Letoto la webinar le tsoang ho National Asphalt Pavement Association le ikemiselitse ho totobatsa melemo ea thepa ena e ntseng e tsoela pele
Tšebeliso ea lithaere ke mokhoa oa ho fetola lithaere tsa khale kapa tse sa batleheng hore e be lintho tse ka sebelisoang lihlahisoa tse ncha.Hangata lithaere tsa ho qetela li fetoha batho ba ka sebelisoang hape ha li se li se li sa sebetse ka lebaka la ho khathala kapa ho senyeha 'me ha li sa khona ho hatakeloa kapa ho hloekisoa hape.
Ho ea ka indasteri ea lithaere, ho tsosolosa mabili ke pale e kholo ea katleho.Pokello ea lithaere tse lahliloeng e fokotsehile ho tloha ho bilione ka 1991 ho ea ho limilione tse 60 feela ka 2017 'me indasteri ea asphalt ke ntlha e kholo ea ho fokotsa palo ea lithaere libakeng tsa ho lahlela mobu.
Lisebelisoa tsa rabara ea fatše li entse karolo ea 25% ea tšebeliso ea lithaere tsa mabili ka 2017. Rabara e fatše e sebelisetsoa ho etsa lihlahisoa tse ngata empa tšebeliso e kholo ka ho fetisisa ea rabara ea fatše ke ea rabara ea asphalt, e sebelisang hoo e ka bang liponto tse limilione tse 220 kapa lithaere tse limilione tse 12 selemo le selemo.Basebelisi ba kholo ka ho fetisisa ba rabara ea asphalt ke litereke tsa California le Arizona, tse lateloang ke Florida, moo ts'ebeliso e lebelletsoeng ho hola le linaheng tse ling.
Recycled tire rabara (RTR) e tsoang lithaereng tse litšila e 'nile ea sebelisoa ka sekontiri ke indasteri ea ho penta ho tloha ka bo-1960.RTR e 'nile ea sebelisoa e le sekontiri se kopanyang asphalt le motsoako oa motsoako oa asphalt ka har'a motsoako oa sekontiri o nang le lekhalo le o bulehileng le phekolo ea holim'a metsi.
Rabara ea thaere e sebelisitsoeng hape ke rabara ea thaere e sebelisitsoeng hape e entsoeng ka likaroloana tse nyane haholo hore e sebelisoe joalo ka mofetoleli oa asphalt.Ho eketsa rabara ea tere ea fatše ho asphalt ho ka kenya letsoho ho ntlafatseng ho hanyetsa ha li-rutting, ho hanyetsa skid, boleng ba ho palama, bophelo ba tsela le ho fokotsa lerata la lerata.Ho eketsa rabara mokelikeli oa asphalt ho sitisa botsofali le oxidation ea binder e hlahisoang, e eketsang bophelo ba tsela ka ho fokotsa bofokoli le ho phatloha.
Ho tšoara le ho pshatla ha lithaere ke mokhoa o reriloeng ka hloko le ho hlokomeloa ho hlahisa thepa ea rabara e hloekileng le e tsitsitseng haholo.Rabara ea crumb e hlahisoa ka mokhoa oa ho sila lithaere tsa rabara ka likaroloana tse nyenyane haholo.
Nakong ea ts'ebetso, terata e matlafatsang lebili lia tlosoa.Tšepe e tlosoa ke makenete 'me fiber e tlosoa ka takatso.Ho lokisa lithaere ho sebelisa cryogenic fracturing ho kenyelletsa ho seha likotoana tse kholo tsa thaere ho li etsa likaroloana tse nyane, hangata tse 50 mm, ho sebelisa lithapo tse bohale tsa tšepe.Joale likotoana tsena tse nyane lia hoamisoa ebe lia robeha.Likaroloana tsa rabara lia siloa ebe li aroloa ka likaroloana tsa boholo bo fapaneng, joalo ka ha ho boletsoe ke moreki.Likaroloana tsa rabara tse hlahisoang li lula li le boholo ebile li hloekile haholo.Litsamaiso tsa mekotla tse ikemetseng li thusa ho netefatsa boima bo nepahetseng ba mekotla le ho felisa tšilafalo ea sefapano.
Mokhatlo oa National Asphalt Pavement Association (NAPA), o tla tšoara Moo Rubber Meets the Road Webinar Series lehlabuleng lena ka rabara ea mabili e tsosolositsoeng le asphalt.
Nako ea poso: Jun-19-2020