| JM2000新型混凝土引气剂的研究 |
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| 引用本文： | 游有鲲,缪昌文,等. JM2000新型混凝土引气剂的研究[J]. 化学建材, 2002, 18(4): 39-41 |
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| 作者姓名： | 游有鲲 缪昌文 等 |
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| 作者单位： | 江苏省建筑科学研究院 江苏 南京 210008(游有鲲，缪昌文)，江苏省建筑科学研究院 江苏 南京 210008(刘加平) |
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| 摘 要： | 介绍了一种新研制的JM2000新型混凝土引气剂的混凝土性能,测试了随着JM2000新型混凝土引气剂掺量的变化,新拌引气混凝土含气量变化及其稳定性、单位含气量的减水系数、引气混凝土泌水率、硬化引气混凝土相对耐久性等性能;当掺JM2000混凝土引气剂的混凝土含气量为4.0％左右时,引气混凝土具有良好的新拌性能和耐久性能。该引气剂与其它类型外加剂可复合使用,应用方便。
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| 关 键 词： | 引气剂 混凝土 含气量 冻融性能 耐久性 |
Study of JM 2000 New Type Concrete Air-Entraining Agent |
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| YOU You-kun et al // the Institute of BuildingScience of Jiangsu Province. Study of JM 2000 New Type Concrete Air-Entraining Agent[J]. Chemical Materials for Construction, 2002, 18(4): 39-41 |
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| Authors: | YOU You-kun et al // the Institute of BuildingScience of Jiangsu Province |
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| Affiliation: | YOU You-kun et al // the Institute of BuildingScience of Jiangsu Province |
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| Abstract: | The properties of JM 2000 new type concrete air-entraining agent lately developed is introduced in this paper. The varieties of air contents and stability of fresh air-entrained concrete, coefficient of water-reducing of unit air volume and bleeding of fresh concrete with addition rate of JM2000 new type air-entraining agent and performance of durability of hardened air-retrained concrete were tested. Test proved that air-retrained concrete with about 4% air contents at a dosage of JM 2000 new type air-retraining agent have a high quality of fresh performance and adequate durability. The air-retraining agent could be conveniently applied with other type admixture together. |
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| Keywords: | air-retraining agent concrete air content freezing and thawing durability |
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