TY - JOUR A2 - Wang, Pengfei AU - Xu, Ying AU - Ge, Jinjin AU - Li, Hailong AU - Yang, Rongzhou AU - Wang, Kun AU - Hu, Shi PY - 2020 DA - 2020/11/29 TI - Relationship between Fractal Dimension of Fragmentation Degree and Energy Dissipation of Rock-Like Materials under Initial Stress SP - 8861971 VL - 2020 AB - In order to obtain the relationship between fractal dimension and energy dissipation of rock-like materials under initial stress state, a variable cross-section split Hopkinson pressure bar (SHPB) test system with active confining pressure loading device was used to carry out impact compression and splitting tests on cemented sand specimens.撞击测试结果显示(1)使用分形模型对凝固沙标的碎片度预测值基本与实际测试筛选结果一致,而实际测试结果验证本研究分片计算模型的适用性裂分度越严重 分形维度越大 即断分能正相联分形维度分形维度与初始应力下凝固沙标实验结果本项研究可用于修改分形破损模型SN-1070-9622UR-https://doi.org/101155/208861971DO-10.1155/20886197