使用简化分析方法对用地质织物包围的石柱进行性能分析
Nibir Rahman1, Md Rokonuzzaman2, Ashiqur Rahman2
1Dept. of Civil Engineering, Khulna Univ. of Engineering &Technology (KUET), Khulna, 9203, Bangladesh. nibir@ce.kuet.ac.bd.
Scientific reports
|January 6, 2026
概括
地质合成封装石柱 (GESCs) 提供了改善的软土壤稳定性. 一个新的半分析模型准确地预测了GESC的性能,有助于高效地改善设计.
科学领域:
- 地质技术工程 地质技术工程
- 土壤力学 土壤力学
- 土木工程 土木工程是指土木工程.
背景情况:
- 传统的石柱在柔软的土壤中存在局限性,原因是侧面限制不足.
- 地质合成封装石柱 (GESCs) 提供了增强的稳定性,但需要准确的分析模型来设计.
- 柱子,封装和土壤之间的复杂相互作用需要先进的预测工具.
研究的目的:
- 开发一种简化的半分析代解决方案,用于评估用GESC增强的地面.
- 为GESC系统提供一个有效预测和设计的工具.
- 通过各种参数分析GESC的性能,并确定最佳设计配置.
主要方法:
- 将GESC系统建模为一个单元细胞,具有刚性塑料石柱和线性弹性地球合成外.
- 将土壤概况划分为水平切片,以考虑深度依赖的行为.
- 验证模型与现场测试和有限元分析对定居点,应力分布和封闭扩张的验证.
主要成果:
- 拟议的半分析解决方案准确地预测了定居点,应力分布和封装辐射膨胀.
- 该模型在0到0.35的面积替换比率和0到5000kN/m的封装刚度方面证明了有效性.
- 在2000到3000kN/m之间发现了最佳的封装刚度,最佳的部分封装长度比为0.45.
结论:
- 开发的模型提供了一种可靠的方法来评估GESC在软土壤中的性能.
- 影响定居点改善和应力度的关键因素包括面积替换比率,封装硬度和土壤硬度.
- 该研究提供了一个分析设计图和Python代码,用于实际的GESC设计应用.
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