Journal of the Architectural Institute of Korea (대한건축학회논문집)

Architectural Institute of Korea (대한건축학회)
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A Study of the Dynamic Properties of Traditional Wooden Structure Based on Microtremor Measurement and Dead Load Measurement

전통목조건축물의 상시미동계측과 건물하중 계측을 이용한 동적특성 분석

  • Kim, Won-Jong (Safety and Disaster Prevention Division, Natural Research Institute of Cultural Heritage) ;
  • Kim, Hyung-Jun (Safety and Disaster Prevention Division, Natural Research Institute of Cultural Heritage) ;
  • Ha, Tae-Uk (Safety and Disaster Prevention Division, Natural Research Institute of Cultural Heritage) ;
  • Shin, Eun-Mi (Safety and Disaster Prevention Division, Natural Research Institute of Cultural Heritage)
  • 김원종 (국립문화재연구원 안전방재연구실) ;
  • 김형준 (국립문화재연구원 안전방재연구실) ;
  • 하태욱 (국립문화재연구원 안전방재연구실) ;
  • 신은미 (국립문화재연구원 안전방재연구실)
  • Received : 2022.08.10
  • Accepted : 2022.11.04
  • Published : 2022.12.30
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Abstract

The purpose of this study is to analyze how the dead load of a traditional wooden structure according to the changes of environmental factors is related to dynamic properties of structure. For this purpose, microtremor measurements were performed once a month for one year to calculate the monthly modal natural frequency of the target structure. Dead load of structure is measured from load cell which is installed under each columns of structure on a hourly basis. The yearly change in dead load was estimated in consideration of the change in environmental factors such as temperature, relative humidity, rainfall and snowfall, and it compared with the dead load measured from the load cell. As a result, the measured dead load was found to be within the range of dead load changes. Each modal natural frequency was kept constant regardless of the measurement time. It was found that the change in dead load was not a major factor in changing each modal natural frequency.

Keywords

Acknowledgement

이 연구는 2022년도 국립문화재연구원 연구비 지원에 의한 「목조 건축문화재 내진성능 연구」 결과의 일부임. 과제번호: NRICH-2205-A64F-1

References

  1. Earthquake Enginnering Society of Korea (2012). A study on the safety evaluation standard for reduction of earthquake disaster of cultural heritage, Cultural Heritage Administration, 176.
  2. Forest Products Laboratory (2010). Wood handbook-Wood as an engineering material. General Technical Report FPL-GTR-190. Madison, U.S. Department of Agriculture, Forest Service, 4-4, 4-10.
  3. Forestry Research Institute (1994). Wood properties and uses of the major tree species grown in Korea, Forestry Research Institute, 123.
  4. Jim, L., Bowyer, Rubin Sumulsky., & John, G., Haygreen. (2003). Forest Products and Wood Science An Introduction, Fourth Edition, A Blackwell Publishing Company, 220-227.
  5. Kim, H. J., Shin, E. M., Jung, S. J., Ha, T. U., & Kim, W. J. (2020). A study on the estimation of roof load of wooden architectural cultural heritage, Journal of the Society of Cultural Heritage Disaster Prevention. 5(1), 43-52.
  6. Korean Agency for Technology and Standards, (2019). Clay roof tiles (KS F 3510:2019), Korean Agency for Technology and Standards, 5.
  7. Korean Agency for Technology and Standards, (2016). Determination of moisture content of wood (KS F 2199:2016), Korean Agency for Technology and Standards, 3-4.
  8. Korean Agency for Technology and Standards, (2018). Standard specification for pressed cement roof tiles (KS F 4029:2018), Korean Agency for Technology and Standards,
  9. KMA National Climate Data Center, KMA Weather Data Service, Retrieved May 15, 2021 from https://data.kma.go.kr
  10. Ko, Y. N., Kim, H. J., Hwang, J. S., Hwang, J. K., Choi, S. Y., & Jo, B. H. (2014). Evaluation of Site Measurement Method for Traditional Wooden Buildings based on the Rigid Diaphragm Assumption, Architectural Institute of Korea, 30(6), 19-26.
  11. Lee, Y. H., Kim, B. H., & Kim, C. S. (1992). Go-gae-wa-ui Bo-jon-e Gwan-han Yeon-gu, MUNHWAJAE Korean Journal of Cultural Heritage Studies, 25, 231.
  12. National Institute for Disaster Prevention, (2009). A study on the vibration characteristics of traditional wooden structure-the cases of Seoul city and GyeongGi-Do, National Institute for Disaster Prevention, 224-270.
  13. National Research Institute of Cultural Heritage (2007). Development of monitoring technology for cultural heritages, National Research Institutue of Cultural Heritage, 182-223.
  14. National Research Institute of Cultural Heritage (2008). Structural health monitoring technology for wooden cultural heritages, National Research Institutue of Cultural Heritage, 107-120.
  15. National Research Institute of Cultural Heritage (2009). Structural health monitoring technology for wooden cultural heritages, National Research Institutue of Cultural Heritage, 165-262.
  16. Park, S. A., Min, K. W., & Choi, J. S. (2011). Ambient Vibration Analysis of Heunginjimun, Architectural Institute of Korea, 27(4), 23-30.
  17. Statistics Korea (2014). Manual for self assessment of statistics quality, Statics Korea, 59.