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首页> 外文期刊>The Indian concrete journal >Strength development in concrete using agricultural byproduct and use of soft computing models to predict strength parameter
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Strength development in concrete using agricultural byproduct and use of soft computing models to predict strength parameter

机译：利用农业副产品开发混凝土强度并使用软计算模型预测强度参数

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摘要

The potential of rice husk ash (RHA) as an alternate cementitious material was evaluated in this study. The physical, chemical and mineralogical characteristics of RHA were studied and analyzed. The Compressive strength, Split Tensile strength and Flexural strength of the RHA blended concrete was examined to peruse on the effect of RHA in concrete. The water to binder ratio of 0.4 and 0.45 was considered and concrete with five different dosage of RHA (OPC, 5%, 10%, 15%, 18% and 20%) were casted. Results of Compressive strength, Split Tensile strength and Flexural strength revealed that RHA provides a positive effect in the strength development at 28 days due to the excellent pozzoloanic effect of RHA in the blended concrete. The XRD test results and chemical analysis of RHA confirmed that RHA has potential to be used as alternate cementitious material. Through the analysis of strength results obtained in this study, it was established that RHA could be blended with cement without adversely affecting the strength properties of concrete. Also using a new statistical theory of the Support Vector Machine (SVM), strength parameters were predicted by developing a suitable model and as a result, the application of soft computing in concrete has been successfully presented in this research paper.
机译：在这项研究中评估了稻壳灰（RHA）作为替代胶凝材料的潜力。研究和分析了RHA的物理，化学和矿物学特征。研究了RHA掺混混凝土的抗压强度，抗拉强度和抗折强度，以研究RHA在混凝土中的作用。考虑水与粘合剂的比率为0.4和0.45，并浇铸了具有五种不同剂量的RHA（OPC，5％，10％，15％，18％和20％）的混凝土。抗压强度，分裂抗张强度和抗弯强度的结果表明，由于RHA在掺混混凝土中的优异的火山灰作用，RHA在28天的强度发展中发挥了积极作用。 RHA的XRD测试结果和化学分析证实，RHA有潜力用作替代胶凝材料。通过对本研究获得的强度结果进行分析，可以确定RHA可以与水泥共混而不会对混凝土的强度性能产生不利影响。此外，还使用支持向量机（SVM）的新统计理论，通过开发合适的模型来预测强度参数，因此，本研究成功地介绍了软计算在混凝土中的应用。

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  • 来源
    《The Indian concrete journal》 |2016年第7期|73-78|共6页
  • 作者

    Swaptik Chowdhury; Aastha Maniar; O.M. Suganya;

  • 作者单位

    Vellore Institute of Technology, Vellore;

    Vellore Institute of Technology, Vellore;

    School of Civil and Chemical Engineering, VIT University, Vellore, Tamil Nadu, India;

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