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CASE STUDY OF OVERLAY PERFORMANCE ON RIGID PAVEMENT IN BOWIE COUNTY, TEXAS.
| 题名： | CASE STUDY OF OVERLAY PERFORMANCE ON RIGID PAVEMENT IN BOWIE COUNTY, TEXAS. |
| 作者： | McCullough-BF; Dossey-T; Cho-Y-H |
| 关键词： | CASE-STUDIES; TEXAS-; RIGID-PAVEMENTS; OVERLAY-COURSE; BITUMINOUS-OVERLAYS; EFFECTIVENESS-; CONDITION-SURVEY; ROUGHNESS-; PAVEMENT-DEFLECTION; BEFORE-AND-AFTER-STUDIES; REMOVAL-; REPLACING-; RIDE-QUALITY; DYNAMIC-LOADING; SUBGRADES-; SWELLING-; STRUCTURAL-FATIGUE |
| 摘要： | A case study of flexible overlay performance on an old rigid pavement is presented. This special study was devised in cooperation with the Pavement Section of the Design Division of the Texas Department of Transportation to take advantage of a unique opportunity to study overlay effectiveness. Condition survey, roughness measurements, and deflection basins were taken before and after the removal of an old flexible overlay and after the construction of a new asphalt overlay. Subsequent analysis of the data shows that although the overlay restores the ride quality of a rigid pavement and eliminates dynamic loading caused by swelling subgrades, it can only slow, not reverse, fatigue in the underlying pavement structure. |
| 总页数： | Transportation Research Record. 1996. (1525) pp107-114 (10 Fig., 1 Tab., 7 Ref.) |
| 报告类型： | 科技报告 |
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