The optimal control methods to reduce the environmental hazards surrounding the YoungNam Uni. Rotary of City Taegu constructing Subway Line No.1

대구 지하철 구간내 선형 변동에 따른 소음 및 진동 저감 방안 연구

  • 지왕률 (동아건설 설계실) ;
  • 최재진 (동아건설 설계실 사원) ;
  • 강상수 (한국자원연구소 자원개발연구부) ;
  • 강대우 (동아대학교 자원공학과)
  • Published : 1997.06.01

Abstract

The objective of this study is to predict the minimization effect of the noise and vibration during the construction and the train operation regarding to the design modification of the Taegu Subway Line No. 1. It was suggested optimal control blasting methods to reduce the causing vibration Nuance to the resident in City Taegu and also proposed the better governing method to decrease the environmental hazard to the near buildings and residents during the train operation. When the high-density gaseous reaction of explosion products exerts a high pressure in motion outward, a dynamic stress field will be created in the surrounding buildings. Therefore, in the region close to the charge, permanent damage begins to occur at a great critical level of partial velocity, that is difficult from different structure as working conditions. It is reliable to predict that the damages could be reduced if we know the peak velocity and the exact reasons through the conducting of detail studies of structural analysis of the related buildings with the optimal blasting designs. A blasting technique should be deemed to take advantage of the reduction of damage of the surrounding rocks and structures to improve the in-city blasting. This is a typical in-city blasting operation where success depends on closely controlling the ground vibrations in case of better designed blasting methods. There are techniques that can be applied to prevent large vibrations from damaging the important buildings through the Route Modification of the Taegu Subway Line No. 1.

Keywords

References

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