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HYDRATED FLY ASH BASE PERFORMING WELL.
| 题名： | HYDRATED FLY ASH BASE PERFORMING WELL. |
| 作者： | Estakhri-C |
| 关键词： | Aggregates-; Base-course-Pavements; Deflection-tests; Fly-ash; Ground-penetrating-radar; Moisture-content; Pavement-design; Pavement-performance; Paving-materials; Recycled-materials; Texas- |
| 摘要： | Six test sections of pavement on several roadways in northeast Texas may signal the need for eventual changes in pavement performance analysis when recycled materials are used in construction. What makes the paving material different is the use of hydrated fly ash as a stabilized base. Hydrated fly ash is produced by allowing powder fly ash from coal power plants to cure with moisture. The hydrated fly ash becomes a stiff material that can be crushed to form a synthetic aggregate. This aggregate can then be placed and compacted to an optimum moisture content and density to form a roadway base. This material has an optimum moisture content of approximately 35%, whereas a typical base is somewhere around 10%. |
| 总页数： | Texas Transportation Researcher. 2000. 36(1) pp5 (1 Phot.) |
| 报告类型： | 科技报告 |
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