Study on Development of the Utilizing System of Lumber Collected from Deconstructed Wooden Buildings and the Damping System for Buildings that are Effective in Immobilization of Carbon Dioxide

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This study was conducted to develop the utilizing system of lumber collected from deconstructed wooden buildings to ground improvement or earthquake resisting element, and to develop the damping system for buildings with reusable wall materials and dry construction method. These systems are effective in immobilization of carbon dioxide. As a result of this study, the following 3 techniques were proposed. (1) Liquefaction countermeasure technique by piling of lumber from deconstructed wooden buildings. (2) Wooden share wall and wooden frame inserted K-type braces symmetrically reusing lumber from deconstructed wooden buildings. (3) Frictional damping concrete block wall by dry construction method. The effectiveness of these techniques was confirmed by static or dynamic horizontal loading test, or shaking table test.