The influence of the energy potential of fiber on the structure and properties of foam concrete manufactured using single-stage technology

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The relevance of the development of technology of dispersed reinforced foam concrete is briefly noted and the purpose of the work is formulated. Within the framework of clarifying the features of mass transfer occurring in foam concrete mixtures during the period of predominance of viscous bonds between the components of raw materials, the properties of foam films depending on the speed of phase transition, directions of movement of the liquid phase and affecting the quality of the macrostructure of hardened foam concrete are highlighted. A hypothesis is proposed to ensure the stability of the dispersed gas phase with the structure of foam concrete mixtures, which was confirmed during the experimental studies performed. The emergence of an electret energy potential on the surface of polypropylene fiber in the manufacture of foam concrete mixtures using single-stage technology has been scientifically substantiated. It is established that the magnitude of the electret effect depends on the consumption of fiber and has a positive effect on the technological and physico-mechanical properties of foam concrete.

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作者简介

L. Morgun

Don State Technical University

编辑信件的主要联系方式.
Email: konst-lvm@yandex.ru

Doctor of Sciences (Engineering)

俄罗斯联邦, 1, Gagarina Square, Rostov-on-Don, 344001

V. Nagorskiy

Don State Technical University

Email: l_nag@bk.ru

Graduate student

俄罗斯联邦, 1, Gagarina Square, Rostov-on-Don, 344001

V. Morgun

Southern Federal University

Email: vnmorgun@sfedu.ru

Candidate of of Sciences (Engineering)

俄罗斯联邦, 105/42, Bolshaya Sadovaya Street, Rostov-on-Don, 344006

参考

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2. Fig. 1. Laboratory turbulent mixer

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3. Fig. 2. The effect of dispersed reinforcement on the ability of foam concrete mixtures to retain their macrostructure during the phase transition from a viscous-plastic state to an elastic state: a – foam concrete mixture without fiber; b – foam concrete mixture with fiber

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