Development of Structural Elements using Modified Self Compacting Concrete (SCC) With Partial Replacement of Recycled Concrete Aggregate

Authors

  • B. Vidyasekar
  • K. G. Selvan

Abstract

Managing manufacturing and structural waste for afresh developed infrastructure contributes to an ecosystem that is environmentally sustainable.Recycled Coarse Aggregate (RCA) is being used to produce environmentally conscious concrete in this research process. Self-Compacted Concrete (SCC) is an innovative solution for positioning extremely flowable concrete and filling the frame with no compaction and segregation tolerance.RCA is compelled through smashing aged concrete waste from construction and demolition sites as well as combining mineral admixtures such as super plasticizers (SP). RCA is immersed in waters 24 hours until the concrete mix is being used; because RCA requires additional water as a consequence of abided cement mortar to aggregate.Workability and hardened tests of the M40 grade of SCC are conducted per each combination. The test results are performed at 7, 28 and 90 days respectively for hardened properties. The observed research proposes that SCC achieves the compressive strength expected to substitute RCA by up to 40 percent considerably.The Natural Coarse Aggregate (NCA) is substituted by varying proportions of up to 50 percent recycled coarse aggregate. This paper includes various trials and the results are inscribed. The structural elements (beams) were produced and validated using the modified SCC.The data gathered from the developed beam models were analyzed with the finite element model and contrasted with the observational data.

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Published

2020-02-21

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Section

Articles