看看在电缆螺栓应用中桶和组件的性能
Ashkan Rastegarmanesh1, Ali Mirzaghorbanali2, Kevin McDougall2
1Centre for Future Materials, University of Southern Queensland, Toowoomba, Australia. rastegarmanesh@gmail.com.
Scientific reports
|February 22, 2024
概括
在电缆螺栓上预紧张的关键是桶和组件,在轴承负载下表现出恒定的,不可逆转的位移. 它们的行为在实验室拉出测试中显著影响了电缆螺栓的整体性能.
科学领域:
- 地质技术工程 地质技术工程
- 采矿工程 采矿工程 采矿工程
- 材料科学 材料科学 材料科学
背景情况:
- 预紧张是用于地面支的电缆螺栓的标准做法.
- 桶式和形系统通常用于在电缆的自由端固定预拉力负载.
研究的目的:
- 为了研究电缆螺栓系统中桶和组件的性能.
- 通过大规模的实验室测试,分析这些组件在各种负载条件下的行为.
主要方法:
- 对电缆螺栓进行了25次大规模的实验室拉出测试.
- 使用各种桶和和电缆尺寸.
- 应用单调和循环负载条件来模拟现实世界的应力.
主要成果:
- 在整个实验中,桶式和形组件表现出一致的位移.
- 循环加载显示,桶和组件的位移在很大程度上是不可逆转的.
- 观察到两种不同的行为模式:指数式和偏移点式.
结论:
- 桶式和形组件在电缆螺栓的轴负载性能中发挥着至关重要的作用.
- 了解它们的位移特性对于优化电缆螺栓设计和应用至关重要.
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