کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7884461 | 1509712 | 2018 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Properties of quicklime(CaO)-activated Class F fly ash with the use of CaCl2
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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: Properties of quicklime(CaO)-activated Class F fly ash with the use of CaCl2 Properties of quicklime(CaO)-activated Class F fly ash with the use of CaCl2](/preview/png/7884461.png)
چکیده انگلیسی
This study reports the significant effect of CaCl2 on strength improvement in CaO-activated Class F fly ash system. In these systems, the presence of CaCl2 promotes (1) a higher degree of fly ash dissolution, (2) increasing C-S-H formation, and (3) an overall reduction of pore size and volume, resulting in increased strength. However, while more C-S-H, which is responsible for strength increase, was produced with higher CaCl2 content, extreme doses of CaCl2 resulted in strength degradation; more importantly, the best quantity of CaCl2 for the greatest strength was dependent on the water-to-binder weight ratio (w/b). This dependency was closely related to the formation of calcium oxychloride, which generally causes severe expansive cracking and depends on w/b.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cement and Concrete Research - Volume 111, September 2018, Pages 147-156
Journal: Cement and Concrete Research - Volume 111, September 2018, Pages 147-156
نویسندگان
Dongho Jeon, Woo Sung Yum, Yeonung Jeong, Jae Eun Oh,