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Published byDenis Harris Modified over 9 years ago
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Example 3: Determination of M r = 3/8
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Example 4: Pavement Thickness Given M r = 10,000 psi (69 MPa) and ESAL = 10 6, design the thickness of a pavement with a HMA surface over a type-II emulsifies asphalt base Combined thickness = 10.5 inch (267 mm)
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Cont. Example 4: Pavement Thickness Calculate the minimum HMA thickness = 3 inch Calculate the thickness of emulsified asphalt base = 10.5 -3 = 7.5 inch Traffic Level ESAL Type II and III mm(in.) 10 4 50(2) 10 5 50(2) 10 6 75(3) 10 7 100(4) >10 7 130(5) Minimum Thickness of Asphalt Concrete Over Emulsified Asphalt Bases Subgrade base Surface 3 in 7.5 in
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Considered as a cold mix asphalt = Fine aggregate + Emulsion
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Marshall Method- Numerical Example
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