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http://dx.doi.org/10.4334/JKCI.2006.18.2.151

Optimized Mix Proportioning of Steel and Hybrid Reinforced Concrete Using Harmony Search Algorithm  

Lee, Chi-Hoon (Institute of Construction Tech. DongHo Co. Ltd.)
Lee, Joo-Ha (Dept. of Civil & Environmental Engineering. Korea University)
Yoon, Young-Soo (Dept. of Civil & Environmental Engineering. Korea University)
Publication Information
Journal of the Korea Concrete Institute / v.18, no.2, 2006 , pp. 151-159 More about this Journal
Abstract
The guide line of the SFRC mix design was not established, and the convenience of the practical application on the spot is not so good. In this paper, hence, the program which is optimized to result the mix proportion by the flexural strength and toughness, was developed to apply to SFRC on the practical spot. This program could minimize the number of trial mixes and get an economical and appropriate mixture. In addition, the theoretical background on which the program is based, will be the basis of the embodied method to mixing SFRC. Additionally, new algorithm, in this paper, was used to develop the mix proportioning program of SFRC. The new algorithm is the Harmony Search which is the heuristic method mimicking the improvisation of music players, Musical performances seek a best state determined by aesthetic estimation, as the optimization algorithms seek a best state determined by objected function value. And, it was developed the program about single fiber reinforced concrete, beside to the hybrid fiber reinforced concrete that two kinds of steel fibers, which have the different geometry, was reinforced. This will be able to keep the world trend to study, hence, offers the basis of the next research about hybrid fiber reinforced concrete.
Keywords
harmony search; steel fiber; hybrid fiber; mix proportioning program; optimization;
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