국내 노후 공동구 성능개선을 위한 실사 및 단면 도출

초록

In this study, the aged utility tunnel was actually surveyed and cross-sectional were derived. Currently, the utility tunnel is at a serious level of aging. If damaged, it can lead to a national disaster, so performance improvement is needed. Utility tunnel is classified as a national security facility, so it is difficult to obtain related information. Therefore, the study was conducted with legal procedures and permission to enter.