MATEC Web Conf.
Volume 310, 20204th International Scientific Conference Structural and Physical Aspects of Construction Engineering (SPACE 2019)
|Number of page(s)||6|
|Published online||05 March 2020|
Engineering and environmental benefits of using construction wastes in ground improvement works
National Institute for Research and Development in Construction, Urban Planning and Sustainable Spatial Development, Romania
2 Ministry of Regional Development and Public Administration, Romania
* Corresponding author: email@example.com
One of the key emerging trends to protect the environment is to reuse wastes generated from construction and demolition sites for various engineering purposes. Many studies are being developed for setting up and optimize the potential of recycled construction wastes. The aim of the paper is to estimate the degree of improvement for resistance parameters of soil mixed with 5% and 10% of concrete and brick and water-based polymeric suspension used as stabilizer agent, as well as drywall waste mixed with 5% eco-binder with puzzolanic character. Multiple options of mixtures, predominantly composed by clay soils with swelling potential, have been investigated in laboratory conditions in terms of compression strength at 7, 14 and 28 days curing time and deformability. In order to emphasize distinct benefits of tested mixtures, a comparative analysis of the parametric values has been achieved. The experimental results revealed the suitability of using construction wastes to be assimilated with natural or conventional materials, which leads to significant improvements rates of geotechnical parameters. A large-scale implementation of this type of practice can substantially contribute to the achievement of sustainable development targets by reusing construction waste according to the specific objectives of engineering works in terms of structure safety.
© The Authors, published by EDP Sciences, 2020
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