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碳硫硅钙石型硫酸盐侵蚀 被引量：14

Thaumasite Form of Sulfate Attack
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摘要 介绍了碳硫硅钙石型硫酸盐侵蚀(TSA)的形成机理、形成条件、侵蚀模型、影响因素、预防和处理措施。形成机理包括溶液反应机理和硅钙矾石转变机理;侵蚀模型可分为化学模型和物理模型;形成条件包括硫酸盐、硅酸盐、碳酸盐、水和低温;影响因素主要有水泥种类、C3A和Al2O3含量、矿物掺合料、pH值、侵蚀介质、水胶比等。 Formation mechanism, formation condition, the erosion model, the influence factors, some prevenuon and treatment measures of thaumasite form of sulfate attack（TSA） are introduced. The formation mechanism includes solution reaction mechanism and woodfordite transformation mechanism. The erosion model includes chemical model and physical model. The formation of thaumasite usually needs five conditions： sulfate, silicate, carbonate, water and low temperature. TSA are always influenced by cement type, C3 A and Al2O3 content, mineral admixture, pH value, aggressive medium and water-binder ratio.
作者 肖佳 勾成福 许彩云
机构地区 中南大学土木建筑学院
出处 《材料导报》 EI CAS CSCD 北大核心 2011年第1期132-137,共6页 Materials Reports
基金 国家自然科学基金项目(50678177)
关键词 碳硫硅钙石 形成机理 侵蚀模型 影响因素 措施 thaumasite, formation mechanism, erosion model, influence factor, measures
分类号 TU37 [建筑科学—结构工程]
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参考文献52

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二级参考文献51

  • 1马保国,高小建,何忠茂,董荣珍.混凝土在SO_4^(2-)和CO_3^(2-)共同存在下的腐蚀破坏[J].硅酸盐学报,2004,32(10):1219-1224. 被引量：47
  • 2高小建,马保国,朱洪波.含石灰石粉水泥砂浆在低温环境中的硫酸盐侵蚀[J].材料研究学报,2005,19(6):644-650. 被引量：23
  • 3马保国,高小建,罗忠涛.矿物掺合料对水泥砂浆TSA侵蚀的影响[J].材料科学与工程学报,2006,24(2):230-234. 被引量：17
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2011年 第1期

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