| 斜腿刚构桥转体施工控制技术研究 |
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| 引用本文： | 任慧,白宝鸿,焦鹏程.斜腿刚构桥转体施工控制技术研究[J].石家庄铁道学院学报,2008,21(4):52-56. |
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| 作者姓名： | 任慧 白宝鸿 焦鹏程 |
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| 作者单位： | [1]石家庄铁道学院土木工程分院,河北石家庄050043 [2]中国水电顾问集团北京勘测设计研究院,北京100024 |
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| 摘 要： | 石太客运专线孤山大桥为两座单线桥，采用主跨90m的预应力混凝土斜腿刚构。由于桥位岸陡谷深，考虑施工辅助工程措施的可靠性，设计、施工大胆采用无支架施工新工艺，斜腿先进行竖向施工，而后转体，通过背索平衡采用悬臂法浇注梁体，目前此种施工方法国内尚无先例，因此在斜腿转体过程中的监控显得尤为重要，通过分析转体过程中斜腿及各转体设备的受力状态及转体到位后的斜腿线形控制，介绍了孤山大桥斜腿转体过程中的施工控制技术，并在大桥施工中得到了成功的运用，开创了斜腿刚构桥的一种新型施工方法，为同类型大跨斜腿刚构桥的施工控制提供了宝贵的经验。
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| 关 键 词： | 斜腿刚构 施工监控 无支架施工 竖向转体 |
Construction Control for Gushan Bridge of Shitai Passenger Line |
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| Ren Hui,Bai Baohong,Jiao Pengcheng.Construction Control for Gushan Bridge of Shitai Passenger Line[J].Journal of Shijiazhuang Railway Institute,2008,21(4):52-56. |
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| Authors: | Ren Hui Bai Baohong Jiao Pengcheng |
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| Institution: | Ren Hui1,Bai Baohong1,Jiao Pengcheng2(1.School of Civil Engineering,Shijiazhuang Railway Institute.Shijiazhuang 050043,China,2.Beijing Hydropower Investigation,Design , Research Institute CHECC,Beijing 100024,China) |
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| Abstract: | Gushan Bridge of Shitai Passenger Line is composed of two one-lane bridges.The main bridge is a span of 90m prestressed concrete ramps legs rigid frame.As the bridge spans across the ravine,to consider the reliability measures of the construction,the design and construction adopts the construction of the no-stand technology.First,the leg is prefabricated,and then rotated,casting beam through the use of cable balanced cantilever method.This is the first time for this method used in the domestic construction.... |
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| Keywords: | inclined legs rigid frame bridge construction control no-stand construction vertical swivel |
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