| 高速公路上跨桥整体顶升技术 |
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| 引用本文： | 封建武.高速公路上跨桥整体顶升技术[J].城市道桥与防洪,2008(2):52-55. |
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| 作者姓名： | 封建武 |
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| 作者单位： | 石黄高速公路管理处,河北石家庄,050031 |
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| 摘 要： | 该文通过工程实例介绍了整体顶升技术在某高速公路上跨桥桥梁净空改造中的应用。采用整体顶升技术对既有桥梁的净空不足问题进行改造，与拆除重建桥梁相比，可以节约工程造价、社会效应影响较小、工期较短、环境污染小。
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| 关 键 词： | 整体顶升 PLC控制液压同步顶升 抱柱 顶升托架 顶升限位 |
| 文章编号： | 1009-7716（2008）02-0052-04 |
| 收稿时间： | 2007-12-27 |
| 修稿时间： | 2007年12月27 |
Integral Jacking-up Technology of Overpass Bridge on Expressway |
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| Feng Jianwu.Integral Jacking-up Technology of Overpass Bridge on Expressway[J].Urban Roads Bridges & Flood Control,2008(2):52-55. |
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| Authors: | Feng Jianwu |
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| Abstract: | Through the engineering practical example,the article introduces the application of the integral jacking-up technology in the rebuilding of bridge clearance of the overpass bridge on an expressway.The integral jacking-up technology is used to solve the insufficient clearance problem of the existing bridge.Compared with the demolition to rebuild the bridge,it can save the engineering construction cost,the effluence of social effect is smaller,the working period is shorter and the environmental pollution is s... |
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| Keywords: | integral jacking-up PLC control hydraulic synchronous jacking up thick pillar jacking-up bracket jacking-up spacing |
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