United States Department of Transportation
i
Quality control analysis : part V : review of data generated by statistical specifications on asphaltic concrete : final report.
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1975-12-01
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[PDF-4.58 MB]
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Abstract:The primary objective of this study was to review the data generated by projects governed by statistically oriented system of specifications for the control and acceptance of asphaltic concrete and to recommend any revisions that may be deemed necessary. Specifically, the major objectives can be listed according to their order of importance:
1. Determine the effect of the new system on the final adjusted bid price and isolate the acceptance criteria contributing the most to the overall reduction in this bid price.
2. Determine the variability of the product with respect to various quality characteristics and compare this variability of the data with those from which the statistical limits were developed.
3. Compare the performance characteristics of the end product obtained from the conventional specifications with the new system of specifications.
4. Make an overall assessment of these statistically oriented end-result specifications through questionnaire response from construction engineers.
5. Make recommendations on the basis of the above findings.
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