| 铁路混凝土箱梁是否设置横向预应力筋的探讨 |
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| 引用本文： | 鲁雪冬,宋晓东.铁路混凝土箱梁是否设置横向预应力筋的探讨[J].铁道建筑,2022(1):78-82. |
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| 作者姓名： | 鲁雪冬 宋晓东 |
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| 作者单位： | 中铁二院工程集团有限责任公司 |
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| 摘 要： | 针对铁路混凝土箱梁顶板是否设置横向预应力筋作法不统一的问题,从结构受力、经济性、施工工艺及结构耐久性方面分析了箱梁顶板设置横向预应力筋的效用及影响.研究结果表明:铁路预应力混凝土箱梁顶板不设置横向预应力筋,只采用普通钢筋配置方式,结构受力和裂缝宽度依然能满足规范要求;顶板如不设置横向预应力筋,施工时则不用预埋相应管道,...
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| 关 键 词： | 铁路桥梁 混凝土箱梁 简支梁 连续梁 横向预应力筋 箱梁顶板 |
Discussion on Whether to Set Transverse Prestressed Reinforcement in Railway Concrete Box Girder |
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| LU Xuedong,SONG Xiaodong.Discussion on Whether to Set Transverse Prestressed Reinforcement in Railway Concrete Box Girder[J].Railway Engineering,2022(1):78-82. |
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| Authors: | LU Xuedong SONG Xiaodong |
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| Institution: | (China Railway Eryuan Engineering Group Co.Ltd.,Chengdu 610031,China) |
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| Abstract: | |
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| Keywords: | railway bridge concrete box girder simply supported girder continuous girder transverse prestressed reinforcement top flange of box girder |
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