解决软岩道周围塑料区范围的解决方案,考虑关节损伤
Taotao Hu1, Yulong Zhao1, Peng Tu2,3
1Sclool of Highway, Chang'an University, Xi'an, 710064, People's Republic of China.
Scientific reports
|December 3, 2024
概括
一个新的模型通过将关节骨折损伤纳入粘弹性-塑料爬行来解决软岩道故障. 分析公式和ABAQUS模拟证实了模型的存在.
科学领域:
- 地质技术工程 地质技术工程
- 岩石机械学 岩石机械学
- 道工程 道工程是指道工程.
背景情况:
- 软岩道面临着质性失败的挑战.
- 关节骨折损伤显著影响岩石质量的行为.
- 现有的模型可能无法完全捕捉复杂的软岩变形.
研究的目的:
- 为结合关节骨折损伤的粘弹性-塑料软岩提供一种新的爬行构成模型.
- 导出分析解决方案,以应力和位移在道与损坏的岩石.
- 通过数值模拟来验证拟议的模型和分析解决方案.
主要方法:
- 为受损的软岩石开发基于Hohai模型的爬行构成模型.
- 对粘性弹性-粘性塑性应力和位移的分析公式的推导.
- 使用ABAQUS软件进行有限元分析,以模拟不同连接角度的道挖掘.
- 分析和数值解决方案的比较,以验证模型的准确性.
主要成果:
- 由此得出的分析公式准确地预测了软岩道中具有关节损伤的应力和位移.
- 使用ABAQUS进行的数值模拟验证了理论解决方案.
- 在分析和数值结果之间观察到45°关节倾斜的最大误差为3.02%.
- 该模型显示了理论计算和模拟结果之间的良好一致性.
结论:
- 拟议的爬行构成模型有效地解决了软岩道中的风学故障.
- 衍生出的分析公式为分析关节损伤的道行为提供了可靠的方法.
- 该研究证实了受损软岩道的粘弹性-粘塑性分析理论框架的合理性和准确性.
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