Sɛptɛmba 15, 2021
Di tropik klaymat na Sawt Is Eshia de prɛzɛnt sɔm pan di prɔblɛm dɛn we rili tranga fɔ mek asfalt rod. Dis atikul de chɛk aw asfalt rijuveneshɔn de ɛkstɛnd di pawaful layf ɔnda dɛn kɔndishɔn ya.
Di tropik klaymat na Sawt Is Eshia — di tɛmpracha we kin kam ɛvri ia na 25-30°C, ren kin kam ɛvri ia 1,500-3,000 mm, ɛn di rilitiv humiditi we na 75-90% — de prɛzɛnt sɔm pan di chalenj dɛn we rili dimand fɔ asfalt pevmɛnt ɔlsay na di wɔl. Dɛn tri prɔblɛm dɛn ya kin sho se dɛn de kam biɛn ya. Fɔs, sɔstayn ɔt — asfalt pevmɛnt sɔfays tɛmpracha kin rich 60-70°C insay sɔm, fa ɔp di sɔftin pɔynt fɔ bitumɛn, we kin mek rutin — lɔnjitudinal grov difɔmeshɔn — ɔnda ebi trafik. Sɛkɔn, ebi ebi ren — big big briz we kin kam fɔ shɔt tɛm (bɔku siti dɛm na Sawt Is Eshia kin gɛt 50-100 mm ren fɔ wan awa) kin mek pɔnd na di rod, ɛn wata kin go insay di bitumɛn-agrɛgat intafɛs ɔnda lod, we kin mek wata pwɛl — we inklud pɔt, strip, ɛn agrɛgrɛt lɔs. tכd, hכy humiditi εn UV rεdyushכn — hכy tεmprachכ εn humiditi de aksεlεrayt כksidεtiv εj fכ bitumεn, we di intens tropik UV rεdyushכn de fכs protεkt fכto-oksidativ dεgradashכn fכ layt frakshכn dεm na di bitumεn. Dɛn tri chalenj ya togɛda min se di dizayn layf fɔ asfalt pevmɛnt na Sawt Is Eshia tipikli na 60-70% nɔmɔ pan di wan we de na say dɛn we kol, we di badjɛt fɔ mentenɛns kin smɔl.
Rutting na di mɔs kɔmɔn ɛn ikɔnomik impakful distres pan Sawt Is Eshia asfalt pevmɛnt. Ɔnda sɔstayn ɔt, di bitumɛn viskɔsiti de dɔŋ ɛn di pevmɛnt de ɔnda plastic difɔmeshɔn ɔnda ripit ebi-trafik lod (trak, bɔs), we de mek lɔnjitudinal dipreshɔn na di wil pat dɛn. di bad tin we di rut kin du na mכlti-layεr: fכs, sef — we di rut dip pas 15 mm, motoka kin veer כ lכs kכntrכl we i de spid; sɛkɔn, drenaj fayl — wata we de pul na rut de mek di risk fɔ haydroplanin bɔku we ren de kam; tכd, strכkchכral dεmεj — kכntinyu plastic difכmeshכn de aksεlεrayt fεtig fεil fכ di bays kכs. Di tradishɔnal rispɔns na fɔ yuz ay-viskɔsiti ɔ modifyed bitumɛn (lɛk SBS modifyed bitumɛn), bɔt ɔl tu di opshɔn dɛn de mek di matirial kɔst go ɔp. di rijuvenator frכm FangService, tru di ‘modification’ fכnshכn insay in 3-in-1 sistεm, de fכm wan tri-dimεnshכnal kכros-link nεtwכk afta rijeneshכn, we de εlevεt di εlastik rεkכvri fכ rijuvεnεt bitumεn to ova 85% fכ vεrjin bitumεn we i de mεnten lכw miksin tεmprachכ. Dis min se ɔnda Sawt Is Eshia ɔt kɔndishɔn, di rutin rɛsistɛns fɔ rijuvenated asfalt miksɔp nɔ smɔl pas kɔvɛnshɔnal ɔt-miks miksɔp, we di kɔst de 25-40% smɔl.
Wata damej na di sɛkɔn big prɔblɛm we de pan Sawt Is Eshia asfalt pawa, ɛn in divɛlɔpmɛnt na chen riakshɔn. Step wan, wata infiltreshɔn — ɔnda ebi ebi ren kɔndishɔn, pɔnd wata de go insay di pevmɛnt strɔkchɔ tru di ay voyd dɛm na di asfalt miksɔp (tipikli 4-6%). Step tu, intafeys dibonding — כnda lod, wata de fכm haydrostatik prεshכn na di bitumεn-agrεgεt intafεys, sכmtεm de dכn di bond bitwin di bitumεn film εn di agrεgεt sεf. Step tri, agregεt lכs — afta di bond fεil, agrεgεt patikyula dεm de kכri go bay wil lod, fכm pɔt. Step fo, pothole expansion — wata we de na potholes de erode di pavement we de rawnd am mo, fom big big distressed areas. di rijuvenator frכm FangService de strכng di bond na di bitumεn-aggregεt intafεys tru di tri-dimεnshכnal kכros-link nεtwכk, we de sכmtεm delay di biginin fכ wata damej. Di data we dɛn mɛzhɔ sho se di ritɛn trɛnk rɛshɔn fɔ di rijuvenated asfalt miksɔp (strɛng afta 7-de wata imɛshɔn vs. dray trɛnk) na 15-20% ay pas di wan fɔ kɔvɛnshɔnal ɔt-miks miksɔp.
Sawt Is Eshia kɔntri dɛn de na difrɛn stej dɛn fɔ RAP risaykul divɛlɔpmɛnt. Fɔs taya — Singapɔ ɛn Malezya: wit kɔmplit RAP gred stɔrɔj sistɛm ɛn risaykul tɛknikal standad, RAP kɔntinyu kin rich 40-60%. Di Land Transpɔt Ɔtoriti (LTA) na Singapɔ se ɔl di big big aywe prɔjek dɛn fɔ ebul fɔ no if i pɔsibul fɔ mek dɛn yuz di tin dɛn we dɛn dɔn yuz fɔ risaykul. Sɛkɔn taya — Tayland, Vietnam, Indonishia: RAP risaykul de bɔt gredin nɔ kɔmplit, ɛn risaykul kɔntinyu na 20-30%. Tɔd taya — Mianma, Kambodya, Laos: RAP risaykul na lɛk ziro, wit di men tin dɛn we de ambɔg na di lɔk fɔ skrinin ikwipmɛnt ɛn tɛnki standad. I nɔ mata us taya wan kɔntri de, dɛn kin yuz di rijuvenatɔ frɔm FangService dairekt wan — likwid kɔnsɛntret, we dɛn kin pɔmp tru di aditiv sistɛm dɛn we dɔn de, we nɔ nid spɛshal ikwipmɛnt. Fɔ di tɔd-taya kɔntri dɛn, dis min se dɛn kin skip di tɛknɔlɔjik ɛvolushɔn we divɛlɔp kɔntri dɛn bin go tru — frɔm dilushɔn ɔyl to mɔlikul rijinereshɔn — ɛn adopt sɛkɔn-jɛnɛreshɔn mɔlikul rijinereshɔn tɛknɔlɔji dairekt wan.
Insay wan Tayland ɛkspɛs-we rihabiliteshɔn projɛkt, di injinɛri dipatmɛnt bin mek wan 60% RAP rijinereshɔn tɛst sɛkshɔn fɔ paralel kɔmpiashɔn wit wan kɔvɛnshɔnal ɔt-miks sɛkshɔn. Ki data: fɔs, RAP sɔs na bin asfalt pevmɛnt frɔm 15 ia bifo, wit bitumɛn kɔntinyu we na lɛk 5.5%, ɛn di ol bitumɛn sɔftin pɔynt bin dɔn go ɔp frɔm di ɔrijinal 48°C to 65°C; sεkכn, di rεjuvεnashכn dכz na bin 8% pan RAP bitumεn mas, εn di pכst-rijuvεnashכn sכftin pכynt fכl bak to 51°C (insay 3°C fכ vεrjin bitumεn); tɔd, miks tɛmpracha drɔp frɔm 180°C to 130°C, we ridyus fiul kɔnsɔmshɔn bay lɛk 30%; fɔs, afta tu ren sizin, di sɛkshɔn we dɛn rijenere bin gɛt 40% smɔl pɔt ɛn 30% smɔl rut dip pas di hot-miks sɛkshɔn. Di minin fɔ dis kes na dat i de sho se ɔnda di Sawt Is Eshia tropik klaymat kɔndishɔn, asfalt rijinereshɔn nɔ jɔs de du fayn na di lɛbɔretri bɔt i de tinap bak fɔ di tu tɛst fɔ ɔt ɛn ebi ebi ren na rial rod.
Fɔ di wan dɛn we de bay na Sawt Is Eshia rod prɔjek, fɔ pik asfalt rijuvenatɔ nid spɛshal atɛnshɔn to dɛn tin ya. fכs, hכy-tεmprachכ stεbiliti — di rεjuvεnashכn insεf nכ fכ vכlatilayz כ dεgrεd pasmak pan ay tεmprachכ, εn di flash pכynt fכ hכy inof (di rεjuvεnashכn frכm FangService gεt flash pכynt we na 231°C, fa oba di miks tεmprachכ we na 130-140°C). Sɛkɔn, wata damej rɛsistɛns — dɛn fɔ nid di saplay dɛn fɔ gi imɛs Mashal tɛst ɛn friz-thaw split tɛst data. Tɔd, kɔmpitibliti wit lokal modifyed bitumɛn — SBS modifyed bitumɛn ɛn rɔba bitumɛn dɛn de yuz bɔku bɔku wan ɔlsay na Sawt Is Eshia kɔntri dɛn, ɛn di rijuvenatɔ fɔ kɔmpitabl wit dɛn modifyed bitumɛn ya. Fɔs, sapɔt stebiliti — Sawt Is Eshia prɔjek dɛn kin gɛt tayt schedule, ɛn di saplay in lokal invɛntari ɛn lɔjistik kapasiti na di men tin dɛn we dɛn fɔ tink bɔt. Fayv, tɛknikal sɔpɔt — di spɔlayt in ebul fɔ gi onsayt miks dizayn ɛp ɛn kɔnstrɔkshɔn gayd. Fɔ di Sawt Is Eshia prɔjek dɛm, di valyu fɔ onsayt tɛknikal sɔpɔt bɔku tɛm pas di prɔdak prays sɛf. View the Asphalt Rejuvenator Supplier
Tɛl wi yu prɔjek sɛnɛriɔ ɛn wetin yu nid, ɛn wi go mach di rayt sɔlvishɔn ɛn gi wi kot insay 24 awa.
Gɛt wan Fri Kɔt3-in-1 asfalt rijuvenatɔ (wɔm miks + modifyeshɔn + rijinereshɔn), RAP kɔntinyu >=60% (maksimal 100%), miksin tɛmpracha 120-140°C, taya layf >=85% nyu asfalt, kɔmprɛhɛnsif kɔst 25-40% smɔl. Viskositi 280 mPa·s, flash poynt 231°C, density 0.96 g/cm3, we de insay 25 kg ɔ 1000 kg drɔm. Sɔpɔt kɔstɔmayz fɔmula dɛn pan dimand ɛn gi batch tɛst ripɔt, wit opshɔnal tred tɛm dɛn fɔ EXW/FOB/CIF/DDP.
Lan bɔt asfalt rijinereshɔn ɛjɛn sɛlɛkshɔn ɛn kot →