About the authors
| First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address. | Rustem Kh. Mukhametrakhimov, candidate of technical sciences, associate professor, Kazan State University of Architecture and Engineering, Kazan, Russian Federation. E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Liliya V. Ziganshina, candidate of technical sciences, senior researcher, Kazan State University of Architecture and Engineering, Kazan, Russian Federation. E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it |
| Title of the article | Types of defects in concrete and mortars in 3D concrete printing (3DCP) |
| Abstract. | Problem statement. The need to increase the efficiency of quality control of raw mixtures and printed products, to eliminate identified deficiencies in order to obtain high-quality construction products is impossible without identifying the types of defects that arise, damage and inconsistencies of concrete in 3D concrete printing (3DCP), which determines the relevance of the problem being solved. The purpose of the research is to develop a classification of defects in concrete and mortars formed during 3DCP. The objectives of the research are to carry out quality control of 3D-printed samples from concrete and mortar mixtures using visual and measuring methods, identify defects, establish the causes of their occurrence, develop definitions and symbols of defects and concrete and mortars based on mineral binders in additive construction technology. Results. The classification of defects, definitions and symbols of defects in concrete and mortars based on mineral binders in 3DCP has been developed, taking into account their formation during the process of molding, hardening and operation. The results obtained are recommended for use in documentation of all types of scientific, technical, educational and reference literature in the field of additive construction manufacturing. Conclusions. The significance of the results obtained for the construction industry is to ensure the unity of terminology for defects in concrete and mortars that arise in 3DCP, the ability to quickly and objectively identify their defects during 3D printing and make decisions to eliminate them (if necessary), improving the quality of construction products. |
| Keywords. | additive construction manufacturing, 3D printing, concrete, mortars, quality control, defects |
| For citations: | Mukhametrakhimov R.Kh., Ziganshina, L.V. Types of defects in concrete and mortars in 3D concrete printing (3DCP) // News KSUAE, 2024, № 1(67), p. 107-116, DOI: 10.48612/NewsKSUAE/67.11, EDN: OJRGGB |
