He ʻano ʻano asphalt kū i ka deformation, kūpono no nā alanui me ke kaʻa kaumaha. Ua hoʻohana ʻia i nā papahana mokulele i nā makahiki i hala iho nei. ʻO Stone Mastic Asphalt (SMA) kahi hui ʻāpala wela e loaʻa ana ka 70-80% coarse aggregate, 20-30% fine aggregate a me 6-7% high bitumen. Ua hoʻomohala ʻia ma Kelemānia i ka makahiki 1960 a ua hoʻohana mua ʻia ma Kiel, Kelemānia.
Ma muli o ka paʻapū o ka ʻōpala i loko o ka hui ʻana, loaʻa nā āpau ma waena o nā aggregate. Hoʻopiha ʻia kēia mau āpau me ka mortar mastic (ʻili maikaʻi, hoʻopiha, polymer modified bitumen, cellulosic fiber).
NA KULANA O KA HANA
Pono e hoʻomehana ʻia ka bitumen a me ka mineral aggregate ma kahi haʻahaʻa haʻahaʻa o 175 °C (degere) a me ka kiʻekiʻe o 190 °C (degere).
Mea kanu: Pono e loaʻa iā ia nā mea hana e hānai maʻalahi i ka fiber additive a me ka mea hoʻopihapiha i ke kaumaha i manaʻo ʻia.
Pono e mālama ʻia ka hui wela i hoʻomākaukau ʻia i loko o kahi bunker asphalt wela me ka hoʻomehana a me ka insulation.
ʻO ka paʻa ʻana o ka hui ʻana i loko o ka bunker asphalt wela i loko o kekahi manawa.
Ke hāʻawi ʻia ka hui wela i ka paver, pono ka mahana o ka ea ma lalo o 10 °C a ʻo ka wela o ka hui ʻana he 170 ° C ka liʻiliʻi.
Ma muli o ka nui o ka nui o ka ʻāpana koʻikoʻi (koe ma ka ʻaoʻao No.4) i ka hoʻolālā hui ʻana, ʻoi aku ke kiʻekiʻe o ka haʻawe amo ma mua o ka asphalt bituminous dense graded i ka hoʻonui ʻia ʻana o ka pilina o ka pōhaku me ka pōhaku.
ʻO ka maʻamau, hoʻohana ʻia ka basalt a i ʻole nā mea like like me ka silica kiʻekiʻe, no laila ke kiʻekiʻe ka pale ʻana i ka abrasion.
Hōʻike nā haʻawina e ʻoi aku ka kūleʻa o SMA ma mua o ka asphalt bituminous ma ke ʻano o ke ʻano o ka ʻili a me ka pale paheʻe.
No ka mea, ʻoi aku ka nui o ka bitumen i hoʻololi ʻia ma mua o ka asphalt bituminous, ʻoi aku ka pale ʻana i nā māwae wela.
Pēlā nō, ʻoi aku ka kiʻekiʻe o ke kūʻē ʻana i nā māwae luhi.
Hāʻawi ia i ka hoʻokele mālie a ʻoi aku ka ʻoluʻolu ma muli o kona ʻano mastic.
ʻĀpana hoʻohui fiber pili no ka hana ʻana i ka asphalt mastic pōhaku
Hoʻolālā ʻia nā mea kanu asphalt mana no ka hana ʻana i nā pōhaku mastic asphalt a loaʻa iā mākou kahi module i loko o kā mākou ʻōnaehana polokalamu. Hoʻopuka pū mākou i ka cellulose dosing unit.Me kā mākou limahana akamai, hāʻawi mākou ʻaʻole kūʻai mea kanu wale nō, akā ke kākoʻo hana ma hope o ke kūʻai aku a me ka hoʻomaʻamaʻa limahana.