Warm-Mix vs Hot-Mix yɛlɛmani: Ka funteni ni karibɔni tigɛ

Kumabolo

Mɛkalo tile 20, saan 2025

Hot-mix yɛlɛmani be boli 170-190 C la, k’a sɔrɔ warm-mix yɛlɛmani be se ka ban 120-140 C. Nin barokun be u fila suma ɲɔgɔn na yɔrɔ duuru la.

Funteni hakɛ: ɲagaminin kalaman 170-190°C, ɲagaminin kalaman 120-140°C

Asphalte ɲagaminin ɲagaminin funteni ye paramɛtiri jɔnjɔn ye min be kuran minɛcogo, nɔgɔ bɔli ani lɔli ɲuman dantigɛ. Asphalte conventionnel hot-mix (HMA) be baara kɛ ɲagaminin funteni hakɛ la min be 170-190°C cɛ, o siginin lo ka kɛɲɛ ni dankari fila ye: fɔlɔ, bitumen ka nɔgɔya o funteni hakɛ la, o ka dɔgɔ kosɔbɛ (0,1-0,3 Pa·s ɲɔgɔn) walisa ka se ka fɛnɲɛnamafagalanw datugu ka ban; filanan, jii be se ka yɛlɛma ka ɲɛ o funteni hakɛ la. Nka, 170-190°C fana kɔrɔ ye ko fanga ka ca — ɲagaminin tɔni kelen kelen bɛɛ ka kalaya cogoya be 30-40 MJ ɲɔgɔn lo ɲini taji barika la. Asphalte min be ɲagami ni kalaman ye (WMA) be ɲagaminin funteni dɔgɔya ka se 120-140°C ma, o kɔrɔ, a be dɔgɔya fɔɔ ka se 30-50°C ɲɔgɔn ma. O dɔgɔyali tɛ ‘kalaya dɔgɔyali’ dɔrɔn ye — a be bitumen ka rheologique cogoya yɛlɛma walisa a ka se ka fani kelen sɔrɔ ani ka baara kɛ ni funteni dɔgɔyara. Lakurayalan min bɔra FangService la, o be se ka o funteni dɔgɔya a ka 3-in-1 fɛɛrɛ sababu fɛ (kalaya-ɲagaminin + yɛlɛmani + lakurayali).

Simi min be kɛ ka ɲagami ni fɛɛn gwansan ye: a be bitumen nɔgɔya dɔgɔya

Warm-mix fɛɛrɛ b’a ka nɔɔ sɔrɔ n’a be bitumen ka nɔgɔya dɔgɔya ɲagaminin funteni tuma na. Laada ɲagaminin kalaman na, bitumen nɔgɔya be kɔlɔsi fɔlɔ funteni fɛ — funteni caman kɔrɔ ko nɔgɔya dɔgɔyara. Warm-mix fɛɛrɛ be nɔɔ kelen lo sɔrɔ funteni dɔgɔyalenw na sira fila fɛ. Simi sira: ka surfactants walima Wax-type additives fara a kan minw be jigi cogoya yɛlɛma bitumen ni agrégat cɛ, min b’a to bitumen be jɛnsɛn ani ka agrégat fɛnɲɛnamaw datugu ka ban ni funteni dɔgɔyara. Farikolo sira: ka yeelen yɔrɔ dɔw ladon tugun yɛlɛmanikɛla fɛ walisa ka bitumen ka nɔgɔya bɛɛ dɔgɔya ka ɲɛ. O fɛn min be bɔ FangService la, o be baara kɛ ni sira fila nunu ye ɲɔgɔn fɛ: fɛn min be ɲagami ni funteni ye, o be yɔrɔ nɔgɔya dɔgɔya bitumi ni agɛrɛgati cɛ, k’a sɔrɔ fɛn min be mɔgɔw lakuraya, o be yeelen yɔrɔ dɔw fa minw be bitumi nɔgɔya dɔgɔya kɔnɔna na. U bɛɛ faranin ɲɔgɔn kan, u be bitumen ka baarakɛcogo lase 120-140°C ma fɔɔ ka se hakɛ dɔ ma min be se ka suma ni ɲagaminin kalaman kɔrɔman ye 170-190°C la.

Kuran ni fɛnɲɛnamafagalanw: 30% dɔgɔyali jate cogo min na

Kuran min be bɔ 50°C funteni dɔgɔyali la, o tɛ 50/190≈26% lineer ye nka a be se ka kɛ 30% ɲɔgɔn ye, kuun saba kosɔn. A fɔlɔ, funteni bɔnɛ cogo la — asfalti yiriw ka funteni ye funteni yɛlɛmani ye min tɛ basigi, ani funteni min be bɔ funteni ɲɔgɔndan na ka bɔ lamini na (20°C ɲɔgɔn) ka taga se funteni laɲinin ma, o be bɛn ni funteni laɲinin ni lamini funteni danfara ye. Ni laɲini jigira ka bɔ 190°C la ka taga 140°C la, funteni danfara be jigi ka bɔ 170°C la ka taga 120°C la, ani funteni tununi dɔrɔn be dɔgɔya ni 30% ɲɔgɔn ye. A filanan, bitumen ka funteni se — bitumen ka funteni kɛrɛnkɛrɛnnin be 1,6-1,8 kJ/(kg·K) ɲɔgɔn na, o la, 1°C kelen kelen bɛɛ be 1,7 kJ ɲɔgɔn bɔ bitumen tɔni kelen kelen bɛɛ la. A sabanan, yiriw ka funteni fanga — yiriw ka funteni yɛrɛ yɛrɛ ka teli ka kɛ 50-60% dɔrɔn ye, o kɔrɔ ko funteni min be bɔ taji jeni na, o tilancɛ ni kɔ be tunu lamini na. N’an y’o koo saba nunu bɛɛ fara ɲɔgɔn kan, yɛlɛmani min be kɛ ni ɲagaminin kalamanw ye, o be 30% ɲɔgɔn bɔ taji minɛli la ni ɲagaminin kalamanw yɛlɛmani ye, ani o be bɛn ni dɔ bɔli ye 30% ɲɔgɔn na CO2 bɔli la ani asidi gazi bɔli la.

Falenfɛnw ka bɛn: A ma ɲi ka yɛlɛmanibaw kɛ

Mɔgɔw ​​ka teli ka miiriya jugu min kɛ, o ye ko ka ɲagami ni fɛɛn gwansanw ye, o be minan kɛrɛnkɛrɛnninw lo ɲini. Tiɲɛn na, FangService ka yɛlɛmani min be kɛ ni warm-mix ye, o be bɛn koɲuman ni asphalte baarakɛyɔrɔw ye minw be yen ka kɔrɔ. A fɔlɔ, fɛn min be mɔgɔw lakuraya, o ye jii nɔgɔman ye min be pɔnpe ka don ɲagaminan kɔnɔ ka tɛmɛ jateminɛ kɛcogo fɛ min be yen — u mako tɛ minan wɛrɛ la min be se ka mara, ka kalaya wala ka fɛɛnw di. A filanan, 120-140°C ɲagaminin funteni be bɛn koɲuman asphalte iziniw ka kɔlɔsili hakɛ ma — iziniw fanba labɛnna funteni caman kama min ka ca ni 190°C ye, o la 140°C ye yɔrɔ dɔgɔman dɔrɔn ye. A sabanan, ɲɔgɔndan be se ka kɛ 10-20°C ye ɲagaminin funteni duguma, o kɔrɔ, 100-120°C, ani o funteni hakɛ la, nɛgɛ-nɛgɛw tɛ minanw ta — o ye dimi ye min be sɔrɔ ɲagaminin fɔlɔw ka fɛɛrɛw la minw be bi mɔgɔw lakuraya. Yɛlɛmani kelen min ka kan ka kɛ, o ye ka dɔ fara ɲagami wagati kan dɔɔni (a ka ca a la, sekɔndi 5-10) ni RAP kɔnɔfɛnw ka ca ni 60% ye, k’a sababu kɛ RAP ka funteni dɔgɔyali ye ani a ka funteni minɛ joona ye — nka o ye baarakɛcogo yɛlɛmani ye, minanw yɛlɛmani tɛ.

Foro baara: Fenɛtiri min be ɲɔgɔn minɛ, min be kɛ kelen ye ani min be fanga di joona

Warm-mix recycling be nafa jɔnjɔn caaman yira foro lɔli la. A fɔlɔ, nɛgɛdaga min ka bon — komi bitumen be jii ɲuman mara funteni dɔgɔman na, baara wagati min be se ka kɛ k’a ta ji bɔli ma ka taga a bila nɛgɛdaga laban na, o ka jan ni ɲagaminin gwansan ye ni 30-50% ɲɔgɔn ye, o min nafa ka bon kɛrɛnkɛrɛnniya la yɔrɔbaw ka pavement wala sufɛ baara kama. A filanan, funteni ɲɔgɔndan ɲuman — ɲagaminin min ka dɔgɔ, o be funteni danfara dɔgɔya fɛnɲɛnamafagalanw sanfɛla n’u kɔnɔyɔrɔ cɛ, o be dɔ bɔ yɔrɔw ka ɲɔgɔndan dɛsɛ la min be sɔrɔ funteni danfara fɛ. A sabanan, fanga yiriwali teliman — ɲagaminin min be kɛ ni ɲagaminin kalaman ye, o be se ka fanga sɔrɔ lɛrɛ 1-2 kɔnɔ pavement kɛnin kɔ, k’a sɔrɔ ɲagaminin kalaman be lɛrɛ 4-6 nɛnɛ ɲini. Nanan, sisi ni kasa dɔgɔyara kosɛbɛ — ɲagaminin funteni dɔgɔyali be bitumi funteni bɔli dɔgɔya ni 50% ni kɔ ye, o be baarakɛyɔrɔ fisaya jɔli baarakɛlaw fɛ ani ka nɔɔ dɔgɔya sigidaw kan minw be gɛrɛfɛ.

Musaka sangali: Taji musakaw dɔrɔn tɛ

Warm-mix yɛlɛmani nafa be se ka dɔgɔya ni taji marali dɔrɔn ye. Fɛɛn nunu be sɔrɔ sɔngɔw sangali dafanin na. A fɔlɔ, taji sɔngɔ — 30% ɲɔgɔn marali, o kɔrɔ ko 15-25 yuan ɲɔgɔn marali ɲagaminin tɔni kelen kelen bɛɛ la ni taji sɔngɔ ye sisan. A filanan, bitumen nɔrɔnan sɔngɔ — RAP caman donni b’a to bitumen kura baara be dɔgɔya, o be yuan 30-60 mara tɔni kelen kɔnɔ (o be kɛɲɛ ni RAP kɔnɔfɛnw ye ani bitumen sɔngɔ ye). A sabanan, sɔngɔ min be sɔrɔ sɔngɔ la — ka sɔngɔ kɔrɔw ta tugun RAP kɔnɔ, o be sɔngɔ minw san, k’u ta ani k’u gosi, u sɔngɔ ban. Nanan, karibɔni jago musakaw — karibɔni suguw la, 30% bɔli dɔgɔyali be yɛlɛma ka kɛ karibɔni juru ye min be se ka feere. Duurunan, boon lɔli ɲuman be tɔnɔ sɔrɔ — finɛtiriw be ɲɔgɔn minɛ ani fanga be yiriwa joona joona minkɛ, o be dɔ bɔ masinw ka baara wagati la. Ni an y’u bɛɛ lajɛ ɲɔgɔn fɛ, fɛn minw be ɲagami ni fɛn kalamanw ye, u sɔngɔ ka dɔgɔ ni fɛn minw be ɲagami ni fɛn gwansanw ye, o sɔngɔ ye 25-40% ye. O jatedenw tɛ tewori porozesiyɔnw ye — u basiginin lo musakaw sɛgɛsɛgɛli kan ka bɔ lɔli poroze yɛrɛ yɛrɛ caaman na.

Latigɛli kɛcogo: Tuma min na i ka ɲi ka Warm Mix sugandi, tuma min na Hot Mix bele be baara kɛ

Warm-mix yɛlɛmani tɛ bɛn koow bɛɛ ma. Koo naani b’a to mɔgɔw be se ka yɛlɛma yɛlɛma ni fɛnw ye minw be se ka yɛlɛma yɛlɛma: fɔlɔ, RAP hakɛ ka ca ni 40% ye — RAP donni yɛrɛ be ɲagami ni funteni dɔgɔman ye walisa ka bitumi kuru kɔrɔw ka ɲɔgɔn lajɛn kojugu; filanan, dugu siraw lɔli — fɛnɲɛnamafagalanw ni kasa dɔgɔyali tɛ nɔɔba to sigida kan; sabanan, sufɛ walima teliya porozew — finɛtiriw minw ka bon ani u be dayɛlɛ joona bolifɛnw kama; naaninan, poroze minw ka karibɔni dankariw ka gwɛlɛ — 30% ka fɛnw bɔli dɔgɔyali ye sariyaw labatoli nafaba ye. Ko fila minw na ɲagaminin kalaman be se ka jateminɛ hali bi: fɔlɔ, RAP kɔnɔfɛnw ka dɔgɔ ni 20% ye ni sɔngɔ yɛlɛmaniba ye — RAP donni dɔgɔman na, ɲagaminin kalaman farali sɔngɔ be se ka tɛmɛ taji marali kan; filanan, yɔrɔ minw na nɛnɛ ka ca kosɔbɛ — yɔrɔ minw na funteni be -30°C duguma, a be se ka gwɛlɛya hali bi ka ɲagaminin ɲagaminin gwansanw nɔrɔ ɲɔgɔn na. O bɛɛ la, siraw lɔli baara fanba la, ka fɛnw ɲagami ɲɔgɔn na ni fɛn gwansanw ye, o lo ka fisa ni fɛn gwansanw ye.