| Budget Amount *help |
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2016: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2015: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2014: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2013: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
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| Outline of Final Research Achievements |
Our study on evaluation, remediation and restoration of liquefaction-induced damage to wooden houses suggests the following: (1) Damage to shallow foundations increased with increasing number of stories, contact pressure, and aspect ratio as well as ground settlement, and with decreasing thickness of non-liquefied crust; (2) Settlements of frictional pile foundations were classified into three according to their relative position to the ground, depending on the building and ground conditions, while the rotational constraint at pile head and the ductility and capacity of pile would have differentiated damaged from undamaged structures; (4) the installation of drainpipe around a wooden house was effective in reducing tilt angle of the house; and (5) The extent of damage to shallow foundation may be estimated with the factors of safety against vertical force and overturning moment both acting on the non-liquefied crust supporting the building.
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