Warm-Mix vs Hot-Mix Gbugbɔgazã: Dzoxɔxɔ kple Carbon Lãɖeɖe

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Dzove 20, 2025. Eƒe dukɔ nye […]

Hot-mix recycling zɔna le 170-190 C, gake warm-mix recycling ateŋu awu enu le 120-140 C. Nyati sia tsɔ eveawo sɔ kple wo nɔewo le didime atɔ̃ me.

Dzoxɔxɔ ƒe Gɔmedzedze: Tsaka Dzodzoe 170-190°C, Tsaka Dzodzoe 120-140°C

Asphalt tsakatsaka ƒe dzoxɔxɔ si wotsakae nye nu vevitɔ si dea dzesi ŋusẽzazã, ya si dona le eme, kple xɔtutu ƒe nyonyome. Asphalt si wotsaka dzodzoe (HMA) si wozãna ɖaa la wɔa dɔ le dzoxɔxɔ si wotsɔ tsakae si nye 170-190°C, si woɖo ɖe mɔxenu eve dzi: gbãtɔ, aŋɔ ƒe ʋeʋẽ le dzoxɔxɔ sia me le sue ale gbegbe (anɔ abe 0.1-0.3 Pa·s ene) be wòatsyɔ nu ƒokpli la dzi bliboe; evelia, tsi si le nusiwo woƒo ƒu me ate ŋu adzo nyuie le dzoxɔxɔ sia me. Ke hã, 170-190°C hã fia ŋusẽzazã gã aɖe — dzoxɔxɔ ƒe dɔwɔwɔ na tsakatsaka tɔn ɖesiaɖe bia ami ƒe ŋusẽ si ade 30-40 MJ. Asphalt si wotsɔa dzoxɔxɔ tsakana (WMA) ɖea dzoxɔxɔ si wotsɔ tsakaae dzi kpɔtɔna va ɖoa 120-140°C, si nyea edzi ɖena kpɔtɔna abe 30-50°C ene. Ðeɖe sia menye ‘dzoxɔxɔ si mesɔ gbɔ o’ ko o — etrɔa bitumen ƒe rheological nɔnɔmewo ale be wòaɖo nutsyɔnu kple dɔwɔwɔ ma ke gbɔ le dzoxɔxɔ si bɔbɔ wu me. Gbugbɔgaɖoanyi si tso FangService gbɔ la ɖoa dzoxɔxɔ dzi ɖeɖe kpɔtɔ sia gbɔ to eƒe 3-le-1 ƒe mɔnu (warm-mix + modification + rejuvenation) dzi.

Dzɔdzɔmeŋusẽŋununya ƒe Mɔnu si Wotsɔ Tsaka Dzodzoe: Bitumen ƒe ʋeʋẽ si dze abe ɖe wòtsi ene dzi ɖeɖe kpɔtɔ

Mɔ̃ɖaŋununya si wotsɔa dzoxɔxɔ tsakana la kpɔa ŋusẽ ɖe edzi to alesi wòdze abe aŋɔ ƒe ʋeʋẽ lilili dzi ɖena kpɔtɔna le dzoxɔxɔ si wotsaka me ene. Le dzoxɔxɔ ƒe tsakatsaka si bɔ me la, dzoxɔxɔ koŋue kpɔa bitumen ƒe ʋeʋẽ dzi — dzoxɔxɔ si lolo wu fia be ʋeʋẽ si bɔbɔ ɖe anyi wu. Mɔ̃ɖaŋununya si wotsɔa dzoxɔxɔ tsakana wɔa dɔ ma ke le dzoxɔxɔ si bɔbɔ wu me to mɔ eve dzi. Dzɔdzɔmeŋusẽ ƒe mɔnu: wotsɔa nusiwo wɔa dɔ ɖe anyigba dzi alo Wax-ƒomevi ƒe kpeɖeŋutɔ siwo trɔa tsidzadza ƒe nɔnɔme le aŋɔ kple aŋɔka ƒe domedome, si wɔnɛ be aŋɔa kaka eye wòtsyɔa nu ƒokpli ƒe akpa suewo bliboe le dzoxɔxɔ si bɔbɔ wu me. Dzɔdzɔmemɔ: kekeli ƒe akpa suewo gbugbɔgade to rejuvenator la dzi be woaɖe aŋɔa ƒe ʋeʋẽ bliboa dzi akpɔtɔ tẽ. Gbugbɔgaɖoanyi si tso FangService zãa mɔ eveawo siaa le ɣeyiɣi ɖeka me: dzoxɔxɔ-tsaka ƒe akpaa ɖea anyigba ƒe tete dzi kpɔtɔna le bitumen-aggregate ƒe domedome, gake ɖekakpui ƒe akpaa gbugbɔa kekeli ƒe akpa sue siwo ɖea bitumen ƒe ʋeʋẽ dzi kpɔtɔna le ememe la ɖo. Ne wotsɔ wo katã ƒo ƒui la, wohea bitumen ƒe dɔwɔwɔ le dzoxɔxɔ 120-140°C me va ɖoa agbɔsɔsɔ si sɔ kple dzoxɔxɔ si wozãna ɖaa le dzoxɔxɔ 170-190°C me.

Ŋusẽ Kple Ya Siwo Dona: Alesi Wobu Akɔnta le 30% ƒe Ðeɖekpɔkpɔ Ŋu

Ŋusẽ si wodzrana ɖo tso dzoxɔxɔ dzi ɖeɖe kpɔtɔ 50°C me menye 50/190≈26% si le fli me o ke boŋ anɔ abe 30% ene, le susu etɔ̃ ta. Gbã la, dzoxɔxɔ ƒe dɔwɔwɔ ƒe dzoxɔxɔ ƒe bu — asphalt dɔwɔƒe ƒe dzoxɔxɔ nye dzoxɔxɔ ƒe tsɔtsɔ yi teƒe bubu ƒe ɖoɖo si mewɔa tɔtrɔ o, eye dzoxɔxɔ ƒe bu tso dzoxɔxɔ ƒe ƒuƒoƒo me tso dzoxɔxɔ si ƒo xlãe (anɔ abe 20°C ene) va ɖo dzoxɔxɔ si woɖo taɖodzinu na gbɔ la sɔ kple vovototo si le dzoxɔxɔ si woɖo taɖodzinu na kple esi le yame dome. Ne taɖodzinua ɖiɖi tso 190°C va ɖo 140°C la, dzoxɔxɔ ƒe vovototoa ɖiɖina tso 170°C va ɖo 120°C, eye dzoxɔxɔ si bu ɖeɖe dzaa dzi ɖena kpɔtɔna abe 30% ene. Evelia, bitumen ƒe dzoxɔxɔ ƒe ŋutete — bitumen ƒe dzoxɔxɔ tɔxɛ anɔ abe 1.6-1.8 kJ/(kg·K), eyata 1°C dzi ɖeɖe kpɔtɔ ɖesiaɖe ɖea abe 1.7 kJ dzi kpɔtɔna le bitumen tɔn ɖeka me. Etɔ̃lia, numiemie ƒe dzoxɔxɔ ƒe dɔwɔwɔ nyuie — zi geɖe la, numiemie ƒe dɔwɔwɔ nyuie ŋutɔŋutɔ nyea 50-60% ko, si fia be dzoxɔxɔ si tso ami ƒe dzobibi me ƒe afã kple edzivɔ buna na nutome. Ne wotsɔ nu etɔ̃awo katã ƒo ƒui la, dzoxɔxɔ-tsakatsaka gbugbɔgazã ɖea ami zazã dzi kpɔtɔna abe 30% ene ne wotsɔe sɔ kple dzoxɔxɔ-tsaka gbugbɔgazã, eye CO2 ƒe dodo kple acid gas ƒe dodo dzi ɖena kpɔtɔna abe 30% ene.

Numiemiewo ƒe Ðekawɔwɔ: Mehiã be Woatrɔ Asi Le Numiemiewo Ŋu Gã O

Nukpɔsusu totro si bɔ enye be dzoxɔxɔ ƒe tsakatsaka bia dɔwɔnu tɔxɛwo. Le nyateƒe me la, dzoxɔxɔ-tsaka gbugbɔgazã ƒe ɖoɖo si tso FangService la sɔ nyuie ŋutɔ kple asphalt dɔwɔƒe siwo li fifia. Gbã la, rejuvenator nye tsi si wotsɔ ƒo ƒui si wotsɔa pɔmpia yia tsakatsaka ƒe kpẽa me tẽ to additive metering system si li fifia dzi — mehiã be woatsɔ nu bubu aɖeke adzra ɖo, dzoxɔxɔ, alo atsɔ aɖoe ɖe amewo o. Evelia, 120-140°C ƒe dzoxɔxɔ si wotsaka la le afisi asphalt dɔwɔƒe siwo wozãna ɖaa ƒe dziɖuɖu ƒe didime le nyuie — wowɔ numiemie akpa gãtɔ na dzoxɔxɔ si sɔ gbɔ wu 190°C sã, eyata 140°C nye ɖoɖo si bɔbɔ ɖe anyi wu ko. Etɔ̃lia, compaction ateŋu anye 10-20°C le mixing temperature te, i.e., 100-120°C, eye le dzoxɔxɔ ƒe didime sia me la, steel-wheel rollers mekpɔa nu pickup o — vevesese ƒe dzesi le dzoxɔxɔ-tsaka mɔ̃ɖaŋununya gbãtɔ siwo egbegbe rejuvenator formulations kpɔ gbɔ. Asitɔtrɔ ɖeka kolia si hiã enye dzidziɖedzi sue aɖe le tsakatsaka ƒe ɣeyiɣi me (zi geɖe la, sɛkɛnd 5-10) ne RAP ƒe agbɔsɔsɔ wu 60%, le dzoxɔxɔ si bɔbɔ ɖe anyi kple dzoxɔxɔ ƒe xɔxlɔ̃ kabakaba si le RAP me ta — gake esia nye asitɔtrɔ le dɔwɔwɔ ŋu, menye dɔwɔnu ƒe tɔtrɔ o.

Field Performance: Compaction Window, Ðekawɔwɔ, Kple Ŋusẽ Gbãtɔ

Nusiwo wogbugbɔ zãna le dzoxɔxɔ me ɖea viɖe vevi geɖe fiana le agbletutu me. Gbã la, fesre si keke wu si wotsɔ ƒoa ƒui — esi wònye be aŋɔa léa tsi nyui me ɖe asi le dzoxɔxɔ si bɔbɔ wu me ta la, ɣeyiɣi si woate ŋu awɔ dɔ tso esime wòɖee vaseɖe esime wòƒoe mlɔeba la didi abe 30-50% ene wu dzoxɔxɔ ƒe tsakatsaka, si xɔ asi ŋutɔ na mɔdodo gã alo zãdɔwɔwɔ. Evelia, dzoxɔxɔ ƒe ɖekawɔwɔ nyuie wu — tsakatsaka si bɔbɔ ɖe anyi wu ɖea dzoxɔxɔ ƒe vovototo si le aggregate particles ƒe anyigba kple eme dome dzi kpɔtɔna, si ɖea localized compaction deficiency si dzoxɔxɔ ƒe vovototodedeameme hena vɛ dzi kpɔtɔna. Etɔ̃lia, ŋusẽ ƒe ŋgɔyiyi kabakaba kabakaba — dzoxɔxɔ-tsaka si wogbugbɔ tsaka ate ŋu aɖo ŋusẽ si sɔ na ʋuwo le gaƒoƒo 1-2 me le mɔdodowo tutu vɔ megbe, esime dzoxɔxɔ tsakatsaka zi geɖe hiã gaƒoƒo 4-6 ƒe fafa. Enelia, dzudzɔ kple ʋeʋẽ dzi ɖeɖe kpɔtɔ ŋutɔ — dzoxɔxɔ si le tsakatsaka me si bɔbɔ ɖe anyi ɖe aŋɔ ƒe yaƒoƒo dzi kpɔtɔ wu 50%, si na dɔwɔƒe ƒe nɔnɔme nyo ɖe edzi na xɔtudɔwɔlawo eye wòɖe ŋusẽ si wòkpɔna ɖe nuto siwo te ɖe afima ŋu dzi kpɔtɔ.

Gazazãwo Tsɔtsɔ Sɔ Kple Wo Nɔewo: Menye Mɔ̃memi Zazã Ðeka Ko

Womate ŋu aɖe gazazã ƒe viɖe si le dzoxɔxɔ-tsaka gbugbɔgazã me dzi akpɔtɔ wòazu mɔ̃memi zazã ɖeɖeko o. Gazazãwo tsɔtsɔ sɔ kple wo nɔewo bliboe lɔ nusiwo gbɔna ɖe eme. Gbã la, ami ƒe asi — ga si wodzra ɖo abe 30% ene, si gɔme woɖe be wodzra ga ɖo abe 15-25 yuan ene le tɔn ɖeka me le tsakatsaka me le ami ƒe asi siwo li fifia nu. Evelia, bitumen binder ƒe asi — RAP geɖe dede eme ɖea bitumen yeye zazã dzi kpɔtɔna, si naa 30-60 yuan le tɔn ɖeka me (le RAP ƒe agbɔsɔsɔ kple bitumen ƒe asi nu). Etɔ̃lia, gazazã si woƒo ƒu — aggregate xoxowo gbugbɔgazã le RAP me ɖea aggregate ɖetugbui leaƒe ƒe nuƒle, ʋuɖoɖo, kple etutu ƒe gazazãwo ɖa. Enelia, carbon ƒe asitsatsa ƒe gazazã — le carbon ƒe asiwo me la, 30% ƒe ya si dona dzi ɖeɖe kpɔtɔ ɖea egɔme tẽe ɖe carbon credits siwo woate ŋu adzra me. Atɔ̃lia, xɔtutu ƒe dɔwɔwɔ nyuie ƒe viɖewo — fesre siwo keke wu kple ŋusẽ ƒe ŋgɔyiyi kabakaba kabakaba ɖea mɔ̃wo ƒe dɔmawɔmawɔ ƒe ɣeyiɣi dzi kpɔtɔna. Ne wotsɔ wo katã ƒo ƒui la, ga si wozãna ɖe dzoxɔxɔ-tsakatsaka gbugbɔgawɔ ŋu la le ʋɛ wu 25-40% wu dzoxɔxɔ-tsakatsaka si wozãna ɖaa. Akɔntabubu siawo menye nukpɔsusu ƒe akɔntabubuwo o — wotu wo ɖe gazazã ŋuti nyatakakawo me dzodzro tso xɔtudɔ ŋutɔŋutɔ geɖewo me dzi.

Nyametsotso ƒe Ðoɖo: Ɣekaɣie Nàtia Dzoxɔxɔ ƒe Tɔtɔ, Ne Hot Mix Gakpɔtɔ Le Dɔ wɔm

Dzoxɔxɔ-tsakatsaka gbugbɔgawɔ mesɔ na nɔnɔmeawo katã o. Nɔnɔme ene doa dzidzɔ na dzoxɔxɔ-tsakatsaka gbugbɔgazã vevie: gbãtɔ, RAP ƒe agbɔsɔsɔ si wu 40% — RAP ƒe agbɔsɔsɔ si sɔ ŋutɔ ƒe tsɔtsɔ de eme ŋutɔ bia be woatsaka le dzoxɔxɔ si bɔbɔ wu me be woaxe mɔ ɖe aŋɔsisi ƒe ƒuƒoƒo tsitsiwo ƒe ƒuƒoƒo fũu akpa nu; evelia, dugã me mɔdodowo tutu — ya si dona le yame kple ʋeʋẽ si bɔbɔ ɖe anyi mekpɔa ŋusẽ boo aɖeke ɖe nutoa me dzi o; etɔ̃lia, zã alo duƒuƒu dɔwo — fesre siwo keke wu siwo wotsɔ ƒoa ƒui kple ʋuʋu kabakaba na ʋuwo; enelia, dɔ siwo me carbon ƒe mɔxenu sesẽwo le — ya si dona le yame dzi ɖeɖe kpɔtɔ 30% nye viɖe gã aɖe le sedziwɔwɔ me. Nɔnɔme eve siwo me woate ŋu abu dzoxɔxɔ ƒe tsakatsaka ŋu kokoko: gbãtɔ, RAP ƒe agbɔsɔsɔ si mede 20% o kple gazazã ƒe seselelãme si gbɔ eme — le RAP ƒe tsɔtsɔ de eme sue me la, ga si woatsɔ akpe ɖe tsakatsaka dzodzoe ŋu ate ŋu agbɔ ami si wodzrana ɖo ŋu; evelia, nuto siwo me vuvɔ wɔna ŋutɔ — le yame ƒe dzoxɔxɔ si mede -30°C o me la, dzoxɔxɔ kple tsakatsaka ƒe tsakatsaka ƒe ƒoƒo ate ŋu asesẽ kokoko. Le nusianu me la, le mɔdodowo tutudɔ akpa gãtɔ gome la, nusiwo wotsɔ tsaka dzodzoe gbugbɔgazãe nye tiatia nyuitɔ kekeake ne wotsɔe sɔ kple mɔdodo siwo wotsɔ tsaka dzodzoe si wozãna ɖaa.