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Home > Urban and Rural Studies > 2022 No.08 > 自密实微膨胀混凝土对空心板铰缝应力传递改善效果分析

  • 自密实微膨胀混凝土对空心板铰缝应力传递改善效果分析

    Author(s)：

    周福

    Publication Title：

    Urban and Rural Studies 2022 No.08

    Affiliations：

    中铁二十四局集团江苏工程有限公司

    Abstract：

    针对空心板铰缝在正常使用状态下较易发生破坏的工程问题，提出使用自密实微膨胀混凝土改善铰缝的工作性能。利用通用有限元软件ANSYS，建立有无自密实微膨胀混凝土的对照试验组模型，采用面荷载的加载方式模拟车轮作用在跨中相对不利的位置处，研究自密实微膨胀混凝土对于铰缝的预应力效应作用。研究结果表明：微膨胀效应对于支座附近的裂缝开展具有延缓作用，达到极限荷载后，可以改善内部混凝土裂缝的开展。

    Keywords：

    桥梁工程；铰缝；自密实微膨胀混凝土；有限元法

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    [1] 周福.自密实微膨胀混凝土对空心板铰缝应力传递改善效果分析 [J].Urban and Rural Studies,2022(08),.

城镇建设
Urban and Rural Studies

Language: 中文

CN：10-1589/TU

ISSN：2096-6539

Publication Frequency: 半月刊

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