【摘要】 本文利用大变形有限元的基本理论，提出了有限元大变形衬砌单元模型，并推导了其相关的大变形有限元计算公式，成功地解决了岩土工程喷射混凝土或衬砌支护的大变形有限元模拟计算问题，具有广泛的理论意义及实用价值更多还原

【Abstract】 Based on the basic theory of finite element method for large deformation,this paper had firstly advanced a new lining element model of finite element mehod for large deformation.Moreover,the rleated formula had been deduced.It had successfully solved the problems of simulation and computation of finite element method of large deformation in shotcreting and lining supports.Therefore,there had been extensively theoretical significance and practical value on rock and soil engineering.更多还原