| 钢桁梁顶推施工技术 |
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| 引用本文： | 李会良.钢桁梁顶推施工技术[J].中国港湾建设,2009(2):57-59. |
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| 作者姓名： | 李会良 |
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| 作者单位： | 中交一航局第四工程有限公司,天津,300456 |
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| 摘 要： | 通过京津高速公路东段第五合同段北环铁路跨线桥工程，以78m钢桁梁顶推施工工艺为主线，重点介绍了钢桁梁顶推施工的技术准备：钢桁梁拼装平台搭设，临时墩的施工，滑道、导梁制作、安装以及顶推装置和位置的确定，顶推过程控制。施工结果表明，在不干扰既有铁路干线正常运营情况下，顶推施工技术速度快，安全可靠，并且一次成功。
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| 关 键 词： | 铁路跨线 78 m钢桁架桥 顶推 施工技术 过程控制 |
Technique for Pushing and Installing Steel Truss Girders |
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| LI Hui-liang.Technique for Pushing and Installing Steel Truss Girders[J].China Harbour Engineering,2009(2):57-59. |
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| Authors: | LI Hui-liang |
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| Institution: | No.4 Engineering Company Ltd.of CCCC First Harbor Engineering Company Ltd.;Tianjin 300456;China |
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| Abstract: | Based on the pushing and installing of 78 m steel truss girders during the construction of the flyover over railway lines on the Northern Ring of East Section of Beijing-Tianjin Expressway under Contract No.5,the paper focuses on the tech-nical preparations for the installation of steel truss girders,such as erection of a platform for assembling of steel truss girders,construction of temporary piers,fabrication and erection of the slipway and nose-girder,determination of the pushing gear and its location,an... |
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| Keywords: | crossing over railway line 78 m steel truss bridge pushing for installation construction technique process control |
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