Mixed Mix-Graded Mixes
Ichi chinopisa asphalt mix ndiyo inowanzosanganiswa inoshandiswa nokuti inogona kupa zvinhu zvisingaoneki zvigaro izvo zvinobvumira mvura kutiza kubva panzvimbo.
Zita racho rinobva kuhuwandu hunoshandiswa huchishandiswa panguva yekubatanidza zvinhu zvakagadzirwa kuti zvive nea asphaltic yakagadzirwa. Iyo inogonawo kugoverwa seyakanaka-yakavharidzirwa kana yakawanda-yakawanda, zvichienderana nehuwandu hwemazana ezvigadzirwa mumagumo ekupedzisira.
Iyi yakashambadzi yakakosha pamamiriro ese emigwagwa uye inobatsira zvikuru pasi pemaitiro ehurongwa, kukakavadzana, uye kukwira uye kugadzirisa zvido.
Matric Matrix Asphalt
Iyi kusanganiswa yakagadzirwa kuti kuwedzere kurwisa kusimba uye kuva nekusimba kukuru. Pamusana pekugadzira kwekugadzira, iyi asphalt mix inodhura kupfuura inowanzosanganiswa yakawanda-yakawanda. Iyo yakagadzirirwa yakabva pane yakakwirira yea asphalt, yakashandurwa asphalt binder, uye fiber. Iyi sephasi yakashandiswa kubvira muna 1980 uye inogona kushandiswa mumigwagwa yakawanda uye driveway applications.
Pamusana pemari yepamusoro, inokurudzirwa kushandiswa pamwero mukuru wepamusoro migwagwa yepamusoro kuti uwane rubatsiro kubva pakugara kwayo nekutsungirira.
Ichawedzerawo kuchengetedzwa kwevatyairi pamusana pekukakavadzana kunokonzera maitiro nematairi; iyo ichaitawo kuti kuderedza dambudziko redu uye kuderedza kufungidzika kwekuita.
Mineral fillers uye additives zvinoshandiswa kuderedza asphalt binder kuderedza-pasi panguva yekuvaka paunowedzera huwandu hweasphalt binder hunoshandiswa mukusanganiswa uye kuvandudza kusanganiswa kusanganiswa.
Masanganisi Akavhenekerwa
Misiyano kubva kumakwi maviri ekutanga nemakanganiswa akazaruka ndiwo unhu hwekudzivirira. Izvi zvinopisa zvinokonzerwa neasphalt zvakagadzirirwa chete nedombo rakapwanyika uye shoma shoma jecha riri mumusanganiswa. Pane zvikamu zviviri zvakakosha zvekutsvaga uku:
- Kuvhiringidzika kwakasununguka-Kosi yeAv void ine zvigadziri zviduku zvinokwana 15%, uye hapana huwandu hwemhepo huripo huwandu hunotsanangurwa . Iyi kusanganiswa inongoshandiswa chete pamadziro emvura. Iyo inotonhora yakareba kupfuura iyo yakaoma-yakawanda. Mari yaro yakaderera yekugadzirisa inopesana nemari yakawanda yekuibudisa. Zvisinei, iva nechokwadi chokuti hausi kuvhara kana kuvhara ma pores sezvo chiito ichi chinoderedza zvakadzama uye chinoshora mararamiro asphalt nekusimudzira.
- Asphalt yakabata zvigadziri zvinoshandiswa - Inoshandiswa chete pasi pepakati-yakafukidzwa, kugoverwa nemabwe kana portland simenti krete yekudonha. Iyo inoshandiswa kumigodhi yemvura pasi pemvura yakawanda, marani, kana Portland samende krete.
Mazano Okuvakira Asphalt Placement
Iye zvino kuti iwe unoziva hukuru hutatu hwema-asphalt, unofanirwa kuziva nezano rinotevera panguva yekuvaka. Kutanga, zvose zvinopisa zvinoshandiswa zvinoshandiswa kubva kune chimwe chirimwa chiri pedyo kunzvimbo yebasa, uye kunowedzera zviri nani kuchengetedza usana hwakanaka.
Iva nechokwadi chekuwedzera chimwe chisina petroleum yakagadzirwa mumutoro wako kuti urege kusanganiswa kubva pakanamatira kusvika pamota. Inokurudzirwa kugadzirira nzvimbo isati yaisa mutsva weAsphalt musanganiswa nekukanda nzvimbo yacho.
Iyo nzira ichabvisa nzvimbo yekare apo ichizopa kubata kwakanaka nzvimbo yekuti hutsva hutsva hweasphalt huiswe. Chimwe chekubatsira kwekuchera ndeyekuti inobvumira mvura kuti iyerere zvakanaka kuti igadzire uye igadziriswe nekuchengetedza zviratidzo zvekunyura kwemugwagwa nemugwagwa.
Izvo zvinokonzerwa nekugadzirisa zvinoda kuve zvakanyatsoitwa kuti zvidzivise kupera kwekugadzirisa uye inofanira kutanga apo kusanganiswa kuchiri kunopisa nemigumisiro yakanaka. Shandisa pneumatic or steel rollers nemigumisiro yakanaka. Iva nechokwadi chekutarisa sean asltlt usati wanyora kuti usarudze kana kana kuti kwete motokari inogona kubvumidzwa panzvimbo yepasi.