کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
511567 | 865871 | 2011 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Size effects in modeling diffusivity of hardened mortar
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی کامپیوتر
نرم افزارهای علوم کامپیوتر
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
A critical parameter for evaluating the resistance of concrete against chloride diffusion is effective diffusivity. While it can be obtained experimentally, this paper concerns computer simulations to estimate diffusivity of mortars as influenced by paste, aggregate, and interfacial effects. However, when performing such simulations, the size of the mortar sample modeled must be large enough to reliably characterize these randomly distributed effects, while remaining small enough for computational efficiency. The purpose of this paper is to report the influence of sample size on computed results and to recommend the smallest specimen size needed to obtain reliable estimates of diffusivity.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computers & Structures - Volume 89, Issues 9–10, May 2011, Pages 713–723
Journal: Computers & Structures - Volume 89, Issues 9–10, May 2011, Pages 713–723
نویسندگان
R.S.O. Keskin, K.C. Hover, M. Grigoriu,