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ASPHALT MIX EVALUATIONS: CASE STUDY AT SAN FRANCISCO INTERNATIONAL AIRPORT.
| 题名： | ASPHALT MIX EVALUATIONS: CASE STUDY AT SAN FRANCISCO INTERNATIONAL AIRPORT. |
| 作者： | Monismith-CL; Harvey-JT; Guada-IM; Long-F; Vallerga-BA; Nokes-WA; Jew-A |
| 关键词： | Aircraft-; Asphalt-mixtures; Boeing-747-aircraft; Case-studies; Marshall-test; Mix-design; Pavement-performance; Repeated-loads; San-Francisco-International-Airport; Shear-tests; Taxiways-; Wheel-loads |
| 摘要： | A forensic study of asphalt mix performance at the San Francisco International Airport (SFIA) using the simple shear test developed by the Strategic Highway Research Program is described. The study examined taxiways subjected to stationary and slow movements of heavy aircraft wheel loads and covered a period of about 2.5 years. The results of the study indicate the need to modify (or change) current Federal Aviation Administration (FAA) criteria for mix design of asphalt mixes for heavy-duty airfield pavements, particularly for taxiways used for takeoff operations and subjected to stop-and-go operations of heavy aircraft like the Boeing 747-400. Information presented suggests that the simple shear test conducted in repeated loading while the height of the specimen is maintained constant (RSST-CH) can be used as a replacement for the current FAA mix evaluation procedure using the Marshall test. Mix design criteria are presented and are based on satisfactory performance of a high-stability mix introduced at SFIA for taxiways. |
| 总页数： | Transportation Research Record. 2000. (1723) pp133-140 (3 Phot., 8 Fig., 1 Tab., 4 Ref.) |
| 报告类型： | 科技报告 |
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