Kutanga, shandisa 28 padenga × 35mm ukobvu semende yekuyera.

Gadzira jira rekutanga retaira yeasphalt, nechinamira chakatarisa kumusoro, wochigadzira zvakananga padenga riri pasi pedenga. Pamugumo mumwe wekona pamudzi wemadziro, jira rekutanga retaira yeasphalt rinosvika 5 kusvika 10 mm. Gadzira pasi nechipikiri 50.8 mm kubva pasi pemativi ese uye 25.4 mm kubva parutivi, wobva waisa zvakaenzana munzira yakatwasuka pakati pezvipikiri zviviri. Isa zvipikiri zviviri wobata mutsetse wakatwasuka.

Isa jira rekutanga retaira yeasphalt, pukuta 167mm yejira rekutanga retaira yeasphalt, wobva waisa jira rese reasphalt. Isa chidhinha chekutanga cheasphalt pamucheto wemadziro nemucheto wejira rekutanga reasphalt padivi pecornice. Gadzirisa nezvipikiri pa60.8mm kubva kumativi ese kusvika pasi uye 35.4mm kubva padivi, wobva waisa zvimwe zvipikiri zviviri munzira yakatwasuka yezvipikiri zviviri wobva wacheka mutsetse wakatwasuka.

Isa jira rechipiri retaira yeasphalt. Rutivi rwechikamu chekutanga chezvidhinha zvakatarisana neasphalt rwechikamu chechipiri rwakatenderedzwa nehafu yeshizha kubva kurutivi rwechikamu chekutanga chezvidhinha zvakatarisana neasphalt. Pasi pechikamu chechipiri chetaira yeasphalt pakanyatsokwenenzverwa nepamusoro pejoinhi yekushongedza yechikamu chekutanga chetaira yeasphalt. Shandisa mutsetse wakatambanudzwa wakatsemurwa pachikamu chekutanga chetaira yeasphalt kuti pasi pechikamu chechipiri chetaira yeasphalt rienderane necornice, uye gadzirisa chikamu chechipiri chetaira yeasphalt nezvipikiri.

Isa jira rechitatu retaira yeasphalt, cheka banga rese rejira rekutanga retaira yeasphalt yechikamu chechitatu chetaira yeasphalt, ritenderedze nejira rekutanga retaira yeasphalt yechikamu chechipiri chetaira yeasphalt, gadzira mupendero wepasi wechikamu chechitatu chetaira yeasphalt uchikwesha nepamusoro pejoin yekushongedza yechikamu chechipiri chetaira yeasphalt, wobva waisa woigadzirisa zvakatevedzana nechikamu chose chechitatu chetaira yeasphalt.

Gadzira mataira easphalt pagomba remvura. Mataira easphalt ematenga anosangana anofanira kuiswa pagomba remvura panguva imwe chete, kana kuti divi rega rega rinofanira kugadzirwa rakaparadzana, uye rinofanira kuiswa kusvika 75mm kubva pakati pegomba remvura. Wobva wagadzira tangi reasphalt remvura mudenga uchitevedza rimwe remaeve edenga wobva watambanudza pamusoro pegomba, kuitira kuti tangi reasphalt rekupedzisira regomba remvura riwedzere kusvika padenga riri pedyo kweinenge 300 mm, wobva wagadzira tangi reasphalt remvura mudenga riri pedyo wobva wawedzera kusvika pagomba remvura netangi reasphalt remvura rakamboiswa, iro rinofanira kurukwa pamwe chete. Tile yeasphalt yemvura inofanira kusimbiswa zvakasimba mugomba, uye tangi reasphalt remvura rinofanira kusimbiswa nekugadzira nekuvhara gomba.

Pakuisa mataira easphalt ari paridge, tanga wagadzirisa zvishoma mataira easphalt akati wandei ekupedzisira akaiswa kumusoro pamusoro penzvimbo mbiri dzekumusoro dzeridge dzakatsveyama neridge, kuitira kuti mataira easphalt ari paridge afukidze zvakakwana mataira easphalt ari pamusoro, uye hupamhi hwema ridge ari kumativi ese eridge huve hwakafanana. Mushure mekunge chipikiri chagadziriswa, penda tile yeasphalt yakaratidzwa neasphalt glue.