Statistical Analysis of Specification Compliance
Publication: Journal of Transportation Engineering
Volume 111, Issue 3
Abstract
There has been little use of statistical analysis for evaluating the degree to which highway construction materials comply with nonstatistical specification requirements. The increased use of statistics offers potential benefits in the areas of project management and improved project quality. Using the standard deviation of a series of individual materials test results, an estimate of the percentage of material within specification limits can be made. Region 10 of the Federal Highway Administration has demonstrated the use of this analysis for evaluating specification compliance and for pinpointing points of change in materials characteristics for further investigation by identifying significant changes in standard deviation and quality level.
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References
1.
Baker, W. M., and McMahon, T. F., “Quality Assurance in Highway Construction, Part 3—Quality Assurance of Portland Cement Concrete,” Public Roads, Vol. 35, No. 8, June, 1969, pp. 184–189.
2.
Granley, E. C., “Quality Assurance in Highway Construction, Part 4—Variations of Bituminous Construction,” Public Roads, Vol. 35, No. 9, Aug., 1969, pp. 201–211.
3.
Kelley, J. A., “Quality Assurance in Highway Construction, Part 5—Summary of Research for Quality Assurance of Aggregate,” Public Roads, Vol. 35, No. 10, Oct., 1969, pp. 230–237.
4.
McMahon, T. F., and Halstead, W. J., “Quality Assurance in Highway Construction, Part 1—Introduction and Concepts,” Public Roads, Vol. 35, No. 6, Feb., 1969, pp. 129–134.
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McMahon, T. F., “Quality Assurance in Highway Construction, Part 2—Quality Assurance of Embankments and Base Courses,” Public Roads, Vol. 35, No. 7, Apr., 1969, pp. 166–174.
6.
U.S. Department of Transportation, Federal Highway Administration, “Statistical Quality Control of Highway Construction, Vol. 1 and 2,” Jan., 1976.
7.
U.S. Department of Transportation, Federal Highway Administration, “1976 Manual for Quality of Highway Construction Survey,” June, 1976; Note: similar manuals were issued in July, 1978, Mar., 1980, and Mar., 1982 for subsequent surveys.
8.
U.S. Department of Transportation, Federal Highway Administration, “Highway Condition and Quality of Highway Construction Survey Report,” July, 1977; Note: subsequent reports dated Oct., 1980, Oct., 1981, and Feb., 1984 are unpublished.
9.
Weed, R. M., “Statistical Specification Development,” Report FHWA/NJ‐83/007, New Jersey Department of Transportation, prepared for the Federal Highway Administration, Dec., 1982.
Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 111 • Issue 3 • May 1985
Pages: 280 - 291
Copyright
Copyright © 1985 ASCE.
History
Published online: May 1, 1985
Published in print: May 1985
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