| 大断面箱涵单端超长顶进监控量测技术的研究 |
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| 引用本文： | 向昌平.大断面箱涵单端超长顶进监控量测技术的研究[J].石家庄铁道学院学报,2008,21(1):102-104. |
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| 作者姓名： | 向昌平 |
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| 作者单位： | 向昌平（中铁十八局集团公司第四工程有限公司,天津,300222） |
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| 摘 要： | 首都国际机场区域内，毗邻机场主跑道、快滑道，进行箱涵断面尺寸为23．2m×8．55m，单端顶进长达232m的箱涵顶进施工，设计要求隧道箱涵顶进过程中引起的地表沉降值控制在25mm以内，跑道终期沉降小于40mm，鉴于本工程的特点，监控量测作为施工的先导成为本工程成功与否的关键。
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| 关 键 词： | 大断面箱涵 单端超长顶进 监控量测 |
| 文章编号： | 1674-0300(2008)01-0102-03 |
| 修稿时间： | 2007年11月9日 |
The Monitoring Technique of Large Cross-section Box Culvert During Extre Long Distance Jacking |
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| Xiang Changping.The Monitoring Technique of Large Cross-section Box Culvert During Extre Long Distance Jacking[J].Journal of Shijiazhuang Railway Institute,2008,21(1):102-104. |
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| Authors: | Xiang Changping |
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| Institution: | Xiang Changping ( The 4th Engineering Co. Ltd, the 18th China Railway engineering Group Co,Tianjin 300222 ,China) |
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| Abstract: | A box culvert enginer , which section is 23.2 m × 8.55 m, is near the main track and runway in service of Beijing Capital International Airport, in which 232 m-long box culvert was jacked. The settlement of track is whthin the limit of 25 mm in the constrction and the final settlement is 40mm. For the case of safety, the monitor has been carried out. |
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| Keywords: | large section Culvert box extre long distance jacking monitoring |
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