Kodi Chomera Chosakaniza Chotentha cha Asphalt Chimachepetsa Bwanji Ndalama Popanda Kuwononga Mtengo?

Chifukwa Chake Akatswiri Akufunsa Zokhudza Zomera Zosakaniza Zotentha za Asphalt

Ngati mwapita ku chiwonetsero cha zomangamanga misewu posachedwapa, mwina mwamvapo phokoso la fakitale yosakanizira zinthu zotentha ya phula . Aliyense akulankhula za izi—oyang'anira mapulojekiti, mainjiniya a DOT, ngakhale oyendetsa magalimoto akuluakulu omwe ankakonda kutchula zinthu zopanda pake zokha. Koma nayi funso lofunika kwambiri: kodi ukadaulo uwu ungachepetsedi bajeti yanu popanda kusintha msewu wanu kukhala chikondwerero cha mabowo? Tiyeni tifufuze ndikupeza yankho.

Kodi "Kubwezeretsanso Zinthu Motentha" M'fakitale N'chiyani?

Iwalani mawu osavuta kwa kanthawi. Kubwezeretsanso zinthu motentha kumangotanthauza kutenthetsanso msewu wa asphalt wobwezeretsedwa (RAP) ndikusakaniza ndi aggregate yatsopano ndi bitumen mkati mwa ng'oma yomweyo . Zamatsenga zimachitika pa 150–160 °C, pomwe binder yakale imasungunukanso ndikuphatikiza ndi zinthu zatsopano. Zotsatira zake? Kusakaniza komwe kumakhala ngati njira yophikira koma kumakhala ndi zinthu zobwezerezedwanso mpaka 50%. Zabwino, eti?

Chiyerekezo cha Dollars-and-Cents

Tiyeni tikambirane za Turkey. Virgin binder ikukwera pafupifupi $700 pa tani m'madoko ambiri aku US. Sinthani 40% ya ndalamazo ndi RAP ndipo mwangosunga $280 pa tani iliyonse ya binder . Pa ntchito yolumikizirana pakati pa mayiko ya matani 20,000, imeneyo ndi ndalama yochepera $5.6 miliyoni . Ngakhale mutaganizira za mphamvu yowonjezera yowuma ndi rejuvenator yowonjezereka, mukuyang'anabe ndalama zosungiramo ndalama ziwiri. Dipatimenti yanu yazachuma idzakukondani chifukwa cha izi.

Kodi Ubwino wa Zinthu Uli Pamavuto? Deta ya Lab Ikulankhula Mokweza Kuposa Mphekesera

Ma laboratories odziyimira pawokha a DOT ku Texas ndi Ontario adachita mayeso a rutting pa 50% RAP mixes zopangidwa mu fakitale yamakono yosakaniza phula yotentha . Kukhazikika kwa mphamvu kunabwerera pa 3 200 cycles/mm2 , bwino kuposa 2 000 osachepera. Pakawonongeka chinyezi, chiŵerengero cha mphamvu yomangika chinafika pa92 % , kupambana 80% spec. Kumasulira: msewu wapansi umatenga nthawi yayitali—nthawi zina yayitali—kuposa misewu yopanda anthu .

Kusintha Kuchokera ku Batch kupita ku Recycling: Ndi Zosintha Ziti Patsambali?

Musanapite mwachangu kukakonza nsanja yanu ya batch ya m'ma 1970, dziwani izi: mufunika ng'oma yofanana kapena malo owuma ozungulira kuti muteteze RAP ku moto wowongoka. Mudzawonjezeranso skid yosinthira mphamvu ndi chidebe choziziritsa cha RAP chokhala ndi ma drive osinthasintha. Ndipo chinthu chimodzi - kompyuta yanu ya fakitale ifunika kusinthidwa kwa mapulogalamu kuti itsatire madera osiyanasiyana otentha nthawi imodzi. Mukamaliza kusinthaku, mutha kusintha pakati pa zosakaniza za virgin ndi zobwezerezedwanso m'mphindi zosakwana 45.

Ubwino Wachilengedwe Womwe Umasangalatsa Olamulira

Tani iliyonse ya RAP yomwe mumagwiritsanso ntchito imasunga 0.45 t ya CO₂ mumlengalenga—yofanana ndi kubzala mitengo 20. Chulukitsani zimenezo ndi matani 3 miliyoni a RAP omwe asungidwa kale ku US ndipo mukunena za kuchuluka kwa mpweya woipa womwe umatha usiku wonse. Ma credits a LEED ndi misika ya credits ya carbon ikuyamba kupindulitsa khalidwe limenelo, kotero zobiriwira sizilinso mtundu chabe—ndizogulitsidwa.

Nthano Zofala, Zosweka

Bodza 1: “RAP ndi chinthu chakuda chopyapyala chomwe chimafooketsa kusakaniza.”

Zoona zake: Ndi kugawa bwino magawo ndi kutentha kwambiri kwa mpweya , RAP imakhala yofanana ndi aggregate ya virgin.

Bodza lachiwiri: “Simungapitirire 25% RAP panjira za pamwamba.”

Zoona zake: Missouri DOT yangoyika malo a 50% RAP SMA pa I-35 mu 2022—osasweka konse pambuyo pa nyengo ziwiri zachisanu.

Mndandanda Woyambira Mwachangu kwa Ogula Koyamba

• Funsani chakudya cha RAP chosinthasintha kuti chifike pamlingo wolondola wa ±1%.
• Limbikirani kugwiritsa ntchito masensa otentha a infrared pa ng'oma kuti mupewe utsi wabuluu.
• Pemphani kuti mupeze chosinthira kutentha chodziyeretsera kuti musakwere mkati ndi chotsukira mpweya mlungu uliwonse.
• Kambiranani za gawo la zaka zisanu losintha mapulogalamu ; ukadaulo ukuyenda mwachangu m'gawo lino.

Zoteteza M'tsogolo: Thovu Lofunda, Zobwezeretsa Zamoyo, ndi Zina Zopitirira

Ofufuza ku Netherlands akugwiritsa ntchito kale phula lofunda la thovu pa kutentha kwa 110 °C, zomwe zimachepetsa mphamvu zina ndi 12%. Pakadali pano, opanga soya akusintha mafuta otulutsa mafuta, zomwe zikupangitsa kuti mafuta obwezerezedwanso ayambe kugwiritsidwa ntchito.70 % Anthu oyamba kugwiritsa ntchito makina osakaniza zinthu zotentha a phula okhala ndi ma modular burner ports adzatha kugwiritsa ntchito ukadaulo umenewu popanda kugula ng'oma yatsopano. Ganizirani izi ngati njira yotetezera mtsogolo mwa capex yanu.

Mfundo Yofunika Kwambiri: Kodi Ndalama Zoyikira Ndalama Zili Zofunika Mu 2024?

Yesani kupeza manambala pa fakitale ya matani 200 pa ola limodzi yomwe ikugwira ntchito ndi 40% RAP. Mudzabwezanso phukusi lobwezeretsanso la $1.2 miliyoni m'miyezi 14 pamitengo yamasiku ano. Ganizirani za kaboni, ndalama zochotsera zinyalala, ndi mawonekedwe a malonda a "omanga misewu yobiriwira," ndipo ndalama zobwezera zimatsika kufika pasanathe chaka . Inde, kutchuka ndi kwenikweni. Funso lokhalo lomwe latsala ndilakuti: kodi mungayambe liti?