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新旧混凝土怎么接
更新时间: 2020-11-03 00:00:00  

连接新旧混凝土首先在已硬化的混凝土表面上,清除水泥薄膜和松动的石子,然后在施工缝处铺一层与混凝土成分相同的水泥砂浆,最后浇筑混凝土时,使新旧混凝土结合紧密即可。混凝土指以水泥为主要胶凝材料,与水、砂、石子,必要时掺入化学外加剂和矿物掺合料,按适当比例配合,经过均匀搅拌、密实成型及养护硬化而成的人造石材。

关键词: 混凝土 怎么

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