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論文
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宮島, 昌克 ; 目黒, 公郎 ; 伯野, 元彦 ; 幸左, 賢二 ; 飛田, 哲男 ; 吉村, 美保 ; 高島, 正典 ; Paola, Mayorca ; Abdolhossein, Fallahi ; 鍬田, 泰子 ; 林, 亜紀夫
概要:
金沢大学理工研究域環境デザイン学系<br />A destructive earthquake (M_W 6.6) occurred on December 26, 2003, at 7:56 GMT (5:26AM local time)
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, near the city of Bam located southeastern part of Iran. There is the Bam fault just 2 km away from the city, which might be activated for the first time in several thousand years. The focal depth is estimated to be 8 to 10 km and the focal mechanism is reported to be dextral strike-slip with small vertical component. Strong motions were recorded in the city, about 14 km from the epicenter. The maximum peak ground acceleration was 1.0g in vertical, and 0.81g and 0.65g in horizontal components. The number of victims due to the earthquake exceeded 40,000 as of Feb. 26, 2004. A major cause of death could be crashed or hit by the debris while sleeping due to the collapse of housings. The earthquake also destroyed the historical mud brick complex, "Arg-e-Bam" which is more than 1,500 years old.
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論文
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宮島, 昌克 ; Miyajima, Masakatsu
概要:
金沢大学理工研究域地球社会基盤学系<br />ユネスコ世界遺産に登録されている、イラン東アゼルバイジャンにある聖ステファノス教会を対象として、北タブリーズ断層を想定地震断層とした強震動予測を行い、耐震診断を行った。その際、常時微動観測や屈折
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法弾性波探査などの各種地盤調査を行って、建設地点の地盤動特性を明らかにするとともに、建物の常時微動観測を行い、建物の動特性も明らかにした。耐震診断結果をもとに耐震補強法を提案した。<br />Prediction of strong ground motion was conducted at St. Stepanos Monetary that was registered as UNESCO World Cultural Heritage in Iran. Scenario earthquake fault was assumed as North Tabriz fault. Several kinds of in situ tests such as micro tremor measurements、shear wave velocity measurements and so on, were conducted to estimate dynamic characteristics of the site. Seismic diagnosis of the monatory was done by using the scenario earthquake motion and methods of seismic retrofitting were proposed.<br />研究課題/領域番号:26303007, 研究期間(年度):2014-04-01 - 2018-03-31
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