کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7884794 1509717 2018 13 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Inverse analyses of effective diffusion parameters relevant for a two-phase moisture model of cementitious materials
ترجمه فارسی عنوان
تجزیه و تحلیل معکوس پارامترهای انتشار موثر مربوط به مدل رطوبت دو مرحله ای مواد سیمان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی صنعتی و تولید
چکیده انگلیسی
Here we present an inverse analyses approach to determining the two-phase moisture transport properties relevant to concrete durability modeling. The purposed moisture transport model was based on a continuum approach with two truly separate equations for the liquid and gas phase being connected by the sorption kinetics. The moisture properties of ten binder-systems containing fly ash, calcined clay, burnt shale and gray micro-filler, were investigated experimentally. The experiments used were, (i) sorption test (moisture fixation), (ii) cup test in two different relative humidity intervals, (iii) drying test, and, (iv) capillary suction test. Mass change over time, as obtained from the drying test, the two different cup test intervals and the capillary suction test, was used to obtain the effective diffusion parameters using the proposed inverse analyses approach. The moisture properties obtained with the proposed inverse analyses method provide a good description of the test period for the ten different binder-systems.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cement and Concrete Research - Volume 106, April 2018, Pages 117-129
نویسندگان
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