In this paper, According to the infection line method, the maximal values (sefflement, shear and moment) of the tunnel are calculated by using the theory of beams on elastic foundation.

• 本文根据弹性地基梁原理,采用计算各截面的影响线方法,按最不利情况加载,得到了最大的反应值(沉陷、剪力和弯矩)。