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混凝土拌合物主要检测哪几项性能

更新时间: 2020-08-17 00:00:00     

和易性,坍落度,含气量。和易性由粘聚性,保水性,流动性综合表示。粘聚性用眼观察,做坍落度时试体向周围坍落为粘聚性好,试体向一边垮塌或部分石子外漏,表面不粘砂浆为粘聚性差。保水性混凝土拌合物装入坍落度筒捣实后,筒底稍有稀浆或没有为保水性好若混凝土拌合物倒在铁盘上,表面有水或水泥稀浆析出说明保水性差。

关键词: 混凝土 主要 检测 性能

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