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Home > Urban and Rural Studies > 2025 No.24 > 大跨度连续刚构混凝土现浇箱梁顶推合龙施工技术研究

  • 大跨度连续刚构混凝土现浇箱梁顶推合龙施工技术研究

    Author(s)：

    索晓华

    Publication Title：

    Urban and Rural Studies 2025 No.24

    Affiliations：

    中电建成都建设投资有限公司

    DOI：

    10.12254/j.issn.2096-6539.2025.24.037

    Abstract：

    以某市域铁路岷江特大桥连续刚构混凝土现浇箱梁为工程背景，开展大跨度连续刚构顶推合龙施工关键技术研究。建立桥梁计算模型，分析成桥阶段温度变化对墩顶水平位移的影响规律，提出考虑环境温度差异的顶推力修正方程，通过线性拟合得出墩体抗推刚度及主梁竖向刚度，明确分级顶推控制值。形成“劲性骨架动态锁定-分级顶推--温控浇筑”的施工技术，为大跨度连续刚构桥梁合龙提供技术参考。

    Keywords：

    连续刚构；顶推合龙；分级顶推；温控浇筑

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    [1] 索晓华.大跨度连续刚构混凝土现浇箱梁顶推合龙施工技术研究[J].Urban and Rural Studies,2025(24),. https://doi.org/10.12254/j.issn.2096-6539.2025.24.037

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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