He mea nui nā mea kanu ʻasphalt no ke kūkulu ʻana a me ka mālama ʻana i nā alanui, nā alaloa nui, a me nā papahana ʻē aʻe. Hoʻopuka kēia mau mea kanu i ka ʻasphalt, kahi hui ʻana o ka aggregate (e like me ke one a i ʻole ke one) a me ka sima ʻasphalt, i hoʻohana ʻia ma ke ʻano he mea hana alanui. Inā ʻoe e noʻonoʻo ana e kūʻai a hoʻolimalima paha i kahi mea hana ʻasphalt, ʻo kekahi o nā nīnau mua e hiki mai ana i ka noʻonoʻo: ʻehia ke kumukūʻai o kahi mea hana ʻasphalt?
Hiki ke ʻokoʻa nui ke kumukūʻai o kahi hale hana ʻakipa ma muli o kekahi mau kumu. ʻO kēia mau mea ke ʻano o ka hale hana, kona hiki, ka ʻenehana i hoʻohana ʻia, a inā he ʻāpana paʻa a paʻa paha. E wāwahi kākou i kēia mau kumu e loaʻa ai kahi kiʻi maopopo.
ʻElua ʻano nui o nā hale hana ʻasphalt: nā hale hana batch a me nā hale hana drum . Hana nā hale hana batch i ka ʻasphalt ma nā batches, e ʻae ana i ka maʻalahi o ka hoʻolālā ʻana i nā hui, ʻoiai nā hale hana drum e hana mau i ka ʻasphalt. ʻOi aku ka maikaʻi o ke kumukūʻai a me ka pono o nā hale hana drum akā he mau palena paha ia e pili ana i ka hoʻopilikino ʻana.
Ua ana ʻia ka mana hana o kahi hale hana asphalt ma nā tone i kēlā me kēia hola (tph). Hiki i nā hale hana ke ʻano like ʻole mai nā ʻāpana liʻiliʻi a lawe lima e hana ana i 50 tph a i nā hale hana nui a paʻa e hiki ke hana i 500 tph a ʻoi aku paha. ʻOiaʻiʻo, ʻoi aku ke kumukūʻai o nā hale hana me ka mana kiʻekiʻe.
Ua hoʻolālā ʻia nā hale hana ʻasphalt mobile no nā papahana kūkulu manawa pōkole a hiki ke lawe maʻalahi ʻia mai kekahi wahi a i kekahi. He kūpono kēia no nā mea hana ʻaelike e hana ana ma nā wahi he nui. ʻO nā hale hana paʻa, ma ka ʻaoʻao ʻē aʻe, he mau hale paʻa a ʻoi aku ka maikaʻi no nā papahana nui a lōʻihi. ʻOi aku ka maʻalahi o ke kumukūʻai o nā hale hana mobile ma mua akā hiki ke loaʻa nā kumukūʻai halihali hou aʻe.
Loaʻa pinepine nā hale hana ʻasphalt hou i nā hiʻohiʻona holomua e like me nā ʻōnaehana kaohi haumia, nā mea puhi ikehu, a me nā ʻenehana automation. ʻOiai e hoʻomaikaʻi ana kēia mau hiʻohiʻona i ka pono a me ka mālama ʻana i nā lula kaiapuni, hoʻonui pū lākou i ke kumukūʻai mua o ka hale hana.
I kēia manawa, e luʻu kākou i nā kumukūʻai maoli. Hiki ke ʻokoʻa ke kumukūʻai o kahi hale hana asphalt mai$50,000 no kahi ʻāpana liʻiliʻi a lawe lima i $500,000 a ʻoi aku paha no kahi hale hana nui a paʻa me nā hiʻohiʻona holomua. Aia ma lalo kahi wehewehe laulā o ka mea āu e manaʻo ai e uku:
ʻOiai he lilo nui ke kumukūʻai kūʻai mua, aia kekahi mau kumukūʻai ʻē aʻe e hoʻomanaʻo ai i ka wā e hana ana i kahi hale hana asphalt.
He mea nui ka mālama mau ʻana e hōʻoia i ka holo pono ʻana o ka hale hana a hoʻolōʻihi i kona ola. ʻO nā kumukūʻai e komo pū me ka hoʻololi ʻana i nā ʻāpana, ka hana, a me nā nānā maʻamau.
Pono nā hale hana ʻasphalt i ka nui o ka wahie e hana ai, hiki ke hoʻonui ʻia i ka hala ʻana o ka manawa. Hiki i nā hiʻohiʻona mālama ikehu ke kōkua i ka hōʻemi ʻana i kēia mau kumukūʻai i ka wā lōʻihi.
Inā ʻoe e kūʻai ana i kahi hale hana lawe lima, pono e noʻonoʻo ʻia nā kumukūʻai halihali ma waena o nā wahi. No nā hale hana paʻa, hiki ke nui nā kumukūʻai hoʻonohonoho.
Me ka nui o nā koho i loaʻa, hiki ke paʻakikī ke koho ʻana i ka hale hana asphalt kūpono. Eia kekahi mau ʻōlelo aʻoaʻo e kōkua iā ʻoe e hoʻoholo i kahi hoʻoholo naʻauao:
He hoʻopukapuka kālā koʻikoʻi ke kūʻai ʻana i kahi hale hana asphalt, akā hiki ke lilo i mea waiwai nui inā koho ʻoe i ke kumu hoʻohālike kūpono no kāu mau pono. Ma ka hoʻomaopopo ʻana i nā mea e hoʻohuli i ke kumukūʻai a me ka noʻonoʻo pono ʻana i kāu mau koho, hiki iā ʻoe ke hana i kahi hoʻoholo naʻauao e kākoʻo ana i ka holomua o kāu kūkulu ʻana a i ʻole nā papahana ʻoihana.