Alternative Airfield Pavement Quality Controlby Raymond P. Rawe, Burns & McDonnell, Engineers-Architects-Consultants, Kansas City, United States,
Terry A. Ruhl, Burns & McDonnell, Engineers-Architects-Consultants, Kansas City, United States,
Abstract: In recent years, the cost of maintaining quality control during airfield construction projects has concerned airport operators and engineers alike. This paper addresses the possibilities of decreasing quality control costs by obtaining alternate concrete cylinder strengths to standard flexural strength beams. Observed data indicates a significant relationship between these strengths, however, the predictability of the models to estimate flexural strength can vary considerably between projects. This suggests that one general model can not adequately predict flexural strengths from compressive or split tensile strengths. Data suggest that models be generated for each project during the mix design phase. The model then could be used to find concrete strength deficiencies, which could be verified with additional flexural strength tests. Of course, such testing must gain widespread acceptance from the design and construction community as well as from the Federal Aviation Administration (FAA).
Subject Headings: Flexural strength | Data processing | Quality control | Ultimate strength | Airport and airfield pavements | Concrete pavements | Air quality
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