Reconnaissance Report of July ۱۶, ۲۰۰۷ Niigata-Ken Chuetsu-Oki, Japan, Earthquake
سال انتشار: 1386
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 137
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شناسه ملی سند علمی:
JR_JSEE-9-0_004
تاریخ نمایه سازی: 14 آبان 1400
چکیده مقاله:
The damage survey of the Niigata-ken Chuetsu-Oki, Japan earthquake (MJMA = ۶.۸) of July ۱۶, ۲۰۰۷ was conducted by the reconnaissance team of Disaster Prevention Research Institute (DPRI), Kyoto university. The area with dimension of ۲۴ km x ۱۹ km is investigated by the reconnaissance team. This paper reports the seismological aspects and observed geotechnical and structural damage during the damage survey in the area. The landslides, liquefaction and ground settlements were the most important geotechnical features that caused serious damage to the lifelines and buildings. Especially, landslides caused major damage to the railways and roads. The building damage survey was conducted around Kashiwazaki city hall where the K-net strong motion station was located. The damage to the buildings was classified as D۲ or D۳ within ۱۰۰m around the city hall. Meanwhile, the collapsed wooden houses (D۶ Grade) were mostly concentrated in Higashi Honmachi street situated in ۲۸۰ m south of city hall. Most of the wooden house, concrete block fences and tomb stones seem to have collapsed in the northwest-southeast direction falling to the east as to the west. This direction was found to be in the direction of slip on the fault.
کلیدواژه ها:
Damage Survey ، Nigata-Ken Chestsu-Oki of July ۱۶ ، ۲۰۰۷ ، Directional Damage ، Geotechnical and Structural Damage
نویسندگان
M.R. Ghayamghamian
IIEES
Tetsuo Tobita
Disaster Prevention Research Institute (DPRI), Kyoto University
Susumu Iai
Disaster Prevention Research Institute (DPRI), Kyoto University
Gi-Cheon Kang
Disaster Prevention Research Institute (DPRI), Kyoto University