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PropertiesConverter
Pitt Pavements Software Hub
Truck Traffic Spectrum
General Inputs:
AADTT
TTC Pattern:
Input Distributions:
Custom
Default
Veh/Truck Class Distribution:
Pattern
Description
Class 4
Class 5
Class 6
Class 7
Class 8
Class 9
Class 10
Class 11
Class 12
Class 13
1
Major single-trailer truck route (type I)
1.3
8.5
2.8
0.3
7.6
74
1.2
3.4
0.6
0.3
Axle/Truck Class Distribution:
Class
Single
Tandem
Tridem
4
1.62
0.39
0
5
2
0
0
6
1.02
0.99
0
7
1
0.26
0.83
8
2.38
0.67
0
9
1.13
1.93
0
10
1.19
1.09
0.89
11
4.29
0.26
0.06
12
3.52
1.14
0.06
13
2.15
2.13
0.35
Load/Axle Distributions:
Single Axle Load Distribution
Load, lbs
Class 4
Class 5
Class 6
Class 7
Class 8
Class 9
Class 10
Class 11
Class 12
Class 13
3000
1.8
10.03
2.47
2.14
11.62
1.74
3.64
3.55
6.68
8.88
4000
0.96
13.19
1.78
0.55
5.36
1.37
1.24
2.91
2.29
2.67
5000
2.91
16.4
3.45
2.42
7.82
2.84
2.36
5.19
4.87
3.81
6000
3.99
10.69
3.95
2.7
6.98
3.53
3.38
5.27
5.86
5.23
7000
6.8
9.21
6.7
3.21
7.98
4.93
5.18
6.32
5.97
6.03
8000
11.45
8.26
8.44
5.81
9.69
8.43
8.34
6.97
8.85
8.1
9000
11.28
7.11
11.93
5.26
9.98
13.66
13.84
8.07
9.57
8.35
10000
11.04
5.84
13.55
7.38
8.49
17.66
17.33
9.7
9.95
10.69
11000
9.86
4.53
12.12
6.85
6.46
16.69
16.19
8.54
8.59
10.69
12000
8.53
3.46
9.47
7.41
5.18
11.63
10.3
7.28
7.09
11.11
Rows per page:
1-10 of 39
Tandem Axle Load Distribution
Load, lbs
Class 4
Class 5
Class 6
Class 7
Class 8
Class 9
Class 10
Class 11
Class 12
Class 13
6000
5.88
7.06
5.28
13.74
18.95
2.78
2.45
7.93
5.23
6.41
8000
1.44
35.42
8.42
6.71
8.05
3.92
2.19
3.15
1.75
3.85
10000
1.94
13.23
10.81
6.49
11.15
6.51
3.65
5.21
3.35
5.58
12000
2.73
6.32
8.99
3.46
11.92
7.61
5.4
8.24
5.89
5.66
14000
3.63
4.33
7.71
7.06
10.51
7.74
6.9
8.88
8.72
5.73
16000
4.96
5.09
7.5
4.83
8.25
7
7.51
8.45
8.37
5.53
18000
7.95
5.05
6.76
4.97
6.77
5.82
6.99
7.08
9.76
4.9
20000
11.58
4.39
6.06
4.58
5.32
5.59
6.61
5.49
10.85
4.54
22000
14.2
2.31
5.71
4.26
4.13
5.16
6.26
5.14
10.78
6.45
24000
13.14
2.28
5.17
3.85
3.12
5.05
5.95
5.99
7.24
4.77
Rows per page:
1-10 of 39
Tridem Axle Load Distribution
Load, lbs
Class 4
Class 5
Class 6
Class 7
Class 8
Class 9
Class 10
Class 11
Class 12
Class 13
12000
0
0
0
5.89
0
0
16.21
23.31
13.28
10.86
15000
0
0
0
2.18
0
0
9.51
20.89
6.38
4.4
18000
0
0
0
3.32
0
0
7.3
15.88
6.74
4.75
21000
0
0
0
2.98
0
0
5.83
12
6
4.04
24000
0
0
0
3.27
0
0
5.82
5.8
4.37
3.02
27000
0
0
0
4.26
0
0
5.03
2.61
4.53
4.46
30000
0
0
0
4.48
0
0
4.99
2.08
8.01
4.99
33000
0
0
0
5.11
0
0
5.79
2.06
5.61
3.82
36000
0
0
0
7.01
0
0
6.71
2.94
6.25
6.51
39000
0
0
0
6.77
0
0
7.41
1.1
8.04
5.49
Rows per page:
1-10 of 31
Output Display:
Tablulated
Graphed
Calculate Spectrum
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