The result of simulation on response of a pole with a string at the top end to vibrational force applied to its base

摘要

To assure the safety of railway network in Japan, we carried out the analytical calculations. In this paper the dynamics of a contact wire and poles is analyzed assuming the poles as a Bernoulli-Euler beam and a contact wire as a string. Suppose a pole or poles installed under various conditions: (1) a pole standing with no string at the top, (2) a pole standing with a string stretched at the top to an infinite length, (3) a pole standing with a string stretched at the top to a definite length, (4) a series of poles standing at equal intervals with a string stretched at the top.