In order to study the effect of adding plastic particles on the performance of concrete, the mechanical properties and carbonization test of concrete with different amount plastic granules were carried out. The results showed that with the increased of plastic granules, the splitting tensile strength, compressive strength and elastic modulus of concrete were significantly reduced, and the peak strain was obviously increased. The incorporation of plastic particles also has a significant effect on the carbonation of concrete. With the amount of plastic particles increased, the carbonization rate accelerated significantly.
Abstract. Compression tests of five groups of concrete specimens with different plastic particles (0%, 5%, 10%, 30% and 45% aggregate volume ratio) are carried out. The results show that, the incorporation of plastic particles has significant influence on the mechanical properties of concrete. With the increase of dosage of plastic particles, the compressive strength and elastic modulus of concrete reduce gradually, but the strain corresponding to the maximum intensity shows a rising trend. In addition, the linear sections in concrete stress-strain curve disappears after adding plastic particles.
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