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RUTTING DEVELOPMENT IN LINEAR TRACKING TEST PAVEMENTS TO EVALUATE SHELL SUBGRADE STRAIN CRITERION.
| 题名： | RUTTING DEVELOPMENT IN LINEAR TRACKING TEST PAVEMENTS TO EVALUATE SHELL SUBGRADE STRAIN CRITERION. |
| 作者： | Groenendijk-J; Vogelzang-CH; Miradi-A; Molenaar-AAA; Dohmen-LJM |
| 关键词： | ASPHALT-PAVEMENTS; PAVEMENT-THICKNESS; SANDS-; SUBGRADES-; REPETITIVE-LOADING; WIDE-BASE-TIRES; WHEEL-LOAD; LINEAR-TRACKING-DEVICE; TEST-SECTIONS; MEASUREMENTS-; STRAINS-; TEMPERATURE-; RUTTING-; PAVEMENT-CRACKING; FALLING-WEIGHT-DEFLECTOMETERS; DATA-ANALYSIS; SUBGRADE-DEFORMATION; SUBGRADE-STRAIN-CRITERION; SHELL-PAVEMENT-DESIGN-MANUAL |
| 摘要： | Two full-depth gravel asphalt concrete (AC) pavements of 0.15- and 0.08-m thickness on a sand subgrade were loaded with 4 million and 0.65 million repetitions of a 75-kN super-single wheel load using the linear tracking device (LINTRACK), a heavy-traffic simulator. Frequent measurements of asphalt strains, temperatures, rutting, cracking, and falling weight deflectometer (FWD) were made. The data analysis of the rutting measurements indicates that all rutting could be ascribed to subgrade deformation (secondary rutting). No evidence was found of shear deformation within the asphalt layer (primary rutting). The data analysis also indicates that the observed rutting performance of the LINTRACK test sections (to a maximum rut depth of 18 mm) coincides closely with the average criterion from the "Shell Pavement Design Manual", which relates subgrade strain to allowable number of strain repetitions. |
| 总页数： | Transportation Research Record. 1997. (1570) pp23-29 (10 Fig., 12 Ref.) |
| 报告类型： | 科技报告 |
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