2000年鳥取県西部地震における被災者の住宅復旧選択 : 統計資料とアンケート調査による要因分析

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This study aims to clarify how home owners decide either to demolish and to rebuild or to repair their damaged dwellings after the 2000 Western Tottori earthquake. Statistical data of dwelling damage, demolition, insurance and public housing restoration subsidy were collected and examined. Questionnaire survey was conducted in Hino town asking extents of damage, dwelling conditions before and after the earthquake, restoration process and cost, and family conditions, and 78 cases of data were collected. The major findings are as follows; 1) In Tottori prefecture, 1700 damaged housing were demolished and demolition and waste processing cost 1.30 million yen per case. 2) In Hino town, 70% of households had contract of Japan Agricultural housing insurance and payment by JA insurance was an important resource for restoration. 3) Dwellings of heavy damage category by official damage survey tend to indicate moderate damage by structural damage survey. However, many of such dwellings with heavy damage category were demolished. 4) Rebuilding cases were divided into those with smaller expenses and others with larger expenses. Elderly households with pension income faced difficulty for restoration. 5) Tree model analysis indicated that official damage category of heavy damage affected rebuilding most, rather than structural damage category level. In future earthquakes, more support for repairing and strengthening of damaged dwellings are important in view of sustainable disaster recovery. Engineering procedure to evaluate reparability and repairing method of damaged dwellings should be developed.
2004-05-30

2000年鳥取県西部地震における被災者の住宅復旧選択 : 統計資料とアンケート調査による要因分析

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