Drying, moisture distribution, and shrinkage of cement-based materials

被引：34
|
作者：
T. Ayano
F. H. Wittmann
机构：
[1] Okayama University,Department of Environmental and Civil Engineering, Faculty of Environmental Science and Technology
[2] Swiss Federal Institute of Technology,Institute for Building Materials
来源：
Materials and Structures | 2002年 / 35卷 / 3期
关键词：
Film Coefficient; Aluminum Sheet; Moisture Loss; Moisture Transfer; Moisture Distribution;
D O I：
10.1007/BF02533581
中图分类号：
学科分类号：
摘要：
The aim of this study was to develop a new method to determine hygral diffusion, film, and shrinkage coefficients of cement-based materials. These coeffcients are required for the numerical simulation of shrinkage strain and total deformation of concrete elements and structures using the finite element method. Both an experimental approach to determine the time-dependent relative humidity in the pore system of concrete and a numerical method to determine material coefficients on the basis of experimental data are described in this paper. The hygral diffusion coefficient can be expressed as function of moisture content and as function of relative humidity.
引用
收藏
页码：134 / 140
页数：6
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