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Use of post-consumer waste plastics in cement-based composites

✍ Scribed by T.R. Naik; S.S. Singh; C.O. Huber; B.S. Brodersen

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 276 KB
Volume: 26
Category: Article
ISSN: 0008-8846
DOI: 10.1016/0008-8846(96)00135-4

No coin nor oath required. For personal study only.

✦ Synopsis

This paper describes an innovative use of post-consumer waste HDPE plastic in concrete as a soft filler. A reference concrete was proportioned to have the 28-day compressive strength of 5000 psi (35MPa). A high-density plastic was shredded into small particles for use in the concrete. These particles were subjected to three chemical treatments (water, bleach, bleach + NaOH) to improve their bonding with the cementitious matrix. The plastic particles were added to the concrete in the range of 0 -5% of total mixture by weight. Compressive strengths were measured for each test mixture. The results showed that chemical treatment has a significant effect on performance of the plastic tiller in concrete. Of the three treatments used on the plastic, the best performance was observed with the alkaline bleach treatment (bleach + NaOH) with respect to compressive strength of concrete. copyrighf

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