模型测试和响应表面调查,对距离较近的条形底座的异常负荷进行测试
Badis Mazouz1, Ahmed Abderraouf Belkadi2, Mudthir Bakri3
1Laboratory of Applied Civil Engineering (LGCA), Department of Civil Engineering, Faculty of Technology, University of Batna 2, Batna, Algeria.
Scientific reports
|November 21, 2025
概括
异常负荷降低了带脚在沙上的承载能力. 脚架之间的干扰效应在较高的离心率下减小,在特定的间距比率下观察到最大的影响.
科学领域:
- 地质技术工程 地质技术工程
- 土壤力学 土壤力学
- 设计基金会设计基金会设计基金会
背景情况:
- 异常负荷是基础设计中常见的挑战.
- 了解底座的相互作用对于结构稳定至关重要.
研究的目的:
- 为了分析异常负荷对沙子中的条形脚脚行为的影响.
- 调查故障机制,承载能力和在异常负荷下沉积.
- 在轴承效率上建模间距比率和离心率比率之间的关系.
主要方法:
- 实验室实验使用模型在沙子上测试条形脚.
- 变化的参数:脚间距比 (S/B) 和负载离心率比 (e/B).
- 响应表面方法 (RSM) 用于建模非线性关系.
主要成果:
- 随着离心率的增加,承载能力会下降.
- 在e/B > 0.1.1.时,脚架之间的干扰效应变得可以忽略不计.
- 在S/B观察到的最大干扰效应=0.5.5.
- RSM模型实现了高准确度 (R2 = 0.958,RMSE = 0.063,MAE = 0.0231) 的研究结果.
结论:
- 离心率显著影响着脚的性能.
- 开发的RSM模型准确地预测了轴承的效率.
- 实验发现与理论和数值数据有很好的一致性.
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