کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1455457 | 1509698 | 2008 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effects of RHA on autogenous shrinkage of Portland cement pastes
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی صنعتی و تولید
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effects of RHA on autogenous shrinkage of Portland cement pastes Effects of RHA on autogenous shrinkage of Portland cement pastes](/preview/png/1455457.png)
چکیده انگلیسی
In this work, the effects of partial replacements of Portland cement by rice-husk ash (RHA) on the autogenous shrinkage were investigated. Pastes with water/binder ratio 0.30 and substitutions of 5% and 10% cement by RHA were tested. Two RHAs, both amorphous and partially crystalline, were studied. Comparisons between pastes with silica fume, and control pastes (without RHA or silica fume) are presented. Autogenous deformations, internal relative humidity and compressive strength were recorded. The RHA, amorphous or partially crystalline, when used in an appropriate way, reduces autogenous shrinkage.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cement and Concrete Composites - Volume 30, Issue 10, November 2008, Pages 892–897
Journal: Cement and Concrete Composites - Volume 30, Issue 10, November 2008, Pages 892–897
نویسندگان
Gemma Rodríguez de Sensale, António B. Ribeiro, Arlindo Gonçalves,