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***如古代长城用的是C140混凝土,那千百年下来会完整的留存至今还是损坏的更加严重?_江西省赣州市信丰县模羊带有色金属合金股份有限公司
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***如古代长城用的是C140混凝土,那千百年下来会完整的留存至今还是损坏的更加严重?

编辑:时间:2025-06-18 09:00:14点击数

在下孤陋寡闻,就连听说,都只听说到C80混凝土。

至于亲眼见到,最高的也就是C60。

就是高铁桥墩与高铁梁之间的垫石,***用的就是C60,实验室那帮人非说这种混凝土是C65,我觉得他们纯是吹牛,规范上都没看到有C65这个标号。

我们从低到高说,用来打垫层的C10砂浆,这个便宜,可能200块钱一方,没有强度可言,单纯用来平整地面。

C15-C30,民用建筑基本就是这个强度,施工前模版加固好,别施工时爆模,施工时振捣到位,大体积混凝…。

***如古代长城用的是C140混凝土,那千百年下来会完整的留存至今还是损坏的更加严重?
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