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混凝土中为什么要加钢筋
更新时间: 2020-08-17 00:00:00  

钢筋有良好的抗弯性能,弥补混凝土抗拉抗弯性差的缺点。所以在建筑中,梁中间配有钢筋,避免因为混凝土自重,把梁“坠”断。混凝土包裹在钢筋表面,能防止钢筋锈蚀,起保护作用。混凝土本身对钢筋无腐蚀作用,从而保证了钢筋混凝土构件的耐久性。

关键词: 混凝土 为什么 钢筋

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