[1]高礼雄,杜雪刚,孔丽娟.石灰石粉对水泥基材料抗碳硫硅钙石侵蚀破坏的定量分析[J].东南大学学报(自然科学版),2012,42(3):483-486.[doi:10.3969/j.issn.1001-0505.2012.03.017]
 Gao Lixiong,Du Xuegang,Kong Lijuan.Quantitative analysis of effect of limestone powder on resistance of thaumasite attack to cement-based materials[J].Journal of Southeast University (Natural Science Edition),2012,42(3):483-486.[doi:10.3969/j.issn.1001-0505.2012.03.017]
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石灰石粉对水泥基材料抗碳硫硅钙石侵蚀破坏的定量分析()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
42
期数:
2012年第3期
页码:
483-486
栏目:
材料科学与工程
出版日期:
2012-05-20

文章信息/Info

Title:
Quantitative analysis of effect of limestone powder on resistance of thaumasite attack to cement-based materials
作者:
高礼雄 杜雪刚 孔丽娟
石家庄铁道大学材料科学与工程学院, 石家庄 050043
Author(s):
Gao Lixiong Du Xuegang Kong Lijuan
School of Materials Science and Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
关键词:
水泥基材料 硫酸盐侵蚀 石灰石粉 碳硫硅钙石 定量分析
Keywords:
cement-based material sulfate attack limestone powder thaumasite quantitative analysis
分类号:
TU528
DOI:
10.3969/j.issn.1001-0505.2012.03.017
摘要:
为了研究石灰石粉对水泥基材料抗碳硫硅钙石侵蚀性的影响,将掺0%,16%和30%石灰石粉的试件在温度5 ℃、质量分数10%的MgSO4溶液中养护,然后对不同龄期试件进行力学性能测试,并对侵蚀产物进行X射线衍射、拉曼光谱定性分析及Rietveld方法定量分析.结果表明:在温度5 ℃、10%MgSO4溶液侵蚀环境下,纯水泥试件侵蚀产物中碳硫硅钙石占0.99%,掺16%和30%石灰石粉水泥试件中碳硫硅钙石分别占7.54%和12.68%,且随着石灰石粉掺量的增加碳硫硅钙石的生成量随之增多,发生碳硫硅钙石型硫酸盐侵蚀破坏的可能性增大.
Abstract:
In order to study the effect of limestone powder on the resistance of thaumasite attack to cement-based materials, specimens made with addition of 0%, 16% and 30% limestone powder were stored in 10% magnesium sulfate solution at 5 ℃. Their strength were measured after different storage times. Reaction products were analyzed qualitatively by X-ray diffraction(XRD), laser Raman spectrum and Rietveld method. The results indicate that thaumasite accounts for 0.99% in the erosion products of pure cement specimens, and 7.54% and 12.68% respectively in the erosion products of 16% and 30% content limestone powder specimens in 10% MgSO4 sulfate solution at 5 ℃. This means that the resistance of thaumasite attack to cement-based materials becomes poorer with the increase of limestone powder content.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 高礼雄(1969—),男,博士,副教授,lixionggao@163.com.
基金项目: 中国建筑材料科学研究总院绿色建筑材料国家重点实验室开放基金资助项目(533001).
引文格式: 高礼雄,杜雪刚,孔丽娟.石灰石粉对水泥基材料抗碳硫硅钙石侵蚀破坏的定量分析[J].东南大学学报:自然科学版,2012,42(3):483-486. [doi:10.3969/j.issn.1001-0505.2012.03.017]
更新日期/Last Update: 2012-05-20