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Steel and Composite Structures Volume 29, Number 1, October10 2018 , pages 67-75 DOI: https://doi.org/10.12989/scs.2018.29.1.067 |
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Dynamic mix design optimization of high-performance concrete |
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Ali Ziaei-Nia, Mahdi Shariati and Elnaz Salehabadi
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| Abstract | ||
| High performance concrete (HPC) depends on various parameters such as the type of cement, aggregate and water reducer amount. Generally, the ready concrete company in various regions according to the requirements and costs, mix design of concrete as well as type of cement, aggregates, and, amount of other components will vary as a result of moment decisions or dynamic optimization, though the ideal conditions will be more applicable for the design of mix proportion of concrete. This study aimed to apply dynamic optimization for mix design of HPC; consequently, the objective function, decision variables, input and output variables and constraints are defined and also the proposed dynamic optimization model is validated by experimental results. Results indicate that dynamic optimization objective function can be defined in such a way that the compressive strength or performance of all constraints is simultaneously examined, so changing any of the variables at each step of the process input and output data changes the dynamic of the process which makes concrete mix design formidable. | ||
| Key Words | ||
| high performance concrete; mix design; dynamic optimization | ||
| Address | ||
| (1) Ali Ziaei-Nia, Elnaz Salehabadi: Civil Engineering Department, Faculty of Engineering, Hakim Sabzevari University, Sabzevar, Iran; (2) Mahdi Shariati: Faculty of Civil Engineering, University of Tabriz, Tabriz, Iran; (3) Mahdi Shariati: Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia; (4) Mahdi Shariati: Department of Civil Engineering, Faculty of engineering, University of Malaya, Kuala Lumpur, Malaysia. | ||