Abstract: In most of the hydraulic rehabilitation project, the replacement of the water carrying pipes are installed by jacking method. However, the anticipated reaction force are frequently failed to meet the requirement during the construction. This paper proposes a reaction enhancing method by install battered pile behind the reaction frame. Both theoretical analyses as well as the practical applications have proved that this method is an effective approach.

Key words: Pipe Replacement by Jacking, Jacking Pressures, Jacking Reaction Forces, Battered Piles