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| 摘要: |
| 为了研究基于现代施工工艺制成的混凝土导热系数,通过稳态平板导热仪对多种混凝土（包括普通混凝土、高强混凝土、再生混凝土以及配筋混凝土）试件进行了导热系数试验,考察了包括骨料体积分数、水灰比、骨料类型、外掺料掺量、温度、干湿状态及钢筋体积分数等因素对混凝土导热系数的影响;进一步考察了再生粗骨料取代率对再生混凝土导热系数的影响.通过这些因素的显著性分析,得到了各因素对混凝土导热系数影响的显著性大小依次为：干湿状态、再生粗骨料取代率、温度、骨料体积分数、骨料类型、钢筋体积分数、水灰比、掺和料种类. |
| 关键词: 导热系数 再生粗骨料 显著性分析 |
| DOI： |
| 分类号:TU528.01 |
| 基金项目:上海市青年科技启明星计划(跟踪)项目(06QH14012);;国家科技支撑计划项目(2008BAK48B03) |
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| An Experimental Study on Thermal Conductivity of Concrete |
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XIAO Jian-zhuang SONG ZHi-wen ZHANG Feng
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| Abstract: |
| In order to study thermal conductivity of concrete produced by modern construction technology,influencing factors on thermal conductivity of normal strength concrete,high performance concrete,recycled concrete as well as reinforced concrete were quantitatively investigated by the stable plate thermal conductivity meter.Seven testing variables,including the aggregate volume content, water-cement ratio(m_w/m_c),types of aggregate,admixture content,temperature,moisture of specimen and reinforcement volume cont... |
| Key words: thermal conductivity recycled coarse aggregate outstanding analysis |
