It is largely divided into two kinds in freezing phenomenon of the tunnel. Waterproof membrane damage inside the tunnel construction joints leaked into groundwater leak occurs in the icicle and despite the absence of damage to the waterproofing membrane, waterproofing membrane from the back of the ground water is frozen freeze by interfering with smooth drainage this phenomenon is enlarged and local pressure tunnel ceiling, a crack occurred near the side wall is generated

• 김낙영(한국도로공사 도로교통연구원 수석연구원) | Kim, Nag Young 교신저자
• 김태건(한국도로공사 설계처) | Kim, Tae-Gun
• 심명진(한국도로공사 기술심사처 차장) | Sim, Myung Jin
• 김병구(한국도로공사 재난안전처) | Kim, Byung Gu