| 沈大高速公路桥涵加宽改造施工技术 |
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| 引用本文： | 刘兆原.沈大高速公路桥涵加宽改造施工技术[J].北方交通,2011(4). |
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| 作者姓名： | 刘兆原 |
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| 作者单位： | 辽宁省高等级公路建设局,沈阳,110005 |
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| 摘 要： | 通过沈大高速公路桥涵加宽改造施工实践,介绍了新旧桥梁结合部裂缝产生的机理,提出了防治裂缝的施工处理方案。
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| 关 键 词： | 高速公路 桥涵加宽 裂缝 变形 |
Construction Technology to Widen and Reconstruct Bridges and Culverts on Shen-Da Expressway |
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| Authors: | LIU Zhao-yuan |
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| Institution: | LIU Zhao-yuan |
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| Abstract: | Through the construction practice in widening and reconstructing Shen-Da Expressway,the mechanism of developing fractures in connected parts between the new and old bridges is introduced.And construction treatment scheme to prevent and cure the fractures are proposed in the paper. |
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| Keywords: | Expressway Widen bridges and culverts Fractures Deformation |
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