Evaluation of scc mixtures with the combined use of crumb rubber and recycled concrete aggregate
Evaluacija scc mešavina sa kombinacijom drobljene gume i recikliranog betonskog agregata
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Adopting sustainability in the construction industry emerged as crucial to achieving the United Na-tions Global Goals for Sustainable Development (SDGs). Rapid growth in the construction sector strains raw material resources such as natural aggregates (NA), possibly leading to their depletion. Furthermore, the growth of construction and demolition waste (CDW) intensifies the global issue of waste management as one of the largest waste streams worldwide. Since concrete is the main constit-uent of CDW, its recycling as aggregate (RCA) emerges as a prominent solution to the above-mentioned problems. On the other hand, potentially hazardous disposal of end-of-life tyres (ELTs) is another increasing waste problem. Incorporating recycled tyre rubber in concrete mixtures as a sub-stitute for natural aggregates is one possible solution. This paper aims to give some insights into the possibility of using crumb rubber (CR) and recycled concrete aggregate (RCA) as alternative aggre-gates in self-...compacting concrete (SCC) mixtures. For that purpose, the physical and mechanical properties of prepared SCC mixtures with CR and RCA were evaluated by tests performed on fresh and hardened concrete.
Keywords:
Self-Compacting Concrete / crumb rubber / recycled concrete aggregateSource:
10th International Conference on Renewable Electrical Power Sources, 2022, 2022Publisher:
- Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS) Society for Renewable Electrical Power Sources