Abstract: Based on the blasting construction of a large-scale underground water-sealed cavern reservoir project, field vibration monitoring was conducted to analyze the propagation law of blasting vibration in the surrounding rock of the cavern group.The peak particle velocity(PPV)of the surrounding rock was found to occur during the detonation of the perimeter holes or floor holes. The attenuation of PPV in the surrounding rock of the blasting cavern was in good agreement with the Sadovsky formula. A significant difference in vibration was observed between the two side walls of adjacent caverns. An amplification effect was identified for the PPV on the side wall facing the blast, while the PPV on the opposite side wall was only 5% to 10% of that on the blast-facing side. Furthermore, the PPV on the cavern side wall was found to decrease in a wavy pattern with increasing horizontal distance from the blasting source. The research results provide a reference for the monitoring, prevention, and control of blasting vibration in underground caverns.
李俊彦, 陈坚, 卢雪峰, 陈祥. 地下水封石油洞室群爆破振动规律现场试验研究[J]. 隧道与地下工程灾害防治, 2025, 7(4): 76-85.
LI Junyan, CHEN Jian, LU Xuefeng, CHEN Xiang. Field experimental study on the blasting vibration law of underground water-sealed oil cavern group. Hazard Control in Tunnelling and Underground Engineering, 2025, 7(4): 76-85.
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2025, Vol. 7 
