supported by the National Natural Science Foundation of China (Nos. 10972072, 50679022, and 10872052);National Basic Research Program of China (No. 2007CB714104);the state Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering at Hohai University (No. 2009585912)
Mechanism interaction between cracks with different orientation angles is analyzed based on the principle of superposition and a flattening method. It is found that the maximum interaction effect does not occur when t...