Abstract
This paper proposes an escalator that can suppress earthquake displacement of an over-track post-house. The escalator is fixed to a pit under a platform and is connected to the post-house through a load-limiting mechanism using low yield stress steel. A method for modeling the frame of the escalator can be easily applied to frames with various specifications. The frame, a welded part, and a bolt joint are modeled as a shell element, a tying between nodes on a pair of lines, and a tying between nodes on vertices of octagons meaning bolt holes, respectively. A series of experiments with a test model demonstrated the validity of the model. The designed escalator has 683 kN allowable load, 6.5 mm allowable deformation, and 160 kN/mm stiffness.
