粉煤灰水泥浆体的分形结构研究
发布时间: 2006-04-02 00:00 查看: 3061次
简要介绍了用X射线小角散射分析技术测定多孔固体材料中气孔固体界面分形维数的理论,并将这一理论用于测定粉煤灰水泥浆体的分形结构.实验结果表明,粉煤灰水泥浆体具有面分形结构特征.此外,对分形维数与抗压强度的关系也进行了探讨.
关键词 分形;X射线小角散射;粉煤灰水泥浆体;抗压强度
中图号 TU528.2
Study on Fractal Structure of Fly Ash-Cement Pastes
Jiang Linhua
(College of Civil Engineering,Hohai Univ.,Nanjing 210098)
Zhu Weihua
(Dept.of Mathematics and Physics,Hohai Univ.,Nanjing 210098)
Xia Songyou
(College of Water Conservancy and Hydropower Engineering,Hohai Univ.,Nanjing 210098)
Abstract In this paper,a method to determine the fractal dimension of pore-solid interface in porous solid materials by the small angle X-ray scattering(SAXS) is introduced.This method is also used to determine the fractal structure of fly ash-cement pastes.Experimental results show that fly ash-cement pastes have surface fractal structure characteristics.In addition,the relationship between the fractal dimension and compressive strength is approached.
Key words fractal;SAXS;fly ash-cement pastes;compressive strength
关键词 分形;X射线小角散射;粉煤灰水泥浆体;抗压强度
中图号 TU528.2
Study on Fractal Structure of Fly Ash-Cement Pastes
Jiang Linhua
(College of Civil Engineering,Hohai Univ.,Nanjing 210098)
Zhu Weihua
(Dept.of Mathematics and Physics,Hohai Univ.,Nanjing 210098)
Xia Songyou
(College of Water Conservancy and Hydropower Engineering,Hohai Univ.,Nanjing 210098)
Abstract In this paper,a method to determine the fractal dimension of pore-solid interface in porous solid materials by the small angle X-ray scattering(SAXS) is introduced.This method is also used to determine the fractal structure of fly ash-cement pastes.Experimental results show that fly ash-cement pastes have surface fractal structure characteristics.In addition,the relationship between the fractal dimension and compressive strength is approached.
Key words fractal;SAXS;fly ash-cement pastes;compressive strength
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