Scholarlink

<p>With the intensive consumption of natural resources and energy, the cement industry process significantly impacts the environment. It releases relevant greenhouse gas emissions, emphasizing the urgent need for sustainable practices. Reducing cement production by incorporating alternative materials such as glass powder reduces landfill pressures and offers promising enhancements in concrete performance. Based on the chemical composition of glass powder and containing silica in an amorphous state, it improves compressive strength that can be replaced by cement in various percentages. In the current study, models were developed to predict the impact of the novelty terms silica and alumina modulus on the predicted output, including interaction, quadratic, artificial neural network (ANN), and linear models based on independent variables: water-to-binder ratio (w/b), cement content (C), fine aggregate (FA), coarse aggregate (CA) quantities, glass powder percentage (GP %), silica modulus (Al<sub>2</sub>O<sub>3</sub>/SiO<sub>2</sub>), calcium oxide (CaO %), alumina modulus (Al<sub>2</sub>O<sub>3</sub>/Fe<sub>2</sub>O<sub>3</sub>), superplasticizer (SP %) dosage, and curing time (t). The findings highlight that optimal glass powder incorporation is 0.16 silica modulus, which enhances compressive strength. Additionally, a significant increase in the alumina-to-silica ratio occurs with extended curing times of up to 90&#xa0;days, reaching 0.2 and alumina modulus demonstrate a high value for early curing periods 7 and 28&#xa0;days, 2.18 and 1.82, respectively, and 0.93 for 90&#xa0;days. This research contributes insights into optimizing glass powder usage in concrete formulations, thereby advancing sustainable construction practices amid global environmental challenges.</p> Graphical Abstract <p></p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Efficient Models for Evaluating Silica and Alumina Modulus Impact in Glass Powder on Long-Term Concrete Strength

  • 期刊论文

  • 发表日期：

    2025年7月16日

查看全文
  • Maryam Basil Ishaq,
  • Ahmed Salih Mohammed,
  • Azad A. Mohammed

摘要

With the intensive consumption of natural resources and energy, the cement industry process significantly impacts the environment. It releases relevant greenhouse gas emissions, emphasizing the urgent need for sustainable practices. Reducing cement production by incorporating alternative materials such as glass powder reduces landfill pressures and offers promising enhancements in concrete performance. Based on the chemical composition of glass powder and containing silica in an amorphous state, it improves compressive strength that can be replaced by cement in various percentages. In the current study, models were developed to predict the impact of the novelty terms silica and alumina modulus on the predicted output, including interaction, quadratic, artificial neural network (ANN), and linear models based on independent variables: water-to-binder ratio (w/b), cement content (C), fine aggregate (FA), coarse aggregate (CA) quantities, glass powder percentage (GP %), silica modulus (Al2O3/SiO2), calcium oxide (CaO %), alumina modulus (Al2O3/Fe2O3), superplasticizer (SP %) dosage, and curing time (t). The findings highlight that optimal glass powder incorporation is 0.16 silica modulus, which enhances compressive strength. Additionally, a significant increase in the alumina-to-silica ratio occurs with extended curing times of up to 90 days, reaching 0.2 and alumina modulus demonstrate a high value for early curing periods 7 and 28 days, 2.18 and 1.82, respectively, and 0.93 for 90 days. This research contributes insights into optimizing glass powder usage in concrete formulations, thereby advancing sustainable construction practices amid global environmental challenges.

Graphical Abstract