As numbers of tunnel are increased, the necessity of temporary maintenance works of those tunnels is also increased. This study introduces new space truss frame system for the maintenace of tunnels. Proto-type model was analyzed and evaluated. The result shows that new system may contribute to save the maintenance cost and time.

• 이동규(세종대학교 건축공학과 조교수, 공학박사,) | Lee, Dong Kyu
• 김도환((재)포항산업과학연구원 강구조연구소 건축건자재연구본부 책임연구원, 공학박사, 구조기술사) | Kim, Do Hwan
• 김진호((재)포항산업과학연구원 강구조연구소 건축건자재연구본부 본부장, 공학박사) | Kim, Jin Ho