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| Content Provider | Taylor & Francis Online |
|---|---|
| Author | Pratico, Filippo G. Nwobodo, Stephen Emeka Sojobi, Adebayo Olatunbosun Aladegboye, Oluwasegun James |
| Abstract | This research sheds light on the concept of eco-friendly road construction which comprises eco-design, eco-extraction, eco-manufacturing, eco-construction, eco-rehabilitation, eco-maintenance, eco-demolition, and socioeconomic empowerment. It also revealed the challenges being faced in its adoption and the benefits derivable from its application. Furthermore, the effects of recycling PET plastic bottle wastes produced in North Central Nigeria in bituminous asphaltic concrete (BAC) used in flexible pavement construction were also evaluated. The mix design consists of 60/70 penetration-grade asphaltic concrete (5%), 68% coarse aggregate, 6% fine aggregate, and 21% filler using the dry process at 170°C. The optimum bitumen content (OBC) for conventional BAC was obtained as 4% by weight of total aggregates and filler. Polymer-coated aggregate (PCA)-modified BAC seems preferable because it has the potential to utilize more plastic wastes with a higher optimum plastic content (OPC) of 16.7% by weight of total aggregates and filler compared to that of 9% by weight of OBC achieved by PMB-BAC. For both PMB- and PCA-modified BAC, an increase in air void, void in mineral aggregate, and Marshall stability were observed. Eco-friendly road construction which recycles PET wastes should be encouraged by government considering its potential environmental and economic benefits. |
| File Format | PDF HTM / HTML |
| ISSN | 23311916 |
| DOI | 10.1080/23311916.2015.1133480 |
| Journal | Cogent Engineering |
| Volume Number | 3 |
| Issue Number | 1 |
| Language | English |
| Publisher | Cogent |
| Publisher Date | 2016-02-01 |
| Access Restriction | Open |
| Subject Keyword | Bituminous asphaltic concrete Eco-friendly road construction Plastic wastes Polyethylene terephthalate Polymer-coated aggregates Polymer-modified bitumen Recycling |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Science Engineering Chemical Engineering |
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