On the Influence Study to Building by Seoul Sub-way(8-6 site) Tunnel works

서울지하철공사 8-6공구터널 발파작업으로 인한 진동, 소음이 지상주택가 구조물에 미치는 연구조사

On the Seoul Sub-way Tunnel works (8-6 site ). Cautious blasting works were so effectivelly tarried out the vibration record were under 0.3cm /sec and blasting noise was under 75dB which was measured at the ground of house. As a result cautious blasting works under above allowable value was not influenced the structure of house and living. On the architectural survey, There were some hair crack on the wall and floors but this was not a crack from balsting work.