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Effects of Aggregate Blends on the Properties of Portland Cement Concrete Pavements; Interim research rept
| 题名： | Effects of Aggregate Blends on the Properties of Portland Cement Concrete Pavements; Interim research rept |
| 作者： | Dossey, T.; McCullough, B. F.; Dumas, A. |
| 关键词： | Concrete pavements; Portland cements; Aggregates; Blending; Rigid pavements; Crushed stone; Materials tests; Limestone; Gravel |
| 摘要： | Although recent studies have shown that pavement performance does vary by aggregate type, current portland cement concrete pavement design tools do not fully incorporate aggregate properties into the design process. Aggregate characteristics shown to affect pavement performance include strength, thermal properties, and shrinkage properties. The objective of this study was to investigate the material properties of crushed limestone and siliceous river gravel, two aggregates predominantly used in current pavement construction, and to determine a relationship between the properties of single-aggregate concrete and concrete made with predetermined blends of limestone and gravel. |
| 总页数： | 81p |
| 报告类型： | 科技报告 |
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