| 特大跨预应力混凝土连续刚构桥开裂和下挠防治措施研究 |
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| 引用本文： | 刘长勇,赵青山.特大跨预应力混凝土连续刚构桥开裂和下挠防治措施研究[J].铁道建筑技术,2010(2):44-48. |
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| 作者姓名： | 刘长勇 赵青山 |
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| 作者单位： | 中铁第五勘察设计院集团有限公司,北京,102600 |
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| 摘 要： | 针对特大跨预应力混凝土连续刚构桥开裂和下挠通病,进行了开裂和下挠防治措施的施工研究,并在重庆渔洞长江大桥工程得到成功应用,可供类似工程施工参考借鉴。
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| 关 键 词： | 特大跨连续刚构桥 开裂 下挠 防治措施 |
Study On Protection and Treatment against Cracking and Sagging of Super-large Span PC Continuous Rigid Frame Bridge |
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| Liu Changyong,Zhao Qingshan.Study On Protection and Treatment against Cracking and Sagging of Super-large Span PC Continuous Rigid Frame Bridge[J].Railway Construction Technology,2010(2):44-48. |
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| Authors: | Liu Changyong Zhao Qingshan |
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| Institution: | Liu Changyong,Zhao Qingshan(China Railway Fifth Survey , Design Institute Group Co.Ltd.,Beijing 102600,China) |
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| Abstract: | Cracking and sagging are common defects in super large span PC continuous rigid frame bridge.The paper presents a study on protecting and treating measures against these defects,which were used successfully in Yudong Yangtze River Bridge in Chongqing City and can be reference to similar projects. |
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| Keywords: | super-large span continuous rigid frame bridge cracking sagging protecting and treating measures |
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