Tarmacadam, tam sim no luv luv rau tarmac, yog txoj kev nto tsim los ntawm Edgar Purnell Hooley hauv xyoo 1902. Tarmac yog sib tov ntawm macadam (crushed pob zeb) tar, thiab xuab zeb.
Puas yog tarmac tib yam li asph alt?
Tarmac, luv luv rau tarmacadam, yog tsim thaum ib txheej ntawm cov pob zeb crushed los yog aggregate yog coated thiab tov nrog tar. … Thaum asph alt yog ib qho zoo sib xws rau tarmac, nws yeej muaj cov khoom siv sab nraud tsawg dua, ua rau nws hnav me ntsis. Ob qho tib si asph alt thiab tarmac yog siv rau kev tsav tsheb, pavement thiab txoj kev nto.
Dab tsi yog qhov txawv ntawm Bitmac thiab asph alt?
Asph alt yog tsim los ntawm kev sib xyaw ntawm cov khoom sib xyaw nrog cov bitumen kom khi lawv ua ke, txawm hais tias qhov sib txawv loj ntawm qhov no thiab bitmac yog uas bitmac muaj ntau ntau xuab zeb thiab muab tub lim.
Yuav ua li cas kim dua tarmac lossis asph alt?
Yam khoom twg pheej yig dua? Rau qhov chaw me me, asph alt yog me ntsis kim dua tarmac. Txawm li cas los xij, nws tseem hnyav dua, ua rau nws tiv taus ntau yam huab cua uas nyob rau lub sijhawm ntev, ua rau cov khoom siv tau zoo dua.
asph alt yog dab tsi?
Asph alt, dub lossis xim av roj av-zoo li cov khoom uas muaj qhov sib xws ntawm cov kua nplaum mus rau cov khoom iav. Nws yog tau los ntawm ib tug residue los ntawm distillation ntawm roj av los yog los ntawm tej yam ntuj tso deposits. Asph alt muaj cov ntsiab lus ntawm hydrogen thiab carbon nrog me meproportions ntawm nitrogen, sulfur, thiab oxygen.
