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All Journal Civil Engineering Journal
Andrei Chernil’nik
Department of Unique Buildings and Constructions Engineering, Don State Technical University, 344003 Rostov-on-Don,
Civil Engineering, Building, Construction & Architecture

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Influence of Sunflower Seed Husks Ash on the Structure Formation and Properties of Cement Concrete Evgenii M. Shcherban'; Sergey A. Stel'makh; Alexey N. Beskopylny; Levon R. Mailyan; Besarion Meskhi; Andrei Chernil’nik; Diana El'shaeva; Anastasia Pogrebnyak; Roman Yaschenko
Civil Engineering Journal Vol 10, No 5 (2024): May
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/CEJ-2024-010-05-08

Abstract

The limitation of the application of non-renewable materials is one of the solutions to the problem of the sustainable evolution of civilization in the 21st century. Using additional binders in concrete obtained from plant waste will be economically and environmentally beneficial and will also allow us to move closer to achieving sustainable development goals. This study searches for rational composition components and a methodological approach regarding the technological characteristics to get the highest quality elements and prime concrete properties on the basis of sunflower seed husk ash (SSHA). Experimental concrete specimens were manufactured with partial Portland cement substitution with SSHA amounts ranging from 2% to 16% by weight in increments of 2%. This study focuses on investigating the density and workability of the concrete mixture, along with the compressive strength, concrete density, and water absorption. This article used granulometric, microscopic, and X-ray phase analysis methods. Including SSHA in all considered ranges reduces the slump in concrete mixtures. The optimal SSHA content in concrete is up to 12%. An 8% SSHA content has been found to deliver the most favorable mechanical characteristics of the concrete studied. The compressive strength of the investigated concrete has increased by 14.89%, and water absorption has decreased by 15.78%. Doi: 10.28991/CEJ-2024-010-05-08 Full Text: PDF
Properties and Structure of Functional Concrete Mixtures Modified with River Shell Powder Sergey A. Stel’makh; Evgenii M. Shcherban’; Alexey N. Beskopylny; Nguyen Quang Hiep; Yamin Song; Diana Elshaeva; Andrei Chernil’nik; Alexandr A. Shilov; Memduh Karalar; Ceyhun Aksoylu; Yasin Onuralp Özkılıç
Civil Engineering Journal Vol 10, No 7 (2024): July
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/CEJ-2024-010-07-020

Abstract

The recycling of the aquaculture waste into clam powder reduces solid emissions and natural resources, which is important for Portland cement production. This study determines the feasibility of using recycled river shell waste as a partial replacement for cement in concrete technology. The study used normative methods and optical microscopy; the properties of cement mixtures, such as normal consistency, setting time (ST), compressive and flexural strength, were studied. Research findings have shown that the inclusion of river shell powder (RSP) in cement mixtures can reduce water demand and a decrease in setting time with increasing RSP content. It was also found that the strength of the cement mixture can be maintained with an RSP content of up to 10%. The following properties of the concrete were determined: workability, compressive strength (CS), and water absorption. Using RSP as a partial replacement for cement has been proven to elevate the slump of the fresh concrete cone. CS is maintained at a level comparable to the control composition, with an RSP content of no more than 8%, and water-absorbing is reduced by 7.31%. This study created new compositions, and the links between the ingredients, properties, and structure of cement composites modified with river shell powder were investigated. Additionally, the properties of the structure-formation process of these modified composites were studied. Doi: 10.28991/CEJ-2024-010-07-020 Full Text: PDF
Co-Authors Alexandr A. Shilov Alexey N. Beskopylny Alexey N. Beskopylny Anastasia Pogrebnyak Besarion Meskhi Ceyhun Aksoylu Diana El'shaeva Diana Elshaeva Evgenii M. Shcherban' Evgenii M. Shcherban’ Levon R. Mailyan Memduh Karalar Nguyen Quang Hiep Roman Yaschenko Sergey A. Stel'makh Sergey A. Stel’makh Yamin Song Yasin Onuralp Özkılıç