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Influence of fine ceramic aggregates on the residual properties of concrete subjected to elevated temperature

机译：细陶瓷骨料对高温下混凝土残余性能的影响

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摘要

The residual properties of concrete subjected to elevated temperature are of importance to assess the stability of the structure. This paper investigates the performance of concrete containing white ware ceramic sand exposed to elevated temperature. Concrete mixes containing 0%, 50%, and 100% ceramic sand were prepared. The specimen were exposed to elevated temperatures of 200 degrees C, 500 degrees C, and 800 degrees C for a duration of 60minutes. Their residual mechanical properties (compressive strength, split tensile strength), ultra sonic pulse velocity, and mass change for different cooling regimes were investigated and compared among specimen. The results showed that incorporation of ceramic sand in concrete mixes improved the resistance against elevated temperature of hardened concrete.
机译：高温下混凝土的残余性能对于评估结构的稳定性很重要。本文研究了含有白色陶瓷砂的混凝土在高温下的性能。制备了含有0％，50％和100％陶瓷砂的混凝土混合物。将样品暴露于200摄氏度，500摄氏度和800摄氏度的高温下60分钟。研究了它们在不同冷却方式下的残余机械性能（抗压强度，抗拉强度），超声波脉冲速度和质量变化，并进行了比较。结果表明，在混凝土混合物中掺入陶瓷砂提高了硬化混凝土的抗高温性能。

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  • 来源
    《Fire and materials》 |2018年第7期|834-842|共9页
  • 作者

    Rajawat Deepak; Siddique Salman; Shrivastava Sandeep; Chaudhary Sandeep; Gupta Trilok;

  • 作者单位

    Malaviya Natl Inst Technol Jaipur, Dept Civil Engn, Jaipur, Rajasthan, India;

    Malaviya Natl Inst Technol Jaipur, Dept Civil Engn, Jaipur, Rajasthan, India;

    Malaviya Natl Inst Technol Jaipur, Dept Civil Engn, Jaipur, Rajasthan, India;

    Indian Inst Technol Indore, Discipline Civil Engn, Indore 453552, Madhya Pradesh, India;

    MPUAT, Dept Civil Engn, Coll Technol & Engn, Udaipur, Rajasthan, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    ceramic sand; concrete; elevated temperature; mechanical properties;

    机译：陶瓷砂;混凝土;高温;力学性能;

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