我国沿海地区有大量的海砂,在20世纪90年代,一些沿海地区就利用这一资源配制混凝土并取得了一定的效果。为确保采用海砂作细骨料配制海砂混凝土的工程质量,在 In the coastal areas of our country, there is a large amount of sea sand. In the 1990s, some coastal areas made use of this resource to make concrete and achieved some results. In order to ensure the use of sea sand as a fine aggregate preparation of sea sand concrete engineering quality