کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
256558 503555 2015 12 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Efficiency of ternary blends containing fine glass powder in mitigating alkali–silica reaction
ترجمه فارسی عنوان
کارایی مخلوط های سه گانه حاوی پودر شیشه ای خوب در کاهش آلکالن واکنش سیلیکا
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موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
چکیده انگلیسی


• Synergistic role of a finely ground glass powder with other SCMs was evaluated.
• Flow, pozzolanic reactivity and ASR mitigation in mortar mixtures were evaluated.
• Flow of ternary blends with glass is superior over binary blends for all SCMs.
• Blends of glass with slag/fly ash were superior over binary blends in all regards.

In this study potential synergistic role of a finely ground glass powder in binary and ternary cementitious blends with conventional SCMs such as meta-kaolin, fly ash and slag was evaluated. Strength activity index, thermo-gravimetric analysis (TGA) and mortar bar tests were conducted to study the pozzolanic behavior and ASR mitigation ability. The results from this study showed that ternary mixtures consisting of finely ground soda glass with either slag or Class C fly ash out-performed binary mixtures consisting of each of these SCMs at an equivalent dosage level. Binary mixtures consisting of meta-kaolin out-performed ternary mixtures consisting of ground glass powder with meta-kaolin at equivalent dosage level. Among all the binary and ternary mixtures that contained 30% level of SCMs, the maximum strength activity index and the most efficient ASR mitigation was obtained in ternary mixtures consisting of at least 10% glass powder. The results from TGA studies supported these findings.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Construction and Building Materials - Volume 100, 15 December 2015, Pages 234–245
نویسندگان
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