Abstract
Purpose. Based on the study of the chemical and mineralogical composition of rocks, which are raw materials of stone processing enterprises, it is necessary to consider the feasibility of using finely dispersed waste of stone processing enterprises in the composition of concrete materials and products as a fine filler. Methodology. A conclusion, based on of a generalized analysis of the chemical and mineralogical composition of the rocks processed at the enterprises for the production of stone facing products, has been made about the expected composition of the pulp and its suitability for use in cement mortars. The limit of compressive strength of samples with different percentages of replacement of construction sand with waste from stone-working enterprises has been determined experimentally. Results. The analysis of the chemical and mineral composition of natural facing stone confirms the chemical inertness of finely dispersed waste from stone processing enterprises and the possibility of their use as a filler for cement solutions and concrete. On the basis of the results obtained in the course of experimental studies, a conclusion has been made about the increase in the strength limit of concrete samples with partial replacement of construction sand in the concrete recipe. An increase in the density of the obtained samples has also been observed Scientific novelty. The dependence of the content of fine-dispersed waste from stone-working enterprises processing natural stone from gabbro, granite, and labradorite deposits on the compressive strength limit of concrete samples, with their partial replacement of building sand in the concrete recipe, has been investigated. Practical significance. The ability to add fine-dispersed waste from stone-working enterprises to the composition of concrete when they replace construction sand has been proven. It makes it possible to develop a practical algorithm for using these wastes as secondary raw materials and save extractable natural resources.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Naukovyi visnyk Donetskoho natsionalnoho tekhnichnoho universytetu
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
