| 缓凝剂对石膏作用效果的影响 |
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| 引用本文： | 李先友,陈明凤,彭家惠,吴莉.缓凝剂对石膏作用效果的影响[J].土木与环境工程学报,2004,26(4):92-95. |
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| 作者姓名： | 李先友 陈明凤 彭家惠 吴莉 |
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| 作者单位： | 1. 重庆大学,建材系,重庆,400045;贵州省遵义市房屋拆迁管理处,贵州,563000
2. 重庆大学,建材系,重庆,400045 |
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| 摘 要： | 缓凝剂在石膏中作用效果如何,取决于石膏pH值、石膏细度、石膏品种、石膏水灰比及水化温度等诸多因素,主要考察了石膏pH值、石膏细度和石膏品种对缓凝剂作用效果的影响.结果表明:石膏pH值、石膏细度和石膏品种不同,缓凝剂对石膏凝结时间和强度的作用效果不同.
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| 关 键 词： | 石膏 缓凝剂 凝结时间 强度 |
| 文章编号： | 1006-7329(2004)04-0092-04 |
| 修稿时间： | 2004年2月10日 |
Factors Influencing the Effect of Retarder for Building Gypsum |
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| LI Xian-you.Factors Influencing the Effect of Retarder for Building Gypsum[J].Journal of Civil and Environmental Engineering,2004,26(4):92-95. |
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| Authors: | LI Xian-you~ |
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| Affiliation: | LI Xian-you~ |
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| Abstract: | The retarding effect of retardants in building gypsum depend on many factors such as pH value.Fineness of gypsum particles,gypsum type,water/gypsum ratio and hydration temperature.In this paper, the influence of pH value, fineness and sort of gypsum on the effect of retarders are studied. Results show that for the gypsum with different pH value, fineness and of different sort, the effects of retarders on its setting time and strength are different. |
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| Keywords: | gypsum retarder setting time strength |
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