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COMPARISON OF FOUR BRANDS OF SUPERPAVE GYRATORY COMPACTORS.
| 题名： | COMPARISON OF FOUR BRANDS OF SUPERPAVE GYRATORY COMPACTORS. |
| 作者： | Hinrichsen-J |
| 关键词： | Accuracy-; Aggregate-gradation; Asphalt-mixtures; Bulk-density; Calibration-; Comparison-; Gyratory-compactors; Gyratory-testing-machines; Superpave- |
| 摘要： | Four different brands of gyratory compactors were chosen for an experiment to determine if the devices would produce comparable results. For this experiment, a Troxler model 4140, a Test Quip Brovold gyratory, a Pine model AFGC 125X, and an Interlaken model 1 were used. The four brands of gyratory compactors were compared on four different plant-produced Superpave mixtures. Three of the four mixtures were coarse graded (below the restricted zone); the other was fine graded (above the restricted zone). All the gyratory compactors were calibrated according to the manufacturers' recommendations. Testing was randomized to reduce bias. A comparison of the results indicates that distinct differences exist among the devices. The same trend was observed for all four mixtures; however, the magnitude of the differences was mix dependent. The coarse mixtures showed greater differences than the fine mixture. Under the conditions of this experiment, the Interlaken produced lower densities than the other devices. |
| 总页数： | Transportation Research Record. 2001. (1767) pp167-172 (1 Fig., 9 Tab.) |
| 报告类型： | 科技报告 |
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