期刊论文

Simulation of Segregation of Self Compacting Barite Concrete with Spherical Random Aggregate Model

中文

南华大学学报(自然科学版)

1673-0062

2023

37

3

30-37

10.19431/j.cnki.1673-0062.2023.03.005

2015JC3090:湖南省科技厅重点研发计划项目 14JJ2083:湖南省自然科学基金资助项目

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近年来,具备良好防辐射性能及良好施工性能的自密实重晶石混凝土较多地用于核电站的建设,然而重晶石骨料密度较大,更容易导致混凝土离析,离析会对混凝土的质量产生重大不利影响,以往多采用试验方法研究,费时费力且数据离散性较大。本...展开更多 近年来,具备良好防辐射性能及良好施工性能的自密实重晶石混凝土较多地用于核电站的建设,然而重晶石骨料密度较大,更容易导致混凝土离析,离析会对混凝土的质量产生重大不利影响,以往多采用试验方法研究,费时费力且数据离散性较大。本文将自密实重晶石混凝土看作由粗骨料和砂浆组成的两相复合材料,骨料看作刚性球体,砂浆采用宾汉姆流体模型,运用MATLAB编...

In recent years,self-compacting barite concrete with good radiation protection performance and good construction performance has been mostly used in the construction of nuclear power plants.However,the density of barite aggregate is relatively high,which is more likely ...MORE In recent years,self-compacting barite concrete with good radiation protection performance and good construction performance has been mostly used in the construction of nuclear power plants.However,the density of barite aggregate is relatively high,which is more likely to...