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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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