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http://dx.doi.org/10.14190/JRCR.2020.8.4.387

Field Applicability Evaluation of Control Low Strength Materials as Utilizing Various Industrial by-Products  

Liao, Xiao-kai (Department of Architectural Engineering, Tong Myong University)
Kim, Dong-Hun (Department of Architectural Engineering, Tong Myong University)
Publication Information
Journal of the Korean Recycled Construction Resources Institute / v.8, no.4, 2020 , pp. 387-394 More about this Journal
Abstract
In this research, a physical property test of CLSM, which can safely and effectively utilize a great number of industrial byproducts and waste types, was used to review the applicability of GBFS, FNS, and FGB, as well as their field applicabilities as cavity fillers, and the following conclusions have been reached. first, For CLSM utilizing GBFS, FNS, and FGB, it was revealed that a proper mixing of over 30% of GBFS and FNS or within 5% of FGB is effective in improving the fluidity for field application. second, It was revealed that GF15B5 can suppress bleeding at a similar level as the base, whereas GF30B5 can do so at about 0.17% compared to the base. It was also verified that GF15, GF30, and GF45 can suppress bleeding at about 0.2%, 0.26%, and 0.3%, respectively, compared to the base. third, Both GF15B5 and GF30B5 exceeded 0.4MPa in 7day strength tests to satisfy the field application and, also, the rates of increase of their initial strengths were found to be 323% and 233% higher than the base, respectively. Meanwhile, the 7day strength test of GF, which utilizes GBFS and FNS, also reached over 0.2MPa for field application, and it was revealed that GF15, GF30, and GF45 show 160%, 237%, and 185% higher strength increase rates, respectively, compared to the base.
Keywords
Slurry materials; Cavity fillers; Fly ash; High flowable; Recycling;
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Times Cited By KSCI : 1  (Citation Analysis)
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