无砂大孔绿化混凝土在河涌整治护岸工程中的应用研究

Application of Sand-Free Macro-void Planting Concrete in Bank-Protection Works of River Harnessing Project

无砂大孔绿化混凝土多孔透水,其上可种植水生植物,用于河涌整治护岸工程,具有护岸、绿化造景、美化环境、改善水体生态平衡和净化水质等功能,是一种建造生态水工的绿色混凝土。试验发现无砂大孔绿化混凝土的最佳水灰比与水泥用量呈线性关系,随水泥用量增大而减小;强度随水泥用量增大而增大,呈线性关系;强度也随水灰比减小、龄期延长而增大。

Hydrophytes can survive in sandfree macrovoid planting concrete with porous and pervious structure.It can be used for bank-protection works of river harnessing project,for it has functions of bank protection,landscape forestation,environment beautification,ecological balance improvement and water purification.And it is a kind of ＂green＂ concrete for ecological hydraulic project.Through experiment,it is found out that the optimal water-cement ratio decreases linearly with cement content,and strength increases linearly with cement content,and strength decreases with the water-cement ratio and increases with time.