REINFORCEMENT STRUCTURE OF EXISTING BREAKWATER, REINFORCEMENT METHOD OF EXISTING BREAKWATER, AND REINFORCEMENT BODY

PROBLEM TO BE SOLVED: To provide a simple reinforcement structure of an existing breakwater, facilitating construction, and having high reinforcement effect.SOLUTION: A breakwater 1 is constructed by disposing caissons 11 side by side on a mound 2. Reinforcement bodies 3, each of which is formed by providing a friction increasing mat 32 under the bottom surface of a block body 31, are installed on both end sides of the caissons 11 in the longitudinal direction of the breakwater adjacent to each other on the mound 2 in a land side and an ocean side of the breakwater 1. Thereby, resistance force against sliding and overturn of the breakwater 1 caused by waves toward the land and the ocean is increased, and also scouring of the mound 2 by waves overflowing the breakwater 1 is prevented. 【課題】簡易かつ施工も容易で補強効果も高い既設防波堤の補強構造等を提供する。【解決手段】マウンド２上にケーソン１１を並べて構築した防波堤１において、ブロック体３１の底面に摩擦増大マット３２を設けてなる補強体３を、防波堤長手方向のケーソン１１の両端部において、防波堤１の陸側と外洋側のマウンド２上に隣接させて設置する。これにより、陸へ向かう波と外洋へ向かう波による防波堤１の滑動や転倒に対する抵抗力を増大させるとともに、防波堤１を越流する波によるマウンド２の洗掘も防止する。【選択図】図３