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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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粉煤灰品质与抑制asr膨胀的能力
DOI: 10.3969/j.issn.1671-7627.2003.03.002, PP. 7-11
Keywords: 碱硅酸反应,膨胀,粉煤灰,颗粒分布,氧化钙,碱含量
Abstract:
对比研究了2类、4种粉煤的化学和矿物组成、颗粒形貌和级配及抑制碱硅酸反应(asr)膨胀的效果,讨论了粉煤灰品质与抑制asr膨胀的关系.结果表明:相同掺量时,低钙粉煤灰抑制asr能力优于高钙粉煤灰;粉煤灰同一品质指标对不同类型粉煤灰抑制asr能力的影响不同,不同粉煤灰抑制asr膨胀能力的差异不能简单归结为某一特定品质指标的差别,特别是品质指标绝对值及差别不大时.
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