Abstract
The paper describes a new model of concrete production, which contains a glass cullet. A worn-out car side window have been used for the production of recycled glass aggregate (RGA) and its properties were examined. The RGA was used in concrete as a 50% and 100% mass substitute of the traditional aggregate. Basic tests of fresh concrete mix and hardened concrete were carried out. The consistency, the air content in the concrete mix, the density of hardened concrete, water absorption, water resistance, frost resistance, and the compressive strength (after 9, 28, and 90 days) were evaluated. Composite samples were also subjected to microscopic analysis. The results showed that the RGA can be recommended as an aggregate for concretes, and the features of the RGA concrete are more favorable than those of traditional concrete. The microscopic analyses allowed us to identify the reasons for improving the properties of the RGA composites.
Highlights
Almost all branches of industry significantly interfere with the natural environment, often degrading it
The microscopic analyses allowed us to identify the reasons for improving the properties of the recycled glass aggregate (RGA) composites
The main purpose of this work was to design a new cementitious composite that would contain in its volume a glass waste obtained from worn-out side windows and to examine its basic features
Summary
Almost all branches of industry significantly interfere with the natural environment, often degrading it. The priority here is proper waste management, and in particular, taking actions so that the largest possible quantities of wastes can be re-used [1,2]. This activity is intended to prevent the formation of unwanted waste heaps, and aims to reduce the extraction of natural resources. The best solution is the secondary use of a waste material for primary production, which means the same products. This issue, despite technical possibilities, often involves economic difficulties. Difficulties and costs resulting from the acquisition and adaptation of recycled material discourage manufacturers from the use of worn-out products for primary production
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