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  • Open Access


    Influence of Recycling Waste Glass as Fine Aggregate on the Concrete Properties

    Rafal A. Hadi1,*, Suhad M. Abd2, Hadee Mohammed Najm3, Shaker Qaidi4,5,*, Moutaz Mustafa A. Eldirderi6, Khaled Mohamed Khedher7,8

    Journal of Renewable Materials, Vol.11, No.6, pp. 2925-2940, 2023, DOI:10.32604/jrm.2023.025558

    Abstract Recent years have witnessed an increase in the quantity of waste glass (WG) across the globe. Replacing the fine aggregate with WG is one of the steps toward preserving the natural resources of the environment and creating low-cost concrete. The present study is concerned with replacing fine aggregates with glass powder (GP) at (0%, 15%, 30%, and 50%). It has studied the fresh and hardened properties (compressive strength, tensile strength, hardened density, and slump) for all the mentioned percent replacements. The findings have shown that all mixtures containing GP gave acceptable slump results within the design limits (2–5 cm) according… More >

  • Open Access


    Fly Ash and Slag as Partial Replacement of Cement for the Synthesis of Low Carbon Cementitious Materials

    Yafei Hu1,2, Keqing Li1,2, Lujing Zheng3, Bin Han1,2,*

    Journal of Renewable Materials, Vol.11, No.5, pp. 2491-2511, 2023, DOI:10.32604/jrm.2023.025129

    Abstract Tailings known as solid waste are generated by the mining industry. The development of tailings as wet shotcrete aggregates has significant economic and environmental benefits. The fine particle size of the tailings results in a large consumption of traditional cement as a cementitious material and insignificant improvement in strength. Therefore, a composite cementitious system of cement and solid waste resources (fly ash and slag powder) is explored for this study. In this paper, the response surface methodology (RSM) is used to optimize the experimental design and a multivariate nonlinear response model with cement, fly ash and slag powder contents as… More >

  • Open Access


    Expansive Soil Stabilization by Bagasse Ash in Partial Replacement of Cement

    Waleed Awadalseed1, Honghua Zhao1, Hemei Sun2, Ming Huang3, Cong Liu4,*

    Journal of Renewable Materials, Vol.11, No.4, pp. 1911-1935, 2023, DOI:10.32604/jrm.2023.025100

    Abstract This study examined the effects of using bagasse ash in replacement of ordinary Portland cement (OPC) in the treatment of expansive soils. The study concentrated on the compaction characteristics, volume change, compressive strength, splitting tensile strength, microstructure, California bearing ratio (CBR) value, and shear wave velocity of expansive soils treated with cement. Different bagasse ash replacement ratios were used to create soil samples. At varying curing times of 7, 14, and 28 days, standard compaction tests, unconfined compressive strength tests, CBR tests, Brazilian split tensile testing, and bender element (BE) tests were carried out. According to X-ray diffraction (XRD) investigations,… More >

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