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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 326 - 334 (9page)
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초록· 키워드
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Underground water-sealed gas storage caverns have become the primary method for strategic storage of LPG. Previous studies of excavation blasting effects on large-scale underground water-sealed gas storage caverns are rare at home and abroad. In this paper, the blasting excavation for underground water-sealed propane storage caverns in Yantai was introduced and field tests of blasting vibration were carried out. Field test data showed that the horizontal radial velocity had a major controlling effect in the blasting vibration and frequencies would not cause the vibration velocity concentration effects. In terms of the influence of blasting vibration on adjacent caverns, the dynamic finite element model in LS-DYNA soft was established, whose reliability was verified by field test data. The numerical results indicated the near-blasting side was primary zone for the structural failure and tensile failure tended to occur in the middle of the curved wall on the near-blasting side. Meanwhile, the safety criterions for adjacent caverns based on stress wave theory and according to statistic relationship between peak effective tensile stress and peak particle velocities were obtained, respectively. Finally, with Safety Regulations for Blasting in China (GB6722-2014) taken into account, a final safety criterion was proposed.
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등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Adhikari, G. R. / 2004 / Vibration monitoring and blast damage assessment in underground metal mines / Journal of Mines Metals & Fuels 52:78~83
AQSIQ / 2014 / Safety regulations for blasting vol GB6722-2014 / China Water Power Press
Chen, J. H. / 2015 / Rock blastinginduced damage zone and its evaluation during excavation of a large-scale underground powerhouse / Zhendong yu Chongji/Journal of Vibration and Shock 34:54~61
Chen, M. / 2008 / The influence of explosive stress wave on young concrete lining / Rock & Soil Mechanics 29:455~459
Hamdi, E. / 2011 / A tensile damage model for rocks: Application to blast induced damage assessment / Computers and Geotechnics 38:133~141
AQSIQ / 2014 / Safety regulations for blasting vol GB6722-2014 / China Water Power Press
Chen, J. H. / 2015 / Rock blastinginduced damage zone and its evaluation during excavation of a large-scale underground powerhouse / Zhendong yu Chongji/Journal of Vibration and Shock 34:54~61
Chen, M. / 2008 / The influence of explosive stress wave on young concrete lining / Rock & Soil Mechanics 29:455~459
Hamdi, E. / 2011 / A tensile damage model for rocks: Application to blast induced damage assessment / Computers and Geotechnics 38:133~141
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