employee
Moscow, Moscow, Russian Federation
Lipetsk, Lipetsk, Russian Federation
graduate student
Moscow, Moscow, Russian Federation
student
Moscow, Moscow, Russian Federation
UDC 691.33
CSCSTI 67.09
Russian Classification of Professions by Education 08.06.01
Russian Library and Bibliographic Classification 383
Russian Trade and Bibliographic Classification 5415
One of the main vectors of development in modern construction is the acceleration of the pace of construction produc-tion. The use of chemical additives is not always justified from a technical and economic point of view. Processing raw ma-terials in low-temperature non-equilibrium plasma is an environmentally safe, effective method that does not require com-plex modifications and re-adjustment of technological equipment. Modification of raw materials in NNTP leads to a reduc-tion in setting time, accelerated hardening of inorganic binders, as well as an increase in the performance characteristics of materials and products. In this work the effect of low-temperature plasma on the properties of high quality gypsum is investigated. Gypsum suspensions with gypsum concentration of 3 and 5% were subjected to the treatment, which were in-troduced into gypsum with mixing water. It has been proven that the use of plasma-modified gypsum suspensions acceler-ates the setting of gypsum paste by up to 35.5% and increases the flexural strength of gypsum stone to 10.5%, and compres-sion strength to 22%.
gypsum paste, gypsum stone, nonequilibrium low-temperature plasma (NLTP), plasma modification of gypsum suspension, strength, setting time
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