Users’ Manual and Guides for the M-E Traffic Database (T-DSS)
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2020-10-01
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Alternative Title:Develop System To Render Mechanistic-Empirical Traffic Data for Pavement Design [Project Title from Cover]
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Abstract:This user’s manual aids users to understand and use the mechanistic-empirical (M-E) traffic data storage system (the T-DSS). The T-DSS is a Microsoft Access data storage system containing the essential outcomes of the project 0-6940 entitled “Develop System to Render Mechanistic Empirical Traffic Data for Pavement Design.” As a supporting material, this user’s manual presents and describes the following points: (1) Overall structure and data organization frame in the T-DSS. (2) Data stored in the T-DSS, including units, values, and specific comments useful to users. (3) The T-DSS interfaces including the layout formats. (4) Tables under each interface to ease data retrieval from T-DSS. The data and attachment files in the T-DSS can also be exported or downloaded for use in M-E pavement design. Especially, the manual emphasizes the retrieval of inputs data needed for M-E models and the related software, including the flexible pavement design system (FPS), the Texas mechanistic-empirical (TxME), the Texas asphalt concrete overlay design and analysis system (TxACOL), the AASHTOWare Pavement M-E Design, and the mechanistic empirical pavement design guide (M-E PDG). (5) Guidance on Federal Highway Administration (FHWA) vehicle classification and the FHWA weight classification for different categories of axles including single, tandem, tridem, and quadrem. (6) A map of the Texas weigh-in-motion (WIM) location and a summary of the geographic coordinates of the WIM sites as reported in the T-DSS.
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