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153 USER INSTRUCTIONS These user instructions cover three actions an agency should consider regarding the use of the study. First, perform a local validation of the models with agency pavement input and performance data. If the validation shows that the studyâs models are reasonable, then use the models to predict the influence of as-constructed AV. If the validation shows that the models do not reflect local experience, consider creating models specific for the agency. A flow chart with more details of each step is provided in Figure 1. All input variables should be correctly determined using accepted measuring and computing practices. For example, the correct method of determining as-constructed AV uses the computed asphalt mixture maximum specific gravity (Gmm) from field produced mixture and the computed mixture bulk specific gravity (Gmb) values from field cores. More details for the determining the required input values are provided in the final report.
