Niigata Prefecture The existing concrete structure damaged by the Chuetsu Earthquake was restored with ADEAM Wall to strengthen embankment. The reasons why ADEAM wall (diagonal wall type) was adopted for this construction are : because this method meets the requirement specification of (1) the soil can be highly restrained by installing the entire surface of ADEAM, and (2) the wall slope can be changed from 1: 0.1 to 0.5. *Wall height (m): 9.3, *Gradient: 1: 0.1 to 0.5, *Estimated wall area (m2): 789, Grid belt, ADEAM, Horizontal drainage material