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Prediction of Expansive Clay Roughness in Pavements with Vertical Moisture Barriers; Final rept. 1993.9-1997.8
| 题名： | Prediction of Expansive Clay Roughness in Pavements with Vertical Moisture Barriers; Final rept. 1993.9-1997.8 |
| 作者： | Jayatilaka, R.; Lytton, R. L. |
| 关键词： | Pavements; Surface roughness; Clay soils; Subgrades; Expansive clays; FORTRAN; Computerized application; Texas; Pavement surface texture |
| 摘要： | This report summaries the results and conclusions of a multi-year study of the monitoring of moisture barriers in expansive soils. During the study, the surface profile measurements in ten different sites with moisture barriers were obtained using the 690D Surface Dynamics Profilometer operated by the Texas Department of Transportation. These measurements were then analyzed in terms of Serviceability Index and International Roughness Index using the computer program VERTAC. These data were fitted to appropriate models for the growth of roughness with time, and regression constants were obtained. |
| 总页数： | 314p |
| 报告类型： | 科技报告 |
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