ọrụ nke ịnweta ntụ ntụ
1. Jupụta ngwakọta asphalt: A na-eji ya mejupụta oghere ahụ tupu ngwakọta asphalt wee belata ọnụ ọgụgụ efu tupu ngwakọta ahụ, nke nwere ike ịbawanye nchikota nke ngwakọta asphalt ma melite nguzogide mmiri na ịdịte aka nke ngwakọta asphalt. A na-akpọkwa iwu ịnweta mineral mgbe ụfọdụ dị ka ihe ndochi.

2. Iji mee ka ịdị n'otu nke bitumen dịkwuo mma: Ebe ọ bụ na ntụ ntụ ịnweta nwere ọtụtụ mineral, mineral dị mfe ijikọta ya na mkpụrụ ndụ asphalt, ya mere asphalt na ịnweta ntụ ntụ nwere ike imekọ ọnụ iji mepụta ciment asphalt, nke nwere ike ime ka adhesion nke ngwakọta asphalt dịkwuo elu.

3. Meziwanye ogo okporo ụzọ: Asphalt abụghị naanị na ọ na-adị mfe idozi, kamakwa ọ na-agbawa n'ihi okpomọkụ gburugburu ebe obibi na mmetụta ndị ọzọ. Ya mere, ịgbakwụnye ntụ ntụ ịnweta na-enyere aka melite ike na nkwụsi ike nke ngwakọta asphalt, ma nwee ike ibelata mgbawa na spalling nke pavement asphalt.

Kedu ihe kpatara na osisi asphalt na-agwakọta drum enweghị ike ịgbakwunye ntụ ntụ ịnweta?

A na-eme ikpokọta ikpo ọkụ na ngwakọta nke osisi asphalt na-agwakọta drum n'otu ụda ahụ, a pụkwara kewaa ime ime ahụ n'ime ebe ihicha na ebe a na-agwakọta. Ọzọkwa, a ga-etinyerịrị usoro mkpofu uzuzu na njedebe nke ntụgharị ntụgharị nke ikuku na-ekpo ọkụ, ya bụ, n'akụkụ nke ọzọ nke ọkụ ọkụ, n'ihi na ọ bụrụ na etinyere ya n'otu akụkụ, ifufe ga-ewepụ ọkụ ọkụ. ikuku na-asọba, ya mere, usoro mkpofu uzuzu nke osisi na-agwakọta ụdị drum asphalt A na-etinye ya na njedebe nke mpaghara na-akpali akpali. Ya mere, ọ bụrụ na a na-agbakwunye ntụ ntụ ịnweta na drum, nzacha akpa ahụ ga-ewepụ ntụ ntụ ịnweta dị ka uzuzu, si otú ahụ na-emetụta gradation nke ngwakọta asphalt. N'ịchịkọta, osisi agwakọta asphalt ụdị drum enweghị ike itinye ntụ ntụ ịnweta.