Design method of stable asphalt recycled aggregate layer
A technology of recycled aggregates and design methods, which can be applied to cohesive pavements, roads, roads and other directions paved on site, and can solve the problems of inability to realize integrated control of rutting and low input costs
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[0064] The design method of the asphalt-stabilized recycled aggregate layer of the present invention, the specific method process reference figure 1 ,Specific steps are as follows.
[0065] Step 1: Determine the pavement structure combination and thickness.
[0066] (1) Traffic analysis
[0067] For the design of a new expressway, the average daily traffic volume and representative vehicle models in the first year of operation are shown in Table 1.
[0068] Table 1 Traffic volume and vehicle composition in 2013
[0069]
[0070] The combination design of the pavement structure takes the standard axle load of 100kN on the single axle of the double-wheel set (BZZ-100), and converts various axle loads into standard axle loads. The results are shown in Table 2 and Table 3:
[0071] Table 2 Axle load conversion result table (deflection)
[0072]
[0073] Table 3 Axle load conversion results (bottom tensile stress of semi-rigid base layer)
[0074]
[0075] According t...
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