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Geosynthetic Wall Performance: Facing Pressure and Deformation.
| 题名： | Geosynthetic Wall Performance: Facing Pressure and Deformation. |
| 作者： | Hoffman, P.; Wu, J. |
| 关键词： | Geosynthetic Reinforced Soil (GRS), Compaction-Induced Stress (CIS), Reinforced soil, Colorado Department of Transportation (CDOT), Federal Highway Administration (FHWA) |
| 摘要： | The objective of the study was to validate the performance of blocked-faced Geo-synthetic Reinforced Soil (GRS) wall and to validate the Colorado Department of Transportation’s (CDOT) decision to waive the positive block connection for closely-spaced reinforcement, defined in report FHWA-HRT-11-026. Contrary to conventional wisdom, the GRS wall measurements of this study demonstrated that facing pressure decreases as load increases. This counter-intuitive fact is due to the decrease of compaction-induced stress (CIS) with increased load. Therefore, if a GRS wall survives compaction, it survives indefinitely. |
| 报告类型： | 科技报告 |
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