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Geotechnical Aspects of Pavement Engineering by Manjriker Gunaratne, Nishantha Bandara

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CHAPTER 1

INTRODUCTION TO PAVEMENT ENGINEERING

With the introduction of the Mechanistic-Empirical Pavement Design (MEPD) procedures, an emphasis on collecting reliable material property data has been seen in the recent past. This is due to the fact that, when properly calibrated performance models are used by specifying accurate material inputs, realistic pavement performance predictions can be obtained from the MEPD procedures. The majority of materials used above the subgrade of a pavement structure are engineered in nature, and hence they could be produced to specifications and tested for accurate material properties. However, in situ subgrade materials show considerable variability from point to point in terms of its engineering properties. ...

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