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Effect of Aggregate Size and Compaction on the Strength and Hydraulic Properties of Pervious Concrete

Author

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  • Kajo Ferić

    (CEMEX Hrvatska d.d., 21212 Kaštel Sućurac, Croatia
    Faculty of Civil Engineering, Architecture and Geodesy, University of Split, 21000 Split, Croatia)

  • Veerappan Sathish Kumar

    (Faculty of Civil Engineering, Architecture and Geodesy, University of Split, 21000 Split, Croatia)

  • Ana Romić

    (Faculty of Civil Engineering, Architecture and Geodesy, University of Split, 21000 Split, Croatia)

  • Hrvoje Gotovac

    (Faculty of Civil Engineering, Architecture and Geodesy, University of Split, 21000 Split, Croatia)

Abstract

Pervious concrete is one of the emerging sustainable materials that has recently gained the attention of many researchers. The importance of pervious concrete mainly depends on its application and on a modern integrated approach in which it is employed to reduce the effects of flooding. The main goal of this experimental analysis is to study the significance of aggregate size and the degree of compaction on the mechanical and hydraulic properties of pervious concrete. Eleven concrete mixture proportions were investigated by controlling the constituents with different aggregate fractions. The important variables considered were the aggregate sizes, viz., 0/4 mm, 4/8 mm, and 8/16 mm, with four different degrees of compaction. The porosity of the concrete structure was obtained by the partial filling of the voids in the aggregates with cement paste. The ingredients of the pervious concrete were also varied to study their significance and to evaluate the predominant factor that controls the mechanical and hydraulic properties based on the test results. Tests were conducted to determine properties such as compacting factor, compressive strength, splitting tensile strength, abrasion resistance, porosity, and hydraulic conductivity. The study revealed that the degree of compaction was one of the critical factors governing the strength and hydraulic properties of the pervious concrete; the maximum strength and minimum hydraulic conductivity were achieved with a higher degree of compaction. The test results imply that the cement content is the predominant factor determining the fresh and tensile properties of the pervious concrete, rather than the size of the aggregates used. In addition, the results also illustrated that the highly compacted pervious concrete samples made with 4/8 mm aggregates exhibited improved abrasion resistance and strength properties, but slightly reduced hydraulic conductivity, despite the designed porosity.

Suggested Citation

  • Kajo Ferić & Veerappan Sathish Kumar & Ana Romić & Hrvoje Gotovac, 2023. "Effect of Aggregate Size and Compaction on the Strength and Hydraulic Properties of Pervious Concrete," Sustainability, MDPI, vol. 15(2), pages 1-16, January.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:2:p:1146-:d:1028308
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    References listed on IDEAS

    as
    1. Sandra Juradin & Frane Mihanović & Nives Ostojić-Škomrlj & Ela Rogošić, 2022. "Pervious Concrete Reinforced with Waste Cloth Strips," Sustainability, MDPI, vol. 14(5), pages 1-23, February.
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    Cited by:

    1. Xiao Zhi & Tao Yang & Xun Zhang & Yi Ren & Pin Deng & Yuliang Chen & Yuanjie Xiao, 2023. "Experimental Study on the Mechanical Properties and Permeability of Cement-Stabilized Permeable Recycle Aggregate Materials," Sustainability, MDPI, vol. 15(19), pages 1-17, September.
    2. Karina H. Arcolezi & Rodrigo G. da Silva & Lourdes Soriano & Maria V. Borrachero & José Monzó & Jordi Payá & Mauro M. Tashima & Jorge Luis Akasaki, 2023. "Effect of Aggregates Packing with the Maximum Density Methodology in Pervious Concrete," Sustainability, MDPI, vol. 15(6), pages 1-18, March.

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