Abstract

ABSTRACT The 1995 Hyogoken-Nambu earthquake of January 17, 1995 resulted in a devastating damages to the highly developed urbanized region of Kansai, and created a total of 20,000 Gg (20,000,000 ton) of debris. Debris clearance in two years became an urgent and difficult emergency management issue for the disaster managers in Kobe city and Hyogo prefecture. The status of debris clearance was reviewed for each of the demolition operation phase, transportation, crushing and separation at a temporary storage location, disposal at final landfill site phases in terms of problems and state of progress. In practice, most of the debris may be either disposed of at landfill sites or reused as materials for construction. Therefore the debris clearance operation should focus on the geotechnical engineering approach as an important post-disaster issue to control the quality of the incoming flow of potential soil materials. The importance of an emergency management perspective in this geotechnical approach which takes into account the different criteria related to the operation execution is proposed.

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