Shaping of road troughThe key point in shaping of road trough is to properly control elevation and survey the elevation and centerline frequently. At the point near designed elevation, make marks to control the elevation and shape with grader with the aid of bulldozer and labor. Finally, shape the road trough once according to acceptance standard.Spoil disposal principleSubmit spoil disposal plan to relevant unit for approval before implementation. The plan will cover spoil disposal method, transportation plan, spoil disposal place, spoil form, slope toe reinforcement, drainage system layout, scheduling, environmental protection measures, etc.).Pavement constructionSoil & stone base courseConstruction process: test→paving→leveling→rolling compaction→curingMaterial requirementsThe crushed stones shall account for 64% of soil and stone for base course, and have particle size up to 10 cm and thickness not lower than 30 cm.The mixture for base course is mixed centrally at material yard by mechanical means. After mixing, the mixture shall be uniform, free from segregation of fine and coarse aggregate and contain acceptable water content.
đang được dịch, vui lòng đợi..