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自密实微膨胀钢管混凝土的研制与应用

Keywords: 自密实,膨胀,钢管混凝土

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Abstract:

为了满足龙潭河钢管混凝土拱桥的建造要求,配制出了自密实C50微膨胀混凝土,该种混凝土具有工作性好、高强、早强、微膨胀等性能.同时研究了该种钢管混凝土的自应变特性和极限承载力等性能,结果表明,核心微膨胀混凝土处于三向受压状态,其极限承载力比普通钢管混凝土可提高7%左右.工程应用效果良好

References

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