کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1454731 1509692 2013 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Field assessment of the relationship between natural and accelerated concrete carbonation resistance
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی صنعتی و تولید
پیش نمایش صفحه اول مقاله
Field assessment of the relationship between natural and accelerated concrete carbonation resistance
چکیده انگلیسی

The relationship between natural and accelerated concrete carbonation resistance has been investigated. Cores were taken from real structures and their non-carbonated inner part was subjected to accelerated carbonation resistance testing, allowing the assessment of natural and accelerated carbonation resistance on the same specimen.The carbonation resistance was characterised by means of a coefficient given by the ratio between carbonation depth and the square root of exposure time. According to the literature on the subject a linear relationship between accelerated and natural carbonation coefficients, not influenced by cement type, was assumed. A complementary experimental study was carried out to investigate how age influences accelerated carbonation resistance.Different factors, according to exposure classes, were determined by linear regression analysis to correlate accelerated and natural carbonation coefficients. The use of these factors together with Fick’s first law enables the long term prediction of carbonation depth in structures based on accelerated carbonation resistance testing.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cement and Concrete Composites - Volume 41, August 2013, Pages 9–15
نویسندگان
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