A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
REINFORCING FIBRES AS PART OF TECHNOLOGY OF CONCRETES
Methods of modification of the foamed fibre concrete technology and optimization of its parameters within the framework of methodologies of new construction materials developed by the specialists of Department of Technology of Finishing and Insulation Materials of MSUCE is considered in the paper. The methodology of highly porous materials is based on the research and modeling of their structure, and optimization of the process of their manufacturing. The core constituent of the proposed methodology is the identification of the markets for the designed products, as well as the pre-setting of their properties and assurance of their stability over the time. The foamed fibre concrete technology represents modified procedures of preparation of the foam, the mineral component, and the basalt fiber, the blending of the components, their casting and heat treatment. The process-related parameters were subjected to double-staged analysis: Stage 1 represented an experiment encompassing the whole process. As a result of the experiment, factors of major impact (or control parameters) were identified. At Stage 2, factorial experiment was conducted to identify second-order mathematical dependencies. The results were subjected to analytical optimization, and graphical representation of dependencies was performed. Selection of the composition and optimal process parameters was performed with the help of G-BAT-2011 software programme developed at MSUCE. It was identified that the basalt fibre consumption rate influences both the strength and the density of products made of cellular concrete. The length of the basalt fibre impacts the strength of products. A nomogram was developed to identify the consumption rate of the basalt fibre driven by the strength of products and the Portland cement consumption rate. The authors also studied the influence of the consumption rate of Portland cement and basalt fibre onto the structural quality ratio of the foamed fibre concrete.
REINFORCING FIBRES AS PART OF TECHNOLOGY OF CONCRETES
Methods of modification of the foamed fibre concrete technology and optimization of its parameters within the framework of methodologies of new construction materials developed by the specialists of Department of Technology of Finishing and Insulation Materials of MSUCE is considered in the paper. The methodology of highly porous materials is based on the research and modeling of their structure, and optimization of the process of their manufacturing. The core constituent of the proposed methodology is the identification of the markets for the designed products, as well as the pre-setting of their properties and assurance of their stability over the time. The foamed fibre concrete technology represents modified procedures of preparation of the foam, the mineral component, and the basalt fiber, the blending of the components, their casting and heat treatment. The process-related parameters were subjected to double-staged analysis: Stage 1 represented an experiment encompassing the whole process. As a result of the experiment, factors of major impact (or control parameters) were identified. At Stage 2, factorial experiment was conducted to identify second-order mathematical dependencies. The results were subjected to analytical optimization, and graphical representation of dependencies was performed. Selection of the composition and optimal process parameters was performed with the help of G-BAT-2011 software programme developed at MSUCE. It was identified that the basalt fibre consumption rate influences both the strength and the density of products made of cellular concrete. The length of the basalt fibre impacts the strength of products. A nomogram was developed to identify the consumption rate of the basalt fibre driven by the strength of products and the Portland cement consumption rate. The authors also studied the influence of the consumption rate of Portland cement and basalt fibre onto the structural quality ratio of the foamed fibre concrete.
REINFORCING FIBRES AS PART OF TECHNOLOGY OF CONCRETES
Zhukov Aleksey Dmitrievich (author) / Rudnitskaya Viktoriya Aleksandrovna (author) / Smirnova Tat'yana Viktorovna (author)
2012
Article (Journal)
Electronic Resource
Unknown
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