Abstract: Rockfall is a serious geological hazard in railways in the mountainous areas and it is important to minimize the occurrence of the rockfall incidents since it has the characteristics of sudden and large damage scale. This paper presents the rockfall prevention project for a rockfall shelter for the portal of Wangjiagou Tunnel in XiangYu Railway Line. The design improvement was made on the rockfall shelter in an area with known rockfall hazards. The innovative design made an efficient rockfall shelter protecting both the existing railway line and the proposed line with a large distance.

Key words: Xiang-Yu Line, Wangjiagou Tunnel, Tunnel Portal, Rockfall, Rockfall Shelter