Feasibility of Low-Carbon Permeable Pavement Systems (PPS) for Stormwater Management

Kiran Tota-Maharaj, Blessing Adeleke, Chad Staddon, Faisal Sweileh

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    Abstract

    The sharp increase in the utilisation and demand of construction materials
    across the world, especially in road, pavements and transportation sectors has
    resulted in an unsustainable surge in the amount of carbon emissions. This study
    investigated the use of low-carbon materials in permeable pavements systems
    (PPS) and the effects of various low-carbon engineered materials on the
    mechanical, absorption and infiltration performance of PPS according to
    relevant standards. This was achieved by the critical analysis of four (4)
    different materials (recycled grit, recycled glass, recycled rubber) and
    comparing their performance with normal materials used in conventional
    pavements. The four materials were implemented into concrete mixes of the
    permeable pavers and embedded in various layers and sub-sections making up
    the permeable pavement structure. As a result, the outcome required of this
    research is to find which mix of concrete blocks (permeable pavers) perform the
    best when tested for absorption and compression and which permeable
    pavement works best when tested for infiltration. Compression test was utilised
    to establish the maximum allowable compressive force, while the absorption
    test identified the concrete mix that could hold the least amount of water when
    soaked in water for 24 hours. This was expected to reduce the possibility of
    breakage of the concrete blocks. Finally, the infiltration test was employed to
    establish the best performing pavement material based on the rate and amount
    of infiltration of a fixed volume of effluent. The results obtained from the
    laboratory tests shows improved performances of the pavements embedded with
    recycled materials. Therefore, it can be recommended that the use of recycled
    materials in the development of low-carbon permeable pavements, possesses the
    ability to perform efficiently in comparison with conventional PPS in the
    construction and built environment sectors.
    Original languageEnglish
    Pages (from-to)21-41
    JournalJournal of Urban and Environmental Engineering
    Volume15
    Issue number1
    DOIs
    Publication statusPublished - 10 Apr 2021

    Keywords

    • Sustainable Drainage Systems (SuDS)
    • Recycled Construction Materials
    • Permeable Pavements
    • carbon footprint
    • Stormwater

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