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海沙能用于建筑吗
更新时间: 2020-11-27 13:13:10  

不能。因为海砂含有天然盐,具有很强的腐蚀性,用腐蚀性强的材料会加大安全隐患。国家禁止在公路、桥梁、军事、民用商业建筑和公共设施建设中使用海砂。混有海沙的水泥不到五年就会腐蚀钢筋,当海砂用于拌制混凝土和灌溉建筑物时,混凝土中的钢筋会被海砂渗透的盐慢慢腐蚀和氧化,导致预应力、强度、硬度和耐久性下降,严重影响建筑物的使用寿命。

关键词: 用于 建筑

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