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TTM Asphalt Plant - Chaw Tsim Khoom Siv Sib Tov thiab Rov Siv Dua Asphalt Txij Li Xyoo 2004.

Cov Kev Pabcuam RAP Recycling Hot Mix Asphalt Plants Yuav Txo Cov Nqi Li Cas Yam Tsis Txo Qhov Zoo?

Puas tau xav paub tias vim li cas ntau lub DOTs thiab cov neeg ua haujlwm paving ntiag tug thiaj li nrhiav "rap recycling hot mix asphalt plants services" thaum 2 teev sawv ntxov? Cov lus teb luv luv yog yooj yim: cov peev nyiaj tsawg zuj zus, cov nqi virgin aggregate nce siab heev, thiab cov ntsuas kev ruaj khov tam sim no tau luam tawm hauv txhua daim ntawv qhia txhua xyoo. Cov lus teb ntev dua - thiab nthuav dua - yog faus rau hauv txoj kev uas cov nroj tsuag niaj hnub no tswj hwm cov asphalt pavement (RAP) yam tsis hloov koj txoj kev caij tsheb mus rau hauv qhov chaw ua koob tsheej.

Ua ntej tshaj, Dab tsi suav tias yog RAP?

RAP tsis yog tsuas yog "cov khoom qub dub" uas koj tsoo tawm ntawm txoj kev loj xwb. Nws yog kev sib xyaw ua ke ntawm cov asphalt binder qub thiab cov aggregates zoo uas tau ua pov thawj tias lawv tuaj yeem nyob tau ntau xyoo ntawm kev tsheb khiav thiab kev khov-thaw. Thaum cov neeg cog lus hais txog kev siv cov asphalt kub sib xyaw ua ke, lawv tab tom tham txog ntau txoj hauv kev - milling, fractionating, sim, sib xyaw, rov ua kom sov, thiab tso - uas ua rau cov kev pov tseg no muaj sia nyob thib ob. Qhov tseeb lom zem: ib mais ntawm txoj kev loj hauv nroog plaub txoj kab tuaj yeem nqa tau kwv yees li 18,000 tons ntawm RAP. Qhov ntawd yog yuav luag 1,200 lub tsheb thauj khoom thov kom muaj lub sijhawm thib ob.

Vim li cas ho maj nrawm mus rau 40%, 50%, lossis txawm tias 100% RAP Mixes?

Cia peb tham txog cov lej uas ua rau cov thawj coj nyiaj txiag luag ntxhi. Tsuas yog cov ntawv sau Virgin xwb thiaj suav txog li 60% ntawm cov nqi khoom siv rau kev sib tov asphalt. Hloov 40% RAP thiab koj tau rho tawm kwv yees li 24% ntawm cov khoom ntawd ua ntej lub tsheb thauj khoom thawj zaug rov qab mus rau lub tshuab paver. Ua li ntawd rau ntawm 100,000-ton interstate rehab thiab peb tab tom tham txog kev txuag nyiaj ntau dua li ib lab daus las. Yog lawm, xya tus lej.

Tiam sis tus nqi tsuas yog ib nrab ntawm zaj dab neeg xwb. Cov koom haum tam sim no tau qhab nia cov neeg twv txiaj los ntawm kev txo cov pa roj carbon dioxide, thiab ntau lub xeev—saib koj, Colorado thiab California—muab kev txo nqi thaum koj ua tiav cov hom phiaj kev ruaj khov. Hauv lus Askiv yooj yim: rov ua dua ntau dua, yeej ntau txoj haujlwm, thiab ua kom koj cov nyiaj tau los ntau ntxiv yam tsis tas siv koj tus cwj mem ntse rau txhua yam khoom twv txiaj.

Sab Hauv Lub Hoobkas: Yuav Ua Li Cas RAP Recycling Cov Chaw Tsim Khoom Siv Asphalt Kub

1. Kev Ua Kom RAP Zoo Thiab Kev Tshuaj Xyuas

Cov khoom me me uas tsis paub yuav txiav tau. Cov kev pabcuam niaj hnub no yuav txiav RAP kom me me—feem ntau yog ½ nti (12.5 hli)—ces mam li lim nws ua ob feem. Cov overs rov qab los rau lwm qhov dhau; cov mids tshaj tawm rau cov thawv txias. Kauj ruam no ib leeg ua rau lub sijhawm ua haujlwm ntawm lub Hoobkas nce 15% thiab tiv thaiv cov lus tsis txaus siab "pa luam yeeb xiav" los ntawm cov neeg zej zog.

2. Kev Qhuav Qhuav Sib Npaug vs. Cov Tshuab Nqus Dej Rov Qab

Cov nruas uas khiav sib luag qub yuav hlawv RAP ntawm qhov kawg ntawm lub cub tawg, ua rau cov binder oxidize thiab ua rau cov khoom sib tov tawg. Cov nroj tsuag tshiab uas khiav rov qab los tsim RAP rau hauv qab, kom deb ntawm cov nplaim taws. Qhov tshwm sim: cov binder qub tseem siv tau, thiab koj cov khoom sib tov rov ua dua tshiab tseem ua rau qhov kub qis tiv taus kev tawg uas koj xav tau, piv txwv li, Minnesota Lub Ob Hlis.

3. Kev Txhaj Tshuaj Virgin Binder "Rejuvenator"

Nov yog qhov zoo kawg nkaus: cov kws ua vaj tse txhaj cov tshuaj kho kom rov qab zoo li qub—qee zaum yog cov roj ua los ntawm cov khoom siv bio-based, qee zaum yog cov roj tsw qab—ntawm 0.3% txog 0.6% ntawm qhov hnyav ntawm cov khoom sib tov. Cov tshuaj no rov ua kom cov asphaltenes thiab maltenes sib npaug, rov qab ua kom cov khoom sib tov rov ua dua tshiab ua haujlwm zoo li 100% daim ntawv qhia tshiab. Xav txog nws zoo li hnub so rau cov asphalt molecules uas nkees.

4. Cov Sensors NIR & Gamma-Kub Tam Sim No

Cov nroj tsuag uas muaj nqis rau lawv cov ntsev tam sim no teeb tsa cov tshuab ntsuas ze-infrared (NIR) saum txoj siv sia thiab cov khoom ntes gamma hauv lub nruas. Cov khoom siv no nyeem cov ntsiab lus ntawm cov ntawv sib txuas, cov dej noo, thiab qhov kub txhua 30 vib nas this, hloov lub rooj vag pub mis thiab roj hlawv. Kev txhais lus: kev sib xyaw ua ke, tsawg dua cov khoom tsis lees paub, thiab tsis muaj kev hu xov tooj thaum 3 teev sawv ntxov los ntawm tus thawj tswj hwm qhov project npau taws.

Cov Ntaub Ntawv Qhia Txog Cov Ntaub Ntawv: Pennsylvania Turnpike 2022 Overlay

Es tsis txhob thauj 62,000 tons ntawm RAP mus rau qhov chaw pov tseg, lub koom haum turnpike tau khawb av, rub rov qab, thiab rov ua dua 94% ntawm nws mus rau hauv ib txheej txheej siab-modulus. Lub chaw muab kev pabcuam rap recycling hot mix asphalt plants tau lees tias muaj lub neej qaug zog 12 xyoo, tab sis kev sim rutting thaum ntxov twb qhia tau tias muaj kev ua tau zoo sib npaug nrog SMA tshiab - ntawm 28% tus nqi qis dua. Cov neeg them se tau txuag tau $ 3.4 lab thiab 3,900 metric tons ntawm CO₂. Tsis phem rau ib hnub ua haujlwm.

Tab sis Cov Sib Xyaws High-RAP Puas Yuav Kav Ntev Tiag?

Kev tsis ntseeg yog qhov zoo. Qhov tseem ceeb yog kev tsim cov khoom sib xyaw ua ke: kev ua tiav ntse sib npaug, kev sib xyaw ua ke kom raug, thiab kev tswj xyuas zoo. Thaum cov thawv ntawd raug cim, National Center for Asphalt Technology (NCAT) cov ntaub ntawv qhia tias 50% RAP sib xyaw tuaj yeem phim qhov kev tiv thaiv rut thiab kev tawg ntawm cov khoom sib xyaw tshiab. Txhais lus: koj txoj kev yuav tsis tawg ua ntej lub voj voog xaiv tsa tom ntej.

Peb Lub Tswv Yim Ceev Ceev rau Cov Neeg Qhia Tshwj Xeeb

  • Txo qhov piv ntawm hmoov av RAP ntawm 1.6 kom tsis txhob muaj cov hmoov sib xyaw uas tawg thaum muaj kev kub ntxhov.
  • Qhov xav tau qib binder virgin binder bump (piv txwv li, PG 64-22 txog PG 58-28) thaum RAP tshaj 30% hauv cov chav kawm nto.
  • Thov kom cov ntaub ntawv gyratory compaction uas tus neeg cog lus muab los ntawm Ninitial, Ndesign, thiab Nmax kom ntes tau cov khoom sib xyaw ua ke thaum ntxov.

Xaiv Qhov Zoo Tshaj Plaws Rap Recycling Hot Mix Asphalt Plants Services Partner

Tsis yog txhua lub tsho uas muaj ob peb lub thoob khib nyiab txias tuaj yeem tuav tau 50% RAP yam tsis tau hloov koj cov khoom sib xyaw ua ib qho barbecue xiav-pa luam yeeb. Nrhiav rau:

  1. Cov Ntaub Ntawv Ua Tau Zoo: Nug txog cov haujlwm DOT yav dhau los uas muaj ≥40% RAP. Yog tias lawv tsis tuaj yeem qhia cov ntaub ntawv QC rov qab tsib xyoos, txuas ntxiv mus.
  2. Cov Khoom Muaj Feem Xyuam: Cov nroj tsuag uas khaws peb lossis ntau dua RAP feem muab rau koj kev tswj hwm nruj dua thiab volumetrics zoo dua.
  3. Lub Tshuab Txhaj Tshuaj Rejuvenator: Cov twj tso kua mis, cov ntsuas dej ntws, thiab cov tank ntsuas tau ua pov thawj tias lawv tsis yog tsuas yog pov cov roj pov tseg rau hauv lub nruas xwb.
  4. Cov Ntawv Tso Cai Ib Puag Ncig: Cov tshuaj oxidizers kub, cov nplhaib ntes pa luam yeeb xiav, thiab cov saib xyuas qhov tsis pom kev tiag tiag ua rau koj nyob rau sab zoo ntawm EPA kev tshuaj xyuas.

Cov Lus Qhia Tseem Ceeb: RAP Recycling Tsis Yog Ib Qho Kev Lom Zem - Nws Yog Kev Txhawb Nqa Nyiaj Txiag Rau Lub Neej

Nruab nrab ntawm cov nqi roj uas hloov pauv sai, kev tsis txaus cov khoom sib xyaw, thiab cov cai ib puag ncig uas nruj zuj zus, cov neeg cog lus uas tsis quav ntsej txog kev siv cov chaw tsim cov asphalt kub sib xyaw ua ke yeej muab txoj haujlwm tom ntej rau cov neeg sib tw ntse dua. Yog li, npaj txhij los ua pov thawj rau koj qhov kev twv tom ntej? Hu rau koj tus neeg tsim qauv sib xyaw ntawm xov tooj, nug cov neeg koom tes hauv cov chaw tsim khoom nrog daim ntawv teev npe saum toj no, thiab saib koj cov nyiaj tau los ib tuj nce thaum koj cov pa roj carbon poob qis. Auj, thiab lub sijhawm tom ntej ib tug neeg qhia koj tias cov asphalt rov ua dua tshiab yog "tus nqi thib ob," tsuas yog luag nyav thiab qhia lawv cov lej Pennsylvania Turnpike. Qhov ntawd feem ntau ua rau lawv tsis xav ua haujlwm sai sai.

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Cov Hom Asphalt Mix Plant Twg Muab Cov ROI Zoo Tshaj Plaws rau Koj Qhov Project?
Yuav ua li cas RAP Recycling Kub Asphalt Mixing Plant Solutions thiaj li txo tau cov nqi yam tsis txo qhov zoo?
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