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Effectiveness of the Fly-Ash Slurry Injection Method to Eliminate Depressed Transverse Cracks, Summary. Summary rept.
| 题名： | Effectiveness of the Fly-Ash Slurry Injection Method to Eliminate Depressed Transverse Cracks, Summary. Summary rept. |
| 作者： | Felker-V.; Parcells-W.H. |
| 关键词： | *Asphalt-pavements; *Kansas-(I-70-corridor; *Transverse-cracks; *Fly-Ash-Slurry-injection; *Effectiveness-; *Summary-.;Low-cost-maintenance; Products-used; Application-procedures; Variable-results. |
| 摘要： | In this study, the nature and extent of transverse cracking in asphalt pavements on I-70 in Kansas was determined. A pavement investigation was conducted to determine the effectiveness of the Fly Ash Slurry Injection (FASI) method (a crack stabilization procedure) to eliminate or minimize the depression (bump) caused by the depressed pavement on both sides of the transverse cracks. The intent of the FASI was to fill the subsurface voids at severely distressed transverse cracks to delay depression and reflective cracking, because the pavements were structurally sufficient for the traffic loading. The initial objective of the study was to find a low-cost maintenance, approach to improve ride by filling the transverse cracks and their associated depression. A variety of products and application procedures were attempted, with variable results. Most attempts re-cracked within a year, and depression soon followed. |
| 报告类型： | 科技报告 |
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