Onsite Use of Recycled Asphalt Pavement Materials and Geocells to ...

Table of Contents
Acknowledgments vii
Disclaimer xiii
Chapter 1 Introduction 1
1.1 Background 1
1.2 Problem Statement 2
1.3 Research Objective 3
1.4 Research Methodology 3
1.5 Organization of Report 4
Chapter 2 Literature Review 5
2.1 Geosynthetics 5
2.1.1 Basic Functions 5
2.1.3 Geocell and its Application in Road Construction 8
2.2 Recycled Asphalt Pavement Materials 12
2.2.1 Sources and Applications 12
2.2.2 General Characteristics of RAP 15
(Source: U. S. Department of Transportation, FHWA-RD-97-148) 19
2.2.3 Performance of RAP Base Materials 19
2.3 Summary of Past Studies 21
3.1 Base Course 23
3.2 Subgrade 25
3.3 Asphalt Concrete 27
3.4 Geocell 27
3.5 Geotextile 29
3.6 Test Devices and Instrumentation 30
3.6.1 Earth Pressure Cells 31
3.6.2 Strain Gauges 32
3.6.3 Displacement Transducers and Tell-Tales 34
3.6.4 Data Acquisition 35
3.6.5 MTS Loading System 36
3.6.6 Vane Shear Test 38
3.6.7 Dynamic Cone Penetration Test 39
3.6.8 Light Weight Deflectometer Test 40
3.7 Vibratory Plate Compactor 40
3.8 HMA Coring and Air Void 42
4.1 Preparation of Test Sections 43
4.1.1 Subgrade 43
4.1.2 RAP Base Course 44
4.1.3 Hot Mix Asphalt Surface 48
4.1.4 Test Setup 50
4.2 Cyclic Plate Load Tests 51
4.3 Test Results 52
4.3.1 Format of Presentation 52
4.3.2 15 cm Thick Unreinforced RAP Base Section 54
4.3.3 15 cm Thick Geocell-Reinforced RAP Base Section (Hard Subgrade) 61
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