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预防"冰花"的形成的步骤和方法

来源:http://www.sdyingxu.com/news/61.html 发布时间:2017-05-10

在外墙外保温系统中使用的胶凝材料一般是普通硅酸盐水泥,而水泥在低温下的水化进展 十分缓慢,早期强度发展缓慢,如果再遇上“冰点”温度,无疑是雪上加霜。
The exterior insulation cementitious materials used in the system are generally ordinary portland cement and hydration progress in low temperature cement early strength development is very slow, slow, if it meets the freezing temperature, it is one disaster after another.
在外墙外保温系统中,要使用具有一定耐碱能力的玻璃纤维网格布,如果使用一定含锆量的玻璃纤维网格布,也可以大大地提高玻璃纤维网格布的耐碱能力及整 个外墙外保温系统的长期稳定性,这类产品对提高整个系统的强度具有很大的作用。
In external thermal insulation system, use a glass fiber mesh cloth certain alkali ability, if you use a certain amount of zirconium containing glass fiber mesh cloth, can greatly improve the long-term stability of the resistance glass fiber mesh cloth and the external insulation system, this kind of product has a great effect on the improvement of the whole system the strength.
另外一个值得关注的问题是“冰花”的存在。“冰花”的形成主要是由于砂浆中 的游离水分在温度低于冰点时突然结冰形成冰凌后在砂浆表面留下的痕迹。
Another concern is the existence of "ice". "Ice" formation is mainly due to free water in the mortar at temperatures below freezing ice ice suddenly after mortar surface traces.
在水泥砂浆中尚未水化的自由水一旦结冰形成膨胀,将对尚未形成足够强度的砂浆结构 造成毁灭性的破坏,最终结果就是施工的砂浆没有任何强度。
In the cement mortar, the free water, which has not been hydrated, once formed, will destroy the mortar structure which has not formed enough strength.

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