Project name,installation site Iwabuchi overbridge, Tokaido Shinkansen Date of construction 2006 / 12 Date of investigation 2011 / 12 Duration 8 Years Specification of ZAM™ 2.3mm K27 Photo of the project(early years) 3S sheet installation place (Iwabuchi overbridge) Photo of the project (Aging) After 3S sheet installation 8 years after 3S sheet installation Enlarged view of the 3S sheet Part of the 3S sheet where white rust generated 3S sheet composition