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Abstract: The phase 1 of line 6 of Tehran metro with 11700km connects the South East to the North East of the metropolitan. At 6526km, this line underpasses the line 7 so that there is 1.67m vertical distance between the floor of line 7 and the crown of line 6. In this paper, the intersection has been modeled using the 2D finite element method. A model close to reality has been constructed to study the...