黄金科学技术 ›› 2020, Vol. 28 ›› Issue (1): 112-123.doi: 10.11872/j.issn.1005-2518.2020.01.074
He WANG1,2(),He CHEN1,2,Hui CAO1,2
摘要:
系统地介绍了我国大变形锚杆的研发现状。通过总结分析现有锚杆设计方案,提出了基于作用机理的大变形锚杆类型划分建议;选取5种典型的设计方案解析了各类型大变形锚杆的优缺点;在此基础上,进一步总结了现有技术方案存在的主要问题,据此对大变形锚杆未来发展趋势提出了几点认识。研究认为:我国大变形锚杆可划分为结构型、材料本质型和其他类型三大类;结构型大变形锚杆包含摩擦型、剪切型和活塞型3个亚类;为进一步促进大变形锚杆的发展,针对结构型锚杆应进一步优化结构、优选锚杆材料、优化制造工艺并保证产品质量稳定性;加大新型杆体材料的开发与应用研究力度;发展具有监测功能的大变形锚杆,将监测技术与大变形锚杆设计相融合,拓展大变形锚杆的应用前景。
中图分类号:
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