摘要
以FLAC3D有限元为主要工具,对锚杆在大变形破碎岩体中的支护作用进行了研究分析。指出锚杆在大变形破碎岩体中的支护作用明显,它能够控制隧道在开挖后的变形。锚杆的长度和间距对支护效果有影响,设计时应进行综合考虑,选择最优化设计。
Based on the numerical simulation calculation of FLAC3D,the support function of bolt in broken rock with large deformation is analyzed.It is pointed out that the bolt has good support effect in broken rock with large deformation,and can control tunnel deformation after excavation.The length and space distance of the bolt can influence its support effect,so it is necessary to consider all factors during design to get the best design.
出处
《河北交通职业技术学院学报》
2010年第4期46-49,共4页
Journal of Hebei Jiaotong Vocational and Technical College
关键词
大变形破碎岩体
锚杆
支护效果
数值模拟
large deformation broken rock
rock bolt
support effect
numerical simulation
