【摘 要】
:
<正> The change rules of displacement field characteristics of coal seam and tun-nel's surrounding rock were obtained by means of numerical simulation-FLAC3
【机 构】
:
DepartmentofResourcesExplorationandManagementEngineering
【基金项目】
:
Supported by National Natural Science Foundation of China(50674003) and National Basic Research Program(973)