Impact Energy for the First Crack of Reinforced Concrete with Partial Replacements of Sand by Fine Crumb Rubber

Abstract:

Effects of partial replacements of sand by waste fine crumb rubber 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 visible crack of the beam were recorded. The results are presented in terms of impact energy required for the first crack. The fine crumb rubbers increased the impact energy for first crack.

• Periodical: Advanced Materials Research (Volume 701)
• Pages: 286-290
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.701.286
• Online since: May 2013
• Authors: Mustafa Maher Al-Tayeb, B.H. Abu Bakar, Hanafi Ismail, Hazizan Md Akil
• Keywords: Cement Concrete, Compressive Strength, Fine Crumb Rubber, Impact Energy

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