Not only occupied by precipitous terrain with complex geological condition, Japanese island is located in the typhoon root and on earthquake prone zone which the country is easily affected by natural disasters. In recent years, landslides, slope failures and liquefaction of foundation were brought to citizen's attention after recent massive earthquake. Before and after the catastrophy of the nature, NITTOC played an important role for design and application of countermeasures and renovation of manmade structures. For the creation of safe and comfort urban life, NITTOC proposes suitable measures for risks of natural disaster. |