| 浆体中连续粒径粉体的堆积密度计算方法 |
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| 引用本文： | 郭晔,朱宝林,黄新,马保国,朱洪波.浆体中连续粒径粉体的堆积密度计算方法[J].混凝土,2006(2):3-5. |
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| 作者姓名： | 郭晔 朱宝林 黄新 马保国 朱洪波 |
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| 作者单位： | 1. 北京航空航天大学,土木工程系,北京,100083
2. 武汉理工大学,硅酸盐材料工程教育部重点实验室,湖北,武汉,430070 |
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| 摘 要： | 本文将浆体中的粉体颗粒及其表面包裹着的一层水膜作为复合颗粒，从而将求浆体中粉体颗粒堆积密度的问题转化为求假想干粉体系复合颗粒堆积密度的问题，在Stovall模型的基础上推导了浆体中连续粒径粉体的堆积密度计算方法，并通过试验确定了待定参数。本方法可以用于模拟水泥、磨细矿粉、粉煤灰等胶凝材料细颗粒的堆积密度。
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| 关 键 词： | 浆体 粉体 堆积密度 连续粒径 计算方法 |
| 文章编号： | 1002-3550（2006）02-0003-03 |
| 收稿时间： | 2005-01-19 |
| 修稿时间： | 2005年1月19日 |
A calculation method for packing density of powder in paste with continuous particle size distribution |
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| GUO Ye,ZHU Bao-lin,HUANG Xin,MA Bao-guo,ZHU Hong-bo.A calculation method for packing density of powder in paste with continuous particle size distribution[J].Concrete,2006(2):3-5. |
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| Authors: | GUO Ye ZHU Bao-lin HUANG Xin MA Bao-guo ZHU Hong-bo |
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| Affiliation: | 1. Department of Civil Engineering, Beihang University, Beijing 100083, China; 2. Key Laboratory for Silicate Materials Science and Engineering of Ministry of Education, Wuhan University of Technology, Wuhan 430070, China |
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| Abstract: | By regarding the powder particles wrapped with water film as compounded particles, the packing density of powder particles in actual paste system is transformed into the packing density of compounded particles in imaginary dry-particle system. Based on Stovall Modal, a calculation method for packing density of powder with continuous particle size distribution in paste is developed, and the parameters in the method are identified by experiment. This calculation method could be used to simdate the packing density of cementitious materials such as cement, fine slag, and fly ashes. |
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| Keywords: | paste powder packing density continuous particle size distribution calculation method |
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