Pavement Design for Carriageway Construction
Pavement Design for Carriageway Construction
Pavement Design for Carriageway Construction
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CONTENTS1. INTRODUCTION 4Page2. BACKGROUND 43. SELECTION OF PAVEMENT TYPE 53.1 General 53.2 Relative Advantages of Rigid <strong>Pavement</strong> in comparison with 6Flexible <strong>Pavement</strong>3.3 Overriding Factors 73.4 Situations where Rigid <strong>Pavement</strong> may be Preferred 74. FOUNDATION DESIGN 84.1 General 84.2 In-situ Subgrade Properties 84.3 Subgrade Treatments 94.4 Sub-base 105. DESIGN OF FLEXIBLE PAVEMENT 115.1 <strong>Pavement</strong> Model 115.2 <strong>Design</strong> Criteria 115.3 <strong>Design</strong> Life 125.4 Traffic Load 12(a) Commercial Vehicle Forecast(b) Commercial Vehicle Damage Factors(c) Distribution of Commercial Vehicles among Lanes(d) Lateral Wander(e) Step-by-step Calculation of <strong>Design</strong> Traffic Load5.5 Properties of Bituminous Materials 175.6 Structural <strong>Design</strong> 175.7 Composition and Thickness of Bituminous Layers 185.8 Selection of Surfacing Material 185.9 <strong>Design</strong> <strong>for</strong> Low-volume Road 19RD/GN/042 <strong>Pavement</strong> <strong>Design</strong> <strong>for</strong> <strong>Carriageway</strong> <strong>Construction</strong> Page 1 of 42
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