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居庙堂之高，岂知江湖之远？

tumutanzi (71) in china • 6 years ago

混凝土的四组分：水泥，沙子，石子，空气（很少一部分）。

6 years ago by tumutanzi (71)

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xiaoliang (47) · 6 years ago

如果混凝土包含水泥，那水泥又是用什么生产出来的？一直以为混凝土=水泥。

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tumutanzi (71) · 6 years ago

简单地说，水泥是石灰石（碳酸钙），加热到1450度左右，分解成氧化钙，同时添加一点其它的相应成分补齐，就形成了水泥。