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MgO-MgCl_2-H_2O体系的凝固热效应及添加剂的影响
作者:翟宗玺 李积才 夏树屏 
单位:中国科学院青海盐湖研究所二室 中国科学院青海盐湖研究所  中国科学院青海盐湖研究所 西宁 810008 
关键词:氯氧镁水泥  凝固热  水泥添加剂 
分类号:
出版年,卷(期):页码:1992,20(4):315-320
DOI:
摘要:
用精密量热仪测定了MgO-MgCl_2-H_2O浆体和掺不同添加剂形成的氯氧镁水泥凝固过程的热效应。研究了氧化镁试样中MgO含量、MgO活性,以及添加剂对凝固热效应的影响。利用文献数据估算了一种MgO-MgCl_2_H_2O浆体的凝固热,结果与测定值基本吻合。
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The heat in setting of MgO-MgCI_2-H_2O cement pastes is determined by precison calorimeter. The influences of content and activity of MgO and the additives on the heat in setting is studied. The heat in setting of a kind of pastes is calculated theoretically, and the result is in accordance with the measured value.
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参考文献:
1 Newman E S. A study of the system magnesium oxide-magnesium chlorde-water and the heat of formation of magnesium oxychloride. J Res Natl Bur Stand, 1955; 54 (6) : 2597 2 Newman E S, Gilfrich J V, Lansing SW. Heat generation in the setting of magnesium oxychloride cement.J Natl Bur Stand 1952; 49(6) : 2375 3 Chassevent L. Study of the setting of magnesian cement. Chimie & Ind, 1933; 30:1020 4 中华人民共和国国家标准.GB2022-80 水泥水化热试验方法(直接法).北京:技术标准出版社,1981:1~5 5 Weast R C. CRC Handbook of Chemistry and Physics. 63th. Boca Roton, Florida: CRC Press Inc, 1983:D69 6 翟宗玺,刘树深.夏树屏.氯氧化镁生成热的研究.化学学报,1990;48(10) :946
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