اعتبار،چابکی،پاسخگویی

Evaluating the Mechanical Properties of Self-Compacting Concrete with Rubber Additives (Case Study: Shiraz Mind)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشگاه آزاد اسلامی واحد سپیدان

2 استادیار، دانشکده مهندسی، دانشگاه آزاد اسلامی ‌‌واحد سپیدان، فارس، ‌ایران

چکیده
The use of rubber crumb as an additive in the production of concrete has been studied as a means of improving compressive strength while also addressing the environmental impact of non-degradable ingredients. In this research, the effects of adding 5%, 7.5%, and 10% rubber crumb by weight to 2% cement were analyzed. The results showed that the addition of 5% rubber crumb resulted in the highest increase in compressive strength, with a 45% increase at 7 days and 8% increase at 28 days compared to the control concrete. However, the addition of 10% rubber crumb resulted in a decrease in compressive strength, with a 3% reduction at 28 days, 5% reduction at 90 days, and 1% reduction at 120 days. The price of self-compacting concrete also increased by 16.4%, 20.5%, and 24.5% for the 5%, 7.5%, and 10% rubber crumb samples, respectively. Overall, this research suggests that the use of rubber crumb as an additive in concrete production can potentially improve compressive strength while also contributing to environmental sustainability, though the optimal percentage of rubber crumb for this purpose may vary.

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  • تاریخ دریافت 16 دی 1401
  • تاریخ بازنگری 20 بهمن 1401
  • تاریخ پذیرش 25 بهمن 1401
  • تاریخ اولین انتشار 25 بهمن 1401
  • تاریخ انتشار 01 مهر 1401