上海大学学报(自然科学版) ›› 2013, Vol. 13 ›› Issue (5): 448-453.doi: 10.3969/j.issn.1007-2861.2013.05.002

• 环境与化学工程 • 上一篇    下一篇

钢渣掺入料对矿渣水泥性能的影响

严丽君1,2, 葛潭潭1, 张捷宇3, 朱俊虹4, 闫潇娟1, 何陈1, 王俊玺1,胡雪峰1   

  1. 1. 上海大学环境与化学工程学院, 上海200444; 2. 上海大学循环经济研究院, 上海200072;
    3. 上海大学材料科学与工程学院, 上海200072; 4. 南京钢铁联合有限公司新产品研发推广中心, 南京210035
  • 收稿日期:2012-12-25 出版日期:2013-10-28 发布日期:2013-10-28
  • 通讯作者: 严丽君(1970—), 女, 副教授, 博士, 研究方向为资源综合利用及环境材料开发. E-mail: ljyan@shu.edu.cn E-mail:ljyan@shu.edu.cn
  • 作者简介:严丽君(1970—), 女, 副教授, 博士, 研究方向为资源综合利用及环境材料开发. E-mail: ljyan@shu.edu.cn
  • 基金资助:

    国家自然科学重点基金资助项目(41130526); 上海市教委国际合作基金资助项目(12YZ019); 上海市重点学科纳米材料开放基金
    资助项目(B13010107010); 上海市重点学科建设资助项目(S30109);上海市大学生创新创业训练计划项目(B.05-0111-12-011)

Performance of Blast Furnace Slag Cement Mixed with Steel Slag

YAN Li-jun1,2, GE Tan-tan1, ZHANG Jie-yu3, ZHU Jun-hong4,YAN Xiao-juan1, HE Chen1, WANG Jun-xi1, HU Xue-feng1   

  1. 1. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China;
    2. Academy of Recycling Economy, Shanghai University, Shanghai 200072, China;
    3. School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China;
    4. New Product Development and Application Center, Nanjing Iron and Steel Co., Ltd., Nanjing 210035, China
  • Received:2012-12-25 Online:2013-10-28 Published:2013-10-28

摘要: 按照不同钢渣掺比制作了混凝土样块, 测定了不同钢渣掺比和不同养护条件下混凝土样块的抗压强度以及浸出pH 值, 研究了不同钢渣掺比下混凝土样块的抗压强度与水化反应的关系和机理. 实验结果表明: 20% 钢渣掺比为最佳掺比, 而超过30% 掺比之后的混凝土抗压强度逐渐下降; 混凝土样块在去离子水中的浸出pH 值随钢渣的掺比和混凝土样块碳化时间的不同而变化, 主要原因是钢渣含有一定量的低铁铝相.

关键词: pH 值, 钢渣, 混凝土, 强度

Abstract: Compressive strength tests of concrete specimens were made using different components of steel slag. The pH values of concrete specimens in water was determined after certain curing. Relationship between compressive strength and hydration reaction in various components of steel slag was analyzed. Experimental results show that the optimal steel slag-mixing ratio is 20%. The compressive strength of concrete decreases as the steel slag-mixing ratio is over 30%. The pH values of concrete differs significantly with the steel slag mixed and carbonization time of concrete specimens mainly because steel slag contains a reasonable amount of the low-Fe-Al phase.

Key words: concrete, pH value, steel slag, strength

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