CN105019349B - 几字形预制梁及其制备方法和安装施工方法 - Google Patents
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CN107905083A (zh) * | 2017-12-22 | 2018-04-13 | 长安大学 | 一种缀条连接的倒置式冷弯u形钢组合梁桥及施工方法 |
CN108411763B (zh) * | 2018-02-09 | 2023-12-12 | 华东交通大学 | 预拼桥梁及其施工方法 |
CN109930497B (zh) * | 2019-04-11 | 2024-03-22 | 中交二公局第五工程有限公司 | 模架悬浇组合体系跨线施工用工件及施工工艺 |
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