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机制砂混凝土预制T梁的外观影响因素研究

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摘要 机制砂固有的粒型差、级配不合理等多变性直接影响着混凝土的性能及外观质量,对外观质量要求较高的T梁,需要严格的试验论证保障砼性能及外观质量;本文依托湖北建恩高速公路工程,从影响外观的常见因素入手,试验分析了混凝土含气量、石粉含量及脱模剂品种对砼外观的影响,并提出了较合理的砼含气量、机制砂石粉含量范围及脱模剂使用建议。
作者 秦晓容 白云
出处 《交通工程建设》 2018年第1期38-40,共3页 Construction of Communication Engineering
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