抄録
Tokyo Tower has passed for 55 years till today at the end of 1958 since completion. In the meantime, though it is a large-sized steel construction which is easy to corrode, by suitable maintenance preservation by coatings, without spoiling a fine sight function, a ground protection feature, etc., the function it is supposed that it is as a communications tower and a sightseeing spot is held, and nine renewal coating work is carried out till the present.
This paper reports the maintenance preservation by the application coating systems at the time of this construction, and subsequent whole surface renewal coatings.
