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[1]WANG Guilin,LIU Fang,WANG Tao,et al.Study on the Empirical Relationship between the Local Seismic Magnitude and the Explosive Quantity of the Hurling Blasting in the Heidaigou Open Pit Coal Mine,Inner Mongolia[J].Journal of Seismological Research,2025,(01):170-176.[doi:10.20015/j.cnki.ISSN1000-0666.2025.0018 ]

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Study on the Empirical Relationship between the Local Seismic Magnitude and the Explosive Quantity of the Hurling Blasting in the Heidaigou Open Pit Coal Mine,Inner Mongolia

Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume: Number of periods: 2025 01 Page number: 170-176 Column: Public date: 2024-12-20

Title:: Study on the Empirical Relationship between the Local Seismic Magnitude and the Explosive Quantity of the Hurling Blasting in the Heidaigou Open Pit Coal Mine,Inner Mongolia

Author(s):: WANG Guilin¹; LIU Fang²; WANG Tao¹; ZHAI Hao²; SHU Lei²; JIA Yanjie²; HAN Xiaolei²; ZHOU Xuanchao²; WEI Jianmin²; GUO Wei²; SU Riya²; ZHAO Yanhon; (1.Heidaigou Open Pit Coal Mine,Ordos 010300,Inner Mongolia,China；2.Inner Mongolia Earthquake Agency,Hohhot 010051,Inner Mongolia,China；3.Beijing Gangzhen Technology Co.,Ltd,Beijing 102600,China；4.Beijing Earthquake Agency,Beijing 100080,China)

Keywords:: the Heidaigou Open Pit Coal Mine; hurling blasting; local magnitude; explosive quantity

CLC:: P315.3

DOI:: 10.20015/j.cnki.ISSN1000-0666.2025.0018

Abstract:: Based on the project “Application and Research of Hurling Blasting Vibration Control Technology in the Hedaigou Coal Mine”,we use the blasting data of the Hedaigou Coal mine to study the relationship between the local seismic magnitude(M_L)and the explosive quantity of the hurling blasting in the Hedaigou Open Pit Coal Mine.In order to address the errors in transfer function,normalization factor,magnification,and other parameters of the seismographs of the Seismic Network of the Hedaigou Coal Mine during long-term observation,we carry out a same-site monitoring of the blasting to do real-time revise of the parameters of the seismographs of the Seismic Network of the Hedaigou Coal Mine.We find that the blasting waveforms recorded by the two seismographs from two different seismic networks at the same site are consistent.Using the near-field data of the Seismic Network of the Hedaigou Coal Mine and the gauge function of the local magnitude(M_L)within 5 km,we calculate the local magnitudes(M_L)of four blasts from May to August in 2023.On the basis of the data of 44 blasts recorded by the Seismic Network of the Hedaigou Coal Mine and the Inner Mongolia Seismic Network,and using the orthogonal regression method(OR),we obtain the empirical relation between the local seismic magnitude M_L and the explosive quantity Q of the hurling blasting in the Heidaigou Coal Mine:M_L=3.15lgQ-6.88.

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Last Update: 2025-01-01