Journal of Materials Science and Chemical Engineering

Volume 8, Issue 1 (January 2020)

ISSN Print: 2327-6045   ISSN Online: 2327-6053

Google-based Impact Factor: 0.94  Citations  

Developing High Strength Pervious Concrete Mixtures with Local Materials

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DOI: 10.4236/msce.2020.81003    348 Downloads   773 Views  

ABSTRACT

This study focuses on developing pervious concrete mixtures that have higher compressive strengths than conventional pervious concrete. This study also focuses on producing high strength pervious concrete that is also made with locally available materials. The study focused on four aspects of pervious concrete to produce high compressive strengths. These parameters were the effect of the coarse aggregate (type and size), the compaction of the test specimens, the effect of the w/c along with superplasticizers, and lastly the effect of silica fume. This study was completed parametrically in order to isolate each variable in order to see its individual affect. Once an optimum performance was obtained from one variable the best performing mixture was used for the next variable testing. This method allowed for the highest performing mixture to be obtained from each of the investigated variables. The results showed that high strength pervious concrete made with local aggregates, without polymers, and without fibers can be produced in the range of 15.44 MPa - 21.63 MPa. A porosity range 19.1% - 32.9% with a percolation rate range of 5.8 mm/s - 1.9 mm/s was also achieved, with a porosity of 19.4% and percolation rate of 2.6 mm/s for the highest performing mixture.

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Torres, A. , Aguayo, F. , Gaedicke, C. , Nerby, P. , Cavazos, M. and Nerby, C. (2020) Developing High Strength Pervious Concrete Mixtures with Local Materials. Journal of Materials Science and Chemical Engineering, 8, 20-34. doi: 10.4236/msce.2020.81003.

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