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Thermal Conductivity of Crumb Rubber as Partial Sand Replacement and Recycled Aggregates as Partial Coarse Aggregate Replacement in Concrete

  • Ridhuan Ramlan
  • Shahiron ShahidanEmail author
  • Nor Najihah Zainol
  • Sharifah Salwa Mohd Zuki
  • Alif Syazani Leman
  • Sajjad Ali Mangi
  • Ma Chau Khun
  • Fadzli Mohamed Nazri
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 53)

Abstract

Disposal of waste tire rubber has become a major environmental issue worldwide and is increasing day by day, especially in Malaysia where carbon emission is among the highest in the world. Therefore, recycled waste materials are being used as construction materials in order to create new innovative products that are able to mitigate environmental pollution, reduce the cost of construction and improve the properties of concrete. This study discusses the utilisation of crumb rubber and recycled aggregates in concrete construction and the objective of this study is to determine the thermal conductivity of crumb rubber and compare the optimum strength of concrete materials. 12 cube samples measuring 200 × 200 × 100 mm containing different percentages of crumb rubber (0, 1, 2, 3, 4, and 5%) as fine aggregate substitute and 50% of recycled aggregates as coarse aggregate substitute were produced. The concrete grade used for these specimens is grade 35. The curing process was conducted on the samples to achieve the standard strength of concrete in 7 and 28 days. Therefore, the real strength of concrete was measured after the curing process. A slump test was conducted to determine the properties of crumb rubber. In addition, the samples were examined using the guarded hot box method to obtain the optimum percentage of crumb rubber as partial sand replacement in concrete for thermal conductivity. The results show that thermal conductivity (k-value) decreased slightly with the increase in crumb rubber content. However, the quality of concrete also slightly increased as the percentage of crumb rubber content increased. Lastly, based on the results, 5% of crumb rubber and 50% of recycled aggregates were suggested as the optimum percentages to be used in concrete as it achieved the lowest thermal conductivity compared to conventional concrete.

Keywords

Tire rubber Waste material Crumb rubber 

Notes

Acknowledgements

The authors would like to thank the Ministry of Education Malaysia (KPM), Universiti Tun Hussein Onn Malaysia and Grant Contract KPM K122 for making this important research viable and effective.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Ridhuan Ramlan
    • 1
  • Shahiron Shahidan
    • 1
    Email author
  • Nor Najihah Zainol
    • 1
  • Sharifah Salwa Mohd Zuki
    • 1
  • Alif Syazani Leman
    • 1
  • Sajjad Ali Mangi
    • 2
  • Ma Chau Khun
    • 3
  • Fadzli Mohamed Nazri
    • 4
  1. 1.Faculty of Civil and Environmental EngineeringUniversiti Tun Hussein Onn MalaysiaParit RajaMalaysia
  2. 2.Department of Civil EngineeringMehran University of Engineering and Technology, SZAB Campus Khairpur Mir’sKhairpurPakistan
  3. 3.Faculty of Engineering, School of Civil EngineeringForensic Engineering Centre, Institute of Smart Infrastructure and Innovation Construction, Universiti Teknologi MalaysiaJohor BahruMalaysia
  4. 4.School of Civil EngineeringUniversiti Sains Malaysia, Engineering CampusNibong TebalMalaysia

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