论文部分内容阅读
阐述了支柱初撑力与减少顶板事故的关系，提出了增加支柱初撑力的措施，并在此基础上研制了增压注液枪，在使用增压注液枪，提高支柱初撑力后，取得了顶板管理良好的安全效益和经济效益。
The relationship between the initial propping force of the prop and the reduction of the roof accident is expounded. The measures to increase the initial propping force of the prop are proposed. Based on this, a pressurized priming gun is developed. After the initial propping force of the prop , Achieved a good roof security management and economic benefits.