Estimating the Effects of Pavement Condition on Vehicle Operating Costs (2012) / Chapter Skim
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Pages 27-39
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27 This chapter describes the research approach used for developing the appropriate models to estimate the effects of pavement condition on tire wear. The most recent tire wear model found in the literature is the mechanistic–empirical model found in HDM 4 (Bennett and Greenwood, 2003b)
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tires and 75,906 km (47,442 mi) for steer tires.
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29 Name Description Unit Aerodynamic forces (Fa)
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30 Figure 4-1. NCAT test track vehicle.
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31 Source: Data provided by NCAT 0 2 4 6 8 10 12 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 IR I ( m/ km ) Sections East North West South Figure 4-3.
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32 Road Start End Pavement Type Texture Depth (mm) IRI Range (m/km)
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Vehicle Class Tire Informationa Tire Life New Tire Tread Depth [mm (in.)
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34 LF position 1 LF position 2 RR position 1 RR position 2 (a) I-69 Trial 1: Reading 1 (c)
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35 (a) I-69 Trial 1: Reading 1 0 0.5 1 1.5 2 2.5 LF position 1 LF position 2 RR position 1 RR position 2 Ti re W ea r R at e (% / k m)
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36 Vehicle Type C0tc (dm3/1000 km) Ctcte (dm3/MNm)
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37 Speed Vehicle Class (Number of Wheels) Baseline Conditions (%/km)
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38 Table 4-9. HDM 4 tractive forces model.
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39 Table 4-12. HDM 4 new default values -- vehicle and tire characteristics.
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