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Field Performance of Continuously Reinforced Concrete Pavement in Illinois; Civil engineering studies
| 题名： | Field Performance of Continuously Reinforced Concrete Pavement in Illinois; Civil engineering studies |
| 作者： | Gharaibeh, N. G.; Darter, M. I.; Heckel, L. B. |
| 关键词： | Reinforced concrete; Concrete pavements; Performance evaluation; Illinois; Freeways; Cracking(Fracturing); Tables(Data) |
| 摘要： | This report reviews the design and performance of continuously reinforced concrete pavement (CRCP) in Illinois. Illinois has built over 4,267 two-lane km (2,650 miles) of CRCP on the Interstate system since the mid-1950s. CRCP has been constructed on nearly all urban freeways in the Chicago area and has shown excellent performance under severe weather and heavy traffic conditions. The effect of key design and construction parameters on long-term CRCP performance is investigated using a database that was compiled based on field surveys conducted from 1977 to 1994 by the Illinois Department of Transportation (IDOT). Analysis of the data shows the following variables have significant effects on performance: longitudinal reinforcement content (greatest effect of all variables), slab thickness (also very significant), traffic load applications, depth of reinforcement, base type, and D-cracking of concrete. CRCP built with tubes or chairs exhibited overall about the same performance. Experimental field studies in Illinois showed that depth of reinforcement has a large effect on crack width and, eventually, on punchouts. |
| 总页数： | 68p |
| 报告类型： | 科技报告 |
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