Performance of blended ash geopolymer concrete at elevated temperatures

M. W. Hussin; M. A. R. Bhutta; M. Azreen; P. J. Ramadhansyah; J. Mirza

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Performance of blended ash geopolymer concrete at elevated temperatures

机译：灰烬地聚合物在高温下的性能。

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This study involved laboratory investigation of the performance of blended ash geopolymer concrete at elevated temperatures. Geopolymer concrete composite was prepared using blended ash, pulverized fuel ash, and palm oil fuel ash, obtained from agro-industrial waste along with alkaline activators. The samples were heated up to 800 ℃ to evaluate mass loss, strength, and microstructural changes due to thermal impact. Ordinary Portland cement (OPC) concrete was prepared as control concrete. The deterioration of concrete at elevated temperatures was examined by X-ray diffraction, fourier transformed infrared spectrometer, thermogravimetry analyser and field emission scanning electron microscope. A comparison between the performance of geopolymer and OPC concretes-the former exhibited better performance at elevated temperature.

机译：这项研究涉及在高温下对灰烬土工聚合物混凝土的性能进行实验室研究。使用从农用工业废料和碱性活化剂获得的混合灰，粉状燃料灰和棕榈油燃料灰制备地聚合物混凝土复合材料。将样品加热到800℃，以评估由于热冲击引起的质量损失，强度和微观结构变化。制备普通的波特兰水泥（OPC）混凝土作为对照混凝土。通过X射线衍射，傅立叶变换红外光谱仪，热重分析仪和场发射扫描电子显微镜检查了高温下混凝土的变质。地聚合物和OPC混凝土的性能比较-前者在高温下表现出更好的性能。

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来源
《Materials and structures》 |2015年第3期|709-720|共12页
作者
M. W. Hussin; M. A. R. Bhutta; M. Azreen; P. J. Ramadhansyah; J. Mirza;
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作者单位

UTM Construction Research Center (UTM CRC), Faculty of Civil Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia;

UTM Construction Research Center (UTM CRC), Faculty of Civil Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia;

Faculty of Civil Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia;

Faculty of Civil Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia;

Department of Robotics and Civil, Research Institute of Hydro-Quebec, Varennes, QC J3X ISI, Canada;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Agro-industrial waste; Alkaline activator; Blended ash; Elevated temperature Geopolymer concrete;

机译：农业工业废料;碱性活化剂;混合灰高温地质聚合物混凝土;

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Performance of blended ash geopolymer concrete at elevated temperatures

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