Analysis and Prevention Discuss of Coal Mine Roof Accidents in Shandong Province under the New Situation
In order to further explore the methods for preventing and controlling the risks of coal mine roof accidents,the recent period situation of coal mine roof accidents in Shandong Province is summarized,conducts statistical analysis from different perspectives,studies the occurrence laws and characteristics of accidents,and proposes targeted countermeasures.From the statistical analysis results,it can be seen that over the past decade,there are significant changes in the law of coal mine roof accidents in Shandong Province.The number of accidents and deaths fluctuated and decreased,but they still occurs frequently;the accidents show obvious regional characteristics,with high frequency of roof accidents in major coal producing cities such as Zaozhuang,Jining,and Tai'an,etc;the on-site roof conditions change from the influence of single type geological factors to the influence of complex surrounding rock conditions,and the roof accident causes change from the simple type reasons such as insufficient support and empty roof operation to the coupling influence of multiple disaster causing factors.It is necessary to make joint efforts from improving the roof management system,general survey of disaster causing factors,application of advanced equipment technology,strengthening safety training and other aspects to effectively manage and control the major risks of roof accidents.
roof accidentcause analysisoccurrence lawroof managementmanagement and control countermeasure
国家科技期刊平台
NSTL
万方数据
