Abstract:The intersection node of utility tunnel is a typical three-dimensional stress node. The intersection node needs to establish a three-dimensional model for calculation, which is different from the one-way strip design method of standard section design, at the same time, it needs to take one-way frame from two directions for review. Taking an engineering intersection as an example, this paper focuses on the analysis of the intersection about the influence of the middle wall on the frame stress, so as to provideSaSreference for related projects.