掺粉煤灰面板混凝土导温系数试验研究

发布时间：2018-05-30 09:14

本文选题：面板混凝土 + 水灰比　；参考：《电网与清洁能源》2017年06期

【摘要】：导温系数对研究面板混凝土材料温度分布及温度应力具有重要意义,为了研究掺粉煤灰面板混凝土导温系数,通过制作6组面板混凝土试件,分别控制面板混凝土试件水灰比(w/c值)为0.45、0.42、0.38,粉煤灰替代水泥掺量为0.15、0.25、0.35,试验分析在水灰比、粉煤灰掺量影响下面板混凝土导温系数的变化规律。结果表明,面板混凝土的导温系数随w/c值及粉煤灰掺量的增大而增大,混凝土w/c值、粉煤灰掺量与导温系数的线性拟合结果良好,呈线性变化。文中所得试验结果对混凝土面板堆石坝工程设计施工具有一定的借鉴意义和参考价值。
[Abstract]:The temperature conductivity coefficient is of great significance to the study of temperature distribution and temperature stress of concrete facing material. In order to study the temperature conductivity coefficient of slab concrete with fly ash, six groups of concrete face concrete specimens are made. The water / cement ratio (w / c) of concrete face concrete specimens is 0.455 / 0.42 / 0.38 respectively, and the content of fly ash instead of cement is 0.15 / 0.25 / 0.35 respectively. The temperature conductivity coefficient of slab concrete is analyzed under the influence of water / cement ratio and fly ash content. The results show that the temperature conductivity coefficient of concrete slab increases with the increase of w / c value and fly ash content, and the linear fitting results of w / c value, fly ash content and temperature conductivity coefficient of concrete are good, showing a linear change. The experimental results obtained in this paper have certain reference significance and reference value for the design and construction of concrete face rockfill dam.
【作者单位】：西安理工大学水利水电学院;中水珠江规划勘测设计有限公司上海分公司;
【基金】：国家自然科学基金项目(50779051)~~
【分类号】：TV431

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