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Publication Number: FHWA-HRT-04-079
Date: July 2006

Seasonal Variations in The Moduli of Unbound Pavement Layers

Appendix D: Materials Data Used in Development of E Predictive Models

Table 70. Material density, relative density, and PI used in soil class models
Section Layer Class Thickness (m) Layer Type* Dry Density (kg/m3) Relative Density PI
040113 2 A–1–a 0.19 GB 2164 0.96 0
040113 3 A–1–b 0.91 SS 2097 1.04 0
040113 4 A–1–b 6.40 SS 1930 0.96 0
040114 2 A–1–a 0.31 GB 2108 0.93 0
040114 3 A–2–4 0.91 SS 1800 0.84 7
040114 4 A–2–4 6.22 SS 1800 0.84 7
041024 2 A–1–a 0.16 GB 2278 0.95 0
041024 3 A–2–6 0.91 SS 1956 1.03 20
041024 4 A–2–6 SS 1960 1.03 20
081053 2 A–1–a 0.11 GB 2166 0.99 0
081053 3 A–1–a 0.60 GS 2161 1.01 0
081053 4 A–6 0.91 SS 1640 1.02 22
081053 5 A–6 SS 1630 1.02 22
091803 2 A–1–a 0.31 GB 2260 1.04 0
091803 3 A–1–a 0.91 SS 1997 0.88 0
091803 4 A–4 SS 2265 1.27 4
131005 2 A–1–a 0.23 GB 2230 1.02 0
131005 3 A–4 0.91 SS 1829 0.89 1
131005 4 A–4 SS 1690 0.82 1
131031 2 A–1–b 0.22 GB 2168 1.00 0
131031 3 A–4 0.91 SS 1500 0.81 9
131031 4 A–4 13.80 SS 1500 0.81 9
161010 2 A–1–a 0.14 GB 2047 0.90 0
161010 3 A–2–4 0.91 SS 1878 1.03 0
161010 4 A–2–4 SS 1877 1.03 0
231026 2 A–1–a 0.45 GB 2278 1.04 0
231026 3 A–1–b 0.91 SS 1961 0.92 0
231026 4 A–1–b SS 1960 0.92 0
241634 3 A–4 0.33 GS 2006 0.98 0
241634 4 A–4 SS 1680 1.03 0
251002 2 A–1–a 0.10 GB 1940 0.81 0
251002 3 A–1–b 0.21 GS 2030 0.98 0
251002 4 A–3 SS 1790 1.07 0
271018 2 A–1–b 0.13 GB 2035 0.92 0
271018 3 A–3 0.91 SS 1829 0.98 0
271018 4 A–3 1.16 SS 1828 0.98 0
271028 3 A–1–b 0.91 SS 2017 1.09 0
271028 4 A–1–b SS 2017 1.09 0
276251 2 A–1–b 0.26 GB 2076 0.96 0
276251 3 A–3 0.91 SS 1895 1.00 0
276251 4 A–3 1.39 SS 1858 0.98 0
308129 2 A–1–a 0.58 GB 2209 1.00 0
308129 3 A–6 1.67 SS 1816 0.97 16
308129 4 A–6 SS 16
331001 2 A–1–a 0.49 GB 2150 0.99 0
331001 3 A–1–b 0.37 GS 2100 1.02 0
331001 4 A–2–4 SS 1860 1.00 0
351112 2 A–2–4 0.15 GB 1722 0.90 7
351112 3 A–3 0.91 SS 1646 0.97 0
351112 4 A–3 SS 1646 0.97 0
481077 2 A–1–a 0.26 GB 2139 0.96 0
481077 3 A–4 0.91 SS 1720 0.94 0
481122 2 A–1–b 0.40 GB 2154 0.97 1
481122 3 A–2–4 0.21 GS 1821 0.94 0
481122 4 A–2–6 SS 1851 0.98 12
491001 2 A–1–b 0.15 GB 2094 0.98 0
491001 3 A–2–4 0.91 SS 1812 0.99 0
161010 4 A–2–4 SS 1877 1.03 0
231026 2 A–1–a 0.45 GB 2278 1.04 0
231026 3 A–1–b 0.91 SS 1961 0.92 0
231026 4 A–1–b SS 1960 0.92 0
241634 3 A–4 0.33 GS 2006 0.98 0
491001 4 A–2–4 SS 1810 0.99 0
501002 2 A–1–a 0.66 GB 2027 0.88 0
501002 3 A–1–a 0.91 SS 1759 0.80 0
501002 4 A–1–a SS 1761 0.80 0
561007 2 A–1–a 0.16 GB 2046 0.91 0
561007 3 A–2–4 0.91 SS 1917 0.99 0
561007 4 A–2–4 SS 1916 0.99 0
831801 2 A–1–a 0.14 GB 2084 0.95 5
831801 3 A–2–6 0.34 GS 1936 0.89 11
831801 4 A–2–4 SS 1829 1.08 0
871622 2 A–1–b 0.17 GB 2007 0.90 0
871622 3 A–1–b 0.67 GS 1951 1.02 0
871622 4 A–4 SS 1809 1.02 0
906405 2 A–1–a 0.23 GB 2151 0.95 0
906405 3 A–1–b 0.91 SS 2039 1.16 0
906405 4 A–1–b SS 2039 1.16 0
*GB = granular base; GS = granular subbase; SS = subgrade soil
Table 71. Material gradation used in soil class models
Section and Layer Percent Passing
3" 2" 1.5" 1" ¾" ½" 3/8" No. 4 No.10 No.40 No.80 No.200
040113 2 100 100 100 100 94 81 75 61 49 27 18 11
040113 3 100 100 98 96 93 89 86 77 58 22 11 9
040113 4 100 100 98 96 93 89 86 77 58 22 11 9
040114 2 100 100 100 100 94 81 75 61 49 27 18 11
040114 3 100 96 94 85 82 77 74 64 51 31 24 18
040114 4 100 96 94 85 82 77 74 64 51 31 24 18
041024 2 100 100 100 88 71 53 46 32 23 17 14 9
041024 3 100 100 97 92 89 85 83 79 73 59 47 31
041024 4 100 100 97 92 89 85 83 79 73 59 47 31
081053 2 100 100 100 100 98 78 66 47 35 22 14 9
081053 3 100 77 77 72 65 57 52 42 33 21 14 9
081053 4 100 100 100 100 100 100 100 97 97 96 94 92
081053 5 100 100 100 100 100 100 100 97 97 96 94 92
091803 2 92 89 85 76 71 63 58 49 40 22 11 6
091803 3 91 89 83 75 69 62 57 49 43 28 18 11
091803 4 100 100 100 98 97 94 90 89 86 74 64 54
131005 2 100 100 100 94 83 68 61 48 41 30 18 9
131005 3 100 100 100 100 100 100 100 100 100 95 79 36
131005 4 100 100 100 100 100 100 100 100 100 95 79 36
131031 2 100 100 100 99 97 95 94 93 78 48 29 11
131031 3 100 100 99 97 94 91 90 88 84 69 56 43
131031 4 100 100 99 97 94 91 90 88 84 69 56 43
161010 2 100 100 100 100 100 87 68 46 34 25 16 8
161010 3 100 100 100 100 100 100 99 97 88 66 38 13
161010 4 100 100 100 100 100 100 99 97 88 66 38 13
231026 2 71 61 59 50 45 41 38 32 26 13 7 4
231026 3 94 89 85 78 74 69 66 60 54 36 23 11
231026 4 94 89 85 78 74 69 66 60 54 36 23 11
241634 3 100 100 100 100 100 100 100 100 99 99 99 99
241634 4 100 100 100 100 100 100 100 100 100 99 99 99
251002 2 100 100 97 79 69 62 57 46 24 13 9 7
251002 3 91 86 83 80 77 72 69 61 52 28 15 10
251002 4 100 100 100 100 100 100 99 99 98 72 19 7
271018 2 100 100 100 100 95 85 80 68 57 29 13 8
271018 3 100 100 100 100 100 99 98 97 95 72 12 5
271018 4 100 100 100 100 100 99 98 97 95 72 12 5
271028 3 100 100 100 99 98 97 96 92 86 43 12 6
271028 4 100 100 100 99 98 97 96 92 86 43 12 6
276251 2 100 100 100 100 98 93 91 85 75 38 16 9
276251 3 100 100 100 100 100 100 99 99 97 72 18 8
276251 4 100 100 100 100 100 100 99 99 97 72 18 8
308129 2 100 100 100 100 95 76 66 43 29 21 12 8
308129 3 100 100 100 99 97 93 90 84 79 76 72 60
308129 4 100 100 100 99 97 93 90 84 79 76 72 60
331001 2 100 100 100 77 68 59 52 44 37 16 8 5
331001 3 100 100 97 93 89 85 81 75 68 37 17 8
331001 4 100 100 100 99 99 98 97 95 93 74 40 15
351112 2 100 100 100 98 95 89 83 67 59 49 36 15
351112 3 100 100 100 100 100 100 100 99 99 96 70 4
351112 4 100 100 100 100 100 100 100 99 99 96 70 4
481077 2 100 100 100 91 82 69 61 49 42 25 12 7
481077 3 100 100 100 100 99 99 98 97 97 94 90 74
481122 2 100 99 99 94 88 77 69 53 43 31 27 23
481122 3 100 99 99 99 98 97 97 96 96 64 34 19
481122 4 100 100 100 100 100 100 99 99 98 72 46 32
491001 2 100 100 100 100 99 86 74 63 56 49 32 13
491001 3 100 100 100 100 100 100 99 97 96 91 50 14
491001 4 100 100 100 100 100 100 99 97 96 91 50 14
501002 2 100 93 83 56 45 31 24 15 10 5 4 3
501002 3 94 92 88 80 76 70 62 48 38 17 10 7
501002 4 94 92 88 80 76 70 62 48 38 17 10 7
561007 2 100 100 100 100 98 81 70 51 40 28 18 10
561007 3 100 100 100 100 100 98 96 88 84 78 52 24
561007 4 100 100 100 100 100 98 96 88 84 78 52 24
831801 2 100 100 100 100 100 85 78 62 48 23 12 11
831801 3 100 100 100 91 85 74 69 57 47 17 12 11
831801 4 100 100 100 100 100 100 100 100 99 93 49 29
871622 2 100 100 100 100 96 83 75 63 53 31 19 13
871622 3 80 80 79 76 74 72 70 67 63 47 23 12
871622 4 100 100 100 100 100 100 100 100 100 99 84 52
906405 2 100 100 100 99 99 90 88 65 48 28 12 9
906405 3 100 100 100 100 100 100 99 99 98 40 7 5
906405 4 100 100 100 100 100 100 99 99 98 40 7 5

 

Table 72. Source tables for materials data used in predictive models for backcalculated pavement layer moduli
Variable Source Data Table Comments
Moisture content SMP_TDR_AUTO_MOISTURE Within-day mean of all observations for layer
Moisture content;optimum moisture content SMP_TDR_AUTO_MOISTURE + TST_SS05_UG05
Distance to water table SMP_WATERTAB_DEPTH_MAN Relative to mid-layer depth for finite layers; relative to depths used for stress computations for semi-infinite layers
Density TST_ISD_MOIST Values for instrumented end of section where available; those for opposite end of section as backup. Gradation and density for section 091803 subgrade layers from reference [82]
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The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT). Provide leadership and technology for the delivery of long life pavements that meet our customers needs and are safe, cost effective, and can be effectively maintained. Federal Highway Administration's (FHWA) R&T Web site portal, which provides access to or information about the Agency’s R&T program, projects, partnerships, publications, and results.
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