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Home > Urban and Rural Studies > 2022 No.08 > 轨道曲梁防崩裂关键技术研究

  • 轨道曲梁防崩裂关键技术研究

    Author(s)：

    孔凡浩

    Publication Title：

    Urban and Rural Studies 2022 No.08

    Affiliations：

    中交公路规划设计院有限公司

    Abstract：

    跨座式单轨交通具有跨越能力强、线路灵活、运营成本低等特殊优势，其配套的轨道梁具有线形复杂、预压应力大、梁截面高宽比大、腹板薄且开孔率高等构造特点。当轨道梁为适应线路采用较小的平曲线半径时，在预应力张拉过程中腹板受到较大的预应力径向力作用容易发生崩裂破坏等安全问题。本文针对小半径轨道曲梁腹板在预应力径向力作用下的开裂破坏问题进行了详细的研究，采用数值仿真与理论分析相结合的研究方法，提出了适用于小半径轨道曲梁的腹板开裂计算模型及其结构参数计算方法。

    Keywords：

    小半径轨道梁；预应力径向力；腹板结构参数；防崩裂措施

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    [1] 孔凡浩.轨道曲梁防崩裂关键技术研究[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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