DEVELOPMENT OF METHODS FOR CONTROLLING THE TECHNOLOGICAL PROCESS OF STRUCTURE FORMATION OF CONCRETE BASED ON CEMENT-DIATOMITE BINDERS BY ACOUSTIC EMISSION METHOD

The most important task of modern construction is to improve the efficiency, quality, environmental safety, reliability, and durability of structures and facilities, considering the reduction of material intensity and capital costs. Heat-insulating materials constitute a significant group of construction materials by volume and importance. The use of lightweight concrete in construction makes it possible to create enclosing structures that meet the modern requirements of housing comfort, architecture, urban planning, to reduce material intensity and costs of erecting buildings and their operation. Enclosing constructions from cellular concrete with high ecological characteristics are getting more and more application. The paper presents the results of research into the production of effective heat-insulating materials based on diatomites by forming cellular structures in the field of high frequency currents. The study also presents the substantiation of the principles of formulation and technological regulation of their properties. In the process of research, the technological modes of creation of cellular structures by sources of internal heat have been studied. The method of control and management of the processes of structure formation of porous materials obtained by the technology of internal heating in the fields of microwave currents has been developed. The studied control method allows using the average temperature mode of the system, not exceeding the optimum hydration temperature for microwave molding of cellular structures.