov ntawmPaj NtawvYuav tsum muaj kev nkag siab zoo ntawm cov khoom siv cov khoom. Cov neeg ua haujlwm cog lus thiab cov neeg ua haujlwm txawj xav tau kev cob qhia tsim nyog thiab kev paub los xyuas kom covtxoj kev yus taug kev saumyog tsim kom raug kom ua tiav qhovxav tau kev ua tau zooCov. Qhov chaw nyob hauv no cim Phau Ntawv Teev Npe hais txog qhov tsis muaj kev txawj ntse ntawm kev paub txog kev paub ntxiv yuav tsum tseem ceeb dua.
• Tswjhwm Zoo:Cov txiaj ntsig kev ua tau zoo yog kev sib txuas ua kom zoo ib yam. Cov chaw no muaj qhov xav tau siab dua ntawm cov khw muag khoom cov txheej txheem tswj kom zoo thiab tus neeg siv kev ntsuas kev ntsuas zoo. Ib qho lapse, zoo li tsis zoohloov kho kev sib cais, tuaj yeem cuam tshuam kev ua tau zoo.

Txawm hais tias cov kev sib tw no, cov ntawv sau thiab cov txiaj ntsig tau pov thawj ntawmpolymer hloov asphalttau ua rau nws qhov dav dav rau cov ntawv thov xav tau. Kev npaj ua ntej, xaiv kev xaivhloov kho cov qauv(zoo liElvaloy ™ RetRau kev ruaj khov), thiab kev sib koom tes nrog cov khoom siv uas tau muaj peev xwm pab tau cov kab mob no muaj peev xwm. Cov kev sib txuas lus meej, kev daws cov cim ntsuas mob, yog qhov tseem ceeb ntawm tus neeg xa khoom thiab cov qhua tuaj noj mov kom ntseeg tau thiab muaj kev sib tw tau to taub.

9. Ua txoj kev xaiv yog: Kuv yuav xaiv li cas qhov zoo tshaj plaws hloov asphalt rau kuv qhov project?

Xaiv txoj caihloov asphalttsis yog ib-qhov loj-haum-txhua qhov kev txiav txim siab. Nws yuav tsum ua tib zoo xav txog ntau yam tshwj xeeb rau txoj haujlwm. Rau ib tug neeg zoo li Markson, Leej twg cov khoom siv rau cov ntawv thov sib xyaw (CEAKE, tab sis nws txoj kev xaiv tau yog qhov tseem ceeb los muab tus nqi.

Ntawm no yog ib qho kev tshwm sim los txiav txim siab:

1. Kev nyab xeeb:Yog tustxoj kev yus taug kev saumNyob hauv thaj chaw nrog cua sov heev, ua viav vias txias? Qhov no dictates qhov yuav tsum tau uaPgqib. Kev xav tau siab kub zoo rut tsis kam (Kev kub siabtxhav), thaum huab cua txias yuav tsum tau zoo heevtsawg-kubhloov pauv tau los tiv thaivKev tawg rog thermal.
2. Tsheb Thauj Khoom:Ntau npaum li cas cov tsheb khiav, thiab hom tsheb hnyav (cov tsheb hnyav, qeeb-txav tsheb), yuav tuskev tshebnqa? Siab duaLub Tsheb Thauj Khoomntim thiab cov khoom hnyav uas tsim nyog yuav tsum tau ua nrog cov nrog zoo dua qub rau rutting thiabqaug zog tawg.
3. Cov kev xav tau kev kawm tshwj xeeb:Puas muaj kev ntxhov siab tshwj xeeb uas koj xav tau los tawm tsam? Piv txwv li, yog qaug zogtawg plebyog thawj qhov kev txhawj xeeb, ib qho elastomerichloov khonyiamTus ntseslossisElvaloy ™ Rettej zaum yuav nyiam dua. Yog tias high-kub ruaj khov yog lub hom phiaj tseem ceeb,YulossisElvaloy ™ Retyuav yog cov kev xaiv tsim nyog.
4. Lub pavement qauv:Tus tsim ntawm tag nrhotxoj kev yus taug kev saumSystem (txheej thickinges, lub hauv paus zoo) cuam tshuam rau kev ntxhov siab ntawm asphalt txheej yuav muaj kev.
5. Muaj Kev Kawm thiab Hauv Nroog:Yog qee homHloov EqualtsNpaj txhij muaj nyob hauv thaj av? Ua cov neeg ua haujlwm hauv zos muaj kev paub ua haujlwm nrog qee yamPaj Ntawvhom? Qee zaum cov kev saib xyuas tswv yim siv tau cuam tshuam nrog kev xaiv.
6. Tus Nqi Them Nyiaj Txiag:Thaum ua tau zoo yog qhov tseem ceeb, tus nqi yog ib txwm yog qhov tseem ceeb. Soj ntsuam tus nqi thawj tus nqi tiv thaiv qhov kev cia siab hauvKev Pabcuam Lub Neejthiab txo nyob rau hauvTu nqiCov. Ib qho txiaj ntsig nce siab dua hauv tus hwmhloov khonyiamElvaloy ™ Rettej zaum yuav raug foob los ntawm lub sijhawm ntev duaPEM PEM PEM PEM PEM PEM PEM PWMnyob rau hauv kev xav tau. TusAsphalt InstantuteMuab cov peev txheej uas tuaj yeem pab txhawb kev ua kom lub voj voog kev ntsuas tus nqi.
7. Cov lus qhia tshwj xeeb:Xyuas kom paubhloov asphaltUa tau raws li tag nrho cov kev qhia tshwj xeeb thiab cov qauv ntsig (piv txwv li, Aashto, Astm, dot yuav tsum tau). Cov kev pab tswv yim cov khoom zoo ib yam li covAsphalt Instantutetuaj yeem muab cov kev taw qhia ntawm kev coj ua zoo tshaj plaws.

Thaum kawg, cov kev xaiv cuam tshuam ntsuas cov kev xav tau ua tau zoo, ib puag ncig cov kev xav tau, kev xav tau tsheb, thiab cov nyiaj txiag. Ua haujlwm ze nrog cov kws kho mob paub, zoo li peb pab neeg ntawm lub hoobkas, uas nkag siab cov khoom ntawm txawvHloov Equalts (zoo li nruab nrab kub urhalt blocklossisXav kub ayphalt), yog qhov tseem ceeb rau kev txiav txim siab paub. Peb tuaj yeem pab cov kev kho mob cov kev daws teeb meem raws li cov kev xav tau, siv zog peb cov kev paub nrog ntau yampolymerHom thiab qib.

10

Thaj teb ntawmAsphalt Hloov Khoyog txuas ntxiv hloov zuj zus, tsav los ntawm qhov kev xav tau rau ntau qhov ruaj khov, raug nqi, thiabnyob cuagkev tsim txom. Ob peb txoj kev zoo siab yog ua kom lub neej yav tom ntej:

• Advanced Polymer Advistry:Kev tshawb fawb tseem niaj hnub uapolymersthiabkev hloovCov tswv yim. Qhov no suav nrog kev txhim kho ntxiv ntawm cov polymers zoo liElvaloy ™ Ret, tshawb txog hybrid tshuab ua ke sib txawvhloov kho cov qauv, thiab kev tsim qauv polymers nrog txawm zoo tsis kam mus rau kev laus (yam tseem fwvlub teeb thiab oxidation) thiabkev tsis haum.
• Nce kev siv cov khoom siv rov ua haujlwm:Kev ruaj khov yog ib tus neeg tsav tsheb loj. Kev tshawb fawb tseem ceeb yog tsom rau kev sib txuas lus ntau dua ntawm cov feem pua ​​ntawmrov qab ua kom qhuav, Roj Hmab(los ntawm cov log tsheb), thiab ua raws li kev ua asphalted asphalt.hloov asphalt sib tovYog tsis muaj kev sib txawv.Hloov kho cov qauvUa si lub luag haujlwm tseem ceeb hauv kev sau cov ntaub ntawv no.
• Bio-Binders:Muaj kev txaus siab zuj zus los tsim cov khoom siv asphalt derated ib nrab lossis rio-roj, lignin los ntawm ntoo, thiab lwm yam) raws li kev hloov pauv roj avxi mees. Kev hloovCov tswv yim yuav hloov kho rau cov hom tshiab ntawm cov hlua khi no.
• Nanotechnology:Cov kws tshawb nrhiav tau tshawb nrhiav kev siv Nanomaterials (xws li Nanoclay lossis carbon nanotubes) raws li muaj peev xwmAsphalt ModifiersYuav kom ua tiav qhov kev ua tau zoo txhim kho txawm tias nyob rau ntawm tus nqi sib ntxiv tsawg heev.
• Sov-Sib tov Asphalt (Wma) thev naus laus zis:Thaum tsis nruj me ntsiskev hloov, WAMA thev naus laus zis pub asphaltmixe(suav nroghloov asphalt) yuav tsum tau tsim thiab muab tso rau ntawm qhov chaw kub qis dua. Qhov no txo ​​tau kev siv hluav taws xob, cov pa roj carbon monissions, thiab foose kis rau cov neeg ua haujlwm, ua raws linyob cuagLub hom phiaj. Feem ntau, WAFA ntxiv tau siv ua ke nrogpolymer hloov binders.
• Kev ua haujlwm-raws li cov lus qhia:Muaj kev ua haujlwm txuas ntxiv ntawm cov kev qhia tshwj xeeb uas txhais tau tiasYuav Tsum Tau Ua Tau Zoo(piv txwv li, tiv taus rutting,tawg pleb) Tsis yog muab rov ua cov zaub mov txawv tshwj xeeb. Qhov no txhawb kom tshiab thiab tso cai rau cov neeg xa khoom siv cov txiaj ntsig zoo tshaj plawskev hloovCov tswv yim (zoo li sivElvaloy ™ Ret) Kom tau raws li cov hom phiaj ua tau zoo.

Raws li cov neeg tsim khoom lag luam tau cog lus rau kev ua haujlwm zoo thiab tsim kho, peb nquag saib xyuas cov ncauj ke no. Lub hom phiaj tseem zoo li qub: los muab cov ntaub ntawv zoo li pebHloov asphaltuas ua kom cov kev tsim kho ntawm txoj kev ntev dua, ua tau zoo dua nyob rau hauv kev ntxhov siab, yuav tsum tau saib xyuas tsawg dua, thiab ua rau muaj ntau duanyob cuagInfrastructure network thoob plaws ntiaj teb. Cov lus ntawmAsphalt Hloov Khoyog deb ntawm ntau dua, cog lus txawm tias cov kev daws teeb meem zoo dua rau covTxoj kevntawm tag kis.

Tseem ceeb takaways kom nco ntsoov:

• Hloov asphalt (PMA):Pab txhawb asphalt berinds nrogpolymerslossis lwm yamhloov kho cov qauvtxhawm rau txhim kho kev ua tau zoo.
• Cov txiaj ntsig loj:Muaj zog ntxiv mus rau rutting, qaug zogtawg pleb, Kev tawg rog thermal, thiabdejkev puas tsuaj, ua kom ntev duaLub Neej Kev Pab Lub Neejthiab qis dua lub neej-kev rov ua duanqi.
• Cov Hloov Qauv Qauv: Tus ntses(Elastomer),Yu(plastomer), thiab kev hloov siab ua reflective polymers zoo liElvaloy ™ Ret. Roj Hmabthiabrov qab ua kom qhuavtseem siv.
• Kev Ua Haujlwm Txhim Kho: Polymerstsim lub network txhawb nqa hauv asphalt, txhim kho nws cov tawv nqaij ntawmKev Kub Siabthiab hloov pauv ntawmtsawg kub.
• Kev Ua Neeg Muaj Peev Xwm: Paj Ntawvua rau muaj kev ruaj khov mus ntev duaPEM PEM PEM PEM PEM PEM PEM PWM, txo tus txij nkawm, thiab muaj peev xwm rau kev sib xyawrov qab sivCov ntaub ntawv.
• Zoo yog qhov tseem ceeb:Kev sim nruj (Pgkev muab qhab nia, DSR, BBR), txheej txheem tswj, thiab kom tsim nyogKev hloov kho hloov khoyog qhov tseem ceeb rau kev ua tau zoo ib yam.
• Xaiv cov ntsiab lus:Kev xaiv ntawmPaj Ntawvnyob ntawm kev nyab xeeb,Lub Tsheb Thauj Khoom, Cov kev xav tau tshwj xeeb xav tau, tus nqi, thiab cov ntsiab lus hauv zos. Kev koom tes nrog cov kws paub txog cov neeg paub yog qhov tseem ceeb.
• Yav Tom Ntej:Tsom rau siab heev polymers, nce rov qab rov qab, bio-binders, nanotechnology, thiab kev ua haujlwm tshwj xeeb.

Los ntawm kev nkag siab thiab sivpolymer hloov asphalt, Cov neeg muaj feem xyuam xws li Malompson thiab cov kev lag luam lawv ua haujlwm tau zoo dua, ntau dua kev rov ua dua, thiab ntau duanyob cuaginfrastructure rau yav tom ntej.