慨况········································································· 12
预制块护坡 ································································ 22
预制块制作 ····························································· 2 2
预制块铺设 ····························································· 2 3
抛石护岸 ··································································· 33
施工程序 ······························································· 3 3
施工测量 ······························································· 4 3
材料准备 ······························································· 4 3
抛投试验 ······························································· 4 3
水下护岸抛石 ·························································· 5 3
水上护岸抛石 ······························