摘要
本文提出了用有限元法对地下工程围岩进行应力分析的极限误差的概念,并以圆截面水平巷道为例,导出了极限误差的估计公式,为工程设计提供了可资参考的依据。
In this paper, the author has put forward the concept of the limiting error in the stress analysis for the surrounding rock of underground engineering with FEM, and derived, taking the horizontal tunnel with circular section as an example, the estimation formula for the limiting error, thus providing reference basis for engineering design.
关键词
地下工程
围岩
应力
误差
underground engineering
finite element method
limiting error
