...动态起裂；孕育时间；最大起裂时间；能量 [gap=1190]Key words: engineering mechanics; single-edge cracked plate; dynamic fracture initiation; incubation time; maximum fracture initiation time; energy ..
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Fracture mechanism, initiation and propagation of cracks, and the control method of cracks in rock like brittle material under dynamic load are described in this paper.
本文主要论述了动荷载作用下岩石等脆性材料的断裂破坏机理、裂纹形成与扩展以及裂纹的止裂与控制等内容。
With the compliance changing rate method, the crack initiation time and the dynamic fracture toughness of CFRP and GFRP laminates were obtained at two kinds of strain rates separately.
利用柔度变化率方法确定起裂时间，分别得到在两种加载速率下CFRP、GFRP层板的动态断裂韧性。
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