利用石灰和废大理石粉优化粘性土壤的特性:工程应用中的可持续方法

IF 2.6 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Frontiers in Materials Pub Date : 2024-05-10 DOI:10.3389/fmats.2024.1392875
Ghania Boukhatem, Messaouda Bencheikh, Mohammed Benzerara, S. M. Anas, Mohanad Muayad Sabri, Hadee Mohammad Najm
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引用次数: 0

摘要

有几项研究探讨了废大理石粉(WMP)和石灰(LM)作为解决粘性土壤相关问题的方案的潜力。WMP 可增强机械性能并解决环境问题,而 LM 则可有效改善土壤特性。本研究调查了 LM 和 WMP 单独或组合使用时的功效,以解决阿尔及利亚 Bouzaroura El Bouni 地区粘性土壤特有的问题。这些土壤通常承载能力低、渗透性差、易受侵蚀。LM 在增强土壤性质方面表现出良好的前景,而 WMP 不仅能解决环境问题,还能增强机械特性,一举两得。这项研究采用了响应面方法(RSM)箱-贝肯设计(Box-Behnken Design)的三变量实验,粘土含量(88%-100%)、LM 处理(1.5%-9%)和 WMP 含量(1.5%-9%)各不相同。统计分析(包括方差分析)揭示了显著的模式,p 值为 &lt;5%。输入变量(粘土、LM 和 WMP)与输出变量(内聚力、摩擦角和无侧限抗压强度)之间的函数关系通过高确定系数(R2 = 99.84%、77.83% 和 96.78%)来表示。数值优化确定了理想度接近 1(0.899-0.908)的最佳混合物,表明成功实现了粘土含量为 88%、LM 为 3% 和 WMP 为 6% 的目标。这项研究为优化粘土行为以实现环境可持续性和工程应用提供了宝贵的见解,强调了 LM 和 WMP 作为战略添加剂的潜力。
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Optimizing properties of clayey soil using lime and waste marble powder: a sustainable approach for engineering applications
Several studies have explored the potential of waste marble powder (WMP) and lime (LM) as solutions for issues associated with clayey soils. While WMP enhances mechanical properties and addresses environmental concerns, LM effectively improves soil characteristics. This research investigates the efficacy of LM and WMP, both individually and in combination, in addressing challenges specific to clayey soils in Bouzaroura El Bouni, Algeria. These soils typically exhibit low load-bearing capacity, poor permeability, and erosion susceptibility. LM demonstrates promise in enhancing soil properties, while WMP not only addresses environmental concerns but also enhances mechanical characteristics, providing a dual benefit. The study utilizes a three-variable experiment employing Response Surface Methodology (RSM) Box-Behnken Design, with variations in clay content (88%–100%), LM treatment (1.5%–9%), and WMP inclusion (1.5%–9%). Statistical analysis, including ANOVA, reveals significant patterns with p-values &lt;5%. Functional relationships between input variables (clay, LM, and WMP) and output variables (cohesion, friction angle, and unconfined compressive strength) are expressed through high determination coefficients (R2 = 99.84%, 77.83%, and 96.78%, respectively). Numerical optimization identifies optimal mixtures with desirability close to one (0.899–0.908), indicating successful achievement of the objective with 88% clay content, 3% LM, and 6% WMP. This study provides valuable insights into optimizing clay soil behavior for environmental sustainability and engineering applications, emphasizing the potential of LM and WMP as strategic additives.
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来源期刊
Frontiers in Materials
Frontiers in Materials Materials Science-Materials Science (miscellaneous)
CiteScore
4.80
自引率
6.20%
发文量
749
审稿时长
12 weeks
期刊介绍: Frontiers in Materials is a high visibility journal publishing rigorously peer-reviewed research across the entire breadth of materials science and engineering. This interdisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers across academia and industry, and the public worldwide. Founded upon a research community driven approach, this Journal provides a balanced and comprehensive offering of Specialty Sections, each of which has a dedicated Editorial Board of leading experts in the respective field.
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