Evaluation of mechanical and durability properties along with flexural fatigue life of pavement quality geopolymer concrete

Singh, Sandeep; Sharma, Shashi Kant; Akbar, M. Abdul

doi:10.1007/s41062-023-01311-6

Innov. Infrastruct. Solut.

2023

DOI: 10.1007/s41062-023-01311-6

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Evaluation of mechanical and durability properties along with flexural fatigue life of pavement quality geopolymer concrete

Sandeep Singh,

Shashi Kant Sharma,

M. Abdul Akbar

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Cited by 3 publications

References 106 publications

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Optimising GGBS-based ultra high-performance geopolymer mortar: an orthogonal array approach

Alameri,

Joseph,

Mohamed Ali

et al. 2024

Australian Journal of Structural Engineering

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Optimising GGBS-based ultra high-performance geopolymer mortar: an orthogonal array approach

Alameri,

Joseph,

Mohamed Ali

et al. 2024

Australian Journal of Structural Engineering

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Utilisation of coal bottom ash in zero carbon footprint pavement-quality geopolymer concrete

Singh,

Sharma,

Akbar

2025

Magazine of Concrete Research

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Worldwide demand for natural fine aggregates (NFA) in the construction sector has skyrocketed in recent decades, but NFA supply is becoming scarcer. At the same time, thermal power plants are producing massive quantities of coal bottom ash (CBA) which impacts the environment. As per the latest research, CBA can be used as NFA in concrete preparation. This study examines the fresh and mechanical properties, durability characteristics, and fatigue life of pavement quality geopolymer concrete (PQGPC) mixes prepared with the partial addition of CBA as NFA. Results found that after 28 days of curing, the basic properties like workability, compressive and flexural strength with the addition of 30% CBA-based PQGPC (GPC-30) mix are safe as per the requirement of rigid pavements. Furthermore, compared to the PQGPC mix, GPC-30 has a 2% lower endurance limit against fatigue at 2 million cycles at different stress levels of 0.55, 0.60, 0.65, and 0.70, respectively. Even though GPC-30 possesses 19% lower flexural strength than regular PQGPC, the fatigue life is comparable. So, incorporating CBA in the preparation of green PQGPC pavements not only lessens the reliance on NFA but also mitigates the need for landfills.

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Evaluating Waste-Based Alkali Activated Materials as Pavement Quality Concrete

Abdayem,

Saba,

Tehrani

et al. 2024

Infrastructures

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The utilization of Ordinary Portland Cement as the primary material of choice in the construction industry has had its drawbacks due to the large amounts of pollution Portland cement’s production causes. Significant findings have been discovered, and alkali-activated materials have been implemented as an alternative cementitious material to the traditional concrete of today. Alkali-activated materials can be formulated using industrial wastes, making them eco-friendly and a more sustainable replacement for concrete. This study aims to assess whether alkali-activated materials can be implemented in infrastructural fields and seeks to evaluate the possibility of alkali-activated materials acting as pavement-quality concrete in infrastructural applications. This review presents the results of various studies, demonstrating that alkali-activated materials can meet the requirements for pavement-quality concrete with the proper incorporation of industrial wastes. This outlines the viability of alkali-activated materials (AAMs) as a green alternative for pavement applications as most AAMs attain required mechanical properties, mostly reaching compressive strength values higher than the required 40 MPa, all while simultaneously adhering to the needed durability, workability, drying shrinkage, and abrasion resistance attributes. Using industrial waste-based alkali-activated materials renders the material eco-friendly and sustainable, all while enhancing the material’s characteristics and properties necessary for large-scale infrastructural applications. This review highlights AAMs’ suitability as a durable and eco-friendly solution for pavement construction.

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Evaluation of mechanical and durability properties along with flexural fatigue life of pavement quality geopolymer concrete

Cited by 3 publications

References 106 publications

Optimising GGBS-based ultra high-performance geopolymer mortar: an orthogonal array approach

Optimising GGBS-based ultra high-performance geopolymer mortar: an orthogonal array approach

Utilisation of coal bottom ash in zero carbon footprint pavement-quality geopolymer concrete

Evaluating Waste-Based Alkali Activated Materials as Pavement Quality Concrete

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