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

Asphalt Kub Npaum Li Cas Los Ntawm Lub Hoobkas Thiab Vim Li Cas Cov Pab Pawg Paving Yuav Tsum Saib Xyuas?

Qhov Tseeb Uas Ua Rau Lub Ntsuas Kub Tawg: Asphalt Kub Npaum Li Cas Los Ntawm Cov Nroj Tsuag?

Yog tias koj tau sawv ob peb yards ntawm lub tshuab sib tov suab nrov nrov thaum tav su lub caij ntuj sov, koj twb paub cov lus teb yog " kub dua li koj xav ." Feem ntau lub xeev DOT specs xav kom muaj qhov kub sib tov ntawm 275 ° F thiab 325 ° F (135 ° C–163 ° C) ntawm qhov chaw thauj khoom. Hauv lus Askiv yooj yim, qhov ntawd kub txaus kom kib ib daim nqaij nyuj nruab nrab-tsis tshua muaj hauv qab 30 vib nas this. Thiab yog, koj nyeem qhov ntawd yog lawm—275 °F yog qhov tsawg kawg nkaus , tsis yog qhov siab tshaj plaws.

Vim li cas lub nkoj cog ntoo thiaj sib xyaw ua ke kub, txawm li cas los xij?

Cov asphalt cement (cov kua nplaum dub uas tuav cov pob zeb ua ke) muaj qhov sib xws ntawm cov kua qaub txias ntawm chav tsev kub. Yuav kom npog txhua lub pob zeb thiab cov xuab zeb, cov khoom sib txuas yuav tsum yog kua. Kev cua sov txo qhov viscosity exponentially: rau txhua 25 ° F nce, cov khoom sib txuas yuav ua li ob npaug ntawm cov kua . Yog li ntawd, cov nroj tsuag thawb lub hnab kom lav tag nrho cov txheej, tshwj xeeb tshaj yog rau cov pob zeb uas muaj qhov dej uas haus cov kua. Cov lus hauv qab: qhov kub dua qhov sib tov, qhov zoo dua qhov txheej, thiab qhov muaj zog dua qhov kev taug kev.

Yuav ua li cas yog tias lub thauj khoom txias ua ntej nws mus txog qhov chaw ua haujlwm?

Thaum lub tsheb thauj khoom tawm ntawm lub rooj vag, qhov cua sov poob pib. Kev tshawb fawb los ntawm National Asphalt Pavement Association (NAPA) qhia txog kev poob ntawm 5–7 °F ib mais ntawm 60 °F ib puag ncig hnub. Ntxiv cua, kev thauj mus los ntev dua, lossis kev paving hmo ntuj thiab qhov delta dav dua. Yog tias daim lev tuaj txog hauv qab kwv yees li240 °F (116 °C) , kev sib zog ua rau muaj kev nyuaj siab. Cov log tsheb tsis tuaj yeem kaw cov qhov cua tsis tau lawm, thiab qhov sib tov ua rau tawg, ua rau tawg thiab sib tsoo ua ntej lub sijhawm. Txhais lus : koj qhov chaw nres tsheb tshiab tuaj yeem zoo li kaum xyoo hauv rau lub hlis.

Yuav Ua Li Cas Khaws Qhov Kub Rau Qhov Chaw Nws Nyob - Sab Hauv Lub Thauj Khoom

  • Npog lub tsheb thauj khoom . Ib daim ntaub vinyl yooj yim txo qhov poob cua sov mus txog 35% ntawm kev thauj khoom hauv qab 20 mais.
  • Siv cov txaj pw uas muaj rwb thaiv tsev . Cov txaj pw uas muaj txheej txhuas ua rau qhov kub tso tawm ntau dua 15–20 °F piv rau cov hlau txheem.
  • Teem sijhawm rau kev nchuav . Teem sijhawm xa khoom kom lub tshuab paving tsis txhob nres; lub taub hau paving uas txav mus tas li ua rau kev sib cais ntawm qhov kub thiab txias tsis txhob poob qis.

Cov lus qhia zoo:

Tsis txhob muab cov khoom tso ua ntau txheej . Muab ib nrab ntawm cov khoom tso pov tseg, tos kaum feeb, tom qab ntawd muab cov seem tso pov tseg yuav ua rau lub plawv txias uas tsis muaj lub log twg kho tau.

Cov Qhov Muag Digital: Cov Sensors Infrared Txhua Qhov Chaw

Cov nroj tsuag niaj hnub nim no muaj cov koob yees duab infrared nyob saum lub thawv thauj khoom. Cov khoom siv no ntsuas tag nrho qhov chaw ntawm txhua lub tsheb thauj khoom hauv lub sijhawm tiag tiag, cim cov khoom thauj uas poob qis dua qhov teev tseg. Cov ntaub ntawv yuav xa mus rau cov dashboards huab, yog li cov neeg tshuaj xyuas DOT thiab cov neeg saib xyuas kev paving tuaj yeem tsis lees txais cov khoom txias ua ntej nws mus txog txoj kev.

Qhov Kub thiab Txias Puas Hloov Qhov Chaw Teeb Tsa ntawm Cov Nroj Tsuag?

Muaj tseeb tiag. Thaum sawv ntxov caij nplooj ntoos hlav uas kub txog 40 °F, tus neeg ua haujlwm cog qoob loo yuav tsoo lub hom phiaj mus rau qhov chaw uas lawv xav tau.330 °F los them rau cov kev thauj mus los txias. Ntawm qhov tod tes, thaum lub Xya Hli 95 ° F tav su, qhov chaw teeb tsa yuav rov qab mus rau290 °F kom tiv thaiv cov ntawv nplaum kom tsis txhob ntws tawm. Xav txog nws zoo li ua kom koj lub qhov cub sov ua ntej: koj tig lub hau raws li yam uas tab tom ci sab nraum zoov.

Koj puas tuaj yeem ua kom sov dhau qhov sib tov?

Muaj tseeb tiag. Thawb qhov sib xyaw dhau mus350 °F (177 °C) thiab cov asphalt cement pib oxidizing sai sai. Cov binder hloov mus ua brittle, thiab cov pa luam yeeb xiav uas koj pom yog cov roj teeb uas kub hnyiab . Qhov no tsis yog tsuas yog ua rau muaj teeb meem ib puag ncig xwb, nws tseem ua rau txoj kev tsis muaj zog los ntawm thermal cracking thawj lub caij ntuj no. Hauv ntej, kub dua zoo dua - kom txog thaum nws tsis kub.

Qhov Xwm Txheej Tseeb Hauv Ntiaj Teb: Kev Tsav Tsheb 20 Mais Hauv Arizona

Cia peb xam cov lej. Qhov kub ntawm lub qhov rooj cog khoom: 315 °F. Qhov kub thiab txias ib puag ncig: 105 °F. Qhov deb ntawm kev thauj khoom: 20 mais ntawm 55 mph. Siv tus qauv txias NAPA, qhov sib xyaw tuaj txog ntawm285 °F —tseem nyob hauv qhov rais compaction. Tab sis ntxiv 15-mph headwind thiab qhov kub tuaj txog yuav poob qis rau270 °F Tam sim no lub tshuab dov tawg tsuas muaj yim feeb xwb kom txog 92% qhov ceev ua ntej daim lev poob qis dua 240 °F. Yog koj tsis nco qab lub qhov rais ntawd ces koj yuav caum cov duab ntxoov ntxoo.

Cov Nyiaj Txiag: Cov Khoom Sib Xyaws Txias Nqe Npaum Li Cas?

Ib qho khoom thauj 20-tuj uas tuaj txog qis dua qhov teev tseg yuav raug nqi rau tus neeg cog lus:

Khoom Tus nqi
Kev Tshem Tawm & Kev Hloov Chaw$1,200
Kev sib tsoo thiab kev npog$800
Cov kev nplua rau DOT$500
Tag nrho cov kev raug mob $2,500 rau ib lub tsheb thauj khoom

Yog koj muab kaum lub tsheb thauj khoom ntxiv rau ib hnub ces koj yuav tau $25,000 los kho dua ua ntej noj su. Tam sim ntawd, qhov kev hloov kho lub koob yees duab infrared $300 ntawd zoo li nyiaj me me xwb.

Cov Ntsiab Lus Tseem Ceeb rau Cov Pab Pawg Paving

Nco ntsoov tias, qhov kub thiab txias yog lub hom phiaj txav mus los . Saib xyuas cov chaw teeb tsa ntawm lub Hoobkas, qhov deb ntawm kev thauj khoom, qhov ceev ntawm cua, thiab qhov kub thiab txias ib puag ncig hauv lub sijhawm tiag tiag. Kho txhua yam khoom zoo li kev xa pizza kub: qhov ceev thiab kub dua nws mus txog tus neeg siv khoom, txhua tus neeg zoo siab dua.

ua
Xyoo 2024, lub Hoobkas Asphalt Kub Sib Xyaws raug nqi ntau npaum li cas? (Thiab Cov Nqi Zais Cia Nyob Qhov Twg?)
Cov Kev daws teeb meem Asphalt Batch Type Mix Plant yuav txo koj cov nqi khiav lag luam li cas hauv ib hmos?
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