煤体化学加固力学机理的研究煤科总院北京开采所承担的“煤体化学加固力学机理的研究”，采用数值模拟与现场验证相结合的方法，对综采工作面冒顶机理及其影响因素进行了系统研究，并列出了影响端面冒顶的十大因素及其各自的权值，研究中得出了减小端面距加固煤壁比加固顶... Research on mechanism of chemical strengthening of coal body Coal Research Institute of Beijing mining undertaken by the “mechanics of chemical strengthening of coal chemistry,” the combination of numerical simulation and on-site verification method of mechanized mining face mechanism and its influencing factors Carried out a systematic study and lists the top ten factors affecting the roof fall and their respective weights, the study concluded that reducing the distance from the reinforcement of coal wall reinforcement ratio.