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ʻO TTM Asphalt Plant - Mea Hana Hana Hoʻohuihui Asphalt a me nā Lako Hana Hou Mai ka makahiki 2004.

Pehea e hōʻemi ai nā lawelawe ʻo RAP Recycling Hot Mix Asphalt Plants Services i nā kumukūʻai me ka ʻole o ka mōhai ʻana i ka maikaʻi?

Ua noʻonoʻo paha ʻoe no ke aha e ʻimi nei nā DOT a me nā pavers pilikino i ka "rap recycling hot mix asphalt plants services" i ka hola 2 am? He maʻalahi ka pane pōkole: ke emi nei nā kālā, ke piʻi nui nei nā kumukūʻai puʻupuʻu, a ua paʻi ʻia nā ana hoʻomau i kēlā me kēia hōʻike makahiki. ʻO ka pane lōʻihi—a ʻoi aku ka hoihoi—ua kanu ʻia i ke ʻano o ka lawelawe ʻana o nā mea kanu hou i ka pavement asphalt i hoʻihoʻi ʻia (RAP) me ka ʻole o ka hoʻololi ʻana i kāu holo mālie i loko o kahi ʻahaʻaina lua.

ʻO ka mea mua, he aha ka mea i helu pono ʻia he RAP?

ʻAʻole ʻo RAP he "mea ʻeleʻele kahiko" āu e wili ai mai ke alaloa. He hui paʻa ia o ka mea hoʻopaʻa asphalt kahiko a me nā aggregates kiʻekiʻe i hōʻoia mua e hiki iā lākou ke ola i nā makahiki o ke kaʻa a me nā pōʻaiapuni hau-hoʻoheheʻe. Ke ʻōlelo nā mea hana ʻaelike i nā lawelawe hale hana asphalt hoʻohuihui wela rap, ke kamaʻilio maoli nei lākou e pili ana i kahi kaulahao o nā kaʻina hana—wili ʻana, hoʻokaʻawale ʻana, hoʻāʻo ʻana, hoʻohuihui ʻana, hoʻomehana hou ʻana, a me ka waiho ʻana—e hāʻawi ana i kēia mau alanui i hoʻolei ʻia i ke ola ʻelua. ʻOiaʻiʻo leʻaleʻa: hiki i hoʻokahi mile o ke alaloa kūlanakauhale ʻehā ala ke hoʻopuka ma kahi o 18,000 tons o RAP. ʻO ia hoʻi he kokoke i 1,200 mau ukana ukana o nā mea e noi ana no kahi manawa ʻelua.

No ke aha e holo wikiwiki ai i nā hui mele RAP 40%, 50%, a i ʻole 100%?

E kamaʻilio kākou e pili ana i nā helu e hoʻohauʻoli ai i nā luna kālā. ʻO ka mea hoʻopaʻa Virgin wale nō ke kumu kūʻai o 60% o ke kumukūʻai o ka hui asphalt. E hoʻololi i ka 40% RAP a ua holoi ʻoe ma kahi o 24% o kēlā laina ma mua o ka hoʻi ʻana o ke kalaka mua i ka paver. E hana i kēlā ma kahi hoʻoponopono interstate 100,000-ton a ke kamaʻilio nei mākou e pili ana i nā mālama kālā ma mua o hoʻokahi miliona kālā. ʻAe, ʻehiku mau helu.

Akā, ʻo ke kumukūʻai wale nō ka hapalua o ka moʻolelo. I kēia manawa, helu nā keʻena i nā mea kūʻai ma ka kapuaʻi kalapona, a he nui nā mokuʻāina—e nānā ana iā ʻoe, ʻo Colorado a me Kaleponi—e hāʻawi ana i nā hoʻemi kumukūʻai kūʻai ke hoʻokō ʻoe i nā pahuhopu hoʻomau. Ma ka ʻōlelo Pelekania maʻalahi: hana hou aku, lanakila i ka hana hou aku, a hoʻomāhuahua i kāu waiwai me ka ʻole o ka hoʻokala ʻana i kāu penikala ma nā mea kūʻai ʻē aʻe.

I loko o ka Hale Hana: Pehea e huki ai nā lawelawe hale hana Asphalt RAP i ka hana kilokilo

1. Ka Hoʻopōʻino a me ka Nānā ʻana i ka Precision RAP

ʻAʻole lawa nā ʻāpana maʻamau. Hoʻopau nā lawelawe hou i ka RAP i nā kikoʻī paʻa o ka nui kiʻekiʻe—ʻo ka maʻamau he ½ ʻīniha (12.5 mm)—a laila hoʻokaʻawale iā ia i ʻelua mau ʻāpana. Hoʻi hou nā Overs no kekahi hala ʻē aʻe; hōʻike nā mids i nā pahu hānai anu. Hoʻonui kēia hana i ka manawa hana o ka mea kanu ma 15% a pale i nā hoʻopiʻi "uahi polū" mai nā hoalauna.

2. Ka hoʻomaloʻo ʻana i ke kahe like ʻana vs. nā ʻōnaehana counter-flow

Hoʻomāhana nā pahu kahe like kahiko i ka RAP ma ka ʻaoʻao kuni, e hoʻomake ana i ka mea hoʻopaʻa a hoʻolilo i ka hui i mea palupalu. Hoʻokomo nā mea kanu counter-flow hanauna hou i ka RAP ma lalo, ma kahi ʻē aʻe o ke ahi ʻōlohelohe. Hopena: noho ka mea hoʻopaʻa kahiko i ka hana, a mālama kāu hui hana hou i ke kūpaʻa haʻahaʻa haʻahaʻa e pono ai ʻoe, e like me, Minnesota Pepeluali.

3. Nā ʻōkuhi "Rejuvenator" Virgin Binder

Eia ka ʻāpana maikaʻi: hoʻokomo nā ʻenekinia i nā mea hoʻoulu hou i hana ʻia—i kekahi manawa he hui ʻaila bio-based, i kekahi manawa he hui ʻaila ʻala—ma 0.3% a 0.6% ma ke kaumaha o ka hui ʻana. Hoʻoponopono hou kēia mau kemika i nā asphaltenes a me nā maltenes, e hoʻihoʻi ana i ka ductility i hana ai ka hui hana hou e like me kahi meaʻai puʻupaʻa 100%. E noʻonoʻo iā ia he lā spa no nā molekala asphalt luhi.

4. Nā Mea ʻIke Mahana NIR a me Gamma Manawa Maoli

Hoʻokomo nā mea kanu kūpono i ko lākou paʻakai i nā scanner kokoke-infrared (NIR) ma luna o ke kāʻei a me nā mea ʻike gamma i loko o ka pahu. Heluhelu kēia mau gizmos i ka ʻike o ka mea hoʻopaʻa, ka makū, a me ka mahana i kēlā me kēia 30 kekona, hoʻoponopono ponoʻī i nā puka hānai a me ka wahie kuni. Unuhi: hui like, emi nā ukana i hōʻole ʻia, a ʻaʻohe kelepona 3 am mai kahi luna papahana huhū.

Kiʻi Hihia: Pennsylvania Turnpike 2022 Overlay

Ma kahi o ka lawe ʻana i 62,000 tons o RAP i ka landfill, ua hoʻoneʻe ka mana o ke alanui huli, huki hou, a hana hou i 94% o ia mea i loko o kahi overlay modulus kiʻekiʻe. Ua hōʻoia ka mea lawelawe lawelawe mea kanu asphalt hot mix rap i kahi ola luhi 12 mau makahiki, akā ua hōʻike mua nā hoʻokolohua rutting mua i ka hana e like me ka puʻupaʻa SMA—ma ke kumukūʻai haʻahaʻa he 28%. Ua mālama ka poʻe ʻauhau i $3.4 miliona a me 3,900 metric tons o CO₂. ʻAʻole maikaʻi ʻole no ka hana o hoʻokahi lā.

Akā, e mau loa anei nā hui ʻana o ka High-RAP?

He olakino ke kānalua. ʻO ke kī ka hoʻolālā hui kaulike: nā ʻāpana like o ka hana akamai, ka hoʻohuihui pololei ʻana o ka mea hoʻopaʻa, a me ka kaohi maikaʻi paʻa. Ke nānā ʻia kēlā mau pahu, hōʻike ka ʻikepili track National Center for Asphalt Technology (NCAT) he 50% o nā hui RAP e hiki ke kūlike me ke kū'ē ʻana o ka rut a me ka hoʻomanawanui i ka haki ʻana o nā hui puʻupaʻa. Unuhi: ʻaʻole e wāwahi ʻia kou alanui ma mua o ke kaʻina koho balota e hiki mai ana.

ʻEkolu mau ʻōlelo aʻoaʻo QA wikiwiki no nā mea kikoʻī

  • E hoʻemi i ka lakio lepo RAP ma 1.6 e pale aku i nā hui ʻoʻoleʻa e nahā ma lalo o ke kaumaha wela.
  • ʻO ka puʻupuʻu o ka papa mea hoʻopaʻa puʻupaʻa koi (e laʻa, PG 64-22 a i PG 58-28) ke ʻoi aku ka RAP ma mua o 30% ma nā papa ʻili.
  • E koi aku i ka ʻikepili hoʻopaʻa gyratory i hāʻawi ʻia e ka mea hana ma Ninitial, Ndesign, a me Nmax e hopu i nā hui palupalu i ka wā mua.

Ke koho ʻana i ka Rap Recycling Hot Mix Asphalt Plants Services Partner

ʻAʻole hiki i nā lole āpau me kekahi mau pahu hānai anu ke lawelawe i ka 50% RAP me ka ʻole o ka hoʻololi ʻana i kāu hui i loko o kahi barbecue uahi polū. E nānā no:

  1. Moʻolelo Kūlana i Hōʻoia ʻia: E noi no nā papahana DOT ma mua me ≥40% RAP. Inā ʻaʻole hiki iā lākou ke hōʻike i ka ʻikepili QC e hoʻi ana i ʻelima mau makahiki i hala, e hoʻomau i ka hele wāwae.
  2. Nā Waihona i Hoʻokaʻawale ʻia: ʻO nā mea kanu e mālama ana i ʻekolu a ʻoi aku paha nā hapa RAP e hāʻawi iā ʻoe i ka kaohi paʻa a me nā volumetrics ʻoi aku ka maikaʻi.
  3. ʻŌnaehana Inikini Hoʻoulu Hou: ʻO nā pamu i ana ʻia, nā mika kahe, a me nā pahu i hoʻoponopono ʻia e hōʻoiaʻiʻo ana ʻaʻole lākou e hoʻolei wale ana i ka ʻaila ʻōpala i loko o ka pahu.
  4. Nā Palapala ʻAe Kaiapuni: ʻO nā mea hoʻoheheʻe wela, nā apo hopu uahi polū, a me nā mea nānā opacity manawa maoli e mālama iā ʻoe ma ka ʻaoʻao kūpono o nā nānā ʻana a ka EPA.

Ka Manaʻo Nui: ʻAʻole he mea maʻamau ka hana hou ʻana o RAP—He mea kōkua ola kālā ia

Ma waena o nā kumukūʻai aila paʻakikī, ka nele o ka huina, a me nā lula kaiapuni e hoʻopaʻa mau nei, ʻo nā mea hana ʻaelike e hoʻowahāwahā nei i nā lawelawe mea kanu asphalt hot mix rap recycling ke hāʻawi nei i ka hana aʻe i nā mea hoʻokūkū akamai. No laila, ua mākaukau ʻoe e hoʻomākaukau i kāu noi aʻe no ka wā e hiki mai ana? E kelepona i kāu mea hoʻolālā mix, e nīnau i nā hoa hana mea kanu me ka papa inoa ma luna, a e nānā i kāu loaʻa kālā no kēlā me kēia tona e piʻi ana ʻoiai e emi ana kāu helu kalapona. ʻĀ, a i ka manawa aʻe e haʻi aku ai kekahi iā ʻoe he "lua ka helu" ka asphalt recycled, e minoʻaka wale a hōʻike iā lākou i nā helu Pennsylvania Turnpike. ʻO ia ka mea maʻamau e pani koke iā lākou.

ikaika
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He mea hana ʻoihana ʻo TTM Asphalt Plant o nā lako hana hoʻohuihui asphalt a me nā lako pili, e hoʻohui ana i ka R&D, hana ʻana, kūʻai aku, a me ka lawelawe.
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