Impact Energy for First Crack of Reinforced Concrete with Partial Replacements of Sand by Rubber 1 mm Particle Size

Abstract:

Effects of partial replacements of sand by waste crumb rubber 1 mm particle size on the performance of reinforced concrete under low velocity impact loading were investigated. Specimens were prepared for 5%, 10% and 20 % replacements by volume of sand. All specimens were cured in moist air for 90 days. For each case, six beams of 100 mm ×100 mm × 500mm were subjected to 5.15 kg hammer from 900mm height. The number of blows of the hammer required to induce the first crack of the beam were recorded. The results are presented in terms of impact energy required for the first crack. The crumb rubbers increased the impact energy for first crack.

• Periodical: Advanced Materials Research (Volume 701)
• Pages: 261-264
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.701.261
• Online since: May 2013
• Authors: B.H. Abu Bakar, Mustafa Maher Al-Tayeb, Hanafi Ismail, Hazizan M. Akil
• Keywords: Cement Concrete, Compressive Strength, Crumb Rubber, Impact Energy

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