Computer-Based Guidelines for Concrete Pavements Volume I-Project Summary
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2005-02-01
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Abstract:This report documents enhancements incorporated in the (HIgh PERformance PAVing) HIPERPAV® II software. Enhancements made within this project include the addition of two major modules: a module to predict the performance of jointed plain concrete pavement (JPCP) as affected by early-age factors, and a module to predict the early-age behavior (first 72 hours) and early life (up to 1 year) of continuously reinforced concrete pavement (CRCP). Two additional Federal Highway Administration (FHWA) studies were also incorporated: one that predicts dowel bearing stresses as a function of environmental loading during the early age, and a module for optimization of concrete paving mixes as a function of 3-day strength, 28-day strength, and cost. Additional functionality to the software was also incorporated by reviewing and prioritizing the feedback provided by users of the first generation of the software, HIPERPAV I. ; To accomplish the above, an extensive literature search was conducted in search of mechanistic and mechanistic-empirical models that could be used for this purpose. A system approach was followed for incorporating additional developments in the software following the same methodology employed during the development of the original HIPERPAV I software. Evaluation of the enhancements was accomplished with the help of a Technical Expert Panel (TEP). Likewise, validation of the model predictions was accomplished by employing existing databases and investigation of pavements during construction and in service. ; This report summarizes the work conducted to enhance the HIPERPAV concrete pavement design guidelines. This is the first volume in a series of three volumes that document the different tasks carried out in accomplishing the objectives for this project.
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Main Document Checksum:urn:sha-512:47f6d0b8573058cedc44564ba519c6acf9a84782ac8a9945200210aba276eafdb4fed4122a38f4047a35e822ee6a1ce8d37c9b2e1a8cef462b21ceaa50906370