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本文采用能量法确定重力坝的地震振型应力强度因子,并由此组合最大地震应力强度因子K_(max)计算了重力坝上、下游坝面不同高度6个长度水平裂缝的K_(max)值,并对裂缝扩展的可能性进行了初步的分析;还给出了相似坝形K_(max)值的换算关系。
In this paper, the energy method is used to determine the seismic intensity stress intensity factor of the gravity dam. Based on the maximum seismic stress intensity factor K_ (max), the K max values of 6 horizontal cracks of different height above and below the gravity dam The preliminary analysis of the possibility of crack propagation is also given. The conversion of similar dam shape K max values is also given.