使用先进的机器学习模型预测广土壤中的土壤紧缩参数:一项比较研究
Sultan Almuaythir1, Muhammad Syamsul Imran Zaini2, Rida Hameed Lodhi3
1Department of Civil Engineering, College of Engineering in Al-Kharj, Prince Sattam Bin Abdulaziz University, 11942, Al-Kharj, Saudi Arabia. s.alhomair@psau.edu.sa.
Scientific reports
|July 5, 2025
概括
这项研究揭示了XG-Boost作为预测广土壤紧缩性质的顶级计算模型,这对于干旱地区的建筑至关重要. 它准确地预测最佳含水量和最大干密度,提高了项目的稳定性.
科学领域:
- 地质技术工程 地质技术工程
- 计算土壤科学 计算土壤科学
背景情况:
- 膨胀土壤对建筑项目构成重大风险,特别是在干旱环境中,因为它们的体积变化.
- 胀和缩行为可能导致严重的结构损伤,需要准确的预测模型.
研究的目的:
- 评估计算模型在预测土壤紧缩特征方面的有效性.
- 确定最准确的模型来确定广土壤中最佳含水量和最大干密度.
主要方法:
- 分析了195个土壤样本,检查了诸如粘土含量,液体极限,塑料极限,比重,可塑性指数和膨胀百分比等因素.
- 五个计算模型的比较评估:XG-Boost,随机森林,长期短期记忆网络 (LSTMN) 和k-最近邻居.
- 使用绩效指标进行评估:跨培训,测试和验证数据集的相关系数 (r),MAE,RMSE,RRMSE和PI.
主要成果:
- XG-Boost 显示出卓越的预测准确性,在水含量上获得 0.941 分,在干燥密度上获得 0.912 分.
- 随机森林也表现出强的表现,而LSTMN和k-Nearest Neighbors则取得了适度的结果.
- 在预测最大干密度方面,XG-Boost和Random Forest表现出高准确度和一致性.
结论:
- XG-Boost是一个强大的,可靠的模型,用于预测广的土壤紧缩参数.
- 使用计算模型准确预测土壤紧缩特性,可以减轻干旱地区的建筑风险.
- 这些发现支持在地质工程中使用先进的机器学习技术,以改善项目结果.
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