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From page 1...
... 1 CHAPTER 1. INTRODUCTION AND RESEARCH APPROACH 1.1 INTRODUCTION Under National Cooperative Highway Research Programs (NCHRP)
From page 2...
... 2 1.1.1 Problem Statement AASHTO Standard Test Methods applicable to highway materials require periodic studies to determine estimates of precision. Some precision estimates become outdated as a result of improvements in the methods while other estimates need to be verified to see if they are still accurate.
From page 3...
... 3 analysis. The details of the Hot-Mix Asphalt Design (HMD)

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