摘要
采用现场实测、数值模拟等综合研究方法对深井巷道围岩变形、应力及破坏规律进行了深入研究,揭示了深井巷道时空演化失稳机理,阐明了允许巷道一定变形的支护方法用于深井巷道时围岩破坏失稳的力学本质.提出了深井巷道控制围岩最小变形支护原理,并研发了深井巷道围岩稳定性控制的时空耦合一体化支护技术.其核心是突出不同时间、巷道不同部位,强调实施不同强度一体化主动支护,实现巷道支护在时间及空间上的最佳耦合,及时地尽可能把巷道围岩变形控制在最小范围内.
The deformation, stress distribution and failure zone developing laws of surrounding rock in deep coal mine were studied using the comprehensive research methods including of field measurement and numerical simulation. The space and time evolving instability mechanism of deep coal mine roadway was revealed, and the mechanical essence was demonstrated that the surrounding rock stability of deep mine roadway can be not controlled effectively when supporting method of allowing deformation in shallow coal mine is used in deep coal mine roadway. Supporting principle of controlling the minimum deformation of surrounding rock in deep mine roadway was put forward, and space-time coupled and integrative supporting technology of control surrounding rock stability was developed. The results show that different Strength supporting measures are adopted on reasonable time and proper positions of roadway, and the roadway supporting measures achieve optimum coupling on time and space.
出处
《中国矿业大学学报》
EI
CAS
CSCD
北大核心
2013年第2期183-187,共5页
Journal of China University of Mining & Technology
基金
国家自然科学基金项目(51204006)
安徽省杰出青年基金项目(1108085J02)
安徽理工大学优秀创新学术团队(20091801)
关键词
深井巷道
控制最小变形
时空耦合
一体化支护
roadway of deep coal mine
controlling the minimum deformation
space and timecoupling
integrative supporting
