CONTENTS
Foreword vii
Pavement Working Platforms Constructed with Large-Size Unconventional Aggregates
Hasan Kazmee, Erol Tutumluer, and Sheila Beshears 1
Optimizing Stability and Stiffness Through Aggregate Base Gradation 12
W. James Wilde, Erol Tutumluer, Yuanjie Xiao, Terry Beaudry,
and John Siekmeier
Influence of Unbound Material Type and Input Level 21
on Pavement Performance Using Mechanistic-Empirical
Pavement Design Guide
Ragaa Abd El-Hakim, Sherif M. El-Badawy, Alaa R. Gabr,
and Abdelhalim M. Azam
Validation of Long-Term Pavement Performance Prediction Models 29
for Resilient Modulus of Unbound Granular Materials
Haithem Soliman and Ahmed Shalaby
Experimental Study on Mechanical and Degradation Characteristics 38
of Crushed Rock Aggregate
Pengcheng Wang, Jiankun Liu, Zeye Tian, and Xu Li
Characterizing Permanent Deformation of Silty Sand Subgrades by Using a Model Based on Multistage Repeated-Load Triaxial Testing Farhad Salour, Mohammad Shafiqur Rahman, and Sigurdur Erlingsson 47
Use of Oedometer Equipped with High-Suction Tensiometer to Characterize Unsaturated Soils
Xiong Zhang, Haijun Lu, and Lin Li 58
Factors Affecting Critical Shear Stress of Scour of Cohesive Soil Beds 72
Reza Rahimnejad and Phillip S. K. Ooi
Correlation of Consolidation Parameters of Cohesive Soils 81
with Piezocone Penetration Test Data
Murad Y. Abu-Farsakh, Rohit Raj Pant, and M. Nafiul Haque
Permittivity Characterization of Unbound Granular Pavement
Materials with a Modified Free-Space Approach 93
Wayne B. Muller