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Evaluation and Modification of a Statistical Specification for Hot Mix

机译:热拌统计规范的评估和修改

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摘要

Louisiana's current statistically based specification system was initiated in 1967. This system was based upon contractor quality control and department acceptance testing using known variability concepts. A materials data base was also initiated at that time to archive materials test results and information. Since inception of the data base and system, major changes have been incorporated into the standard specifications. Further, there have been advances in equipment and operational control devices that can further reduce construction and test variation.
机译:路易斯安那州当前基于统计的规范系统始于1967年。该系统基于承包商的质量控制和部门认可测试,使用了已知的可变性概念。当时还建立了材料数据库,以存储材料测试结果和信息。自从建立数据库和系统以来,重大更改已纳入标准规范。此外,在设备和操作控制装置方面已经有了进步,可以进一步减少构造和测试变化。

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