The adaptability of debris is successfully proven as a raw material for roads

phys.org | 7/15/2019 | Staff
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In 2009, 105 single-family homes in the city of Cordoba were demolished in order to expand the airport. At first, the debris from the demolition was going to be sent to a landfill, as is common procedure. But, the University of Cordoba came up with the idea to recycle all the debris in situ and use it to build an experimental stretch of road on the CH-2 highway that goes around the runway at the airport and also connects Cordoba with the town of Almodóvar. This stretch of road is used by over 9,000 vehicles on a daily basis. After ten years of research, the complete study was published. The results are very positive and the conclusion is that recycled materials from demolitions are a good alternative when building roadways.

Most research projects performed at a national or international level are done in the lab. "This research shows the feasibility of using these materials on a real project and for a long period of time," says José Ramón Jiménez, the researcher in charge of the study. This research was carried out with involvement from the company PLODER UICESA, contractor of the highway building project, and with the support of AENA and of the Guadalquivir Water Agency, owner of the highway.

Stretch - Road - Aggregates - Materials - Kinds

One stretch of the road was built with natural aggregates, commonly used materials for these kinds of construction projects. In the experimental stretch of road two kinds of recycled materials were used: mixed recycled aggregates, from walls and structures of...
(Excerpt) Read more at: phys.org
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