Testing method for mode I crack dynamic fracture overall process parameters under blast loading
A test method and explosion load technology, applied in the field of geotechnical engineering, can solve problems such as short crack initiation time
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[0025] In order to explain the objectives, technical solutions and advantages of the present invention more clearly and clearly, the implementation process of the present invention will be comprehensively described below in conjunction with embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not used to limit the present invention.
[0026] The application principle of the present invention will be further described below in conjunction with the drawings and specific embodiments.
[0027] Such as figure 1 As shown, the method for testing the dynamic crack arrest toughness of mode I crack under explosive load in the embodiment of the present invention includes the following steps:
[0028] Step1: Using a large-size internal single-crack disc sample, pass 8 # Detonator explosion experimental device, which realizes the explosive loading of the sample to complete the experiment;
[0029] Step2: Convert the m...
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