Advances in concrete construction

  • 제6권1호
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  • Pages.87-102
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  • 2018
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  • 2287-5301(pISSN)
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  • 2287-531X(eISSN)
테크노프레스 (Techno-Press)
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An experimental and numerical approach in strength prediction of reclaimed rubber concrete

  • Williams, Kanmalai C. (Department of Civil Engineering, St. Peter's University) ;
  • Partheeban, P. (Department of Civil Engineering, St. Peter's College of Engineering and Technology)
  • 투고 : 2017.07.15
  • 심사 : 2018.02.03
  • 발행 : 2018.02.25
⟨ 이전 논문 다음 논문 ⟩

초록

Utilization of waste tires may be considered as one of the solution to the problems faced by the local authorities in disposing them. Reclaimed rubber (RR) is being used in concrete for replacing conventional aggregates. This research work is focused on the strength prediction of reclaimed rubber concrete using a Genetic Algorithm (GA) for M40 grade of concrete and comparing it with experimental results. 1000 sets were taken and 100 iterations were run during training of GA models. A base study has been carried out in this research work partially replacing cement with three types of fillers such as Plaster of Paris (POP), Fly Ash (FA) and Silica Fume (SF). A total of 243 cubes were cast and tested for compression using a Universal Testing Machine. It was found that SF produced maximum strength in concrete and was used in the main study with reclaimed rubber. Tests were conducted on 81 cube samples with a combination of optimum SF percent and various proportions of RR replacing coarse aggregates in concrete mix. Compressive strength tests of concrete at 7, 14 and 28 days reveal that the maximum strength is obtained at 12 percent replacement of cement and 9 percent replacement of coarse aggregates respectively. Moreover the GA results were found to be in line with the experimental results obtained.

키워드

참고문헌

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  2. Effect of crumb rubber on compressive behaviour of CRCFST stub columns vol.25, pp.3, 2018, https://doi.org/10.12989/cac.2020.25.3.267
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  4. Axial Performance of Steel Fiber-Reinforced Rubberized Concrete-Filled Circular Tubular Columns vol.2021, pp.None, 2021, https://doi.org/10.1155/2021/6678802
  5. Microstructural and mechanical characteristics of self-compacting concrete with waste rubber vol.78, pp.2, 2021, https://doi.org/10.12989/sem.2021.78.2.175
  6. Experimental Evaluation of Untreated and Pretreated Crumb Rubber Used in Concrete vol.11, pp.5, 2021, https://doi.org/10.3390/cryst11050558
  7. Bond behavior of FRP bars in CR concrete vol.28, pp.2, 2021, https://doi.org/10.12989/cac.2021.28.2.107
  8. Effect of Waste Tire Rubber Particles on Concrete Abrasion Resistance Under High-Speed Water Flow vol.15, pp.1, 2021, https://doi.org/10.1186/s40069-021-00475-8