E ʻoki kākou i ka hahai ʻana: ʻaʻole ia he "mea maikaʻi ke loaʻa" ke koho ʻē aʻe o ka hale hana hui ʻalapa kuʻuna; ʻo ia ke ala wikiwiki loa e hoʻohaʻahaʻa i nā bila halihali, nā papa hana paʻa, a me nā mea kūʻai aku kūlanakauhale hauʻoli. Eia nō naʻe, nui nā mea kuhi e noʻonoʻo nei inā paha e holo pono ana ka lele ʻana mai ka paʻa a i ka lawe lima. Ka makaʻala: ʻaʻole wahaheʻe nā helu, a ʻaʻole hoʻi nā lua i hoʻoponopono ʻia i ka hapalua o ka manawa.
E noʻonoʻo i kēia—ke hoʻoponopono nei ʻoe i kahi alaloa kuaʻāina ma kahi o 80 km mai ka hale hana paʻa kokoke loa. ʻO kēlā me kēia kalaka ukana o 160 °C mix e nalowale ana ma kahi o 7 °C i kēlā me kēia hola o ka hele ʻana. I ka manawa e holo ai ka poʻe hana paving, ke hoʻowalewale nei ʻoe i nā mahana hōʻole a me ka "tear-out-relay" weliweli. Hoʻopau kahi ʻāpana kelepona i kau ʻia ma kahi i kēlā pilikia a, ma kā mākou helu hope loa, mālama i kahi 14 USD no ka tonne i nā uku hoʻomehana hou a me ka lawelawe hou ʻana. E hoʻonui i kēlā me 15 000 t no kahi hana resurfacing waena a ua uku wale ʻoe i ka hoʻolimalima lako o ka hapaha e hiki mai ana.
E nānā i nā wāwae pelu hydraulic a me nā ʻāpana kauō e kūkulu ponoʻī ana. Inā ʻōlelo ka mea hana "30-minuke deployment," e noi no kahi wikiō time-lapse. ʻO nā rigs maikaʻi loa a mākou i nānā ai ua paʻi i 28 mau minuke, me ka calibration. ʻO kēlā me kēia mea ma luna o 45 mau minuke e ʻai i loko o kāu puka makani hana i kēlā me kēia lā.
ʻO nā mea puhi diesel nā nūhou o nehinei. ʻAe nā hiʻohiʻona hanauna hou i ka ʻaila kaumaha a me ka LNG, e hōʻemi ana a hiki i ka 0.8 L no ka tona o ka hui ʻana. Ma ʻEulopa, ua hōʻemi kēlā hoʻololi hoʻokahi i ka €70 000 mai kahi papahana 50 kt—ua lawa ia e hoʻolilo i kāu CFO i ʻakaʻaka e like me kona kau bonus.
ʻO kahi wili hāmare mini i hoʻokomo ʻia i loko o ka hopper hānai e hiki ai iā ʻoe ke hoʻolei i ka 100% o ka pavement asphalt recycled me ka ʻole o ka hana mua ʻana. ʻO ka hopena net? Hoʻopaʻa ʻoe i ka uku puka lua pōhaku a haʻaheo e pili ana i ka 40% o nā mālama kālā puʻupaʻa ma ka hōʻike hoʻomau. Maʻemaʻe, ʻeā?
ʻO ke kānāwai maʻamau: e hoʻohālikelike i ka hoʻopuka hola i ka wikiwiki o ka paver. ʻO kahi screed 10-ft (3 m) e neʻe ana i 16 ft min⁻¹ (5 m min⁻¹) ma 2 in (50 mm) ka mānoanoa e ale ana ma kahi o 110 th⁻¹. E koho i kahi pahu lawe lima 120 th⁻1 a loaʻa iā ʻoe kahi buffer 10% no nā micro-stops. E hele nui a puhi ʻoe i ka wahie keu e amortizing ana i kēlā hōʻailona ʻālohilohi 160 th⁻1.
ʻO nā hale ʻeke ma nā mea kanu lawe lima ma mua—pehea lā wau e kau ai i kēia—he manaʻo ma hope. I kēia lā, hiki i kahi mea hana hui ʻakipale lawe lima me kahi ʻeke aramid 550 gm⁻² a me kahi peʻahi i hoʻokele ʻia e VFD ke paʻi i ka 20 mg Nm⁻³ particulate me ka ʻole o ka puff. Bonus: ʻo ka peʻahi wikiwiki-hoʻololi e hōʻemi i ka uila e huki i 30% ma nā hoʻololi hapa-uku. ʻAʻole ia he fluff marketing; ua hoʻopaʻa mākou i 2 400 mau hola hana ma Arizona a lanakila i ka palena EPA ma 40%.
ʻO nā palapala ʻae ka mea pepehi leo ʻole. Hoʻokaʻawale nā mokuʻāina e like me Kaleponi i kahi trailer 45-ft (13.7 m) ma ke ʻano he "oversized" inā ʻoi aku ke kaumaha o ke axle ma mua o 20 000 lb (9 072 kg). Hiki i hoʻokahi counterweight i nalowale ke hoʻonui i ke kumukūʻai o kāu convoy ma 3 000 USD no kēlā me kēia laina mokuʻāina. E noi i ka OEM no kahi pepa kaumaha "dot-legal" ma mua o kou kau inoa ʻana i ka PO. E hilinaʻi mai iaʻu, ʻaʻole ʻoe makemake e hoʻopaʻapaʻa me kahi mākaʻi alaloa i ka hola 5 am
Ua kūkulu mākou i kahi kumu hoʻohālike pahu one no kahi ʻoihana alanui kalana i hoʻoneʻe i 22 000 t i kēlā me kēia makahiki. Ke hoʻololi nei mai ka hui wela i kūʻai ʻia (@ 95 USD t⁻¹ i hāʻawi ʻia) i ka hana kelepona ma kahi (@ 62 USD t⁻¹) i hana ʻia:
E hoʻohui i kahi hōʻaiʻē ʻauhau kalapona makahiki he 3% no ka hoʻohana ʻana i ka 35% RAP a aneane uku ka mīkini nona iho i ʻelua manawa.
"ʻO ke kiʻi lawe lima, ua like ia me ka palupalu." ʻAʻole hou. Hoʻohana nā mōlina hybrid Kina/ʻEulopa i kūʻai nui ʻia i ke kila Q355D 16 mm me nā wili robotic. Unuhi: 30 000 h ke ola hoʻolālā ʻoiai ma hope o 1 000 km neʻe ʻana. E pili i ka papa hana lube OEM a pono ʻoe e hoʻololi i ke kāʻei conveyor i kēlā me kēia 3.5 kau—e like me kahi ʻāpana paʻa.
ʻO nā HMI hou he mau iPad me ke kumumanaʻo asphalt. Ua hoʻomaʻamaʻa mākou i ʻehā mau mea hoʻohana ma Alberta i hoʻokahi hopena pule; i ka Pōʻakahi, ua hana lākou i 2 300 t o 19 mm Superpave me ka ʻole o nā hiccups air-void. ʻO ke aʻo? Mai ʻae i ka "piʻo aʻo" e hoʻopaʻa iā ʻoe i ke kupua static kahiko.
ʻO Telematics ka heihei kaua aʻe. Hiki i kahi mea hana hui asphalt i hoʻopili ʻia i ke ao ke hoʻokuke i nā mahana hui, nā tona i kēlā me kēia hola, a me ka nui o ka wahie i ke kelepona o kāu luna papahana i kēlā me kēia 60 kekona. Ua hoʻokuʻu mua kekahi mau mea inikua i 5% mai nā uku lako inā ʻoe e kaʻana like i kēlā ʻikepili—kālā manuahi no ke kaomi ʻana i ka "ʻae."
Inā ʻoi aku ka nui o kāu hana alanui makahiki ma mua o 20,000 tone a ʻoi aku ka mamao o ka halihali ma mua o 40 km a i ka hapalua o ka manawa, ʻaʻole wale kahi hale hana hui ʻalapaʻa he mea maʻalahi—he ʻauwaha hoʻokūkū ia. E holo i nā helu, e hoʻopaʻa i ke kālā maʻalahi, a e nānā i kāu mau noi e hāʻule ana ma 8-12% ʻoiai e momona ana kāu mau waiwai. ʻO ka mihi wale nō a ka hapa nui o nā mea nona ka ʻōlelo? ʻAʻole lākou i huki koke i ke kumu.