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针对大直径Hopkinson杆实验技术在混凝土类脆性材料动态力学特性研究中的广泛应用,综述常规分离式Hopkinson杆实验技术在混凝土材料动态力学性质研究中面临的挑战与存在的关键问题,分别总结混凝土材料动态压缩和拉伸力学性质测试中常用的Hopkinson杆实验技术,并指出其局限性和不足之处。
In view of the wide application of large-diameter Hopkinson bar experimental technique in the research of dynamic mechanical properties of concrete brittle materials, the challenges and existing problems in the study of dynamic mechanical properties of concrete materials by conventional split Hopkinson bar test are summarized. Concrete materials Hopkinson bar experimental technique commonly used in dynamic compression and tensile mechanical properties testing is presented and its limitations and shortcomings are pointed out.