Home > The Journal of JAEE > The JAEE Journal Vol.16(2016) No. 7

The JAEE Journal Vol.16(2016) No. 7

Technical Papers

USE OF RADAR CHART AS A TOOL TO EVALUATE ACCURACY OF SEISMIC RESPONSE ANALYSIS OF GROUND AND APPLICABILITY OF VARIOUS SEISMIC RESPONSE ANALYSES
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Yousuke OHYA, Atsushi NOZU, Nozomu YOSHIDA, Eiji KOHAMA, Takahiro SUGANO
Released: June 27, 2016

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abstract

The use of earthquake motion indices, which have been used to evaluate earthquake damage, is proposed in order to improve the evaluation of accuracy of the seismic response analysis of ground. The effective stress analysis shows the best simulation, but other methods are also good depending on the index. It is shown that the proposed method is useful to see the error or accuracy from various points of view. The results clearly indicate that the compatible strain ranges for equivalent linear and total stress truly nonlinear analyses depend on the purpose of analysis.

Coordination of International Urban Search and Rescue (USAR) Teams in the 2015 Nepal Earthquake: “Disaster Literacy” for International USAR
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Yosuke OKITA, Tsukasa KATSUBE
Released: June 27, 2016

PDF[2315K]

abstract

This paper reports and examines the coordination activity of international urban search and rescue teams, which were deployed to the Nepal earthquake in April 2015. The revised INSARAG Guidelines, which include new methodologies such as sectorisation and marking, was endorsed just before the earthquake in Nepal, and this paper will look at how these methodologies were applied in response to the Nepal earthquake based on the authors’ experience in the field. Through the discussion, this paper considers “Disaster Literacy” that international USAR experts should have.

SEVERITY OF MORTALITY IN THE 2011 GREAT EAST JAPAN EARTHQUAKE: AGE DEPENDENCY IN COMPARISON WITH PAST MAJOR EARTHQUAKES
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Yutaka OHTA, Maki KOYAMA
Released: June 27, 2016

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abstract

This paper aims at determining who is most vulnerable in disasters such as an attack by an inland or oceanic earthquake. We found two major patterns (types U and J, represented by English capital letters) when we introduced two-dimensional coordinates having the X axis as the age group and the Y axis as age-specific mortality. We also found two additional patterns of age independence: an initial case with the lowest mortality near zero, and a case with extremely high mortality.

EFFECTS OF THE MODEL FOR SCENARIO TSUNAMI ON THE PROBABILISTIC TSUNAMI HAZARD ASSESSMENT
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Hideharu SUGINO, Yoko IWABUCHI, Yuta ABE, Fumihiko IMAMURA
Released: June 27, 2016

PDF[5164K]

abstract

The 2011 Tohoku Earthquake exceeded the maximum magnitude of historical earthquakes. After the earthquake, new methods and models for scenario tsunamis have been proposed. We applied one of them to the inter-plate earthquake tsunamis along the Chishima-Japan Trench, and showed the effects of treating uncertainties in the scenario tsunamis on the probabilistic tsunami hazard assessment by comparing the results with those using the conventional model based on the maximum magnitude of historical earthquake tsunami.

CREATION OF A DYNAMIC THREE-DIMENSIONAL MODEL BY “STRUCTURE FROM MOTION” FROM MULTIPLE FULL HD MOVIES OF A FULL-SCALE
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Shoichiro UCHIYAMA, Hiroshi INOUE, Hiroshi IMAI
Released: June 27, 2016

PDF[5580K]

abstract

On June 5, 2014, a full-scale shaking table test of Indonesian masonry houses was filmed using eight full high-definition (HD) movie cameras. From each of these eight cameras, 399 video frames (i.e., a total of 11,575 video frames per camera) were captured from the beginning of the shaking test to the collapse of the building at the 4th shaking test. This raw dataset was then processed by Structure from Motion (SfM) software to construct a three-dimensional model, with the behavior of the model observable in chronological order from arbitrary viewpoints. In our study, we found that the SfM processing results were affected by the quality and number of images used for processing, although we show that SfM is a powerful tool for observing the dynamic behavior of the entire surface of a model for shaking table tests.

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