Abstract
Immediately after the 2016 Kumamoto earthquake series, a detailed damage assessment of more than 2,500 wooden houses was conducted at Mashiki Town, Kumamoto. Severe structural and nonstructural components damages were observed for buildings designed after the 2000 building standard law. Results of the field investigation were used to identify vulnerable building type, and in October 2017, a full-scale, two-story, Japanese conventional post and beam wood townhouse was tested under the 2016 Kumamoto earthquake series recorded at the KiK-net station. A triaxial shake table testing facility located in Miki City, Japan, was used. The tested building survived the foreshock and mainshock of the Kumamoto earthquake, and the extent of damage reasonably agreed with the result of the survey around the KiK-net station. Results of the experimental tests will help designers and decision makers to understand the seismic response and damage of the test building and come up with mitigation alternatives.
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Acknowledgments
The authors greatly appreciate the faculty members and students of the universities and colleges belonging to the Kyushu Branch of Architectural Institute of Japan; Prof. Mineo Takayama, chairperson of the disaster committee; Fukuoka University; and members of Timber Structure Management Committee. The authors also greatly appreciate the information provided by the National Institute for Land and Infrastructure Management (NILIM), especially Takafumi Nakagawa. Shake table tests were conducted at E-Defense of the National Research Institute for Earth Science and Disaster Resilience. The authors also thank the damage inspection team, including Ryo Inoue of Hiroshima University.
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Published In
Journal of Performance of Constructed Facilities
Volume 33 • Issue 2 • April 2019
Copyright
©2019 American Society of Civil Engineers.
History
Received: Feb 19, 2018
Accepted: Aug 31, 2018
Published online: Jan 30, 2019
Published in print: Apr 1, 2019
Discussion open until: Jun 30, 2019
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