서울지하철 7-20공구 터널 굴착으로 인한 지상 주택 구조물에 미치는 진동 소음 영향 조사연구

On The influence study to building by seoul sub-way construction 7-20 site Tunnel works.

On the Seoul sub-way tunnel works 7-20 site, Cautious blasting works were so effectivelly carried out. The vibration record were under 0.3cm/sec and blasting noise was under 80dB. Which was measured at the ground of house. At a result cautious blasting works under above allowable value was not influenced the structure of house and living conditions. On the architectural survey, They were some hair crack on the wall and floors but this was not a crack from blasting works.