UDK 691.33 Бетоны и искусственные камни на основе других неорганических вяжущих вместо цемента
GRNTI 67.09 Строительные материалы и изделия
OKSO 08.06.01 Техника и технологии строительства
BBK 383 Строительные материалы и изделия
TBK 5415 Строительные материалы и изделия. Производство стройматериалов
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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