| 摘要 |
PROBLEM TO BE SOLVED: To provide a scour prevention structure for an abutment and a bridge pier which has little influence on bearing ground of an existing foundation after and during construction thereof.SOLUTION: A scour prevention structure 1 for an abutment 5 supporting a bridge girder 3 comprises: a pair of reaction piles 7 driven close to the abutment 5 with the bridge girder 3 placed in between; and a linear steel sheet pile wall 11 constructed in a manner that surrounds a river side of the abutment 5 by connecting a plurality of linear steel sheet piles 9 with the steel sheet piles arranged at both ends of a wall respectively connected to the pair of reaction piles 7. A region surrounded by the linear steel sheet pile wall 11 is filled with a filling material 13.SELECTED DRAWING: Figure 1 |
