Evaluation of Environmental Effects of Coastal and Harbor Structures Using Concrete Armor Blocks

In recent years, consideration of the environmental influence of coastal structures is becoming more important, because of the huge consumption of materials and large amount of greenhouse gas resulting from construction. Technological innovation to reduce the environmental load to the earth and a method to estimate this load are required. The purpose of this study is to evaluate the environmental effects of coastal structures using concrete armor blocks, especially focusing on the reduction of the amount of greenhouse gas resulting from the production and transportation of the materials and during the construction from manufacturing to placement of the blocks. It is concluded that the new armor block is very effective to reduce environmental load.