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

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atio (TRB) at the same pavement thickness reaching the same surface permanent deformation of 25 mm at the center. Table 4.10 shows that the geocell-reinforced base sections have the TBR values of 10 and 12.5 for 15 and 30 cm thick RAP base sections. This result demonstrates the benefit of geocell confinement of RAP bases. Permanent deformation (mm.) 50 45 40 35 30 25 20 15 10 5 0 15 cm unreinforced 30 cm unreinforced 15 cm reinforced (hard subgrade) 15 cm reinforced 23 cm reinforced 30 cm reinforced 0 2000 4000 6000 8000 10000 12000 14000 16000 Number of loading cycle Figure 4.64 The surface permanent deformation at the center versus the number of loading cycles 104
Table 4.10 Number of loading cycles at 25 mm surface permanent deformation at the center Base thickness (cm) Number of loading cycle Traffic Benefit Ratio (TBR) Unreinforced Reinforced 15 80 750 10 15 (hard subgrade) - 14000 - 23 - 1600 - 30 800 10000 12.5 Figure 4.65 presents the distributions of surface permanent deformations at different distances to the center when the permanent deformation at the center was 25 mm It is shown that all test sections had similar distributions, i.e., the permanent deformation decreased with an increase of the distance. Permanent deformation (mm.) -5 0 5 10 15 20 25 30 0 10 20 Distance from 30 center (cm.) 40 50 60 Figure 4.65 Distributions of surface permanent deformations at the 25 mm deformation at the center 105 15 cm unreinforced 15 cm reinforced (hard subgrade) 15 cm reinforced 23 cm reinforced 30 cm unreinforced 30 cm reinforced
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Report # MATC-KU: 462 Final Report
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Technical Report Documentation Page
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4.3.4 15 cm Thick Geocell-Reinforce
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Figure 4.11 Profiles of the HMA sur
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Figure 4.48 The permanent deformati
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List of Tables Table 2.1 Percentage
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Acknowledgements This research was
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Abstract Asphalt pavements deterior
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1.1 Background Chapter 1 Introducti
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On-site use of RAP materials has re
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Chapter 2 Literature Review Recycle
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Protection. Geosynthetics are somet
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wet weather conditions. Webster and
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subgrade can be improved in terms o
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annually in the early 1990s (FHWA-H
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Figure 2.2 Usage and potential of v
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Table 2.1 Percentage of use of RAP
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Type of Property Physical Propertie
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permeability values. The addition o
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Chapter 3 Material Properties and E
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Table 3.1 Properties of the RAP bas
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3.3 Asphalt Concrete Figure 3.4 Sta
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Table 3.2 Basic Properties of NPA g
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Earth pressure cells were installed
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central pocket, and one at the top
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plate on one end was buried at the
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loading plate to simulate the rubbe
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3.6.7 Dynamic Cone Penetration Test
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Figure 3.15 Light weight deflectome
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Chapter 4 Experimental Data Analysi
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The quantity of RAP placed in each
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Geocell infilled with RAP Geocell i
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Figure 4.4 Prime coat on the RAP ba
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4.2 Cyclic Plate Load Tests Figure
Page 69 and 70: dynamic deformation moduli from LWD
Page 71 and 72: Depth (cm.) 0.00 5.00 10.00 15.00 2
Page 73 and 74: Depth (cm.) 10 14 18 22 26 Before t
Page 75 and 76: surface at the center was under ten
Page 77 and 78: 4.3.3 15 cm Thick Geocell-Reinforce
Page 79 and 80: Depth (cm.) 0 10 20 30 40 50 60 0 5
Page 81 and 82: The permanent deformation was obtai
Page 83 and 84: Strain on geocell (%) Figure 4.23 T
Page 85 and 86: Stress distribution angle (°) 50 4
Page 87 and 88: Figure 4.28 The calculated dynamic
Page 89 and 90: Elastic deformation (mm.) 3 2.5 2 1
Page 91 and 92: Strain (%) 0.15 0.1 0.05 0 -0.05 -0
Page 95 and 96: The profiles of the HMA surfaces as
Page 97 and 98: Figure 4.41 shows the measured maxi
Page 99 and 100: Figure 4.43 The vertical stress at
Page 101 and 102: Table 4.5 The average CBR values of
Page 103 and 104: at the distances of 25 and 50 cm aw
Page 105 and 106: Strain (%) 0.014 0.012 0.01 0.008 0
Page 109 and 110: The profiles of the HMA surfaces as
Page 111 and 112: Figures 4.58 and 4.59 show the meas
Page 113 and 114: Strain (%) 0.04 0.02 0 -0.02 -0.04
Page 115 and 116: 4.4 Analysis of Test Data Six cycli
Page 117 and 118: Table 4.7 Average CBR values of tes
Page 119: The percentages of air void of the
Page 123 and 124: Table 4.11 Elastic deformation and
Page 125 and 126: HMA surface compression (mm.) Base
Page 127 and 128: strain was higher for the geocell a
Page 129 and 130: Vertical stress (kPa) 250 200 150 1
Page 131 and 132: Stress distribution angle ( ̊) 80
Page 133 and 134: 6. The subgrade contributed to most
Page 135 and 136: Berthelot, C., R. Haichert, D. Podb
Page 137: Pokharel, S. K., J. Han, D. Leshchi
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