Method for early warning against coal rock burst dynamic disasters

Abstract

The invention provides a method for early warning against coal rock burst dynamic disasters. According to rock burst disaster characteristics, an early warning model and an index and identification analysis mathematical model are constructed against disaster occurrence objective risk and preventive measure defects and management defects and the like, and a relevant early warning technology and system are formed based on a downhole sensor, a ground server and a basic data information platform and the like. According to the method, by utilizing the big data technology, rock burst disaster prevention and early warning are performed from the process, loopholes in each link are avoided, and the early warning and prevention success rate is ensured.

Description

technical field [0001] The invention relates to the field of coal mine rock burst prevention and control, in particular to a coal rock rock burst dynamic disaster early warning method. Background technique [0002] From the perspective of energy demand, my country's coal-based energy pattern will not change in a short period of time, and the proportion of coal will remain at about 50% for a long time, and about 95% of coal mining is dominated by underground mining. At present, coal mining extends to the deep at a rate of 10-20m per year. Deep mining has gradually become the norm in the central and eastern regions, and rock burst disasters are becoming more and more serious. After years of development in China's rock burst disaster prevention technology, it is basically clear that the occurrence of rock burst The physical and mechanical characteristics of coal and rock mass, that is, the impact mostly occurs in the area of ​​coal and rock mass that has a tendency to impact an...

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Problems solved by technology

At present, coal mining extends to the deep at a rate of 10-20m per year. Deep mining has gradually become the norm in the central and eastern regions, and rock burst disasters are becoming more and more serious. After years of development in China's rock burst disaster prevention technology, it is basically clear that the occurrence of rock burst The physical and mechanical characteristics of coal and rock mass, that is, the impact mostly occurs in the area of ​​coal and rock mass that has a tendency to impact and accumulates a large amount of elastic energy, and relatively available identification techniques, critical values, and prevention techniques have been formed, such as microseismic technology, electromagnetic radiation technolo...

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