The concrete failure mechanism of expanding bolt pullout method is analyzed, and the influence of the pullout and rebound method is summarized in the paper.5.
4.分析了拔出法混凝土破坏机理,总结了影响拔出法的骨料粒径、碳化深度、混凝土强度等级及混凝土不同部位和回弹法的碳化、龄期及养护方法等因素。
参考来源 - 基于拔出法的商品混凝土强度检测方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In this paper, the writer studied a new detecting technique-expanding bolt pullout method by using expanding bolt as bulkhead.
本文采用胀栓作为锚固件，研究胀栓拔出法新无损检测技术。
Finally, the thesis analyzed the concrete failure mechanism of expanding bolt pullout method and summarized the influence of it.
本文分析了胀栓拔出法混凝土破坏机理，总结了胀栓拔出法的各种影响因素。
Objective: To compare the initial stability and pullout strength of threaded and non threaded cervical interbody fusion devices on human specimens by biomechanical method.
目的：用生物力学的方法比较螺旋式与环式椎体融合器的初始稳定性和拔出力量。
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