Abstract
Accurate test dada is the basis of quality control in asphalt pavement construction. Comparative test is an important way to improve test operation level and guarantee the accuracy of test data. To check the condition of the SGC devices and the operator’s skill, comparative test was practiced. The test program and the analysis method to the SGC comparative test data was obtained in accordance with ASTM E691. According to the compaction degree data with SGC compaction at 100 times, two kinds of evaluate methods are compared. The results indicate that robust -statistical-method is more sensitive than ASTM E691-method.
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