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ALKALI-SILICA REACTIVITY RESISTANCE OF HIGH-VOLUME FLY ASH CEMENTITIOUS SYSTEMS.
| 题名： | ALKALI-SILICA REACTIVITY RESISTANCE OF HIGH-VOLUME FLY ASH CEMENTITIOUS SYSTEMS. |
| 作者： | Shon-C-S; Zollinger-DG; Sarkar-SL |
| 关键词： | Alkali-silica-reactions; Alkalinity-; Fly-ash; Laboratory-tests; Mortar-; Portland-cement |
| 摘要： | The role of high-volume ASTM Class F fly ash (58% by mass of cement) in reducing expansion caused by alkali-silica reaction was investigated. A series of modified ASTM C1260 tests were performed with three different concentrations of NaOH solution and over an extended test period of 28 days; a reactive siliceous fine aggregate was used. Test results confirm that replacing 58% of portland cement (by mass) with high-volume fly ash in a cementitious system significantly helps control expansion caused by alkali-silica reaction. |
| 总页数： | Transportation Research Record. 2002. (1798) pp17-21 (6 Fig., 5 Tab., 10 Ref.) |
| 报告类型： | 科技报告 |
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