Factors Influencing the Effect of Retarder for Building Gypsum

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- Factors Influencing the Effect of Retarder for Building Gypsum
- Journal of Civil and Environmental Engineering Vol. 26, Issue 4, Pages: 92-95(2004)
- 作者机构：
- 作者简介：
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- DOI：10.11835/j.issn.1674-4764.2004.04.020
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- Published：2004
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Factors Influencing the Effect of Retarder for Building Gypsum[J]. Journal of Civil and Environmental Engineering, 2004, 26(4): 92-95.
DOI：

Factors Influencing the Effect of Retarder for Building Gypsum[J]. Journal of Civil and Environmental Engineering, 2004, 26(4): 92-95. DOI： 10.11835/j.issn.1674-4764.2004.04.020.

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。

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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