Journal of Korean Association for Spatial Structures (한국공간구조학회논문집)

Korean Association for Spatial Structures (한국공간구조학회)
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Vibration testing using the movement of a 60ton crane for the evaluation the stability of nearby stone cultural heritage.

60톤 크레인의 주행 진동 실험을 통한 인접 석조 문화재의 안정성 평가

  • Lee, Ga-Yoon (Deep Learning Architecture Research Center, Department of Architectural Engineering, Sejong University) ;
  • Ra, Young-Eun (LIGNEX1, Mechanica R&D (Surveillance & Reconnaissance)) ;
  • Lee, Jong-Hak (LIGNEX1, Mechanica R&D (Surveillance & Reconnaissance)) ;
  • Lee, Sung-Min (Korea Construction Quality Research Center (KCQR)) ;
  • Lee, Kihak (Deep Learning Architecture Research Center, Department of Architectural Engineering, Sejong University)
  • 이가윤 (세종대학교 건축공학과 딥러닝 건축연구소) ;
  • 라영은 (LIG넥스원, C4ISTAR기계융합연구소) ;
  • 이종학 (LIG넥스원, C4ISTAR기계융합연구소) ;
  • 이성민 ((재)한국건설품질연구원) ;
  • 이기학 (세종대학교 건축공학과 딥러닝 건축연구소)
  • Received : 2024.02.01
  • Accepted : 2024.02.22
  • Published : 2024.03.15
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Abstract

The aim of this study is to evaluate the possibility of damage to cultural assets resulting from vibrations generated by construction vehicle traffic. The cultural heritage's natural vibration frequency was determined to be 150Hz by measurement. The damping ratios were calculated as 4.7% using the logarithmic decrement approach and 4.3% using the half-power method. The vibration measurements obtained during vehicle operation indicated that, despite an increase in vehicle velocity of up to 15 km/h, the vibrations remained below the detectable level of 0.13 mm/sec. When the road is curved and the terrain is sloped, a suitable speed for vehicle operation was found to be around 17 km/h, at which point vibrations were seen. The highest recorded vibration amplitude at this velocity was 0.217 mm/sec, which remains below the stringent regulation limit of 2 mm/sec. Thus, it can be concluded that there is no actual harm caused by vibrations.

Keywords

Acknowledgement

이 논문은 LIG넥스원과 2024년 한국연구재단 (2022R1I1A1A01065372) 연구비 지원에 의해 수행되었습니다. 이에 감사드립니다.

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