| 沱江多线特大桥跨既有线施工防护技术 |
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| 引用本文： | 张存兴.沱江多线特大桥跨既有线施工防护技术[J].铁道建筑技术,2013(12):5-8. |
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| 作者姓名： | 张存兴 |
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| 作者单位： | 中铁十六局集团第四工程有限公司,北京101400 |
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| 摘 要： | 成渝客专资阳沱江多线特大桥0号台位于既有成渝铁路路堑上方,0号台～1号墩连续梁的8#～12#块上跨铁路运营线,该段连续梁施工时的混凝土灌筑及挂篮走行都将影响既有线施工安全.结合资阳沱江多线特大桥跨既有线施工,分析总结跨越繁忙铁路既有线施工的防护技术.
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| 关 键 词： | 跨既有铁路 挖方 特大桥 悬灌梁 安全防护 |
Protection Technology for Construction of Tuojiang River Multi-line Super Bridge over Existing Lines |
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| Zhang Cunxing.Protection Technology for Construction of Tuojiang River Multi-line Super Bridge over Existing Lines[J].Railway Construction Technology,2013(12):5-8. |
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| Authors: | Zhang Cunxing |
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| Institution: | Zhang Cunxing (China Railway 16th Bureau Group Co. Ltd. , Beijing 101400, China) |
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| Abstract: | No. 0 abutment of the multi-line Tuojiang River Super Bridge on Chengdu-Chongqing Passenger Dedicated Line locates above the Chengdu-Chongqing Railway roadbed. 18^#- 12^# blocks of No. 0 abutment to No. 1 pier continuous beam cross above the operational railway line. During the continuous beam construction, the concrete pouring and hanging basket movement will affect the construction safety of existing lines. Combined with the Tuojiang River Multi-line Large Bridge construction across existing lines, the paper analyzes and summarizes the protection technology for construction across a busy existing railway lines. |
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| Keywords: | crossing above the existing railway excavation super large bridge cantilever grouting beam safety protection |
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