Tunnel and Underground Space (터널과지하공간)

Korean Society for Rock Mechanics and Rock Engineering (한국암반공학회)
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Effect of Ground Vibration on Surface Structures and Human Environments -Application of Blasting Vibration to Induced Seismicity in EGS Hydraulic Stimulation-

지반진동이 지상구조물 및 환경에 미치는 영향평가 -발파진동 사례를 통한 EGS 수리자극에의 활용-

  • 이정인 (서울대학교, 한국과학기술정보연구원 ReSEAT) ;
  • 민기복 (서울대학교 에너지자원공학과)
  • Received : 2013.11.21
  • Accepted : 2013.12.23
  • Published : 2013.12.31
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Abstract

While microseismicity induced by hydraulic stimulation carried out for EGS is useful means in estimating the range of permeability increase, it also affect surface structures and environments. In order to establish a mitigation plan for microseismicity triggered by hydraulic stimulation, we reviewed world-wide guidelines on the impact of ground vibration on the surface structure and human environment by blasting. Case studies from Europe and USA on the microseismicity by hydraulic stimulation are presented and suggestions are made for the guidelines on ground vibration by hydraulic stimulation for the ongoing Pohang EGS project.

EGS지열발전을 위한 수리자극시 발생되는 미소진동은 투수율 증가의 범위를 파악하는 유용한 수단이 되기도 하지만 지반진동으로 인하여 지상구조물 및 환경에 영향을 미친다. 본 연구는 EGS 지열발전의 수리자극에 의하여 발생하는 미소진동의 안전관리 기준을 수립하기 위하여 지반진동이 건축구조물 및 인체환경에 미치는 영향과 각국의 허용기준을 발파진동을 중심으로 조사 하였다. 또한 유럽과 미국에서 지열발전의 수리자극에 의한 미소진동의 연구사례를 조사 검토하여 포항 EGS 수리자극에 의한 지반진동의 관리 기준에 필요한 자료와 그 대처방안을 제시 하였다.

Keywords

References

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